San Carlos weather in March

In March, San Carlos sees average daytime highs of 30°C and overnight lows near 23°C, with 16 mm of rain across 6.6 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 49% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is San Carlos's 2nd-clearest and 3rd-windiest month. For the whole year in context, see San Carlos's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
23°
4th coldest
Rainfall
16 mm
6.6 wet days
Daylight
11 h 54 min
5:51 AM – 5:46 PM
Cloud cover
45%
2nd clearest
Wind
15 km/h
3rd windiest
Solar energy
5.4 kWh/m²
Travel score
5.6
out of 10

San Carlos is Urban area of the San Carlos Municipality in Nicaragua. Seat of the San Carlos Municipality..

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical March day in San Carlos reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, March runs about 1°C warmer than February and about 1°C cooler than April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253123
263123
273123
283124
293124
303124
313124

How March really feels in San Carlos

Once humidity and wind are folded in, March averages 23 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
23
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

San Carlos weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°3614.911.45.8
Feb29° / 23°2510.111.65.7
Mar30° / 23°166.611.95.6
Apr31° / 24°308.712.24.5
May31° / 24°18022.812.53.2
Jun30° / 24°24528.912.62.7
Jul29° / 24°22029.412.62.9
Aug29° / 24°21829.712.42.8
Sep30° / 24°2522912.12.7
Oct29° / 24°26329.111.83.0
Nov29° / 23°14722.611.53.9
Dec28° / 23°641811.45.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 30% of March, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28317
38317
48317
58416
68317
78317
88317
98218
108218
118119
128119
137921
147921
157921
167723
177723
187723
197624
207624
217624
227624
237624
247525
257624
267624
277624
287624
297624
307525
317426

Chance of precipitation in March

Any precipitation

San Carlos gets around 16 mm of rain over 6.6 wet days in March, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 27% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
226
326
426
526
626
726
826
925
1025
1125
1225
1324
1424
1523
1623
1722
1821
1920
2020
2119
2218
2318
2417
2517
2616
2716
2816
2916
3017
3117

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1034156
2034156
3034156
4034156
5144154
6144055
7144055
8144055
9143956
10143956
11144055
12134056
13134056
14034156
15034156
16024256
17024256
18024256
19024256
20024256
21024256
22024256
23024256
24024256
25024256
26014257
27014158
28014059
29013960
30013861
31013663

Wind in March

Winds average 15 km/h in March.

Across March, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over March. Sunrise moves from 5:59 AM to 5:42 AM, and sunset from 5:45 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:595:45
211.85:595:46
311.85:585:46
411.85:585:46
511.85:575:46
611.85:575:46
711.85:565:46
811.85:565:46
911.95:555:46
1011.95:555:46
1111.95:545:46
1211.95:535:46
1311.95:535:46
1411.95:525:46
1511.95:525:46
1611.95:515:46
1711.95:505:46
1811.95:505:47
1912.05:495:47
2012.05:495:47
2112.05:485:47
2212.05:475:47
2312.05:475:47
2412.05:465:47
2512.05:455:47
2612.05:455:47
2712.05:445:47
2812.15:445:47
2912.15:435:47
3012.15:425:47
3112.15:425:47

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.4 kWh/m².

For context, solar energy here swings from a low near 3.57 kWh/m² to a high of 5.62 kWh/m² in April across the year — March's 5.4 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in March

Hazard calendar for San Carlos

In seasonPeak

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

San Carlos sits in the Atlantic hurricane belt; the season peaks August–October.

San Carlos's rainy season runs May–November, when most of the year's rain falls.

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

Is March a good time to visit San Carlos?

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

5.6
Sightseeing
3rd-best month of the year
7.6
Beach & pool
1st-best month of the year

March is a reasonable time to visit San Carlos for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Carlos in March

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

In March, San Carlos sees daytime highs around 30°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in San Carlos in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 14 (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 Carlos peaks around March 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 19UV 14Dec 16UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov10Extreme
Dec9Very high

Air quality in San Carlos in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in San Carlos is worst in July — around 24 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1623 µg/m³Dec 127 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar10Good
Apr18Moderate
May22Moderate
Jun20Moderate
Jul24Moderate
Aug19Moderate
Sep13Moderate
Oct10Good
Nov7Good
Dec7Good
Location & terrain

Where is San Carlos?

San Carlos sits at 11.1°N, 84.8°W, 0 m above sea level, in Nicaragua. The nearest listed city is El Castillo, 43 km away.

El CastilloSan JoséNueva GuineaLiberia

Topography around San Carlos

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

Within 3 km, the terrain around San Carlos has only modest variations in elevation — a maximum elevation change of 67 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 152 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,960 m.

The land around San Carlos is covered by water (46%) and trees (35%) within 3 km, water (39%), grassland (30%) and trees (29%) within 16 km, and trees (52%) and grassland (28%) within 80 km.

3 km
67 m
16 km
152 m
80 km
1,960 m
treesgrasslandcroplandartificial surfaceswaterwetland
March weather nearby: El Castillo 43 km · San José 44 km · Nueva Guinea 72 km · La Fortuna 74 km · Cañas 85 km · Liberia 90 km · Monteverde 91 km · Quesada 97 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 Carlos (11.1271°, -84.7779°, elevation 0 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). 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).