Climate averages 1991–2020
Belém weather
in October.
A hot, fairly dry month: the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Belém: daytime highs average 32.1°C and nights cool to about 24.8°C. By daytime temperature it is the warmest month of the year.
Expect about 27 mm of rain on roughly 6 days, which makes October a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 09 min on an average October day.
The nearest other city in this atlas is Barcarena (15 km away). In October its highs average 32.1°C, about as warm as Belém, with 20 mm of rain.
Among the 448 cities listed in Brazil, Belém ranks joint 63rd of 448 for the warmest October highs and 65th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Belém is 3.8°C warmer than that mean.
From October to November, average highs fall by 0.2°C to 31.9°C, and monthly rainfall rises from 27 mm to 44 mm.
The annual picture
October 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
Belém climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.1°C24.3°C | 24.3°C | 232 | 27.0 | 12.212 h |
| February | 28.6°C24.1°C | 24.1°C | 317 | 27.2 | 12.212 h |
| March | 28.5°C24.1°C | 24.1°C | 404 | 30.4 | 12.112 h |
| April | 28.6°C24.2°C | 24.2°C | 394 | 29.4 | 12.112 h |
| May | 29.1°C24.3°C | 24.3°C | 256 | 26.9 | 12.112 h |
| June | 29.5°C24.3°C | 24.3°C | 107 | 20.0 | 12.012 h |
| July | 29.8°C24.1°C | 24.1°C | 68 | 15.0 | 12.012 h |
| August | 30.9°C24.4°C | 24.4°C | 36 | 10.0 | 12.112 h |
| September | 31.7°C24.6°C | 24.6°C | 24 | 6.7 | 12.112 h |
| October, selected | 32.1°C24.8°C | 24.8°C | 27 | 6.4 | 12.112 h |
| November | 31.9°C25.0°C | 25.0°C | 44 | 7.3 | 12.212 h |
| December | 30.7°C24.9°C | 24.9°C | 108 | 17.8 | 12.212 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
October in nearby cities
- Barcarena in OctoberBrazil · 15 kmHigh 32.1°C · Low 25.0°C · 20 mm rain
- Ananindeua in OctoberBrazil · 18 kmHigh 32.5°C · Low 24.4°C · 40 mm rain
- Marituba in OctoberBrazil · 21 kmHigh 32.9°C · Low 24.2°C · 40 mm rain
- Santa Isabel do Pará in OctoberBrazil · 42 kmHigh 32.6°C · Low 24.0°C · 40 mm rain
- Abaetetuba in OctoberBrazil · 51 kmHigh 32.7°C · Low 25.0°C · 21 mm rain
- Moju in OctoberBrazil · 56 kmHigh 33.7°C · Low 24.2°C · 35 mm rain
- Castanhal in OctoberBrazil · 67 kmHigh 33.1°C · Low 23.7°C · 34 mm rain
- Cametá in OctoberBrazil · 141 kmHigh 33.6°C · Low 25.0°C · 34 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 Belém) is explained once on the Belém year overview and on the Sources, method and limits page.