Petapa climate — normals and trends

Q: What is the climate of Petapa?

Petapa has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 18.5 °C and it receives 1,620 mm of precipitation per year.

Q: What is the hottest day ever recorded in Petapa?

The hottest day measured in Petapa between 1940 and 2025 was 6 April 2009, reaching 32.7 °C.

Q: What is the coldest day in Petapa?

The coldest day measured in Petapa between 1940 and 2025 was 9 January 1956, at 4.7 °C.

Q: Does it snow in Petapa?

Almost never: Petapa sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Petapa warmed?

Yes: Petapa warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Petapa?

The wettest day measured in Petapa between 1940 and 2025 was 29 May 2010, with 152 mm of rain in 24 hours.

Q: What was the windiest day in Petapa?

The windiest day measured in Petapa between 1940 and 2025 was 21 March 1986, with winds reaching 30.5 km/h.

Q: What is the warmest month in Petapa?

The warmest month in Petapa is April (19.6 °C on average); the coldest is January (17.1 °C).

Q: How much does it rain in Petapa?

Petapa receives on average 1,620 mm of precipitation per year, spread over about 177 rainy days.

Q: Is it sunny in Petapa?

Petapa gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

Petapa (Guatemala) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 18.5 °C and it receives 1,620 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 April (19.6 °C on average) and the coldest is January (17.1 °C). Rainfall peaks in June.

Petapa averages 0 frost days, 2 hot days (≥ 30 °C) and 177 rainy days per year.

Petapa has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The hottest day of the period reached 32.7 °C (on 6 April 2009) and the coldest 4.7 °C (on 9 January 1956).

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

PetapaGuatemala

coords: 14.50°, -90.56°
period: 1940–2025 · 86 yrs

CwbSubtropical highland, dry winterWarmest monthAprilColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

18.5°C

Average daily high

24.3°C

Average daily low

14.0°C

Annual rainfall

1,620mm

Sunshine / day

10.5h

Mean relative humidity

78%

Average peak wind

10.2km/h

Seasonal range

2.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

2 d/yr

Rainy days (≥ 1 mm)

177 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.7 °C

Average feels-like low

14.2 °C

Average peak gust

35.4 km/h

Tropical nights (≥ 20 °C)

0 d/yr

Solar radiation

19.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.81 · 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

32.7 °C

6 April 2009

Coldest day

4.7 °C

9 January 1956

Wettest day

152 mm

29 May 2010

Windiest day

30.5 km/h

21 March 1986

Strongest gust

97.2 km/h

12 February 1955

Hottest feels-like

35.5 °C

4 May 2024

Coldest feels-like

1.6 °C

9 January 1956

Sunniest day

12.4 h

7 July 2014

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	30.2 °C5 March 2025	10.1 °C18 January 2025	19.9 °C	1,584 mm	2
2024	32.3 °C4 May 2024	9.0 °C8 February 2024	20.2 °C	1,981 mm	13
2023	30.2 °C6 May 2023	8.1 °C19 December 2023	20.0 °C	1,549 mm	3
2022	31.8 °C18 April 2022	10.2 °C19 January 2022	19.6 °C	1,901 mm	6
2021	31.2 °C31 March 2021	9.6 °C7 February 2021	19.7 °C	1,496 mm	4
2020	32.3 °C5 March 2020	10.1 °C26 December 2020	19.9 °C	2,023 mm	16
2019	31.9 °C29 April 2019	10.4 °C22 January 2019	19.9 °C	1,521 mm	11
2018	32.1 °C12 March 2018	8.5 °C8 January 2018	19.5 °C	1,483 mm	8
2017	30.6 °C6 April 2017	8.2 °C24 January 2017	19.5 °C	1,664 mm	2
2016	31.3 °C11 April 2016	8.1 °C11 February 2016	19.7 °C	1,169 mm	4
2015	31.1 °C24 April 2015	9.5 °C28 January 2015	19.8 °C	1,422 mm	2
2014	31.9 °C29 March 2014	7.6 °C17 January 2014	19.4 °C	1,611 mm	7
2013	30.8 °C1 April 2013	7.6 °C4 March 2013	19.3 °C	1,687 mm	2
2012	30.2 °C8 April 2012	9.1 °C24 December 2012	19.1 °C	1,475 mm	1
2011	31.0 °C3 April 2011	8.9 °C23 March 2011	19.1 °C	2,009 mm	2
2010	30.8 °C23 March 2010	7.8 °C12 January 2010	19.2 °C	2,167 mm	5
2009	32.7 °C6 April 2009	8.0 °C25 December 2009	19.1 °C	1,450 mm	2
2008	29.2 °C24 April 2008	8.1 °C4 January 2008	18.4 °C	1,859 mm	0
2007	30.3 °C3 March 2007	9.2 °C19 February 2007	18.8 °C	1,705 mm	1
2006	29.3 °C23 March 2006	7.0 °C23 November 2006	18.8 °C	1,873 mm	0
2005	30.2 °C28 April 2005	6.8 °C22 January 2005	18.9 °C	1,977 mm	1
2004	28.6 °C22 February 2004	8.2 °C27 January 2004	18.7 °C	1,407 mm	0
2003	31.3 °C7 March 2003	7.6 °C21 December 2003	18.9 °C	1,545 mm	5
2002	31.0 °C28 April 2002	6.5 °C10 January 2002	19.1 °C	1,202 mm	7
2001	30.6 °C13 March 2001	8.6 °C24 January 2001	18.5 °C	1,318 mm	1
2000	30.1 °C26 April 2000	9.3 °C28 January 2000	18.6 °C	1,537 mm	1
1999	30.6 °C6 April 1999	6.1 °C29 December 1999	18.2 °C	1,858 mm	1
1998	30.7 °C14 May 1998	7.6 °C3 February 1998	19.2 °C	2,183 mm	2
1997	29.8 °C29 April 1997	7.5 °C16 December 1997	19.1 °C	1,775 mm	0
1996	28.8 °C16 February 1996	5.1 °C14 January 1996	18.4 °C	1,898 mm	0
1995	29.5 °C12 February 1995	8.3 °C10 February 1995	18.6 °C	2,319 mm	0
1994	29.8 °C6 March 1994	9.3 °C6 January 1994	18.7 °C	1,294 mm	0
1993	29.6 °C26 February 1993	7.8 °C19 March 1993	18.5 °C	1,713 mm	0
1992	30.8 °C19 March 1992	10.2 °C7 February 1992	18.7 °C	1,488 mm	2
1991	30.4 °C18 March 1991	7.2 °C5 March 1991	18.6 °C	1,367 mm	2
1990	29.6 °C10 April 1990	9.2 °C10 December 1990	18.4 °C	1,559 mm	0
1989	28.0 °C1 March 1989	5.2 °C27 February 1989	18.0 °C	1,902 mm	0
1988	30.6 °C6 April 1988	7.9 °C27 January 1988	18.6 °C	1,632 mm	3
1987	30.0 °C18 May 1987	6.7 °C7 January 1987	18.8 °C	1,316 mm	1
1986	31.0 °C13 April 1986	6.5 °C29 January 1986	18.2 °C	1,063 mm	2
1985	28.3 °C24 March 1985	7.9 °C28 January 1985	18.1 °C	1,519 mm	0
1984	28.5 °C13 March 1984	7.6 °C1 January 1984	18.0 °C	1,668 mm	0
1983	29.3 °C9 May 1983	7.4 °C14 January 1983	18.6 °C	1,607 mm	0
1982	29.6 °C2 April 1982	9.5 °C19 December 1982	18.7 °C	1,541 mm	0
1981	28.6 °C26 February 1981	6.9 °C1 January 1981	18.4 °C	1,866 mm	0
1980	28.5 °C5 April 1980	8.3 °C19 December 1980	18.5 °C	1,616 mm	0
1979	28.0 °C15 April 1979	9.2 °C22 December 1979	18.5 °C	1,827 mm	0
1978	29.9 °C10 May 1978	8.1 °C23 February 1978	18.4 °C	1,511 mm	0
1977	30.2 °C14 March 1977	8.0 °C23 December 1977	18.5 °C	1,214 mm	2
1976	28.1 °C12 March 1976	7.1 °C19 January 1976	17.9 °C	1,442 mm	0
1975	29.9 °C15 April 1975	8.4 °C15 January 1975	18.1 °C	1,464 mm	0
1974	27.9 °C25 April 1974	8.5 °C14 February 1974	18.0 °C	1,405 mm	0
1973	29.2 °C2 April 1973	6.8 °C11 December 1973	18.4 °C	1,909 mm	0
1972	29.1 °C10 April 1972	8.0 °C28 December 1972	18.5 °C	1,308 mm	0
1971	30.2 °C1 May 1971	8.4 °C15 February 1971	17.9 °C	1,468 mm	1
1970	29.8 °C22 April 1970	7.3 °C4 February 1970	18.2 °C	1,547 mm	0
1969	30.1 °C8 May 1969	8.7 °C21 January 1969	18.4 °C	1,925 mm	1
1968	27.9 °C3 May 1968	7.9 °C9 February 1968	17.8 °C	1,591 mm	0
1967	27.6 °C2 June 1967	7.9 °C18 March 1967	17.9 °C	1,149 mm	0
1966	28.0 °C28 February 1966	7.7 °C31 January 1966	17.9 °C	1,661 mm	0
1965	28.8 °C6 May 1965	6.7 °C19 January 1965	18.0 °C	1,576 mm	0
1964	29.1 °C29 March 1964	8.0 °C1 January 1964	18.0 °C	1,429 mm	0
1963	28.2 °C1 May 1963	6.8 °C26 December 1963	18.1 °C	1,419 mm	0
1962	28.0 °C24 February 1962	8.1 °C3 January 1962	17.7 °C	1,467 mm	0
1961	28.2 °C19 April 1961	9.3 °C27 December 1961	17.8 °C	1,619 mm	0
1960	29.2 °C28 March 1960	7.2 °C3 December 1960	17.6 °C	1,828 mm	0
1959	28.0 °C12 March 1959	7.9 °C30 November 1959	17.7 °C	1,572 mm	0
1958	30.1 °C15 April 1958	7.2 °C9 January 1958	18.2 °C	1,722 mm	2
1957	27.7 °C5 April 1957	7.5 °C12 December 1957	17.8 °C	1,435 mm	0
1956	29.2 °C18 April 1956	4.7 °C9 January 1956	17.2 °C	1,661 mm	0
1955	29.3 °C29 April 1955	8.9 °C1 February 1955	17.5 °C	1,581 mm	0
1954	28.1 °C14 March 1954	7.2 °C21 December 1954	17.5 °C	1,992 mm	0
1953	30.1 °C16 April 1953	6.8 °C12 January 1953	18.2 °C	1,590 mm	1
1952	29.1 °C16 March 1952	8.2 °C28 February 1952	18.1 °C	1,578 mm	0
1951	29.5 °C8 May 1951	7.6 °C12 January 1951	18.2 °C	1,520 mm	0
1950	28.2 °C15 April 1950	6.7 °C29 November 1950	17.3 °C	1,947 mm	0
1949	28.5 °C10 March 1949	7.6 °C19 November 1949	17.5 °C	1,694 mm	0
1948	28.6 °C20 March 1948	6.4 °C16 January 1948	17.8 °C	2,005 mm	0
1947	28.0 °C25 March 1947	8.9 °C2 December 1947	17.9 °C	1,862 mm	0
1946	29.6 °C31 March 1946	9.2 °C9 February 1946	17.8 °C	1,231 mm	0
1945	27.4 °C27 March 1945	7.8 °C9 December 1945	17.5 °C	1,903 mm	0
1944	28.1 °C18 April 1944	6.4 °C21 January 1944	17.5 °C	1,535 mm	0
1943	28.8 °C14 April 1943	7.2 °C20 December 1943	17.2 °C	1,554 mm	0
1942	28.1 °C24 February 1942	8.6 °C3 March 1942	17.8 °C	1,653 mm	0
1941	31.0 °C20 April 1941	7.1 °C20 January 1941	18.0 °C	1,308 mm	3
1940	28.0 °C2 May 1940	7.8 °C26 December 1940	17.8 °C	1,397 mm	0

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

25.9 °C

+1.6 °C

Hot days (≥ 30 °C)

2 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1584 mm

-36 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	25.7 °C	+1.9 °C	4 mm	-4 mm
Feb	26.3 °C	+1.3 °C	22 mm	+11 mm
Mar	27.8 °C	+1.9 °C	25 mm	-2 mm
Apr	26.8 °C	+0.8 °C	49 mm	-22 mm
May	26.3 °C	+1.3 °C	108 mm	-88 mm
Jun	25.0 °C	+1.1 °C	456 mm	+138 mm
Jul	26.6 °C	+2.4 °C	88 mm	-105 mm
Aug	26.1 °C	+1.7 °C	158 mm	-57 mm
Sep	25.5 °C	+1.8 °C	353 mm	+36 mm
Oct	25.3 °C	+1.9 °C	252 mm	+51 mm
Nov	24.6 °C	+1.4 °C	24 mm	-24 mm
Dec	24.6 °C	+1.3 °C	46 mm	+31 mm

The year's extremes

Hottest day

30.2 °C

5 Mar 2025

Coldest day

10.1 °C

18 Jan 2025

Wettest day

39.4 mm

5 Jun 2025

Windiest day

23.8 km/h

22 Jan 2025

Strongest gust

79.9 km/h

22 Jan 2025

Hottest feels-like

33.2 °C

13 May 2025

Coldest feels-like

9.4 °C

18 Jan 2025

Sunniest day

12.4 h

16 Jul 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 Petapa?

Petapa has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 18.5 °C and it receives 1,620 mm of precipitation per year.

What is the hottest day ever recorded in Petapa?

The hottest day measured in Petapa between 1940 and 2025 was 6 April 2009, reaching 32.7 °C.

What is the coldest day in Petapa?

The coldest day measured in Petapa between 1940 and 2025 was 9 January 1956, at 4.7 °C.

Does it snow in Petapa?

Almost never: Petapa sees virtually no snow, with about 0 frost days per year.

Has the climate of Petapa warmed?

Yes: Petapa warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Petapa?

The wettest day measured in Petapa between 1940 and 2025 was 29 May 2010, with 152 mm of rain in 24 hours.

What was the windiest day in Petapa?

The windiest day measured in Petapa between 1940 and 2025 was 21 March 1986, with winds reaching 30.5 km/h.

What is the warmest month in Petapa?

The warmest month in Petapa is April (19.6 °C on average); the coldest is January (17.1 °C).

How much does it rain in Petapa?

Petapa receives on average 1,620 mm of precipitation per year, spread over about 177 rainy days.

Is it sunny in Petapa?

Petapa gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

Are there tropical nights in Petapa?

Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Petapa.

What was the most extreme apparent temperature in Petapa?

In Petapa, between 1940 and 2025, the highest apparent temperature reached 35.5 °C on 4 May 2024, and the lowest was 1.6 °C on 9 January 1956.

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