Caldas weather in May

In May, Caldas sees average daytime highs of 25°C and overnight lows near 15°C, with 347 mm of rain across 28.8 wet days and about 12.3 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°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 Caldas's 12th-clearest and 5th-windiest month. For the whole year in context, see Caldas's year-round climate.

Daytime high
25°
9th warmest
Overnight low
15°
12th coldest
Rainfall
347 mm
28.8 wet days
Daylight
12 h 18 min
5:50 AM – 6:07 PM
Cloud cover
94%
12th clearest
Wind
3 km/h
5th windiest
Solar energy
4.66 kWh/m²
Travel score
3.7
out of 10
Air quality
Elevated
PM2.5 21.8 µg/m³ · 2019

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical May day in Caldas reaches about 25°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 27°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)
12515
22515
32515
42515
52515
62515
72515
82515
92515
102515
112515
122515
132515
142515
152515
162515
172515
182515
192515
202515
212515
222515
232515
242515
252515
262515
272515
282515
292515
302515
312515

Caldas weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 15°1111811.75.4
Feb25° / 15°13619.311.84.9
Mar25° / 15°21425.6124.2
Apr25° / 15°29027.912.13.7
May25° / 15°34728.812.33.7
Jun25° / 15°23926.212.33.9
Jul26° / 14°19824.412.34.2
Aug26° / 14°19723.612.24.2
Sep26° / 15°25326.4123.9
Oct24° / 15°30228.411.93.8
Nov24° / 15°27527.611.73.8
Dec25° / 15°17021.911.74.8

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
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Chance of precipitation in May

Any precipitation

Caldas gets around 347 mm of rain over 28.8 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
493
593
693
793
892
992
1092
1192
1292
1392
1491
1591
1691
1791
1891
1992
2092
2192
2292
2393
2493
2593
2693
2793
2893
2993
3093
3192

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
16940
25950
35950
45950
55950
65950
75950
85950
94960
104960
114960
124960
134960
144960
155950
165950
175941
186931
196931
206931
216931
226931
236931
247921
257930
267930
277930
288920
298920
309910
319910

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 5:53 AM to 5:50 AM, and sunset from 6:06 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:536:06
212.25:536:06
312.25:536:06
412.25:536:06
512.25:526:06
612.25:526:06
712.25:526:06
812.25:526:06
912.25:526:06
1012.35:516:06
1112.35:516:07
1212.35:516:07
1312.35:516:07
1412.35:516:07
1512.35:516:07
1612.35:506:07
1712.35:506:07
1812.35:506:07
1912.35:506:07
2012.35:506:08
2112.35:506:08
2212.35:506:08
2312.35:506:08
2412.35:506:08
2512.35:506:08
2612.35:506:09
2712.35:506:09
2812.35:506:09
2912.35:506:09
3012.35:506:09
3112.35:506:10

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 4.12 kWh/m² to a high of 5.89 kWh/m² in August across the year — May's 4.66 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
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
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.9Bright
Planning a trip in May

Is May a good time to visit Caldas?

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

3.7
Sightseeing
11th-best month of the year
3.3
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Caldas.

What to pack for Caldas in May

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

In May, Caldas sees daytime highs around 25°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 29 days see rain.

rain gearlight clothessun protection

UV index in Caldas 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 Caldas peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 15Dec 12UV 12
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May14Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Caldas 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 Caldas is worst in March — around 30 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (October, 18 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Caldas's WHO annual average of 21.8 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1529 µg/m³Oct 2218 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb26Moderate
Mar30Moderate
Apr24Moderate
May21Moderate
Jun20Moderate
Jul20Moderate
Aug21Moderate
Sep20Moderate
Oct18Moderate
Nov18Moderate
Dec21Moderate
Location & terrain

Where is Caldas?

Caldas sits at 6.1°N, 75.6°W, 1,756 m above sea level, in Colombia. The nearest listed city is Sabaneta, 7.0 km away.

Topography around Caldas

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

Within 3 km, the terrain around Caldas has large variations in elevation — a maximum elevation change of 763 m around an average of 1,916 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,342 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,581 m.

The land around Caldas is covered by trees (67%) and grassland (23%) within 3 km, trees (72%) and grassland (21%) within 16 km, and trees (69%) and grassland (30%) within 80 km.

3 km
763 m
16 km
2,342 m
80 km
3,581 m
treesgrasslandartificial surfaceswater
May weather nearby: Sabaneta 7.0 km · La Estrella 7.0 km · Envigado 11 km · Itagüí 11 km · Retiro 15 km · Medellin 19 km · Fredonia 19 km · La Ceja 23 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 Caldas (6.0911°, -75.6357°, elevation 1,756 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).