Rioblanco weather in May

In May, Rioblanco sees average daytime highs of 22°C and overnight lows near 13°C, with 68 mm of rain across 12.1 wet days and about 12.2 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 0% of the time in May, and the air most often feels dry.

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 Rioblanco's 12th-clearest and 5th-windiest month. For the whole year in context, see Rioblanco's year-round climate.

Daytime high
22°
9th warmest
Overnight low
13°
12th coldest
Rainfall
68 mm
12.1 wet days
Daylight
12 h 12 min
5:54 AM – 6:04 PM
Cloud cover
90%
12th clearest
Wind
4 km/h
5th windiest
Solar energy
4.44 kWh/m²
Travel score
5.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical May day in Rioblanco reaches about 22°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12113
22213
32213
42213
52213
62213
72213
82213
92213
102213
112213
122213
132213
142213
152213
162213
172213
182213
192213
202213
212213
222213
232213
242213
252213
262213
272213
282213
292213
302213
312213

Rioblanco weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 12°10411.111.86.2
Feb22° / 12°7210.611.96.2
Mar22° / 13°10414.4125.7
Apr22° / 13°1211612.15.1
May22° / 13°6812.112.25.8
Jun22° / 13°19512.26.8
Jul23° / 12°113.412.27.3
Aug24° / 12°61.312.17.8
Sep24° / 13°244.7127.2
Oct23° / 13°14314.611.95.6
Nov21° / 13°21318.511.84.9
Dec22° / 12°14713.711.85.7

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 3% of May, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1298
2298
3298
4298
5298
6298
7298
8298
9199
10199
11199
12199
13199
14298
15298
16298
17298
18397
19397
20397
21397
22496
23496
24496
25496
26595
27595
28595
29595
30595
31595

Chance of precipitation in May

Any precipitation

Rioblanco gets around 68 mm of rain over 12.1 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 38% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
248
347
447
546
645
744
843
942
1041
1140
1239
1338
1437
1537
1636
1736
1835
1935
2035
2135
2234
2334
2434
2534
2633
2733
2832
2931
3030
3129

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
15941
25941
36040
46040
56139
66238
76337
86535
96634
106733
116832
126931
137030
147129
157228
167327
177426
187525
197624
207624
217723
227723
237822
247822
257921
268020
278119
288218
298317
308416
318515

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 5:56 AM to 5:54 AM, and sunset from 6:03 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:566:03
212.15:566:03
312.15:566:03
412.15:566:03
512.15:556:03
612.15:556:03
712.15:556:03
812.15:556:03
912.15:556:03
1012.15:556:03
1112.15:546:03
1212.25:546:03
1312.25:546:03
1412.25:546:03
1512.25:546:04
1612.25:546:04
1712.25:546:04
1812.25:546:04
1912.25:546:04
2012.25:546:04
2112.25:546:04
2212.25:546:04
2312.25:546:04
2412.25:546:04
2512.25:546:05
2612.25:546:05
2712.25:546:05
2812.25:546:05
2912.25:546:05
3012.25:546:05
3112.25:546:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.44 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 5.46 kWh/m² in August across the year — May's 4.44 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in May

Hazard calendar for Rioblanco

In seasonPeak

None of Rioblanco's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Rioblanco's rainy season runs October–January, 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 Rioblanco?

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

5.8
Sightseeing
7th-best month of the year
3.9
Beach & pool
9th-best month of the year

May is a reasonable time to visit Rioblanco for sightseeing.

What to pack for Rioblanco in May

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

In May, Rioblanco sees daytime highs around 22°C and nights near 13°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Rioblanco in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rioblanco peaks around February 22 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 16Dec 11UV 12
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May15Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme

Air quality in Rioblanco 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 Rioblanco is worst in March — around 25 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1525 µg/m³Jul 159 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb22Moderate
Mar25Moderate
Apr19Moderate
May13Moderate
Jun11Good
Jul9Good
Aug12Good
Sep14Moderate
Oct14Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Rioblanco?

Rioblanco sits at 3.5°N, 75.6°W, 1,038 m above sea level, in Colombia. The nearest listed city is Chaparral, 28 km away.

Topography around Rioblanco

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

Within 3 km, the terrain around Rioblanco has large variations in elevation — a maximum elevation change of 976 m around an average of 1,219 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,947 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,060 m.

The land around Rioblanco is covered by trees (59%) and grassland (41%) within 3 km, trees (73%) and grassland (27%) within 16 km, and trees (59%) and grassland (36%) within 80 km.

3 km
976 m
16 km
2,947 m
80 km
5,060 m
treesgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Chaparral 28 km · Planadas 37 km · Natagaima 62 km · Pradera 68 km · Florida 69 km · Miranda 72 km · Palmira 73 km · El Cerrito 76 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 Rioblanco (3.5297°, -75.6453°, elevation 1,038 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).