Climate averages 1991–2020
Rionegro weather
in May.
A mild, very wet month: the 6th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Rionegro: daytime highs average 21.6°C and nights cool to about 13.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 272 mm of rain on roughly 25 days, which makes May a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average May day.
The nearest other city in this atlas is Medellín (24 km away). In May its highs average 24.0°C, 2.3°C warmer than Rionegro, with 337 mm of rain.
Among the 46 cities listed in Colombia, Rionegro ranks 37th of 46 for the warmest May highs and 29th of 46 for the driest May (rainfall, lowest first). The mean May high of those 46 cities is 25.9°C; Rionegro is 4.3°C cooler than that mean.
From May to June, average highs rise by 0.3°C to 21.9°C, and monthly rainfall falls from 272 mm to 105 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rionegro climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.1°C12.9°C | 12.9°C | 141 | 21.3 | 11.812 h |
| February | 21.4°C13.0°C | 13.0°C | 159 | 22.5 | 11.912 h |
| March | 21.7°C13.2°C | 13.2°C | 267 | 27.1 | 12.112 h |
| April | 21.5°C13.5°C | 13.5°C | 319 | 26.0 | 12.312 h |
| May, selected | 21.6°C13.6°C | 13.6°C | 272 | 24.9 | 12.412 h |
| June | 21.9°C13.1°C | 13.1°C | 105 | 17.3 | 12.512 h |
| July | 22.4°C12.7°C | 12.7°C | 69 | 12.2 | 12.412 h |
| August | 23.1°C12.9°C | 12.9°C | 89 | 13.9 | 12.312 h |
| September | 22.3°C13.0°C | 13.0°C | 176 | 21.4 | 12.212 h |
| October | 21.1°C13.1°C | 13.1°C | 332 | 27.7 | 12.012 h |
| November | 20.5°C13.2°C | 13.2°C | 369 | 28.5 | 11.812 h |
| December | 20.8°C13.1°C | 13.1°C | 220 | 23.8 | 11.812 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Medellín in MayColombia · 24 kmHigh 24.0°C · Low 15.6°C · 337 mm rain
- Bello in MayColombia · 29 kmHigh 24.5°C · Low 16.0°C · 337 mm rain
- Caldas in MayColombia · 30 kmHigh 22.3°C · Low 13.8°C · 347 mm rain
- La Dorada in MayColombia · 111 kmHigh 31.3°C · Low 22.5°C · 119 mm rain
- Quibdó in MayColombia · 151 kmHigh 28.4°C · Low 23.0°C · 753 mm rain
- Ibagué in MayColombia · 192 kmHigh 24.8°C · Low 18.5°C · 339 mm rain
- Barrancabermeja in MayColombia · 196 kmHigh 29.9°C · Low 23.6°C · 390 mm rain
- Zipaquirá in MayColombia · 197 kmHigh 18.5°C · Low 10.7°C · 154 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rionegro) is explained once on the Rionegro year overview and on the Sources, method and limits page.