San Gil weather in May

In May, San Gil sees average daytime highs of 24°C and overnight lows near 15°C, with 475 mm of rain across 30.9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 0% of the time in May, and the air most often feels humid.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 18 min by month's end. Set against the rest of the year, May is San Gil's 12th-clearest and 11th-windiest month. For the whole year in context, see San Gil's year-round climate.

Daytime high
24°
4th warmest
Overnight low
15°
12th coldest
Rainfall
475 mm
30.9 wet days
Daylight
12 h 18 min
5:40 AM – 5:58 PM
Cloud cover
95%
12th clearest
Wind
3 km/h
11th windiest
Solar energy
4.96 kWh/m²
Travel score
3.4
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical May day in San Gil reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12415
22415
32415
42415
52415
62415
72415
82415
92415
102415
112415
122415
132415
142415
152415
162415
172415
182415
192415
202415
212415
222415
232415
242415
252415
262315
272315
282315
292315
302315
312315

San Gil weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 14°15626.811.74.2
Feb24° / 15°22125.511.84.0
Mar24° / 15°34730.6123.6
Apr24° / 15°41329.812.13.5
May24° / 15°47530.912.33.4
Jun23° / 15°4823012.43.4
Jul23° / 14°49230.912.33.4
Aug23° / 14°47430.912.23.4
Sep23° / 14°40930123.4
Oct23° / 15°4033111.93.4
Nov23° / 15°29829.811.73.4
Dec23° / 14°19228.711.63.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 1% of May, with mostly cloudy or overcast conditions the remaining 99%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
30100
40100
50100
60100
70100
80100
90100
100100
110100
120100
130100
140100
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Chance of precipitation in May

Any precipitation

San Gil gets around 475 mm of rain over 30.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 100% and peaks near 100% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)
1892
2793
3793
4793
5793
6793
7793
8793
9793
10793
11793
12793
13793
14793
15892
16892
17991
181090
191090
201189
211189
221288
231288
241387
251387
261486
271585
281585
291684
301684
311783

Wind in May

Winds average 3 km/h in May.

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

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 min at the start of May to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over May. Sunrise moves from 5:43 AM to 5:39 AM, and sunset from 5:57 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:435:57
212.25:435:57
312.25:425:57
412.25:425:57
512.25:425:57
612.35:425:57
712.35:415:57
812.35:415:57
912.35:415:57
1012.35:415:57
1112.35:415:57
1212.35:405:57
1312.35:405:57
1412.35:405:57
1512.35:405:58
1612.35:405:58
1712.35:405:58
1812.35:405:58
1912.35:405:58
2012.35:395:58
2112.35:395:58
2212.35:395:59
2312.35:395:59
2412.35:395:59
2512.35:395:59
2612.35:395:59
2712.35:396:00
2812.35:396:00
2912.35:396:00
3012.35:396:00
3112.35:396:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.96 kWh/m².

For context, solar energy here swings from a low near 4.77 kWh/m² to a high of 5.67 kWh/m² in February across the year — May's 4.96 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in May

Is May a good time to visit San Gil?

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

3.4
Sightseeing
6th-best month of the year
2.9
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in San Gil.

What to pack for San Gil in May

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

In May, San Gil sees daytime highs around 24°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 31 days see rain.

rain gearlight clothessun protection

UV index in San Gil in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Gil peaks around February 19 at about 15 (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 19UV 15Dec 13UV 11
UV index (midday)Level
Jan13Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May14Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in San Gil in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in San Gil is worst in March — around 40 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (December, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1738 µg/m³Dec 1018 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb28Moderate
Mar40Poor
Apr29Moderate
May22Moderate
Jun20Moderate
Jul18Moderate
Aug18Moderate
Sep18Moderate
Oct18Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is San Gil?

San Gil sits at 6.6°N, 73.1°W, 1,152 m above sea level, in Colombia. The nearest listed city is Socorro, 17 km away.

Topography around San Gil

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

Within 3 km, the terrain around San Gil has large variations in elevation — a maximum elevation change of 694 m around an average of 1,326 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,755 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,399 m.

The land around San Gil is covered by grassland (50%) and trees (37%) within 3 km, grassland (53%) and trees (46%) within 16 km, and trees (57%) and grassland (41%) within 80 km.

3 km
694 m
16 km
1,755 m
80 km
4,399 m
treesshrubsgrasslandartificial surfaces
May weather nearby: Socorro 17 km · El Carmen de Chucurí 44 km · Málaga 47 km · Piedecuesta 49 km · Floridablanca 56 km · Girón 57 km · Bucaramanga 63 km · Duitama 83 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 Gil (6.5595°, -73.1364°, elevation 1,152 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).