San Marcos weather in April

In April, San Marcos sees average daytime highs of 34°C and overnight lows near 23°C, with 32 mm of rain across 5.7 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 50% 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 Marcos's 5th-clearest and 5th-windiest month. For the whole year in context, see San Marcos's year-round climate.

Daytime high
34°
1st warmest
Overnight low
23°
11th coldest
Rainfall
32 mm
5.7 wet days
Daylight
12 h 18 min
5:37 AM – 5:53 PM
Cloud cover
46%
5th clearest
Wind
14 km/h
5th windiest
Solar energy
6.8 kWh/m²
Travel score
3.5
out of 10

San Marcos is urban area and municipal seat Carazo Department, Nicaragua.

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 Marcos reaches about 34°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, April runs about 1°C warmer than March and about 2°C warmer than May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13423
23423
33423
43423
53423
63423
73423
83423
93423
103423
113423
123423
133423
143423
153423
163423
173423
183423
193423
203423
213423
223424
233424
243424
253424
263424
273424
283424
293424
303424

How April really feels in San Marcos

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 Marcos 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
Jan31° / 22°40.911.46.0
Feb32° / 22°30.711.65.5
Mar33° / 22°51.311.94.6
Apr34° / 23°325.712.33.5
May32° / 24°23820.112.52.9
Jun30° / 23°28124.712.73.0
Jul30° / 23°17621.212.63.5
Aug31° / 23°23224.312.43.1
Sep30° / 23°3182812.12.7
Oct30° / 22°31826.711.73.1
Nov30° / 22°1021311.54.6
Dec30° / 22°132.611.35.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18218
28119
38020
48020
57921
67822
77822
87723
97624
107525
117426
127426
137228
147228
157030
166931
176832
186634
196535
206337
216238
226040
235842
245644
255545
265446
275248
285149
295050
304951

Chance of precipitation in April

Any precipitation

San Marcos gets around 32 mm of rain over 5.7 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 19% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
17
28
38
48
59
69
710
810
910
1011
1111
1212
1313
1414
1515
1616
1717
1818
1920
2021
2123
2225
2328
2430
2531
2633
2735
2837
2938
3040

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11316260
21296460
31286470
41276570
51256680
61246780
71246690
81236790
912267100
1012267100
1112168100
1212167110
1312167110
1412166120
1512066130
1612066130
1712065140
1812064150
1911962171
2011961181
2111860201
2211759221
2311658232
2411557252
2511456272
2611355292
2711255302
2811153323
291953343
301952353

Wind in April

Winds average 14 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3012light 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 5:46 AM to 5:30 AM, and sunset from 5:52 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:465:52
212.15:465:52
312.15:455:52
412.15:455:53
512.15:445:53
612.25:435:53
712.25:435:53
812.25:425:53
912.25:415:53
1012.25:415:53
1112.25:405:53
1212.25:395:53
1312.25:395:53
1412.25:385:53
1512.35:385:53
1612.35:375:53
1712.35:375:53
1812.35:365:53
1912.35:355:53
2012.35:355:53
2112.35:345:53
2212.35:345:53
2312.35:335:54
2412.35:335:54
2512.45:325:54
2612.45:325:54
2712.45:315:54
2812.45:315:54
2912.45:305:54
3012.45:305:54

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.8 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 6.8 kWh/m² in April across the year — April's 6.8 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
116.9Intense
126.9Intense
136.9Intense
146.9Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.6Intense
276.6Intense
286.6Intense
296.5Intense
306.5Intense
Planning a trip in April

Hazard calendar for San Marcos

In seasonPeak

None of San Marcos'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 Marcos sits in the Atlantic hurricane belt; the season peaks August–October.

San Marcos's monsoon runs May–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 Marcos?

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

3.5
Sightseeing
6th-best month of the year
6.8
Beach & pool
5th-best month of the year

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

What to pack for San Marcos in April

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

In April, San Marcos sees daytime highs around 34°C and nights near 23°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near San Marcos in April

The nearest coast averages about 27°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 37 km away) is warmest in September at about 29°C and coldest in February near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb26Warm
Mar26Warm
Apr27Warm
May29Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec27Warm

UV index in San Marcos 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 Marcos 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 Marcos 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 Marcos 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 Marcos?

San Marcos sits at 11.9°N, 86.2°W, 554 m above sea level, in Nicaragua. The nearest listed city is Masatepe, 6.0 km away.

Topography around San Marcos

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

Within 3 km, the terrain around San Marcos has significant variations in elevation — a maximum elevation change of 278 m around an average of 556 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 863 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,591 m.

The land around San Marcos is covered by trees (85%) within 3 km, trees (77%) within 16 km, and water (43%), trees (31%) and grassland (20%) within 80 km.

3 km
278 m
16 km
863 m
80 km
1,591 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Masatepe 6.0 km · Jinotepe 7.0 km · Diriamba 7.0 km · Masaya 14 km · El Crucero 15 km · Nandaime 24 km · Managua 25 km · San Rafael del Sur 26 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 Marcos (11.9095°, -86.2035°, elevation 554 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).