San Rafael del Sur weather in April

In April, San Rafael del Sur sees average daytime highs of 34°C and overnight lows near 26°C, with 20 mm of rain across 4.2 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 55% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 24 min by month's end. Set against the rest of the year, April is San Rafael del Sur's 5th-clearest and 5th-windiest month. For the whole year in context, see San Rafael del Sur's year-round climate.

Daytime high
34°
1st warmest
Overnight low
26°
12th coldest
Rainfall
20 mm
4.2 wet days
Daylight
12 h 18 min
5:38 AM – 5:54 PM
Cloud cover
41%
5th clearest
Wind
16 km/h
5th windiest
Solar energy
6.96 kWh/m²
Travel score
3.4
out of 10

San Rafael del Sur is Town in Nicaragua, seat of the second admin division Municipio de San Rafael del Sur.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical April day in San Rafael del Sur reaches about 34°C in the afternoon and slips back to 26°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 35°C. Set against its neighbours, April runs on par with March and about 2°C warmer than May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103425
113425
123426
133426
143426
153426
163426
173426
183426
193426
203426
213426
223426
233426
243426
253426
263426
273426
283426
293426
303426

How April really feels in San Rafael del Sur

Once humidity and wind are folded in, April averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Rafael del Sur weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°10.311.45.1
Feb33° / 24°10.311.64.8
Mar34° / 25°20.711.94.2
Apr34° / 26°204.212.33.4
May33° / 26°19017.912.52.9
Jun31° / 25°2002012.73.1
Jul32° / 25°9311.912.63.7
Aug32° / 25°1441712.43.3
Sep31° / 25°25624.212.12.9
Oct30° / 24°31124.611.73.2
Nov31° / 24°769.111.54.5
Dec32° / 24°61.111.35.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28416
38218
48218
58218
68119
78119
88020
97921
107921
117921
127822
137723
147723
157624
167525
177426
187327
197228
207030
216832
226634
236535
246337
256238
266040
275941
285842
295644
305545

Chance of precipitation in April

Any precipitation

San Rafael del Sur gets around 20 mm of rain over 4.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 14% and peaks near 31% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
15
25
36
46
56
67
77
87
98
108
118
128
139
149
1510
1610
1711
1812
1913
2015
2116
2218
2320
2422
2524
2625
2727
2829
2930
3031

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the muggy band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
112064150
211965150
311865160
411765170
511666170
611566180
711466190
811466190
911366200
1011365210
1111265220
1211264230
1311263240
1411163250
1511162260
1611159281
1711158291
1811058301
1911055322
201955332
211952353
221950364
230849384
240847405
250746425
260744436
270643456
280541477
290540487
300439507

Wind in April

Winds average 16 km/h in April.

Across April, daily wind ranges from about 14 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over April. Sunrise moves from 5:47 AM to 5:31 AM, and sunset from 5:53 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:475:53
212.15:475:53
312.15:465:53
412.15:455:53
512.15:455:53
612.25:445:53
712.25:445:53
812.25:435:54
912.25:425:54
1012.25:425:54
1112.25:415:54
1212.25:405:54
1312.25:405:54
1412.25:395:54
1512.35:395:54
1612.35:385:54
1712.35:385:54
1812.35:375:54
1912.35:365:54
2012.35:365:54
2112.35:355:54
2212.35:355:54
2312.35:345:54
2412.35:345:55
2512.45:335:55
2612.45:335:55
2712.45:325:55
2812.45:325:55
2912.45:315:55
3012.45:315:55

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.96 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 6.96 kWh/m² in April across the year — April's 6.96 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.1Intense
47.1Intense
57.1Intense
67.1Intense
77.1Intense
87.1Intense
97.1Intense
107.1Intense
117.1Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
206.9Intense
216.9Intense
226.9Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in April

Hazard calendar for San Rafael del Sur

In seasonPeak

None of San Rafael del Sur's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

San Rafael del Sur sits in the Atlantic hurricane belt; the season peaks August–October.

San Rafael del Sur's monsoon runs August–October, when most of the year's rain falls.

Atlantic hurricane
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit San Rafael del Sur?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.4
Sightseeing
7th-best month of the year
6.9
Beach & pool
5th-best month of the year

April is a weaker month for outdoor sightseeing in San Rafael del Sur. The water and warmth also suit a beach or pool day.

What to pack for San Rafael del Sur in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, San Rafael del Sur sees daytime highs around 34°C and nights near 26°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near San Rafael del Sur in April

The nearest coast averages about 28°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in September at about 29°C and coldest in February near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in San Rafael del Sur in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Rafael del Sur peaks around March 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 22UV 14Dec 14UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in San Rafael del Sur in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in San Rafael del Sur is worst in July — around 25 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (January, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1625 µg/m³Jan 187 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar10Good
Apr21Moderate
May24Moderate
Jun21Moderate
Jul25Moderate
Aug20Moderate
Sep15Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is San Rafael del Sur?

San Rafael del Sur sits at 11.8°N, 86.4°W, 126 m above sea level, in Nicaragua. The nearest listed city is El Crucero, 21 km away.

MasatepeCiudad SandinoManaguaMasaya

Topography around San Rafael del Sur

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Rafael del Sur.

Within 3 km, the terrain around San Rafael del Sur has only modest variations in elevation — a maximum elevation change of 152 m around an average of 119 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 693 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,305 m.

The land around San Rafael del Sur is covered by trees (48%) and grassland (40%) within 3 km, trees (54%) and grassland (29%) within 16 km, and water (46%) and trees (30%) within 80 km.

3 km
152 m
16 km
693 m
80 km
1,305 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: El Crucero 21 km · Diriamba 22 km · Jinotepe 26 km · San Marcos 26 km · Masatepe 33 km · Ciudad Sandino 36 km · Managua 38 km · Masaya 40 km

Nicaragua travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$3,173
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
11.3
per 100k, 2021
Road deaths
16.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 512
Religion
Roman Catholic 45%Protestant 39%none 14%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San Rafael del Sur (11.8485°, -86.4384°, elevation 126 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).