San Martín weather in April

In April, San Martín sees average daytime highs of 28°C and overnight lows near 20°C, with 276 mm of rain across 24.3 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 2% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of April to 12 h 06 min by month's end. Set against the rest of the year, April is San Martín's 11th-clearest and 6th-windiest month. For the whole year in context, see San Martín's year-round climate.

Daytime high
28°
7th warmest
Overnight low
20°
10th coldest
Rainfall
276 mm
24.3 wet days
Daylight
12 h 06 min
5:53 AM – 5:57 PM
Cloud cover
87%
11th clearest
Wind
3 km/h
6th windiest
Solar energy
4.79 kWh/m²
Travel score
3.6
out of 10

San Martín is village in Meta, Colombia.

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 28°C through the month.

A typical April day in San Martín reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, April runs about 1°C cooler than March and about 1°C warmer than May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820

San Martín weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°367.311.85.2
Feb31° / 20°578.911.94.6
Mar30° / 20°15115.8124.2
Apr28° / 20°27624.312.13.6
May28° / 20°35127.312.23.7
Jun27° / 19°35627.112.23.7
Jul26° / 19°36827.512.23.9
Aug27° / 19°2362512.14.1
Sep28° / 19°17322.8123.9
Oct29° / 20°16822.311.93.8
Nov29° / 20°16019.511.84.2
Dec29° / 20°6211.411.85.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 5% of April, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21189
31090
4991
5892
6892
7892
8892
9793
10694
11694
12694
13694
14694
15595
16595
17595
18595
19595
20595
21595
22595
23595
24595
25595
26595
27595
28595
29595
30595

Chance of precipitation in April

Any precipitation

San Martín gets around 276 mm of rain over 24.3 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 80% and peaks near 85% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
167
268
369
471
572
673
775
876
977
1078
1179
1280
1381
1482
1583
1683
1784
1884
1985
2085
2185
2285
2385
2485
2585
2685
2785
2885
2985
3085

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1322696
2320707
3319717
4217738
5216748
6214768
7213778
8212788
9211798
10110818
1119828
1218838
1318838
1418838
1517857
1617857
1717857
1817857
1917857
2016867
2116867
2216867
2316867
2416867
2505887
2605887
2705887
2805878
2905878
3004888

Wind in April

Winds average 3 km/h in April.

Across April, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in April

DaylightNight

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

Days grow by about 6 minutes over April. Sunrise moves from 5:59 AM to 5:48 AM, and sunset from 6:00 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:596:00
212.05:586:00
312.05:586:00
412.05:576:00
512.05:576:00
612.05:565:59
712.15:565:59
812.15:565:59
912.15:555:59
1012.15:555:59
1112.15:545:58
1212.15:545:58
1312.15:545:58
1412.15:535:58
1512.15:535:58
1612.15:535:57
1712.15:525:57
1812.15:525:57
1912.15:525:57
2012.15:515:57
2112.15:515:57
2212.15:515:57
2312.15:505:56
2412.15:505:56
2512.15:505:56
2612.15:495:56
2712.15:495:56
2812.15:495:56
2912.15:495:56
3012.15:485:56

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.79 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 5.82 kWh/m² in September across the year — April's 4.79 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in April

Hazard calendar for San Martín

In seasonPeak

In April, San Martín sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

San Martín's rainy season runs April–October, when most of the year's rain falls.

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

Is April a good time to visit San Martín?

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

3.6
Sightseeing
12th-best month of the year
4.4
Beach & pool
8th-best month of the year

April is a weaker month for outdoor sightseeing in San Martín.

What to pack for San Martín in April

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

In April, San Martín sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in San Martín in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 11 (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 Martín peaks around February 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 13UV 14Dec 13UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar13Extreme
Apr11Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in San Martín 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 Martín is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (July, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1932 µg/m³Jul 1817 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb23Moderate
Mar33Moderate
Apr27Moderate
May21Moderate
Jun19Moderate
Jul16Moderate
Aug18Moderate
Sep18Moderate
Oct19Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is San Martín?

San Martín sits at 3.7°N, 73.7°W, 425 m above sea level, in Colombia. The nearest listed city is Granada, 17 km away.

SibatéSilvania

Topography around San Martín

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

Within 3 km, the terrain around San Martín has only modest variations in elevation — a maximum elevation change of 70 m around an average of 420 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 429 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,026 m.

The land around San Martín is covered by grassland (68%) and trees (26%) within 3 km, grassland (63%) and trees (33%) within 16 km, and grassland (50%) and trees (48%) within 80 km.

3 km
70 m
16 km
429 m
80 km
4,026 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Granada 17 km · Acacías 33 km · Villavicencio 49 km · Restrepo 64 km · Puerto López 94 km · Fusagasugá 102 km · Sibaté 108 km · Silvania 110 km

Colombia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 / 240 V · 60 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$8,562
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
74%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
15.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 480
Religion
Roman Catholic 64%Protestant 17%none 14%atheist 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 Martín (3.6964°, -73.6996°, elevation 425 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. 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).