Climate averages 1991–2020
Macapá weather
in May.
A hot, very wet month: the 9th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Macapá: daytime highs average 28.4°C and nights cool to about 23.6°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 357 mm of rain on roughly 30 days, which makes May a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average May day.
The nearest other city in this atlas is Santana (15 km away). In May its highs average 28.6°C, about as warm as Macapá, with 324 mm of rain.
Among the 448 cities listed in Brazil, Macapá ranks joint 98th of 448 for the warmest May highs and 446th of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Macapá is 3.0°C warmer than that mean.
From May to June, average highs rise by 0.3°C to 28.7°C, and monthly rainfall falls from 357 mm to 205 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
Macapá climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.5°C23.5°C | 23.5°C | 274 | 29.2 | 12.112 h |
| February | 28.0°C23.3°C | 23.3°C | 325 | 27.0 | 12.112 h |
| March | 28.1°C23.4°C | 23.4°C | 387 | 29.2 | 12.112 h |
| April | 28.1°C23.4°C | 23.4°C | 384 | 29.2 | 12.112 h |
| May, selected | 28.4°C23.6°C | 23.6°C | 357 | 29.6 | 12.112 h |
| June | 28.7°C23.7°C | 23.7°C | 205 | 27.3 | 12.112 h |
| July | 29.0°C23.7°C | 23.7°C | 155 | 25.8 | 12.112 h |
| August | 30.1°C24.4°C | 24.4°C | 73 | 17.9 | 12.112 h |
| September | 31.2°C24.8°C | 24.8°C | 26 | 8.7 | 12.112 h |
| October | 31.8°C25.0°C | 25.0°C | 17 | 4.5 | 12.112 h |
| November | 31.6°C25.0°C | 25.0°C | 35 | 8.5 | 12.112 h |
| December | 30.1°C24.3°C | 24.3°C | 128 | 22.8 | 12.112 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
- Santana in MayBrazil · 15 kmHigh 28.6°C · Low 23.6°C · 324 mm rain
- Breves in MayBrazil · 202 kmHigh 29.2°C · Low 23.6°C · 286 mm rain
- Cametá in MayBrazil · 308 kmHigh 29.4°C · Low 24.0°C · 267 mm rain
- Abaetetuba in MayBrazil · 312 kmHigh 29.2°C · Low 24.1°C · 242 mm rain
- Barcarena in MayBrazil · 321 kmHigh 29.2°C · Low 24.3°C · 254 mm rain
- Belém in MayBrazil · 330 kmHigh 29.1°C · Low 24.3°C · 256 mm rain
- Moju in MayBrazil · 333 kmHigh 29.5°C · Low 23.3°C · 291 mm rain
- Ananindeua in MayBrazil · 338 kmHigh 29.4°C · Low 23.9°C · 311 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 Macapá) is explained once on the Macapá year overview and on the Sources, method and limits page.