San Rafael del Sur climate — normals and trends

San Rafael del Sur (Nicaragua) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.6 °C and it receives 1,325 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 (29.3 °C on average) and the coldest is October (26.3 °C). Rainfall peaks in October.

San Rafael del Sur averages 0 frost days, 296 hot days (≥ 30 °C) and 138 rainy days per year.

San Rafael del Sur has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.5 °C (on 16 April 2005) and the coldest 19.8 °C (on 11 February 1976).

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 Rafael del SurManagua Department

coords
11.85°, -86.44°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthAprilColdest monthOctoberWettest monthOctoberDriest monthFebruary

Mean daily temperature

27.6°C

Average daily high

31.6°C

Average daily low

24.5°C

Annual rainfall

1,325mm

Sunshine / day

10.9h

Mean relative humidity

70%

Average peak wind

20.1km/h

Seasonal range

3.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

296 d/yr

Rainy days (≥ 1 mm)

138 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.9 °C

Average feels-like low

26.9 °C

Average peak gust

41.6 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

20.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.54 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

16 April 2005

Coldest day

19.8 °C

11 February 1976

Wettest day

213 mm

11 June 1978

Windiest day

44.9 km/h

13 February 1955

Strongest gust

82.4 km/h

13 February 1955

Hottest feels-like

42.6 °C

25 May 1988

Coldest feels-like

16.4 °C

6 January 1956

Sunniest day

12.5 h

25 May 1949

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202535.9 °C12 May 202523.2 °C17 October 202528.5 °C1,032 mm3400
202436.4 °C11 March 202420.6 °C23 February 202428.4 °C2,254 mm2970
202336.8 °C5 May 202321.7 °C17 January 202328.6 °C1,340 mm3440
202235.8 °C9 April 202222.0 °C3 February 202227.6 °C2,123 mm2870
202135.6 °C5 June 202122.0 °C4 February 202128.2 °C1,007 mm3450
202036.0 °C8 April 202021.9 °C23 January 202028.1 °C2,061 mm3030
201935.9 °C30 April 201923.0 °C9 January 201928.5 °C1,064 mm3350
201835.6 °C16 April 201821.7 °C7 March 201828.2 °C1,035 mm3340
201736.0 °C30 April 201721.4 °C23 January 201727.8 °C1,875 mm3140
201636.5 °C21 March 201622.2 °C23 November 201628.4 °C1,419 mm3330
201536.0 °C8 May 201523.1 °C12 February 201528.9 °C759 mm3530
201436.1 °C19 May 201422.6 °C25 February 201428.5 °C1,020 mm3370
201336.1 °C26 March 201322.2 °C14 February 201328.1 °C1,146 mm3200
201234.7 °C4 May 201222.0 °C5 January 201227.9 °C986 mm3270
201135.2 °C29 March 201121.7 °C6 January 201127.5 °C1,851 mm2930
201036.5 °C23 April 201020.8 °C18 December 201027.5 °C2,383 mm2700
200935.5 °C21 April 200921.8 °C29 March 200928.2 °C898 mm3410
200835.9 °C19 April 200822.3 °C3 February 200827.5 °C1,897 mm2820
200735.8 °C4 March 200721.6 °C11 February 200727.7 °C1,802 mm2910
200636.8 °C24 April 200620.3 °C23 November 200628.1 °C1,102 mm3350
200537.5 °C16 April 200521.3 °C24 November 200527.8 °C1,787 mm2780
200436.4 °C10 April 200421.7 °C24 January 200428.2 °C897 mm3370
200336.2 °C7 April 200322.5 °C22 December 200328.2 °C1,073 mm3330
200236.3 °C2 May 200222.3 °C10 January 200228.3 °C926 mm3180
200136.4 °C30 April 200121.9 °C2 March 200127.9 °C915 mm3260
200035.8 °C4 May 200020.7 °C27 January 200027.7 °C857 mm3330
199934.4 °C23 April 199921.1 °C20 November 199926.9 °C1,653 mm2510
199836.8 °C14 May 199822.3 °C7 February 199828.0 °C1,712 mm3000
199735.6 °C27 August 199721.1 °C16 December 199728.0 °C985 mm3210
199635.7 °C9 March 199620.1 °C17 March 199627.3 °C1,413 mm2850
199536.2 °C25 April 199522.8 °C7 February 199527.6 °C1,998 mm2930
199436.4 °C6 September 199421.8 °C6 March 199428.2 °C680 mm3310
199336.0 °C25 April 199321.9 °C20 December 199327.8 °C1,396 mm3020
199237.1 °C24 April 199222.1 °C8 January 199228.3 °C701 mm3430
199136.5 °C2 May 199122.0 °C13 February 199128.3 °C724 mm3350
199036.3 °C12 May 199023.0 °C15 February 199028.2 °C790 mm3400
198935.6 °C6 May 198921.1 °C26 February 198927.7 °C853 mm3230
198836.6 °C25 April 198821.8 °C28 February 198827.6 °C1,759 mm2840
198736.9 °C19 April 198722.1 °C6 January 198728.7 °C704 mm3530
198636.1 °C7 May 198620.6 °C15 March 198627.6 °C785 mm3130
198535.4 °C12 April 198522.0 °C13 January 198527.4 °C1,012 mm3270
198435.8 °C8 May 198420.9 °C9 January 198427.4 °C991 mm3070
198336.9 °C27 April 198322.9 °C6 February 198328.4 °C717 mm3480
198235.6 °C23 April 198222.3 °C19 December 198227.9 °C1,464 mm3120
198135.0 °C28 April 198120.3 °C14 January 198127.2 °C1,660 mm2740
198036.3 °C20 April 198021.0 °C6 February 198027.7 °C1,243 mm2990
197935.0 °C13 April 197921.6 °C28 January 197927.5 °C1,553 mm2880
197835.8 °C14 May 197821.7 °C24 February 197827.4 °C1,650 mm2950
197735.6 °C15 April 197720.9 °C20 January 197727.9 °C1,035 mm3190
197635.0 °C13 May 197619.8 °C11 February 197627.5 °C828 mm3170
197535.4 °C15 April 197520.2 °C15 November 197527.1 °C1,663 mm2520
197434.6 °C2 August 197421.1 °C6 December 197426.9 °C1,251 mm2760
197336.3 °C30 April 197320.9 °C20 December 197327.3 °C1,706 mm2780
197235.5 °C2 April 197221.4 °C18 February 197228.0 °C698 mm3300
197135.3 °C9 May 197121.0 °C22 January 197126.9 °C1,559 mm2480
197035.6 °C23 March 197021.2 °C5 February 197027.1 °C1,672 mm2570
196936.8 °C8 May 196922.4 °C14 December 196927.5 °C2,234 mm2610
196834.8 °C2 May 196821.3 °C11 March 196827.1 °C1,689 mm2700
196735.1 °C25 May 196722.1 °C21 March 196727.8 °C768 mm3130
196635.6 °C20 April 196621.9 °C23 December 196627.6 °C1,351 mm2820
196536.1 °C6 May 196521.8 °C12 January 196527.8 °C994 mm3260
196435.4 °C23 May 196421.9 °C26 December 196427.5 °C1,110 mm2720
196335.0 °C17 March 196321.8 °C6 February 196327.5 °C1,264 mm2950
196234.7 °C7 April 196220.8 °C29 November 196227.1 °C1,238 mm2720
196135.2 °C5 May 196122.2 °C3 November 196127.4 °C1,186 mm2930
196034.7 °C21 April 196021.3 °C24 January 196026.9 °C1,758 mm2650
195935.5 °C23 April 195921.6 °C7 December 195927.5 °C841 mm3020
195836.0 °C12 April 195821.4 °C9 January 195827.6 °C1,476 mm3050
195736.0 °C6 May 195721.5 °C11 December 195727.5 °C967 mm3230
195635.0 °C25 April 195620.2 °C6 January 195626.9 °C1,179 mm2540
195535.7 °C9 May 195522.3 °C11 September 195526.8 °C2,109 mm2310
195435.0 °C16 April 195421.6 °C5 February 195426.8 °C1,728 mm2280
195335.2 °C24 April 195321.8 °C12 January 195327.5 °C1,394 mm3060
195235.3 °C6 April 195220.9 °C28 February 195227.1 °C1,755 mm2730
195134.5 °C27 April 195120.9 °C11 January 195127.3 °C1,236 mm3260
195035.0 °C29 April 195021.0 °C14 December 195026.7 °C1,881 mm2410
194935.7 °C14 April 194921.9 °C2 January 194927.2 °C1,476 mm2720
194834.9 °C4 May 194821.4 °C16 January 194826.8 °C1,821 mm1920
194735.2 °C14 April 194721.9 °C20 February 194726.9 °C1,136 mm2270
194634.5 °C10 May 194621.9 °C11 January 194626.8 °C934 mm2470
194534.2 °C5 May 194520.3 °C6 December 194526.5 °C1,992 mm2270
194435.0 °C9 April 194421.6 °C1 January 194426.8 °C1,350 mm2320
194334.4 °C20 April 194320.0 °C22 December 194326.7 °C1,173 mm2610
194235.2 °C29 March 194222.1 °C25 January 194226.5 °C2,079 mm1560
194135.9 °C24 April 194121.6 °C12 January 194127.7 °C523 mm3260
194035.0 °C15 May 194021.9 °C29 January 194027.5 °C1,013 mm2840

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?

Across the whole year

Average daily high
32.5 °C
+0.9 °C
Hot days (≥ 30 °C)
340 d/yr
+44
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1032 mm
-293 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan32.2 °C+0.3 °C5 mm+3 mm
Feb32.8 °C+0.3 °C1 mm-0 mm
Mar34.3 °C+0.9 °C0 mm-3 mm
Apr34.7 °C+0.8 °C3 mm-17 mm
May34.1 °C+1.7 °C57 mm-114 mm
Jun31.2 °C+0.5 °C229 mm-3 mm
Jul32.6 °C+1.2 °C27 mm-69 mm
Aug33.2 °C+1.7 °C48 mm-85 mm
Sep31.8 °C+1.5 °C205 mm-62 mm
Oct30.1 °C+0.4 °C407 mm+98 mm
Nov31.4 °C+0.9 °C41 mm-43 mm
Dec32.3 °C+0.8 °C9 mm+1 mm

The year's extremes

Hottest day
35.9 °C
12 May 2025
Coldest day
23.2 °C
17 Oct 2025
Wettest day
34.8 mm
17 Oct 2025
Windiest day
37.3 km/h
25 Jan 2025
Strongest gust
71.6 km/h
25 Jan 2025
Hottest feels-like
41.0 °C
31 May 2025
Coldest feels-like
23.6 °C
22 Mar 2025
Sunniest day
12.4 h
28 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 Rafael del Sur?

San Rafael del Sur has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,325 mm of precipitation per year.

What is the hottest day ever recorded in San Rafael del Sur?

The hottest day measured in San Rafael del Sur between 1940 and 2025 was 16 April 2005, reaching 37.5 °C.

What is the coldest day in San Rafael del Sur?

The coldest day measured in San Rafael del Sur between 1940 and 2025 was 11 February 1976, at 19.8 °C.

Does it snow in San Rafael del Sur?

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

Has the climate of San Rafael del Sur warmed?

Yes: San Rafael del Sur warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in San Rafael del Sur?

The wettest day measured in San Rafael del Sur between 1940 and 2025 was 11 June 1978, with 213 mm of rain in 24 hours.

What was the windiest day in San Rafael del Sur?

The windiest day measured in San Rafael del Sur between 1940 and 2025 was 13 February 1955, with winds reaching 44.9 km/h.

What is the warmest month in San Rafael del Sur?

The warmest month in San Rafael del Sur is April (29.3 °C on average); the coldest is October (26.3 °C).

How much does it rain in San Rafael del Sur?

San Rafael del Sur receives on average 1,325 mm of precipitation per year, spread over about 138 rainy days.

Is it sunny in San Rafael del Sur?

San Rafael del Sur gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

Are there tropical nights in San Rafael del Sur?

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

What was the most extreme apparent temperature in San Rafael del Sur?

In San Rafael del Sur, between 1940 and 2025, the highest apparent temperature reached 42.6 °C on 25 May 1988, and the lowest was 16.4 °C on 6 January 1956.

Compare San Rafael del Sur with another city

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Nearby cities

The climate around San Rafael del Sur

Other cities — Nicaragua