Flandes weather in May

In May, Flandes sees average daytime highs of 29°C and overnight lows near 22°C, with 679 mm of rain across 30.3 wet days and about 12.2 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 0% of the time in May, and the air most often feels muggy.

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

Daytime high
29°
10th warmest
Overnight low
22°
8th coldest
Rainfall
679 mm
30.3 wet days
Daylight
12 h 12 min
5:50 AM – 6:01 PM
Cloud cover
93%
12th clearest
Wind
4 km/h
9th windiest
Solar energy
3.98 kWh/m²
Travel score
2.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Flandes reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202921
212921
222921
232921
242921
252921
262921
272921
282821
292821
302821
312821

Flandes weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°12516.511.84.1
Feb30° / 22°19117.611.93.6
Mar30° / 22°32225.1123.1
Apr29° / 22°5372812.12.9
May29° / 22°67930.312.22.9
Jun28° / 21°64329.812.22.9
Jul28° / 20°53030.512.23.0
Aug29° / 21°34428.512.13.0
Sep29° / 21°28826.3123.1
Oct29° / 21°30026.711.93.2
Nov29° / 22°25323.911.83.5
Dec29° / 22°20020.911.83.8

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
40100
50100
60100
70100
80100
90100
100100
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

Flandes gets around 679 mm of rain over 30.3 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 98% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
197
297
397
497
597
698
798
898
998
1098
1198
1298
1399
1499
1599
1699
1799
1898
1998
2098
2198
2298
2398
2498
2598
2698
2798
2898
2998
3098
3198

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
16238
26238
36139
46139
56040
66040
76040
85941
95941
105941
115941
125941
135941
146040
156040
166139
176238
186238
196337
206436
216535
226634
236832
246931
257030
267228
277327
287426
297525
307723
317822

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 4 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
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 5:52 AM to 5:50 AM, and sunset from 6:01 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:526:01
212.25:526:01
312.25:526:01
412.25:516:01
512.25:516:01
612.25:516:01
712.25:516:01
812.25:516:01
912.25:506:01
1012.25:506:01
1112.25:506:01
1212.25:506:01
1312.25:506:01
1412.25:506:01
1512.25:506:01
1612.25:506:01
1712.25:506:01
1812.25:506:02
1912.25:506:02
2012.25:496:02
2112.25:496:02
2212.25:496:02
2312.25:496:02
2412.25:496:02
2512.25:496:02
2612.25:506:03
2712.25:506:03
2812.25:506:03
2912.25:506:03
3012.25:506:03
3112.25:506:03

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.98 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.98 kWh/m² to a high of 5.05 kWh/m² in September across the year — May's 3.98 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Moderate
74.0Moderate
84.0Moderate
94.0Moderate
104.0Moderate
114.0Moderate
124.0Moderate
134.0Moderate
144.0Moderate
154.0Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Moderate
234.0Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Moderate
284.0Bright
294.0Bright
304.0Bright
314.0Bright
Planning a trip in May

Hazard calendar for Flandes

In seasonPeak

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

Flandes's rainy season runs March–August, 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 Flandes?

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

2.9
Sightseeing
10th-best month of the year
3.6
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Flandes.

What to pack for Flandes in May

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

In May, Flandes sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

UV index in Flandes in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Flandes 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 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highFeb 17UV 14Dec 15UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr11Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec9Very high

Air quality in Flandes 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 Flandes is worst in March — around 40 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (July, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1640 µg/m³Jul 1521 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb36Poor
Mar40Poor
Apr35Moderate
May28Moderate
Jun24Moderate
Jul21Moderate
Aug25Moderate
Sep31Moderate
Oct29Moderate
Nov28Moderate
Dec31Moderate
Location & terrain

Where is Flandes?

Flandes sits at 4.3°N, 74.8°W, 285 m above sea level, in Colombia. The nearest listed city is Girardot City, 2.0 km away.

Topography around Flandes

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

Within 3 km, the terrain around Flandes has only modest variations in elevation — a maximum elevation change of 197 m around an average of 297 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 789 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,002 m.

The land around Flandes is covered by trees (33%), grassland (29%) and artificial surfaces (28%) within 3 km, trees (46%) and grassland (40%) within 16 km, and trees (55%) and grassland (38%) within 80 km.

3 km
197 m
16 km
789 m
80 km
5,002 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Girardot City 2.0 km · Espinal 17 km · Melgar 22 km · Payandé 31 km · Guamo 34 km · Ibagué 46 km · Rovira 47 km · Silvania 49 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 Flandes (4.29°, -74.8161°, elevation 285 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).