Blauwgrond climate — normals and trends

Q: What is the climate of Blauwgrond?

Blauwgrond has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 2,112 mm of precipitation per year.

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

The hottest day measured in Blauwgrond between 1940 and 2025 was 1 October 2023, reaching 37.5 °C.

Q: What is the coldest day in Blauwgrond?

The coldest day measured in Blauwgrond between 1940 and 2025 was 26 January 1955, at 18.5 °C.

Q: Does it snow in Blauwgrond?

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

Q: Has the climate of Blauwgrond warmed?

Yes: Blauwgrond warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Blauwgrond?

The wettest day measured in Blauwgrond between 1940 and 2025 was 23 May 1964, with 231 mm of rain in 24 hours.

Q: What was the windiest day in Blauwgrond?

The windiest day measured in Blauwgrond between 1940 and 2025 was 17 February 1975, with winds reaching 24.3 km/h.

Q: What is the warmest month in Blauwgrond?

The warmest month in Blauwgrond is October (26.9 °C on average); the coldest is January (25.2 °C).

Q: How much does it rain in Blauwgrond?

Blauwgrond receives on average 2,112 mm of precipitation per year, spread over about 268 rainy days.

Q: Is it sunny in Blauwgrond?

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

Blauwgrond (Suriname) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 2,112 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 October (26.9 °C on average) and the coldest is January (25.2 °C). Rainfall peaks in June.

Blauwgrond averages 0 frost days, 194 hot days (≥ 30 °C) and 268 rainy days per year.

Blauwgrond has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.5 °C (on 1 October 2023) and the coldest 18.5 °C (on 26 January 1955).

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

BlauwgrondParamaribo District

coords: 5.84°, -55.12°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthOctoberColdest monthJanuaryWettest monthJuneDriest monthSeptember

Mean daily temperature

25.9°C

Average daily high

30.1°C

Average daily low

23.1°C

Annual rainfall

2,112mm

Sunshine / day

10.5h

Mean relative humidity

85%

Average peak wind

14.0km/h

Seasonal range

1.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

194 d/yr

Rainy days (≥ 1 mm)

268 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.6 °C

Average feels-like low

27.1 °C

Average peak gust

33.7 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

19.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.72 · 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

37.5 °C

1 October 2023

Coldest day

18.5 °C

26 January 1955

Wettest day

231 mm

23 May 1964

Windiest day

24.3 km/h

17 February 1975

Strongest gust

56.5 km/h

15 April 1979

Hottest feels-like

43.5 °C

29 September 2024

Coldest feels-like

20.7 °C

26 January 1955

Sunniest day

12.1 h

22 May 2014

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.0 °C4 October 2025	21.8 °C1 March 2025	26.8 °C	2,772 mm	291
2024	36.4 °C19 September 2024	22.1 °C28 February 2024	27.7 °C	1,817 mm	338
2023	37.5 °C1 October 2023	21.1 °C26 January 2023	27.0 °C	2,625 mm	280
2022	34.2 °C27 September 2022	21.6 °C18 January 2022	26.4 °C	3,146 mm	224
2021	34.0 °C15 October 2021	21.9 °C20 February 2021	26.5 °C	2,916 mm	239
2020	34.3 °C19 September 2020	21.1 °C3 January 2020	26.8 °C	2,152 mm	282
2019	34.1 °C22 September 2019	22.4 °C14 January 2019	26.8 °C	1,848 mm	246
2018	34.2 °C8 October 2018	21.7 °C5 February 2018	26.3 °C	2,240 mm	215
2017	35.6 °C11 September 2017	21.9 °C19 January 2017	26.7 °C	2,192 mm	238
2016	35.5 °C4 November 2016	20.9 °C22 January 2016	26.8 °C	2,252 mm	277
2015	35.5 °C24 October 2015	21.2 °C23 March 2015	26.5 °C	1,834 mm	229
2014	33.8 °C16 October 2014	21.5 °C21 January 2014	26.4 °C	1,587 mm	236
2013	33.1 °C28 August 2013	21.2 °C3 January 2013	26.3 °C	2,318 mm	240
2012	35.5 °C29 October 2012	21.7 °C26 February 2012	26.4 °C	2,095 mm	238
2011	34.4 °C28 September 2011	20.2 °C21 January 2011	26.5 °C	2,024 mm	269
2010	34.5 °C9 October 2010	21.5 °C11 February 2010	26.8 °C	2,206 mm	281
2009	34.3 °C6 October 2009	21.7 °C25 June 2009	26.5 °C	1,417 mm	245
2008	34.6 °C14 October 2008	20.6 °C17 March 2008	26.2 °C	2,032 mm	210
2007	32.6 °C24 August 2007	20.9 °C8 February 2007	26.2 °C	2,008 mm	221
2006	34.1 °C20 October 2006	20.2 °C13 February 2006	26.3 °C	2,196 mm	230
2005	34.4 °C4 October 2005	21.5 °C16 February 2005	26.6 °C	1,894 mm	273
2004	33.9 °C20 October 2004	20.8 °C24 January 2004	26.4 °C	1,908 mm	242
2003	34.7 °C11 October 2003	21.5 °C21 January 2003	26.4 °C	1,515 mm	251
2002	33.8 °C6 October 2002	20.8 °C7 January 2002	26.1 °C	2,052 mm	212
2001	33.8 °C28 October 2001	20.8 °C20 April 2001	26.1 °C	1,509 mm	211
2000	33.5 °C26 October 2000	20.0 °C31 March 2000	25.8 °C	2,192 mm	170
1999	33.9 °C17 November 1999	20.5 °C25 February 1999	26.1 °C	2,010 mm	219
1998	33.8 °C1 April 1998	21.8 °C27 March 1998	26.8 °C	1,716 mm	299
1997	37.1 °C15 October 1997	20.6 °C28 March 1997	26.4 °C	1,578 mm	221
1996	34.3 °C14 October 1996	20.6 °C18 February 1996	26.1 °C	1,913 mm	211
1995	35.1 °C25 October 1995	21.0 °C5 February 1995	26.4 °C	1,561 mm	244
1994	33.1 °C19 October 1994	19.3 °C27 December 1994	25.9 °C	1,661 mm	179
1993	32.2 °C7 October 1993	21.2 °C12 January 1993	25.9 °C	1,817 mm	188
1992	34.8 °C28 September 1992	21.1 °C1 February 1992	26.1 °C	1,375 mm	215
1991	33.3 °C24 November 1991	20.7 °C19 February 1991	25.9 °C	1,583 mm	194
1990	34.9 °C12 October 1990	20.3 °C16 February 1990	26.0 °C	2,183 mm	197
1989	33.7 °C19 September 1989	20.5 °C16 March 1989	25.9 °C	1,945 mm	152
1988	33.7 °C18 April 1988	21.1 °C18 December 1988	26.2 °C	1,801 mm	227
1987	34.4 °C22 October 1987	20.7 °C18 February 1987	26.6 °C	1,571 mm	261
1986	33.0 °C24 September 1986	19.4 °C13 March 1986	25.9 °C	1,968 mm	167
1985	33.0 °C17 September 1985	19.0 °C30 January 1985	25.6 °C	1,704 mm	157
1984	32.0 °C11 September 1984	19.8 °C15 March 1984	25.6 °C	2,171 mm	145
1983	33.0 °C27 September 1983	20.2 °C14 February 1983	26.0 °C	2,055 mm	229
1982	33.2 °C9 September 1982	20.9 °C3 December 1982	25.7 °C	2,124 mm	172
1981	33.1 °C29 September 1981	20.1 °C16 March 1981	26.0 °C	2,433 mm	228
1980	33.0 °C5 September 1980	19.8 °C23 February 1980	25.9 °C	2,169 mm	182
1979	33.3 °C22 October 1979	20.8 °C17 January 1979	25.9 °C	2,327 mm	197
1978	32.5 °C31 August 1978	18.9 °C19 January 1978	25.7 °C	2,005 mm	184
1977	32.7 °C7 August 1977	20.2 °C13 January 1977	25.7 °C	1,989 mm	190
1976	35.3 °C3 November 1976	19.9 °C13 February 1976	25.5 °C	1,906 mm	146
1975	33.2 °C26 October 1975	20.1 °C24 January 1975	25.4 °C	2,200 mm	140
1974	32.8 °C30 September 1974	20.6 °C20 January 1974	25.4 °C	1,837 mm	135
1973	33.0 °C30 September 1973	20.1 °C16 February 1973	25.7 °C	2,250 mm	192
1972	34.9 °C12 October 1972	20.3 °C18 February 1972	25.5 °C	2,221 mm	143
1971	32.1 °C9 September 1971	20.0 °C3 May 1971	25.0 °C	2,342 mm	97
1970	33.0 °C27 October 1970	21.1 °C14 March 1970	25.7 °C	2,931 mm	156
1969	33.3 °C22 September 1969	21.6 °C20 January 1969	25.9 °C	2,981 mm	198
1968	33.1 °C11 June 1968	20.8 °C4 March 1968	25.5 °C	2,092 mm	160
1967	33.6 °C12 November 1967	19.8 °C10 February 1967	25.6 °C	2,031 mm	177
1966	35.2 °C31 October 1966	20.9 °C12 January 1966	26.2 °C	1,172 mm	239
1965	35.1 °C28 October 1965	20.9 °C28 January 1965	25.7 °C	1,309 mm	149
1964	32.5 °C1 April 1964	20.1 °C22 January 1964	25.6 °C	1,926 mm	176
1963	33.5 °C27 October 1963	20.5 °C26 March 1963	25.5 °C	2,442 mm	128
1962	32.9 °C8 October 1962	20.9 °C1 March 1962	25.4 °C	2,325 mm	118
1961	33.1 °C22 April 1961	21.2 °C15 February 1961	25.5 °C	2,322 mm	115
1960	32.7 °C30 October 1960	19.9 °C10 March 1960	25.3 °C	2,451 mm	125
1959	33.4 °C11 October 1959	21.1 °C23 October 1959	25.2 °C	2,274 mm	88
1958	34.8 °C27 September 1958	21.1 °C15 January 1958	26.1 °C	1,697 mm	249
1957	34.8 °C2 October 1957	20.9 °C22 February 1957	25.7 °C	1,695 mm	169
1956	32.2 °C4 November 1956	20.7 °C10 February 1956	25.1 °C	2,669 mm	121
1955	33.5 °C23 September 1955	18.5 °C26 January 1955	25.3 °C	2,403 mm	130
1954	32.0 °C9 October 1954	20.9 °C20 June 1954	25.2 °C	2,781 mm	120
1953	34.4 °C22 October 1953	20.7 °C9 January 1953	25.6 °C	2,410 mm	176
1952	33.0 °C30 September 1952	20.4 °C4 March 1952	25.7 °C	1,685 mm	197
1951	33.0 °C7 September 1951	20.4 °C15 December 1951	25.6 °C	2,596 mm	194
1950	36.4 °C19 October 1950	21.1 °C12 April 1950	25.4 °C	2,222 mm	125
1949	32.0 °C13 October 1949	20.9 °C29 June 1949	25.0 °C	2,841 mm	54
1948	33.3 °C5 November 1948	19.9 °C9 February 1948	25.2 °C	2,958 mm	134
1947	33.7 °C18 October 1947	20.3 °C17 February 1947	25.5 °C	1,851 mm	157
1946	33.8 °C30 October 1946	20.8 °C16 February 1946	25.2 °C	2,755 mm	127
1945	35.4 °C14 October 1945	20.2 °C9 January 1945	25.6 °C	2,030 mm	167
1944	36.3 °C16 November 1944	20.1 °C13 March 1944	25.6 °C	2,077 mm	186
1943	34.2 °C4 October 1943	20.6 °C4 June 1943	24.9 °C	2,958 mm	123
1942	33.7 °C25 October 1942	20.1 °C6 January 1942	25.1 °C	2,609 mm	121
1941	35.4 °C4 October 1941	21.0 °C28 February 1941	25.7 °C	2,090 mm	176
1940	34.9 °C5 November 1940	21.0 °C12 January 1940	25.6 °C	1,849 mm	198

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

31.2 °C

+1.1 °C

Hot days (≥ 30 °C)

291 d/yr

+97

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2772 mm

+660 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.1 °C	+1.3 °C	248 mm	+103 mm
Feb	29.9 °C	+0.9 °C	137 mm	+28 mm
Mar	30.1 °C	+0.6 °C	109 mm	+3 mm
Apr	30.5 °C	+0.7 °C	274 mm	+102 mm
May	30.4 °C	+0.7 °C	551 mm	+245 mm
Jun	30.6 °C	+1.0 °C	531 mm	+189 mm
Jul	31.2 °C	+1.1 °C	293 mm	+25 mm
Aug	32.0 °C	+1.1 °C	193 mm	+27 mm
Sep	33.1 °C	+1.4 °C	73 mm	-18 mm
Oct	33.1 °C	+1.2 °C	99 mm	+3 mm
Nov	32.0 °C	+1.1 °C	127 mm	-13 mm
Dec	31.0 °C	+1.5 °C	137 mm	-32 mm

The year's extremes

Hottest day

35.0 °C

4 Oct 2025

Coldest day

21.8 °C

1 Mar 2025

Wettest day

65.0 mm

23 Jan 2025

Windiest day

22.9 km/h

21 Feb 2025

Strongest gust

49.7 km/h

25 Mar 2025

Hottest feels-like

42.5 °C

17 Sep 2025

Coldest feels-like

24.6 °C

1 Mar 2025

Sunniest day

11.9 h

2 Aug 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 Blauwgrond?

Blauwgrond has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 2,112 mm of precipitation per year.

What is the hottest day ever recorded in Blauwgrond?

The hottest day measured in Blauwgrond between 1940 and 2025 was 1 October 2023, reaching 37.5 °C.

What is the coldest day in Blauwgrond?

The coldest day measured in Blauwgrond between 1940 and 2025 was 26 January 1955, at 18.5 °C.

Does it snow in Blauwgrond?

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

Has the climate of Blauwgrond warmed?

Yes: Blauwgrond warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Blauwgrond?

The wettest day measured in Blauwgrond between 1940 and 2025 was 23 May 1964, with 231 mm of rain in 24 hours.

What was the windiest day in Blauwgrond?

The windiest day measured in Blauwgrond between 1940 and 2025 was 17 February 1975, with winds reaching 24.3 km/h.

What is the warmest month in Blauwgrond?

The warmest month in Blauwgrond is October (26.9 °C on average); the coldest is January (25.2 °C).

How much does it rain in Blauwgrond?

Blauwgrond receives on average 2,112 mm of precipitation per year, spread over about 268 rainy days.

Is it sunny in Blauwgrond?

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

Are there tropical nights in Blauwgrond?

Yes: Blauwgrond has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Blauwgrond?

In Blauwgrond, between 1940 and 2025, the highest apparent temperature reached 43.5 °C on 29 September 2024, and the lowest was 20.7 °C on 26 January 1955.

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