Harker Heights climate — normals and trends

Q: What is the climate of Harker Heights?

Harker Heights has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 819 mm of precipitation per year.

Q: What is the hottest day ever recorded in Harker Heights?

The hottest day measured in Harker Heights between 1940 and 2025 was 23 July 2018, reaching 42.6 °C.

Q: What is the coldest day in Harker Heights?

The coldest day measured in Harker Heights between 1940 and 2025 was 31 January 1949, at -16.6 °C.

Q: Does it snow in Harker Heights?

Yes. Harker Heights gets on average 2.3 cm of snow per year and has around 17 frost days.

Q: Has the climate of Harker Heights warmed?

Yes: Harker Heights warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Harker Heights?

The wettest day measured in Harker Heights between 1940 and 2025 was 5 July 2025, with 232 mm of rain in 24 hours.

Q: What was the windiest day in Harker Heights?

The windiest day measured in Harker Heights between 1940 and 2025 was 12 September 1961, with winds reaching 62.2 km/h.

Q: What is the warmest month in Harker Heights?

The warmest month in Harker Heights is August (29.0 °C on average); the coldest is January (8.8 °C).

Q: How much does it rain in Harker Heights?

Harker Heights receives on average 819 mm of precipitation per year, spread over about 89 rainy days.

Q: Is it sunny in Harker Heights?

Harker Heights gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

Harker Heights (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.4 °C and it receives 819 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is August (29.0 °C on average) and the coldest is January (8.8 °C). Rainfall peaks in May.

Harker Heights averages 17 frost days, 123 hot days (≥ 30 °C) and 89 rainy days per year.

Harker Heights has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 42.6 °C (on 23 July 2018) and the coldest -16.6 °C (on 31 January 1949).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

Harker HeightsTexas

coords: 31.08°, -97.66°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthMayDriest monthJuly

Mean daily temperature

19.4°C

Average daily high

25.0°C

Average daily low

14.4°C

Annual rainfall

819mm

Sunshine / day

9.5h

Mean relative humidity

66%

Average peak wind

19.7km/h

Seasonal range

20.2°C

Frost days (< 0 °C)

17 d/yr

Hot days (≥ 30 °C)

123 d/yr

Rainy days (≥ 1 mm)

89 d/yr

Annual snowfall

2.3 cm

Average feels-like high

24.9 °C

Average feels-like low

13.5 °C

Average peak gust

37.9 km/h

Tropical nights (≥ 20 °C)

127 d/yr

Solar radiation

17.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.42 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

42.6 °C

23 July 2018

Coldest day

-16.6 °C

31 January 1949

Wettest day

232 mm

5 July 2025

Windiest day

62.2 km/h

12 September 1961

Strongest gust

115.9 km/h

12 September 1961

Hottest feels-like

45.0 °C

15 July 1978

Coldest feels-like

-22.8 °C

23 December 1989

Snowiest day

9.5 cm

10 January 2021

Sunniest day

13.3 h

25 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.2 °C4 September 2025	-8.3 °C20 February 2025	20.8 °C	1,080 mm	158	20
2024	41.3 °C22 August 2024	-9.9 °C15 January 2024	21.2 °C	928 mm	157	7
2023	41.8 °C8 September 2023	-3.0 °C31 January 2023	21.4 °C	683 mm	137	9
2022	41.5 °C10 July 2022	-10.9 °C23 December 2022	20.6 °C	633 mm	158	29
2021	38.4 °C20 September 2021	-14.2 °C16 February 2021	20.3 °C	925 mm	132	13
2020	40.6 °C13 July 2020	-2.9 °C27 February 2020	20.7 °C	869 mm	143	6
2019	39.4 °C9 August 2019	-4.7 °C5 March 2019	20.1 °C	785 mm	144	12
2018	42.6 °C23 July 2018	-9.8 °C17 January 2018	20.1 °C	1,070 mm	136	21
2017	40.2 °C29 July 2017	-8.8 °C7 January 2017	21.0 °C	941 mm	131	5
2016	38.7 °C11 August 2016	-6.5 °C19 December 2016	20.5 °C	1,044 mm	124	8
2015	41.2 °C10 August 2015	-6.4 °C8 January 2015	20.3 °C	1,147 mm	134	18
2014	38.2 °C7 August 2014	-7.5 °C6 January 2014	19.3 °C	604 mm	133	25
2013	39.7 °C29 June 2013	-5.1 °C10 December 2013	19.5 °C	820 mm	131	20
2012	41.4 °C26 June 2012	-4.0 °C26 December 2012	20.9 °C	837 mm	141	11
2011	41.3 °C28 August 2011	-9.1 °C2 February 2011	21.1 °C	490 mm	162	21
2010	39.5 °C23 August 2010	-10.5 °C9 January 2010	19.5 °C	724 mm	130	25
2009	40.2 °C9 July 2009	-4.2 °C28 January 2009	20.1 °C	862 mm	131	17
2008	40.6 °C28 June 2008	-4.3 °C20 January 2008	20.3 °C	522 mm	142	16
2007	36.6 °C13 August 2007	-6.3 °C16 February 2007	19.4 °C	1,174 mm	109	18
2006	39.6 °C18 July 2006	-4.0 °C4 December 2006	21.1 °C	568 mm	148	10
2005	40.3 °C26 September 2005	-5.9 °C8 December 2005	20.2 °C	516 mm	137	10
2004	38.8 °C17 July 2004	-5.3 °C23 December 2004	19.7 °C	1,114 mm	124	16
2003	40.3 °C8 August 2003	-5.1 °C25 February 2003	19.6 °C	586 mm	112	12
2002	38.4 °C26 August 2002	-6.5 °C3 January 2002	19.2 °C	859 mm	126	17
2001	37.8 °C14 July 2001	-4.0 °C20 January 2001	19.2 °C	981 mm	106	14
2000	42.3 °C4 September 2000	-4.5 °C12 December 2000	20.0 °C	1,015 mm	127	15
1999	38.5 °C10 August 1999	-4.4 °C4 January 1999	20.5 °C	547 mm	128	9
1998	40.0 °C13 July 1998	-4.1 °C22 December 1998	20.2 °C	1,077 mm	137	9
1997	36.9 °C6 August 1997	-6.0 °C13 January 1997	18.4 °C	1,024 mm	111	21
1996	37.8 °C3 August 1996	-10.0 °C4 February 1996	19.4 °C	691 mm	130	29
1995	39.1 °C28 July 1995	-6.1 °C10 December 1995	19.2 °C	912 mm	103	12
1994	40.5 °C28 June 1994	-5.3 °C8 January 1994	20.0 °C	892 mm	128	14
1993	37.6 °C30 July 1993	-4.9 °C27 November 1993	18.8 °C	857 mm	118	16
1992	36.1 °C15 July 1992	-5.9 °C16 January 1992	19.2 °C	1,004 mm	118	7
1991	37.5 °C15 July 1991	-3.3 °C4 November 1991	19.5 °C	1,100 mm	132	10
1990	39.1 °C31 August 1990	-8.1 °C24 December 1990	20.1 °C	1,061 mm	132	9
1989	40.6 °C17 July 1989	-16.6 °C23 December 1989	19.1 °C	831 mm	137	31
1988	39.7 °C8 August 1988	-6.4 °C10 January 1988	19.5 °C	718 mm	132	22
1987	38.2 °C6 August 1987	-2.8 °C16 December 1987	19.2 °C	885 mm	121	15
1986	39.1 °C30 July 1986	-4.5 °C11 February 1986	19.8 °C	993 mm	112	6
1985	38.9 °C1 September 1985	-11.2 °C2 February 1985	19.2 °C	914 mm	110	29
1984	38.5 °C19 August 1984	-9.5 °C19 January 1984	19.7 °C	697 mm	138	15
1983	38.8 °C31 August 1983	-12.8 °C25 December 1983	18.4 °C	891 mm	99	19
1982	38.7 °C6 August 1982	-12.4 °C11 January 1982	19.5 °C	747 mm	132	23
1981	38.2 °C23 July 1981	-9.5 °C11 February 1981	19.4 °C	991 mm	116	11
1980	41.4 °C27 June 1980	-8.4 °C2 March 1980	19.8 °C	702 mm	134	17
1979	37.2 °C3 October 1979	-10.4 °C2 January 1979	18.1 °C	1,028 mm	103	36
1978	40.3 °C15 July 1978	-7.3 °C20 January 1978	18.8 °C	631 mm	134	39
1977	38.9 °C31 July 1977	-6.8 °C10 January 1977	19.8 °C	595 mm	133	22
1976	37.3 °C7 August 1976	-9.3 °C8 January 1976	18.2 °C	917 mm	92	19
1975	35.9 °C29 July 1975	-7.8 °C13 January 1975	18.7 °C	703 mm	105	17
1974	38.5 °C23 July 1974	-5.9 °C1 January 1974	19.1 °C	867 mm	103	20
1973	37.1 °C23 August 1973	-9.7 °C12 January 1973	18.6 °C	1,068 mm	109	18
1972	38.5 °C26 June 1972	-7.8 °C5 January 1972	19.0 °C	707 mm	127	24
1971	37.9 °C6 July 1971	-7.6 °C8 February 1971	19.9 °C	582 mm	130	15
1970	38.1 °C4 July 1970	-9.0 °C7 January 1970	18.8 °C	651 mm	107	22
1969	40.0 °C12 August 1969	-4.9 °C5 January 1969	19.1 °C	750 mm	119	12
1968	36.4 °C10 August 1968	-6.2 °C7 January 1968	18.1 °C	960 mm	89	23
1967	38.3 °C31 July 1967	-5.3 °C19 January 1967	19.4 °C	748 mm	111	19
1966	37.7 °C1 August 1966	-9.8 °C30 January 1966	18.5 °C	645 mm	110	28
1965	37.5 °C20 August 1965	-6.1 °C24 February 1965	19.3 °C	998 mm	116	15
1964	39.4 °C5 August 1964	-9.2 °C14 January 1964	19.3 °C	597 mm	118	23
1963	38.2 °C27 August 1963	-10.9 °C24 January 1963	19.8 °C	462 mm	154	33
1962	40.1 °C12 August 1962	-10.2 °C10 January 1962	19.7 °C	515 mm	145	20
1961	37.6 °C4 August 1961	-6.3 °C29 January 1961	18.6 °C	818 mm	120	20
1960	38.6 °C15 June 1960	-6.9 °C25 February 1960	18.8 °C	723 mm	136	22
1959	37.3 °C19 June 1959	-10.7 °C4 January 1959	18.7 °C	771 mm	122	27
1958	37.8 °C2 August 1958	-6.3 °C14 December 1958	18.3 °C	827 mm	110	14
1957	39.8 °C30 July 1957	-6.5 °C17 January 1957	19.1 °C	1,258 mm	101	11
1956	39.1 °C17 July 1956	-4.8 °C19 January 1956	20.2 °C	484 mm	159	14
1955	38.2 °C9 August 1955	-4.8 °C11 February 1955	19.8 °C	626 mm	151	14
1954	41.1 °C26 July 1954	-6.3 °C22 January 1954	20.6 °C	426 mm	144	9
1953	41.1 °C27 September 1953	-6.5 °C24 December 1953	19.5 °C	774 mm	131	10
1952	39.3 °C6 August 1952	-5.0 °C15 December 1952	19.4 °C	821 mm	122	5
1951	40.1 °C19 July 1951	-14.1 °C2 February 1951	19.9 °C	438 mm	138	26
1950	37.0 °C4 August 1950	-8.7 °C6 December 1950	19.3 °C	667 mm	114	17
1949	38.3 °C14 August 1949	-16.6 °C31 January 1949	19.1 °C	837 mm	123	17
1948	38.9 °C20 August 1948	-7.9 °C12 March 1948	19.0 °C	574 mm	129	35
1947	38.7 °C10 August 1947	-8.9 °C4 January 1947	18.2 °C	729 mm	114	20
1946	37.7 °C19 August 1946	-4.8 °C16 January 1946	18.6 °C	1,184 mm	73	10
1945	39.3 °C18 August 1945	-3.4 °C20 December 1945	19.1 °C	1,020 mm	110	8
1944	39.7 °C27 July 1944	-5.0 °C9 January 1944	19.2 °C	909 mm	97	8
1943	38.9 °C25 July 1943	-6.6 °C19 January 1943	18.9 °C	731 mm	106	16
1942	36.2 °C10 August 1942	-6.4 °C8 January 1942	17.8 °C	1,009 mm	69	15
1941	34.8 °C18 August 1941	-0.4 °C29 December 1941	17.7 °C	977 mm	58	1
1940	36.4 °C28 August 1940	-9.9 °C19 January 1940	17.4 °C	1,061 mm	72	23

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

26.6 °C

+1.6 °C

Hot days (≥ 30 °C)

158 d/yr

+35

Frost days (< 0 °C)

20 d/yr

Annual rainfall

1080 mm

+261 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.4 °C	-2.2 °C	84 mm	+32 mm
Feb	17.6 °C	+0.8 °C	20 mm	-43 mm
Mar	26.4 °C	+5.5 °C	60 mm	-11 mm
Apr	27.9 °C	+2.9 °C	77 mm	-14 mm
May	29.8 °C	+1.4 °C	178 mm	+56 mm
Jun	33.2 °C	+1.0 °C	88 mm	+20 mm
Jul	32.0 °C	-2.4 °C	413 mm	+369 mm
Aug	33.9 °C	-0.7 °C	31 mm	-15 mm
Sep	33.0 °C	+2.0 °C	33 mm	-33 mm
Oct	29.7 °C	+3.4 °C	47 mm	-32 mm
Nov	24.0 °C	+3.9 °C	40 mm	-22 mm
Dec	19.2 °C	+3.1 °C	8 mm	-47 mm

The year's extremes

Hottest day

38.2 °C

4 Sep 2025

Coldest day

-8.3 °C

20 Feb 2025

Wettest day

231.9 mm

5 Jul 2025

Windiest day

50.7 km/h

4 Mar 2025

Strongest gust

92.9 km/h

4 Mar 2025

Hottest feels-like

40.3 °C

31 Jul 2025

Coldest feels-like

-15.7 °C

19 Feb 2025

Snowiest day

0.3 cm

20 Jan 2025

Sunniest day

13.2 h

17 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Harker Heights?

Harker Heights has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 819 mm of precipitation per year.

What is the hottest day ever recorded in Harker Heights?

The hottest day measured in Harker Heights between 1940 and 2025 was 23 July 2018, reaching 42.6 °C.

What is the coldest day in Harker Heights?

The coldest day measured in Harker Heights between 1940 and 2025 was 31 January 1949, at -16.6 °C.

Does it snow in Harker Heights?

Yes. Harker Heights gets on average 2.3 cm of snow per year and has around 17 frost days.

Has the climate of Harker Heights warmed?

Yes: Harker Heights warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Harker Heights?

The wettest day measured in Harker Heights between 1940 and 2025 was 5 July 2025, with 232 mm of rain in 24 hours.

What was the windiest day in Harker Heights?

The windiest day measured in Harker Heights between 1940 and 2025 was 12 September 1961, with winds reaching 62.2 km/h.

What is the warmest month in Harker Heights?

The warmest month in Harker Heights is August (29.0 °C on average); the coldest is January (8.8 °C).

How much does it rain in Harker Heights?

Harker Heights receives on average 819 mm of precipitation per year, spread over about 89 rainy days.

Is it sunny in Harker Heights?

Harker Heights gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

What is the biggest single-day snowfall in Harker Heights?

The heaviest 24-hour snowfall measured in Harker Heights between 1940 and 2025 was 10 January 2021, with 9.5 cm.

Are there tropical nights in Harker Heights?

Yes: Harker Heights has on average 127 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Harker Heights?

In Harker Heights, between 1940 and 2025, the highest apparent temperature reached 45.0 °C on 15 July 1978, and the lowest was -22.8 °C on 23 December 1989.

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