Climate averages 1991–2020
Colón weather
in May.
A hot, very wet month: the 2nd warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Colón: daytime highs average 28.4°C and nights cool to about 24.7°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 284 mm of rain on roughly 29 days, which makes May a very wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 33 min on an average May day.
The nearest other city in this atlas is Arraiján (55 km away). In May its highs average 28.3°C, about as warm as Colón, with 234 mm of rain.
Among the 6 cities listed in Panama, Colón ranks 5th of 6 for the warmest May highs and 5th of 6 for the driest May (rainfall, lowest first). The mean May high of those 6 cities is 29.0°C; Colón is 0.5°C cooler than that mean.
From May to June, average highs stay level at 28.5°C, and monthly rainfall rises from 284 mm to 289 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
Colón climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.4°C24.8°C | 24.8°C | 63 | 15.4 | 11.612 h |
| February | 27.6°C24.8°C | 24.8°C | 36 | 9.9 | 11.812 h |
| March | 27.9°C24.9°C | 24.9°C | 41 | 11.6 | 12.112 h |
| April | 28.3°C25.1°C | 25.1°C | 127 | 20.1 | 12.312 h |
| May, selected | 28.4°C24.7°C | 24.7°C | 284 | 29.4 | 12.513 h |
| June | 28.5°C24.5°C | 24.5°C | 289 | 29.4 | 12.713 h |
| July | 28.1°C24.4°C | 24.4°C | 334 | 30.5 | 12.613 h |
| August | 28.2°C24.3°C | 24.3°C | 325 | 30.6 | 12.412 h |
| September | 28.3°C24.2°C | 24.2°C | 300 | 29.5 | 12.212 h |
| October | 28.1°C24.1°C | 24.1°C | 320 | 30.1 | 11.912 h |
| November | 27.5°C24.0°C | 24.0°C | 341 | 29.0 | 11.712 h |
| December | 27.4°C24.6°C | 24.6°C | 190 | 25.5 | 11.612 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
- Arraiján in MayPanama · 55 kmHigh 28.3°C · Low 23.9°C · 234 mm rain
- Panama City in MayPanama · 58 kmHigh 29.1°C · Low 24.6°C · 221 mm rain
- San Miguelito in MayPanama · 58 kmHigh 29.7°C · Low 24.3°C · 221 mm rain
- Juan Díaz in MayPanama · 62 kmHigh 29.1°C · Low 24.4°C · 221 mm rain
- David in MayPanama · 297 kmHigh 29.1°C · Low 22.6°C · 450 mm rain
- Apartadó in MayColombia · 396 kmHigh 29.4°C · Low 24.2°C · 258 mm rain
- Chigorodó in MayColombia · 401 kmHigh 29.2°C · Low 23.1°C · 444 mm rain
- Montería in MayColombia · 447 kmHigh 30.3°C · Low 23.8°C · 286 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 Colón) is explained once on the Colón year overview and on the Sources, method and limits page.