Neili climate — normals and trends

Q: What is the climate of Neili?

Neili has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.8 °C and it receives 1,351 mm of precipitation per year.

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

The hottest day measured in Neili between 1940 and 2025 was 15 September 2014, reaching 36.2 °C.

Q: What is the coldest day in Neili?

The coldest day measured in Neili between 1940 and 2025 was 16 January 1967, at 2.6 °C.

Q: Does it snow in Neili?

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

Q: Has the climate of Neili warmed?

Yes: Neili warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Neili?

The wettest day measured in Neili between 1940 and 2025 was 15 August 1942, with 366 mm of rain in 24 hours.

Q: What was the windiest day in Neili?

The windiest day measured in Neili between 1940 and 2025 was 8 August 2015, with winds reaching 79.9 km/h.

Q: What is the warmest month in Neili?

The warmest month in Neili is July (27.9 °C on average); the coldest is January (14.7 °C).

Q: How much does it rain in Neili?

Neili receives on average 1,351 mm of precipitation per year, spread over about 148 rainy days.

Q: Is it sunny in Neili?

Neili gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

Neili (Taiwan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.8 °C and it receives 1,351 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 July (27.9 °C on average) and the coldest is January (14.7 °C). Rainfall peaks in August.

Neili averages 0 frost days, 64 hot days (≥ 30 °C) and 148 rainy days per year.

Neili has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.2 °C (on 15 September 2014) and the coldest 2.6 °C (on 16 January 1967).

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

NeiliTaiwan

coords: 24.97°, 121.26°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

21.8°C

Average daily high

24.3°C

Average daily low

19.6°C

Annual rainfall

1,351mm

Sunshine / day

8.5h

Mean relative humidity

79%

Average peak wind

20.1km/h

Seasonal range

13.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

64 d/yr

Rainy days (≥ 1 mm)

148 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.1 °C

Average feels-like low

20.1 °C

Average peak gust

40.5 km/h

Tropical nights (≥ 20 °C)

191 d/yr

Solar radiation

14.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.73 · 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

36.2 °C

15 September 2014

Coldest day

2.6 °C

16 January 1967

Wettest day

366 mm

15 August 1942

Windiest day

79.9 km/h

8 August 2015

Strongest gust

185.0 km/h

8 August 2015

Hottest feels-like

42.4 °C

23 July 2003

Coldest feels-like

-3.8 °C

16 January 1967

Snowiest day

1.2 cm

24 January 2016

Sunniest day

13.6 h

20 June 1946

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.9 °C15 September 2025	8.1 °C8 February 2025	23.1 °C	1,591 mm	131
2024	35.1 °C17 September 2024	6.2 °C23 January 2024	23.3 °C	1,569 mm	113
2023	35.6 °C7 July 2023	6.6 °C25 January 2023	23.0 °C	1,013 mm	111
2022	34.7 °C24 July 2022	7.3 °C18 December 2022	22.5 °C	1,736 mm	93
2021	34.5 °C16 May 2021	5.6 °C8 January 2021	23.1 °C	1,387 mm	127
2020	35.8 °C10 July 2020	6.0 °C31 December 2020	23.3 °C	912 mm	115
2019	34.6 °C20 July 2019	11.6 °C7 March 2019	23.1 °C	1,292 mm	99
2018	34.5 °C9 July 2018	6.9 °C5 February 2018	22.8 °C	1,151 mm	107
2017	33.5 °C10 October 2017	7.9 °C10 February 2017	22.7 °C	1,386 mm	107
2016	35.4 °C1 August 2016	2.7 °C25 January 2016	22.7 °C	1,583 mm	96
2015	34.7 °C6 July 2015	9.3 °C17 December 2015	22.8 °C	1,305 mm	87
2014	36.2 °C15 September 2014	7.3 °C11 February 2014	22.5 °C	1,062 mm	99
2013	34.9 °C27 June 2013	8.7 °C27 December 2013	22.5 °C	1,711 mm	93
2012	34.7 °C20 July 2012	7.0 °C30 December 2012	22.3 °C	1,819 mm	76
2011	32.8 °C8 July 2011	7.3 °C16 January 2011	21.9 °C	1,314 mm	94
2010	35.1 °C6 July 2010	7.2 °C10 March 2010	22.5 °C	1,183 mm	98
2009	35.1 °C2 August 2009	7.3 °C13 January 2009	22.6 °C	1,200 mm	107
2008	34.0 °C20 August 2008	8.0 °C13 February 2008	22.5 °C	1,601 mm	103
2007	35.1 °C20 July 2007	8.2 °C29 January 2007	22.7 °C	1,692 mm	87
2006	32.9 °C2 August 2006	7.5 °C6 January 2006	22.7 °C	1,612 mm	74
2005	32.9 °C16 July 2005	5.2 °C1 January 2005	22.1 °C	1,799 mm	76
2004	33.6 °C28 June 2004	5.6 °C24 January 2004	22.1 °C	2,147 mm	77
2003	36.1 °C22 July 2003	8.3 °C28 January 2003	22.3 °C	889 mm	85
2002	33.7 °C24 June 2002	9.4 °C4 January 2002	22.6 °C	1,306 mm	78
2001	32.6 °C16 August 2001	8.8 °C25 December 2001	22.1 °C	1,654 mm	60
2000	33.4 °C21 August 2000	7.5 °C26 January 2000	22.2 °C	1,958 mm	60
1999	34.4 °C24 July 1999	5.2 °C22 December 1999	22.4 °C	883 mm	92
1998	33.6 °C21 August 1998	8.0 °C24 January 1998	22.8 °C	1,644 mm	75
1997	31.6 °C31 July 1997	8.8 °C24 January 1997	21.9 °C	1,519 mm	40
1996	34.2 °C24 July 1996	7.5 °C10 February 1996	21.8 °C	1,459 mm	75
1995	32.8 °C25 June 1995	7.5 °C5 February 1995	21.4 °C	1,220 mm	65
1994	34.1 °C9 July 1994	7.5 °C21 January 1994	22.4 °C	1,870 mm	72
1993	33.0 °C17 July 1993	7.2 °C28 January 1993	22.1 °C	1,051 mm	94
1992	31.6 °C14 August 1992	7.2 °C1 February 1992	21.4 °C	1,473 mm	41
1991	33.1 °C13 August 1991	4.6 °C28 December 1991	22.1 °C	1,118 mm	91
1990	33.0 °C28 July 1990	7.9 °C1 February 1990	22.0 °C	1,834 mm	52
1989	33.5 °C15 July 1989	7.7 °C28 January 1989	21.7 °C	1,311 mm	64
1988	33.8 °C22 August 1988	9.1 °C18 February 1988	21.8 °C	1,376 mm	92
1987	32.4 °C7 August 1987	5.6 °C4 February 1987	21.9 °C	1,287 mm	60
1986	33.2 °C15 August 1986	4.8 °C5 January 1986	21.3 °C	1,734 mm	60
1985	32.2 °C22 June 1985	5.6 °C16 December 1985	21.3 °C	1,612 mm	27
1984	32.5 °C24 June 1984	6.1 °C7 February 1984	21.2 °C	1,354 mm	46
1983	34.7 °C25 July 1983	8.8 °C22 January 1983	21.9 °C	1,381 mm	88
1982	32.3 °C21 June 1982	7.9 °C17 January 1982	21.6 °C	1,324 mm	51
1981	32.7 °C15 August 1981	6.6 °C12 January 1981	21.6 °C	1,840 mm	51
1980	34.5 °C21 July 1980	5.4 °C31 January 1980	21.6 °C	957 mm	79
1979	32.9 °C31 July 1979	5.8 °C1 February 1979	21.5 °C	1,555 mm	62
1978	32.6 °C26 July 1978	4.9 °C18 February 1978	21.6 °C	1,762 mm	77
1977	33.3 °C22 July 1977	5.5 °C18 February 1977	21.9 °C	1,255 mm	68
1976	32.6 °C23 August 1976	7.6 °C9 December 1976	21.0 °C	1,425 mm	44
1975	32.2 °C9 August 1975	7.4 °C15 December 1975	21.6 °C	1,597 mm	61
1974	32.0 °C14 August 1974	4.9 °C25 February 1974	21.5 °C	1,567 mm	36
1973	32.5 °C22 August 1973	5.7 °C24 December 1973	21.7 °C	1,374 mm	56
1972	31.6 °C21 July 1972	5.2 °C2 March 1972	21.2 °C	1,849 mm	15
1971	35.2 °C21 July 1971	6.7 °C30 January 1971	21.2 °C	1,088 mm	82
1970	32.3 °C4 September 1970	5.6 °C16 January 1970	21.2 °C	1,457 mm	68
1969	32.5 °C5 September 1969	5.2 °C5 February 1969	21.1 °C	2,059 mm	48
1968	32.6 °C20 August 1968	6.5 °C20 February 1968	21.0 °C	1,379 mm	41
1967	32.8 °C7 September 1967	2.6 °C16 January 1967	21.0 °C	1,261 mm	74
1966	30.4 °C18 August 1966	8.8 °C23 February 1966	21.4 °C	1,706 mm	9
1965	31.8 °C14 July 1965	7.1 °C8 January 1965	21.0 °C	972 mm	4
1964	34.0 °C7 August 1964	7.9 °C19 January 1964	21.7 °C	840 mm	65
1963	32.2 °C4 September 1963	5.3 °C7 January 1963	21.0 °C	1,195 mm	20
1962	32.3 °C22 July 1962	5.9 °C27 January 1962	21.0 °C	1,157 mm	42
1961	32.0 °C14 July 1961	5.9 °C1 February 1961	21.5 °C	1,200 mm	42
1960	32.0 °C30 July 1960	5.5 °C30 December 1960	21.6 °C	1,641 mm	44
1959	32.0 °C1 July 1959	5.0 °C17 January 1959	21.8 °C	1,428 mm	64
1958	32.8 °C9 September 1958	4.3 °C13 February 1958	21.4 °C	1,312 mm	50
1957	33.0 °C16 August 1957	5.5 °C11 February 1957	21.2 °C	1,131 mm	45
1956	33.7 °C10 July 1956	5.0 °C8 January 1956	21.6 °C	1,351 mm	84
1955	31.8 °C22 September 1955	5.2 °C21 February 1955	21.2 °C	1,040 mm	46
1954	33.8 °C22 September 1954	8.7 °C5 February 1954	22.1 °C	567 mm	105
1953	34.4 °C13 August 1953	6.7 °C7 January 1953	21.9 °C	1,139 mm	73
1952	33.1 °C8 July 1952	6.2 °C19 February 1952	22.0 °C	1,009 mm	51
1951	32.9 °C2 September 1951	7.8 °C21 January 1951	21.4 °C	1,156 mm	39
1950	32.1 °C19 July 1950	6.7 °C9 December 1950	21.3 °C	1,114 mm	21
1949	31.5 °C5 July 1949	5.6 °C9 January 1949	21.6 °C	752 mm	42
1948	31.5 °C24 August 1948	5.3 °C26 January 1948	21.3 °C	813 mm	36
1947	31.9 °C12 August 1947	7.1 °C9 March 1947	20.7 °C	1,638 mm	18
1946	32.4 °C7 July 1946	7.3 °C2 February 1946	21.3 °C	630 mm	31
1945	30.5 °C30 July 1945	6.2 °C18 December 1945	20.4 °C	1,157 mm	10
1944	30.4 °C17 August 1944	8.3 °C6 January 1944	20.9 °C	840 mm	2
1943	31.0 °C29 May 1943	4.2 °C12 January 1943	20.9 °C	512 mm	21
1942	30.7 °C10 August 1942	7.1 °C13 February 1942	20.8 °C	1,673 mm	4
1941	30.0 °C14 July 1941	7.2 °C5 February 1941	20.8 °C	1,409 mm	1
1940	30.9 °C20 August 1940	5.0 °C25 January 1940	20.2 °C	1,025 mm	6

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

25.8 °C

+1.5 °C

Hot days (≥ 30 °C)

131 d/yr

+67

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1591 mm

+240 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	17.4 °C	+0.2 °C	36 mm	-28 mm
Feb	17.8 °C	+0.1 °C	96 mm	+12 mm
Mar	20.9 °C	+0.7 °C	140 mm	+50 mm
Apr	25.0 °C	+1.2 °C	109 mm	+17 mm
May	27.8 °C	+0.9 °C	223 mm	+88 mm
Jun	30.9 °C	+1.9 °C	76 mm	-80 mm
Jul	31.1 °C	+0.5 °C	382 mm	+246 mm
Aug	32.1 °C	+2.0 °C	42 mm	-157 mm
Sep	32.7 °C	+3.9 °C	34 mm	-135 mm
Oct	29.4 °C	+3.8 °C	283 mm	+183 mm
Nov	23.4 °C	+0.8 °C	114 mm	+46 mm
Dec	20.8 °C	+1.7 °C	57 mm	-2 mm

The year's extremes

Hottest day

34.9 °C

15 Sep 2025

Coldest day

8.1 °C

8 Feb 2025

Wettest day

122.0 mm

21 Jul 2025

Windiest day

47.2 km/h

13 Aug 2025

Strongest gust

92.2 km/h

13 Aug 2025

Hottest feels-like

41.6 °C

6 Sep 2025

Coldest feels-like

2.0 °C

8 Feb 2025

Sunniest day

13.5 h

26 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 Neili?

Neili has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.8 °C and it receives 1,351 mm of precipitation per year.

What is the hottest day ever recorded in Neili?

The hottest day measured in Neili between 1940 and 2025 was 15 September 2014, reaching 36.2 °C.

What is the coldest day in Neili?

The coldest day measured in Neili between 1940 and 2025 was 16 January 1967, at 2.6 °C.

Does it snow in Neili?

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

Has the climate of Neili warmed?

Yes: Neili warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Neili?

The wettest day measured in Neili between 1940 and 2025 was 15 August 1942, with 366 mm of rain in 24 hours.

What was the windiest day in Neili?

The windiest day measured in Neili between 1940 and 2025 was 8 August 2015, with winds reaching 79.9 km/h.

What is the warmest month in Neili?

The warmest month in Neili is July (27.9 °C on average); the coldest is January (14.7 °C).

How much does it rain in Neili?

Neili receives on average 1,351 mm of precipitation per year, spread over about 148 rainy days.

Is it sunny in Neili?

Neili gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

What is the biggest single-day snowfall in Neili?

The heaviest 24-hour snowfall measured in Neili between 1940 and 2025 was 24 January 2016, with 1.2 cm.

Are there tropical nights in Neili?

Yes: Neili has on average 191 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Neili?

In Neili, between 1940 and 2025, the highest apparent temperature reached 42.4 °C on 23 July 2003, and the lowest was -3.8 °C on 16 January 1967.

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