Río Blanco climate — normals and trends

Q: What is the climate of Río Blanco?

Río Blanco has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.2 °C and it receives 1,402 mm of precipitation per year.

Q: What is the hottest day ever recorded in Río Blanco?

The hottest day measured in Río Blanco between 1940 and 2025 was 27 March 2024, reaching 38.0 °C.

Q: What is the coldest day in Río Blanco?

The coldest day measured in Río Blanco between 1940 and 2025 was 13 January 1956, at 11.5 °C.

Q: Does it snow in Río Blanco?

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

Q: Has the climate of Río Blanco warmed?

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

Q: What is the wettest day in Río Blanco?

The wettest day measured in Río Blanco between 1940 and 2025 was 3 June 1966, with 233 mm of rain in 24 hours.

Q: What was the windiest day in Río Blanco?

The windiest day measured in Río Blanco between 1940 and 2025 was 17 November 2020, with winds reaching 35.3 km/h.

Q: What is the warmest month in Río Blanco?

The warmest month in Río Blanco is May (25.9 °C on average); the coldest is January (22.6 °C).

Q: How much does it rain in Río Blanco?

Río Blanco receives on average 1,402 mm of precipitation per year, spread over about 257 rainy days.

Q: Is it sunny in Río Blanco?

Río Blanco gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Río Blanco (Nicaragua) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.2 °C and it receives 1,402 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 (25.9 °C on average) and the coldest is January (22.6 °C). Rainfall peaks in June.

Río Blanco averages 0 frost days, 89 hot days (≥ 30 °C) and 257 rainy days per year.

Río Blanco has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.0 °C (on 27 March 2024) and the coldest 11.5 °C (on 13 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

Río BlancoMatagalpa Department

coords: 12.93°, -85.22°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthJuneDriest monthMarch

Mean daily temperature

24.2°C

Average daily high

28.6°C

Average daily low

20.9°C

Annual rainfall

1,402mm

Sunshine / day

9.4h

Mean relative humidity

83%

Average peak wind

13.2km/h

Seasonal range

3.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

89 d/yr

Rainy days (≥ 1 mm)

257 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.2 °C

Average feels-like low

23.9 °C

Average peak gust

38.1 km/h

Tropical nights (≥ 20 °C)

289 d/yr

Solar radiation

16.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.67 · 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

38.0 °C

27 March 2024

Coldest day

11.5 °C

13 January 1956

Wettest day

233 mm

3 June 1966

Windiest day

35.3 km/h

17 November 2020

Strongest gust

101.5 km/h

9 October 2022

Hottest feels-like

43.3 °C

28 April 2010

Coldest feels-like

10.7 °C

13 January 1956

Sunniest day

12.7 h

10 June 2023

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.0 °C6 May 2025	18.3 °C15 March 2025	25.1 °C	1,788 mm	119
2024	38.0 °C27 March 2024	14.2 °C23 February 2024	25.8 °C	1,711 mm	211
2023	36.4 °C3 June 2023	13.5 °C17 January 2023	25.4 °C	1,442 mm	157
2022	33.4 °C1 May 2022	15.8 °C1 February 2022	24.7 °C	1,929 mm	128
2021	33.8 °C3 May 2021	15.6 °C24 December 2021	24.7 °C	1,156 mm	94
2020	34.7 °C23 May 2020	15.1 °C26 January 2020	25.0 °C	1,826 mm	153
2019	35.0 °C15 May 2019	15.6 °C29 January 2019	25.0 °C	1,406 mm	132
2018	34.6 °C9 May 2018	15.5 °C7 March 2018	24.7 °C	1,500 mm	105
2017	33.4 °C22 April 2017	14.4 °C26 January 2017	24.8 °C	1,698 mm	149
2016	35.5 °C2 April 2016	17.4 °C14 March 2016	25.2 °C	1,568 mm	141
2015	35.3 °C28 April 2015	16.8 °C12 February 2015	25.0 °C	1,378 mm	89
2014	34.3 °C10 May 2014	16.9 °C28 February 2014	24.7 °C	1,564 mm	98
2013	35.3 °C2 May 2013	17.5 °C4 March 2013	24.7 °C	1,471 mm	108
2012	33.1 °C22 June 2012	16.3 °C7 December 2012	24.4 °C	1,252 mm	88
2011	34.3 °C17 May 2011	14.8 °C6 January 2011	24.6 °C	1,306 mm	123
2010	37.7 °C12 March 2010	14.3 °C18 December 2010	24.9 °C	1,535 mm	162
2009	34.6 °C3 April 2009	15.5 °C22 January 2009	24.6 °C	1,190 mm	95
2008	34.6 °C12 May 2008	17.2 °C27 February 2008	24.5 °C	1,524 mm	112
2007	36.0 °C12 May 2007	16.3 °C15 February 2007	24.7 °C	1,297 mm	134
2006	34.5 °C18 April 2006	13.8 °C23 November 2006	24.6 °C	1,384 mm	107
2005	36.0 °C12 April 2005	14.6 °C14 February 2005	25.0 °C	1,509 mm	176
2004	34.2 °C10 April 2004	16.0 °C25 January 2004	24.4 °C	1,212 mm	86
2003	35.9 °C20 March 2003	16.1 °C8 December 2003	24.7 °C	1,152 mm	99
2002	33.9 °C9 May 2002	17.0 °C10 January 2002	24.6 °C	1,208 mm	95
2001	35.3 °C22 May 2001	14.3 °C8 January 2001	24.2 °C	992 mm	85
2000	33.6 °C10 May 2000	13.8 °C27 January 2000	24.0 °C	1,036 mm	73
1999	33.8 °C2 May 1999	13.8 °C3 March 1999	23.9 °C	1,322 mm	64
1998	37.5 °C11 May 1998	14.1 °C11 February 1998	24.9 °C	1,372 mm	123
1997	34.7 °C24 April 1997	14.7 °C16 December 1997	24.2 °C	1,213 mm	61
1996	34.4 °C18 March 1996	13.7 °C14 January 1996	24.1 °C	1,503 mm	92
1995	34.0 °C24 April 1995	16.3 °C21 January 1995	24.5 °C	1,397 mm	146
1994	35.4 °C19 May 1994	13.2 °C5 March 1994	24.2 °C	1,170 mm	84
1993	35.2 °C16 April 1993	14.1 °C20 December 1993	24.1 °C	1,796 mm	77
1992	35.2 °C17 May 1992	14.9 °C8 January 1992	24.3 °C	1,087 mm	101
1991	33.9 °C22 April 1991	14.7 °C11 February 1991	24.2 °C	1,058 mm	83
1990	33.6 °C28 May 1990	16.3 °C4 March 1990	24.1 °C	1,373 mm	77
1989	33.3 °C14 May 1989	14.9 °C13 March 1989	23.9 °C	1,314 mm	59
1988	36.6 °C2 May 1988	15.4 °C28 February 1988	24.6 °C	1,454 mm	125
1987	37.3 °C23 March 1987	13.6 °C6 January 1987	24.9 °C	1,104 mm	161
1986	35.4 °C13 May 1986	13.9 °C27 February 1986	23.8 °C	1,381 mm	70
1985	33.3 °C18 May 1985	15.1 °C13 January 1985	23.7 °C	1,175 mm	55
1984	37.5 °C12 April 1984	14.6 °C8 January 1984	23.9 °C	1,184 mm	86
1983	35.8 °C24 April 1983	15.7 °C3 March 1983	24.7 °C	1,120 mm	111
1982	34.4 °C11 April 1982	15.6 °C23 March 1982	24.2 °C	1,392 mm	70
1981	35.9 °C19 March 1981	13.9 °C1 January 1981	24.1 °C	1,327 mm	81
1980	35.9 °C2 May 1980	14.1 °C29 December 1980	24.2 °C	1,370 mm	81
1979	35.0 °C25 March 1979	14.3 °C28 January 1979	24.3 °C	1,438 mm	77
1978	37.1 °C2 May 1978	15.1 °C16 January 1978	24.4 °C	1,438 mm	92
1977	36.1 °C11 May 1977	13.9 °C20 January 1977	24.2 °C	1,224 mm	70
1976	35.9 °C8 April 1976	13.3 °C11 February 1976	23.8 °C	1,350 mm	59
1975	34.9 °C23 May 1975	12.7 °C24 December 1975	23.9 °C	1,780 mm	73
1974	33.1 °C7 May 1974	15.2 °C14 February 1974	23.6 °C	1,327 mm	54
1973	35.3 °C27 April 1973	14.2 °C13 February 1973	24.1 °C	1,408 mm	94
1972	35.4 °C30 March 1972	16.0 °C24 March 1972	24.2 °C	1,437 mm	64
1971	33.4 °C19 April 1971	14.7 °C22 January 1971	23.7 °C	1,527 mm	53
1970	33.3 °C8 March 1970	13.7 °C18 January 1970	23.9 °C	1,617 mm	62
1969	36.5 °C4 May 1969	15.9 °C10 November 1969	24.6 °C	1,576 mm	128
1968	33.1 °C22 May 1968	14.2 °C24 February 1968	23.9 °C	1,503 mm	77
1967	33.4 °C13 June 1967	16.5 °C18 March 1967	24.2 °C	1,293 mm	78
1966	36.3 °C10 April 1966	15.3 °C21 December 1966	24.4 °C	1,656 mm	78
1965	34.0 °C27 April 1965	14.3 °C30 January 1965	24.2 °C	1,321 mm	79
1964	37.7 °C5 May 1964	17.6 °C6 February 1964	24.4 °C	1,219 mm	99
1963	35.2 °C7 April 1963	14.4 °C6 February 1963	24.2 °C	1,236 mm	77
1962	33.8 °C24 March 1962	15.2 °C27 November 1962	23.7 °C	1,483 mm	43
1961	34.1 °C1 April 1961	16.6 °C5 February 1961	23.8 °C	1,254 mm	64
1960	33.2 °C8 May 1960	14.9 °C1 February 1960	23.7 °C	1,361 mm	79
1959	31.6 °C26 May 1959	15.2 °C20 February 1959	23.5 °C	1,112 mm	29
1958	34.6 °C21 April 1958	14.5 °C9 January 1958	24.2 °C	1,644 mm	108
1957	34.1 °C24 March 1957	14.0 °C11 December 1957	23.8 °C	1,347 mm	71
1956	35.0 °C11 April 1956	11.5 °C13 January 1956	23.3 °C	1,537 mm	45
1955	37.1 °C28 April 1955	15.5 °C27 December 1955	24.1 °C	1,352 mm	98
1954	32.3 °C11 March 1954	14.7 °C5 February 1954	23.9 °C	1,403 mm	58
1953	36.1 °C1 May 1953	15.0 °C11 January 1953	24.3 °C	1,432 mm	89
1952	34.0 °C25 April 1952	14.5 °C29 February 1952	24.0 °C	1,500 mm	81
1951	35.7 °C8 April 1951	14.5 °C11 January 1951	24.1 °C	1,253 mm	85
1950	34.3 °C26 April 1950	13.6 °C13 December 1950	23.4 °C	1,634 mm	67
1949	34.4 °C3 April 1949	15.8 °C28 February 1949	23.5 °C	1,484 mm	54
1948	31.7 °C1 April 1948	17.0 °C22 January 1948	23.1 °C	1,785 mm	23
1947	33.1 °C9 May 1947	14.9 °C17 February 1947	23.7 °C	1,262 mm	81
1946	32.2 °C18 May 1946	15.6 °C16 November 1946	23.1 °C	1,474 mm	44
1945	33.8 °C17 May 1945	11.7 °C6 December 1945	23.1 °C	1,638 mm	44
1944	33.4 °C24 May 1944	15.0 °C14 November 1944	23.3 °C	1,249 mm	59
1943	31.6 °C23 April 1943	13.8 °C20 December 1943	22.9 °C	1,535 mm	13
1942	32.6 °C1 May 1942	14.7 °C26 January 1942	23.2 °C	1,834 mm	41
1941	36.1 °C4 April 1941	13.3 °C15 January 1941	23.4 °C	1,310 mm	58
1940	33.4 °C22 March 1940	16.1 °C5 February 1940	23.6 °C	1,177 mm	56

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

29.2 °C

+0.6 °C

Hot days (≥ 30 °C)

119 d/yr

+30

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1788 mm

+386 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.7 °C	+1.2 °C	103 mm	+56 mm
Feb	28.1 °C	+0.5 °C	75 mm	+43 mm
Mar	30.0 °C	+0.6 °C	35 mm	+5 mm
Apr	30.3 °C	-0.8 °C	51 mm	+7 mm
May	31.6 °C	+0.7 °C	98 mm	-46 mm
Jun	28.0 °C	-0.9 °C	479 mm	+257 mm
Jul	28.9 °C	+1.0 °C	188 mm	-7 mm
Aug	29.3 °C	+0.8 °C	122 mm	-43 mm
Sep	30.2 °C	+1.1 °C	178 mm	+0 mm
Oct	30.4 °C	+1.7 °C	235 mm	+48 mm
Nov	28.2 °C	+0.6 °C	146 mm	+46 mm
Dec	27.6 °C	+1.0 °C	79 mm	+21 mm

The year's extremes

Hottest day

34.0 °C

6 May 2025

Coldest day

18.3 °C

15 Mar 2025

Wettest day

128.9 mm

17 Jun 2025

Windiest day

22.1 km/h

8 Jan 2025

Strongest gust

59.4 km/h

25 Jan 2025

Hottest feels-like

40.3 °C

28 Oct 2025

Coldest feels-like

20.0 °C

13 Apr 2025

Sunniest day

12.6 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 Río Blanco?

Río Blanco has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.2 °C and it receives 1,402 mm of precipitation per year.

What is the hottest day ever recorded in Río Blanco?

The hottest day measured in Río Blanco between 1940 and 2025 was 27 March 2024, reaching 38.0 °C.

What is the coldest day in Río Blanco?

The coldest day measured in Río Blanco between 1940 and 2025 was 13 January 1956, at 11.5 °C.

Does it snow in Río Blanco?

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

Has the climate of Río Blanco warmed?

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

What is the wettest day in Río Blanco?

The wettest day measured in Río Blanco between 1940 and 2025 was 3 June 1966, with 233 mm of rain in 24 hours.

What was the windiest day in Río Blanco?

The windiest day measured in Río Blanco between 1940 and 2025 was 17 November 2020, with winds reaching 35.3 km/h.

What is the warmest month in Río Blanco?

The warmest month in Río Blanco is May (25.9 °C on average); the coldest is January (22.6 °C).

How much does it rain in Río Blanco?

Río Blanco receives on average 1,402 mm of precipitation per year, spread over about 257 rainy days.

Is it sunny in Río Blanco?

Río Blanco gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Are there tropical nights in Río Blanco?

Yes: Río Blanco has on average 289 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Río Blanco?

In Río Blanco, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 28 April 2010, and the lowest was 10.7 °C on 13 January 1956.

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