Guamo weather in May

In May, Guamo sees average daytime highs of 32°C and overnight lows near 23°C, with 169 mm of rain across 21 wet days and about 12.2 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 0% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of May to 12 h 12 min by month's end. Set against the rest of the year, May is Guamo's 12th-clearest and 5th-windiest month. For the whole year in context, see Guamo's year-round climate.

Daytime high
32°
10th warmest
Overnight low
23°
6th coldest
Rainfall
169 mm
21 wet days
Daylight
12 h 12 min
5:51 AM – 6:02 PM
Cloud cover
91%
12th clearest
Wind
4 km/h
5th windiest
Solar energy
4.66 kWh/m²
Travel score
2.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical May day in Guamo reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, May runs on par with April and about 1°C cooler than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How May really feels in Guamo

Once humidity and wind are folded in, May 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Guamo weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°326.711.83.6
Feb34° / 24°488.611.93.1
Mar33° / 23°10415.5122.9
Apr32° / 23°18121.412.12.7
May32° / 23°1692112.22.8
Jun33° / 23°10214.312.23.0
Jul34° / 23°6411.112.22.9
Aug35° / 23°376.812.12.6
Sep35° / 23°5910122.5
Oct33° / 23°12117.311.92.9
Nov31° / 23°11918.611.83.3
Dec32° / 23°6911.711.83.7

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 2% of May, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17298
18298
19298
20298
21298
22298
23397
24397
25397
26397
27397
28397
29397
30397
31496

Chance of precipitation in May

Any precipitation

Guamo gets around 169 mm of rain over 21 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 67% and peaks near 75% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
175
274
373
473
572
671
770
869
969
1068
1168
1267
1367
1466
1566
1666
1766
1865
1965
2066
2166
2266
2366
2465
2565
2665
2764
2863
2962
3062
3161

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
123464
233463
333463
433463
533562
633562
733661
833661
943759
1043759
1143858
1243858
1343957
1444056
1544155
1644254
1744353
1844452
1944452
2044551
2144551
2244650
2344650
2444749
2544748
2654847
2754946
2855045
2965143
3065242
3175340

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 06 min at the start of May to 12 h 12 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 5:53 AM to 5:51 AM, and sunset from 6:01 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:536:01
212.15:536:01
312.15:526:01
412.15:526:01
512.25:526:01
612.25:526:01
712.25:526:01
812.25:526:01
912.25:516:01
1012.25:516:01
1112.25:516:01
1212.25:516:01
1312.25:516:01
1412.25:516:01
1512.25:516:02
1612.25:516:02
1712.25:516:02
1812.25:516:02
1912.25:516:02
2012.25:506:02
2112.25:506:02
2212.25:506:02
2312.25:506:02
2412.25:506:03
2512.25:506:03
2612.25:516:03
2712.25:516:03
2812.25:516:03
2912.25:516:03
3012.25:516:04
3112.25:516:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.66 kWh/m².

For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 5.62 kWh/m² in September across the year — May's 4.66 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Guamo

In seasonPeak

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

Guamo's rainy season runs March–June, when most of the year's rain falls.

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

Is May a good time to visit Guamo?

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

2.8
Sightseeing
9th-best month of the year
4.5
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Guamo.

What to pack for Guamo in May

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

In May, Guamo sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Guamo 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 Guamo peaks around February 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 14Dec 15UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr10Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec10Very high

Air quality in Guamo 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 Guamo is worst in March — around 35 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (July, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1234 µg/m³Jul 1315 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb33Moderate
Mar35Moderate
Apr27Moderate
May19Moderate
Jun16Moderate
Jul14Moderate
Aug18Moderate
Sep22Moderate
Oct20Moderate
Nov22Moderate
Dec21Moderate
Location & terrain

Where is Guamo?

Guamo sits at 4.0°N, 75.0°W, 323 m above sea level, in Colombia. The nearest listed city is Espinal, 16 km away.

Topography around Guamo

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

Within 3 km, the terrain around Guamo has only modest variations in elevation — a maximum elevation change of 36 m around an average of 318 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 380 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,960 m.

The land around Guamo is covered by grassland (59%) and trees (32%) within 3 km, grassland (43%), cropland (30%) and trees (25%) within 16 km, and trees (56%) and grassland (38%) within 80 km.

3 km
36 m
16 km
380 m
80 km
4,960 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Espinal 16 km · Purificación 20 km · Payandé 33 km · Flandes 34 km · Girardot City 35 km · Rovira 38 km · Melgar 41 km · Natagaima 48 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 Guamo (4.0308°, -74.9701°, elevation 323 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).