San Ignacio climate — normals and trends

Q: What is the climate of San Ignacio?

San Ignacio has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.9 °C and it receives 1,136 mm of precipitation per year.

Q: What is the hottest day ever recorded in San Ignacio?

The hottest day measured in San Ignacio between 1940 and 2025 was 11 March 2010, reaching 42.1 °C.

Q: What is the coldest day in San Ignacio?

The coldest day measured in San Ignacio between 1940 and 2025 was 26 December 1963, at 8.0 °C.

Q: Does it snow in San Ignacio?

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

Q: Has the climate of San Ignacio warmed?

Yes: San Ignacio warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in San Ignacio?

The wettest day measured in San Ignacio between 1940 and 2025 was 31 October 1961, with 170 mm of rain in 24 hours.

Q: What was the windiest day in San Ignacio?

The windiest day measured in San Ignacio between 1940 and 2025 was 31 October 1961, with winds reaching 50.5 km/h.

Q: What is the warmest month in San Ignacio?

The warmest month in San Ignacio is May (27.2 °C on average); the coldest is January (22.0 °C).

Q: How much does it rain in San Ignacio?

San Ignacio receives on average 1,136 mm of precipitation per year, spread over about 212 rainy days.

Q: Is it sunny in San Ignacio?

San Ignacio gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

San Ignacio (Belize) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.9 °C and it receives 1,136 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 May (27.2 °C on average) and the coldest is January (22.0 °C). Rainfall peaks in September.

San Ignacio averages 0 frost days, 181 hot days (≥ 30 °C) and 212 rainy days per year.

San Ignacio has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.

The hottest day of the period reached 42.1 °C (on 11 March 2010) and the coldest 8.0 °C (on 26 December 1963).

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

San IgnacioCayo District

coords: 17.16°, -89.07°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthSeptemberDriest monthMarch

Mean daily temperature

24.9°C

Average daily high

29.9°C

Average daily low

21.2°C

Annual rainfall

1,136mm

Sunshine / day

9.9h

Mean relative humidity

83%

Average peak wind

13.0km/h

Seasonal range

5.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

181 d/yr

Rainy days (≥ 1 mm)

212 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.9 °C

Average feels-like low

24.5 °C

Average peak gust

33.4 km/h

Tropical nights (≥ 20 °C)

272 d/yr

Solar radiation

17.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.7 °C

since 1940

+0.3 °C per decade · r² = 0.82 · 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

42.1 °C

11 March 2010

Coldest day

8.0 °C

26 December 1963

Wettest day

170 mm

31 October 1961

Windiest day

50.5 km/h

31 October 1961

Strongest gust

122.0 km/h

31 October 1961

Hottest feels-like

46.6 °C

12 October 2023

Coldest feels-like

6.6 °C

26 December 1963

Sunniest day

12.6 h

17 June 1955

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.7 °C20 May 2025	14.7 °C26 February 2025	26.1 °C	1,168 mm	230
2024	39.9 °C26 March 2024	13.3 °C22 February 2024	26.6 °C	1,365 mm	265
2023	39.4 °C12 October 2023	12.6 °C15 January 2023	26.9 °C	1,052 mm	283
2022	38.9 °C8 May 2022	14.5 °C17 January 2022	26.1 °C	1,286 mm	261
2021	39.7 °C11 April 2021	10.7 °C3 February 2021	26.5 °C	785 mm	280
2020	41.4 °C13 April 2020	14.4 °C10 December 2020	26.6 °C	1,239 mm	276
2019	39.9 °C14 April 2019	13.9 °C25 December 2019	26.9 °C	665 mm	314
2018	37.4 °C30 May 2018	12.7 °C22 December 2018	25.7 °C	954 mm	247
2017	39.2 °C3 April 2017	11.7 °C14 December 2017	26.0 °C	1,125 mm	248
2016	38.7 °C1 April 2016	12.1 °C25 January 2016	26.1 °C	1,053 mm	260
2015	40.5 °C28 April 2015	13.1 °C28 January 2015	26.4 °C	972 mm	248
2014	38.7 °C7 April 2014	10.4 °C17 January 2014	25.6 °C	1,208 mm	224
2013	40.6 °C24 March 2013	11.8 °C4 March 2013	25.9 °C	1,415 mm	228
2012	38.8 °C21 April 2012	12.4 °C4 January 2012	25.8 °C	1,032 mm	244
2011	41.0 °C27 April 2011	12.7 °C1 December 2011	26.0 °C	1,144 mm	255
2010	42.1 °C11 March 2010	10.8 °C11 January 2010	25.8 °C	1,135 mm	249
2009	40.1 °C2 April 2009	12.8 °C4 March 2009	26.3 °C	708 mm	265
2008	37.9 °C23 May 2008	13.3 °C21 November 2008	25.2 °C	1,240 mm	201
2007	40.5 °C11 April 2007	11.7 °C20 February 2007	25.6 °C	1,122 mm	226
2006	37.5 °C11 May 2006	9.8 °C14 February 2006	25.5 °C	1,249 mm	231
2005	41.8 °C26 April 2005	12.0 °C24 November 2005	26.1 °C	987 mm	254
2004	38.6 °C11 April 2004	12.9 °C20 February 2004	25.8 °C	820 mm	245
2003	41.4 °C25 April 2003	11.6 °C8 December 2003	25.9 °C	868 mm	248
2002	37.9 °C19 September 2002	12.1 °C24 February 2002	25.7 °C	850 mm	250
2001	38.4 °C29 March 2001	11.3 °C24 January 2001	25.1 °C	949 mm	215
2000	39.1 °C24 April 2000	11.7 °C10 February 2000	24.6 °C	1,031 mm	181
1999	37.6 °C5 May 1999	11.4 °C12 January 1999	24.8 °C	1,216 mm	190
1998	40.0 °C8 March 1998	12.7 °C8 February 1998	25.9 °C	1,158 mm	223
1997	40.2 °C27 April 1997	11.7 °C30 December 1997	25.7 °C	1,098 mm	221
1996	36.1 °C17 March 1996	9.2 °C13 March 1996	24.9 °C	1,199 mm	208
1995	38.4 °C19 May 1995	13.4 °C16 January 1995	25.7 °C	1,126 mm	241
1994	39.1 °C28 March 1994	9.9 °C6 January 1994	25.6 °C	746 mm	253
1993	40.7 °C15 April 1993	11.3 °C28 January 1993	25.2 °C	1,109 mm	192
1992	36.6 °C23 March 1992	14.0 °C12 December 1992	25.0 °C	984 mm	202
1991	38.1 °C3 March 1991	12.0 °C13 February 1991	25.3 °C	886 mm	225
1990	35.3 °C14 May 1990	12.2 °C10 December 1990	25.0 °C	1,191 mm	195
1989	37.4 °C15 May 1989	8.8 °C27 December 1989	25.1 °C	935 mm	208
1988	39.4 °C30 April 1988	13.0 °C27 January 1988	25.0 °C	1,215 mm	192
1987	39.4 °C23 March 1987	10.0 °C28 January 1987	25.1 °C	897 mm	235
1986	38.7 °C14 March 1986	9.0 °C29 January 1986	24.6 °C	1,021 mm	172
1985	37.7 °C18 May 1985	12.0 °C4 April 1985	24.8 °C	925 mm	202
1984	39.6 °C28 March 1984	10.5 °C6 January 1984	24.3 °C	1,250 mm	135
1983	39.3 °C23 April 1983	11.4 °C14 January 1983	24.9 °C	1,343 mm	183
1982	36.7 °C10 April 1982	13.7 °C18 December 1982	24.7 °C	1,226 mm	168
1981	36.0 °C22 March 1981	9.9 °C14 January 1981	24.2 °C	1,349 mm	137
1980	36.4 °C13 April 1980	10.8 °C30 December 1980	24.5 °C	1,280 mm	162
1979	35.7 °C12 April 1979	11.9 °C20 December 1979	24.6 °C	1,444 mm	159
1978	39.0 °C3 May 1978	9.5 °C7 February 1978	24.6 °C	1,332 mm	180
1977	36.7 °C11 May 1977	9.7 °C21 January 1977	24.4 °C	1,100 mm	181
1976	35.5 °C8 April 1976	11.0 °C23 January 1976	23.9 °C	1,403 mm	120
1975	35.9 °C6 May 1975	11.9 °C24 December 1975	24.7 °C	1,097 mm	175
1974	38.5 °C11 May 1974	11.2 °C28 February 1974	24.3 °C	1,177 mm	126
1973	37.5 °C3 April 1973	11.3 °C18 December 1973	24.7 °C	1,251 mm	163
1972	38.0 °C31 March 1972	12.6 °C23 December 1972	24.8 °C	1,315 mm	147
1971	37.4 °C23 April 1971	11.6 °C15 February 1971	24.7 °C	1,084 mm	165
1970	36.9 °C27 May 1970	10.6 °C5 February 1970	24.3 °C	1,150 mm	145
1969	39.5 °C24 March 1969	14.0 °C14 December 1969	24.6 °C	1,499 mm	130
1968	36.6 °C5 May 1968	12.3 °C10 February 1968	24.1 °C	1,160 mm	154
1967	38.4 °C12 June 1967	13.5 °C25 December 1967	24.7 °C	1,011 mm	161
1966	34.4 °C26 May 1966	11.9 °C21 December 1966	24.1 °C	1,201 mm	134
1965	36.7 °C26 April 1965	10.6 °C19 January 1965	24.5 °C	1,099 mm	159
1964	40.7 °C3 May 1964	11.8 °C1 January 1964	25.2 °C	1,066 mm	223
1963	38.4 °C9 April 1963	8.0 °C26 December 1963	24.8 °C	934 mm	205
1962	37.6 °C12 March 1962	10.6 °C3 January 1962	24.2 °C	1,188 mm	166
1961	37.0 °C31 March 1961	11.7 °C26 December 1961	24.1 °C	1,523 mm	127
1960	38.5 °C17 March 1960	10.2 °C1 February 1960	24.1 °C	1,245 mm	140
1959	33.8 °C21 April 1959	12.9 °C30 November 1959	23.8 °C	1,228 mm	117
1958	37.9 °C5 April 1958	11.2 °C9 January 1958	24.5 °C	1,229 mm	142
1957	38.1 °C23 March 1957	13.0 °C12 December 1957	24.0 °C	1,244 mm	116
1956	37.6 °C16 April 1956	9.9 °C15 January 1956	23.3 °C	1,183 mm	64
1955	37.5 °C19 May 1955	12.1 °C1 February 1955	24.0 °C	1,074 mm	125
1954	34.6 °C13 March 1954	11.6 °C23 December 1954	23.7 °C	1,434 mm	72
1953	40.5 °C12 April 1953	12.3 °C11 January 1953	24.7 °C	1,186 mm	124
1952	37.2 °C11 March 1952	13.3 °C28 February 1952	24.3 °C	1,320 mm	119
1951	39.3 °C7 April 1951	12.0 °C4 February 1951	24.4 °C	1,099 mm	136
1950	36.7 °C16 May 1950	11.7 °C12 December 1950	23.4 °C	1,091 mm	71
1949	37.8 °C4 April 1949	13.9 °C1 January 1949	24.0 °C	929 mm	127
1948	39.1 °C1 April 1948	11.1 °C15 January 1948	24.0 °C	1,502 mm	79
1947	35.2 °C19 March 1947	13.7 °C17 February 1947	24.3 °C	1,082 mm	111
1946	35.3 °C17 May 1946	13.5 °C19 January 1946	24.0 °C	1,153 mm	86
1945	39.6 °C25 April 1945	8.9 °C7 December 1945	24.0 °C	1,183 mm	97
1944	36.1 °C16 April 1944	12.4 °C21 January 1944	23.8 °C	1,027 mm	93
1943	33.6 °C23 August 1943	11.7 °C20 December 1943	23.3 °C	1,198 mm	63
1942	34.6 °C14 May 1942	14.1 °C4 March 1942	23.7 °C	1,605 mm	90
1941	38.7 °C3 April 1941	12.4 °C13 February 1941	23.9 °C	1,045 mm	89
1940	36.8 °C18 April 1940	11.1 °C25 January 1940	24.0 °C	1,056 mm	134

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

31.0 °C

+1.1 °C

Hot days (≥ 30 °C)

230 d/yr

+49

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1168 mm

+32 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.0 °C	+0.4 °C	132 mm	+73 mm
Feb	28.8 °C	+0.6 °C	58 mm	+21 mm
Mar	31.4 °C	+0.7 °C	25 mm	-11 mm
Apr	31.6 °C	-0.9 °C	62 mm	+21 mm
May	34.7 °C	+1.9 °C	35 mm	-49 mm
Jun	32.2 °C	+1.0 °C	160 mm	-0 mm
Jul	32.2 °C	+1.7 °C	72 mm	-54 mm
Aug	33.8 °C	+2.6 °C	72 mm	-44 mm
Sep	32.2 °C	+1.4 °C	179 mm	+14 mm
Oct	31.9 °C	+2.6 °C	103 mm	-43 mm
Nov	28.5 °C	+0.8 °C	151 mm	+51 mm
Dec	28.0 °C	+1.3 °C	121 mm	+54 mm

The year's extremes

Hottest day

37.7 °C

20 May 2025

Coldest day

14.7 °C

26 Feb 2025

Wettest day

61.7 mm

1 Jan 2025

Windiest day

21.6 km/h

17 Jun 2025

Strongest gust

58.0 km/h

17 Jun 2025

Hottest feels-like

43.6 °C

20 May 2025

Coldest feels-like

15.7 °C

26 Feb 2025

Sunniest day

12.3 h

31 May 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 San Ignacio?

San Ignacio has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.9 °C and it receives 1,136 mm of precipitation per year.

What is the hottest day ever recorded in San Ignacio?

The hottest day measured in San Ignacio between 1940 and 2025 was 11 March 2010, reaching 42.1 °C.

What is the coldest day in San Ignacio?

The coldest day measured in San Ignacio between 1940 and 2025 was 26 December 1963, at 8.0 °C.

Does it snow in San Ignacio?

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

Has the climate of San Ignacio warmed?

Yes: San Ignacio warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in San Ignacio?

The wettest day measured in San Ignacio between 1940 and 2025 was 31 October 1961, with 170 mm of rain in 24 hours.

What was the windiest day in San Ignacio?

The windiest day measured in San Ignacio between 1940 and 2025 was 31 October 1961, with winds reaching 50.5 km/h.

What is the warmest month in San Ignacio?

The warmest month in San Ignacio is May (27.2 °C on average); the coldest is January (22.0 °C).

How much does it rain in San Ignacio?

San Ignacio receives on average 1,136 mm of precipitation per year, spread over about 212 rainy days.

Is it sunny in San Ignacio?

San Ignacio gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in San Ignacio?

Yes: San Ignacio has on average 272 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in San Ignacio?

In San Ignacio, between 1940 and 2025, the highest apparent temperature reached 46.6 °C on 12 October 2023, and the lowest was 6.6 °C on 26 December 1963.

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