Medellin weather in May

In May, Medellin sees average daytime highs of 23°C and overnight lows near 14°C, with 337 mm of rain across 29.5 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 0% of the time in May, and the air most often feels comfortable.

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 Medellin's 12th-clearest and 9th-windiest month. For the whole year in context, see Medellin's year-round climate.

Daytime high
23°
5th warmest
Overnight low
14°
12th coldest
Rainfall
337 mm
29.5 wet days
Daylight
12 h 18 min
5:50 AM – 6:07 PM
Cloud cover
94%
12th clearest
Wind
3 km/h
9th windiest
Solar energy
4.91 kWh/m²
Travel score
3.6
out of 10
Air quality
Elevated
PM2.5 21.4 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 23°C through the month.

A typical May day in Medellin reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°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)
12314
22314
32314
42314
52314
62314
72314
82314
92314
102314
112314
122314
132314
142314
152314
162314
172314
182314
192314
202314
212314
222313
232313
242313
252313
262313
272313
282313
292313
302313
312313

Medellin weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 13°13421.311.74.9
Feb23° / 13°16722.711.84.3
Mar23° / 13°26828.1123.8
Apr23° / 13°33528.612.13.5
May23° / 14°33729.512.33.6
Jun23° / 13°20826.712.43.9
Jul24° / 13°17225.612.34.2
Aug24° / 13°1802512.24.3
Sep23° / 13°24727.2123.8
Oct22° / 13°30729.311.93.6
Nov22° / 13°29428.611.73.5
Dec22° / 13°19223.811.64.4

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 (%)
10100
20100
30100
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
30298
31298

Chance of precipitation in May

Any precipitation

Medellin gets around 337 mm of rain over 29.5 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 95% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
295
395
495
595
695
795
895
994
1094
1194
1294
1394
1494
1594
1694
1794
1894
1994
2094
2194
2295
2395
2495
2595
2695
2795
2895
2994
3094
3194

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
107822
207822
307822
407822
507822
607921
707921
807921
907921
1007921
1107921
1207921
1308020
1408020
1508020
1608119
1708119
1808218
1908218
2008317
2108317
2208416
2308416
2408515
2508515
2608614
2708614
2818613
2918712
3018712
3118811

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
312.25:526:06
412.25:526:06
512.25:526:06
612.25:526:06
712.25:516:06
812.25:516:06
912.35:516:06
1012.35:516:06
1112.35:516:06
1212.35:516:07
1312.35:506:07
1412.35:506:07
1512.35:506:07
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 4.91 kWh/m².

For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 6.15 kWh/m² in August across the year — May's 4.91 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
315.2Bright
Planning a trip in May

Is May a good time to visit Medellin?

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

3.6
Sightseeing
9th-best month of the year
2.8
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Medellin.

What to pack for Medellin in May

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

In May, Medellin sees daytime highs around 23°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 30 days see rain.

rain gearlight clothessun protection

UV index in Medellin 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 Medellin peaks around March 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 10UV 16Dec 11UV 12
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr12Extreme
May14Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Medellin 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 Medellin is worst in March — around 29 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (October, 18 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Medellin's WHO annual average of 21.4 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1529 µg/m³Oct 2118 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb26Moderate
Mar29Moderate
Apr23Moderate
May20Moderate
Jun19Moderate
Jul20Moderate
Aug21Moderate
Sep19Moderate
Oct18Moderate
Nov18Moderate
Dec21Moderate
Location & terrain

Where is Medellin?

Medellin sits at 6.2°N, 75.6°W, 1,405 m above sea level, in Colombia. The nearest listed city is Itagüí, 7.0 km away.

Topography around Medellin

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

Within 3 km, the terrain around Medellin has significant variations in elevation — a maximum elevation change of 448 m around an average of 1,534 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,818 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,588 m.

The land around Medellin is covered by artificial surfaces (74%) and trees (22%) within 3 km, trees (55%) and grassland (28%) within 16 km, and trees (65%) and grassland (33%) within 80 km.

3 km
448 m
16 km
1,818 m
80 km
3,588 m
treesgrasslandartificial surfaceswater
May weather nearby: Itagüí 7.0 km · Envigado 8.0 km · Bello 10 km · Sabaneta 12 km · La Estrella 13 km · Copacabana 13 km · Caldas 19 km · Retiro 22 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 Medellin (6.245°, -75.5715°, elevation 1,405 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).