San Marcos weather in March

In March, San Marcos sees average daytime highs of 33°C and overnight lows near 22°C, with 5 mm of rain across 1.3 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 74% of the time in March, and the air most often feels muggy.

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 Marcos's 2nd-clearest and 3rd-windiest month. For the whole year in context, see San Marcos's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
22°
4th coldest
Rainfall
5 mm
1.3 wet days
Daylight
11 h 54 min
5:57 AM – 5:52 PM
Cloud cover
29%
2nd clearest
Wind
17 km/h
3rd windiest
Solar energy
6.75 kWh/m²
Travel score
4.6
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 March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical March day in San Marcos reaches about 33°C in the afternoon and slips back to 22°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°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)
13222
23222
33222
43222
53222
63222
73222
83222
93222
103222
113322
123322
133322
143322
153322
163322
173322
183322
193322
203322
213322
223322
233322
243322
253322
263322
273322
283322
293323
303423
313423

How March really feels in San Marcos

Once humidity and wind are folded in, March averages 31 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
31
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 Marcos weather by month

How March compares with the rest of the year at a glance. March is the 2nd-warmest and 10th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 12%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
39010
49010
59010
69010
7919
8919
9919
109010
118911
128911
138911
148911
158911
168812
178812
188812
198713
208713
218713
228713
238713
248614
258614
268614
278614
288515
298416
308416
318317

Chance of precipitation in March

Any precipitation

San Marcos gets around 5 mm of rain over 1.3 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
53
63
73
83
94
104
114
124
134
145
155
165
175
185
196
206
216
226
236
246
256
266
276
286
296
307
317

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11539532
21539532
31639522
41639522
51639522
61638532
71738522
81738522
91738522
101737523
111737523
121737523
131638523
141638523
151638523
161638514
170638524
180638524
190538534
200538534
210538534
220538534
230438544
240438544
250438544
260337564
270336574
280336574
290234595
300233605
310232615

Wind in March

Winds average 17 km/h in March.

Across March, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light 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 6:05 AM to 5:47 AM, and sunset from 5:51 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:055:51
211.86:055:51
311.86:045:51
411.86:045:51
511.86:035:51
611.86:035:51
711.86:025:51
811.86:025:51
911.86:015:52
1011.96:015:52
1111.96:005:52
1211.95:595:52
1311.95:595:52
1411.95:585:52
1511.95:585:52
1611.95:575:52
1711.95:565:52
1811.95:565:52
1912.05:555:52
2012.05:545:52
2112.05:545:52
2212.05:535:52
2312.05:525:52
2412.05:525:52
2512.05:515:52
2612.05:505:52
2712.05:505:52
2812.15:495:52
2912.15:485:52
3012.15:485:52
3112.15:475:52

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.75 kWh/m².

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 — March's 6.75 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in March

Hazard calendar for San Marcos

In seasonPeak

None of San Marcos'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 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 March a good time to visit San Marcos?

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

4.6
Sightseeing
4th-best month of the year
8.0
Beach & pool
4th-best month of the year

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

What to pack for San Marcos in March

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

In March, San Marcos sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near San Marcos in March

The nearest coast averages about 26°C in March — 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 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 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 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 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
March 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).