Climate averages 1991–2020
São José de Ribamar weather
in October.
A hot, fairly dry month: the 2nd 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 São José de Ribamar: daytime highs average 30.0°C and nights cool to about 25.9°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 15 mm of rain on roughly 4 days, which makes October a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average October day.
The nearest other city in this atlas is São Luís (27 km away). In October its highs average 31.2°C, 1.2°C warmer than São José de Ribamar, with 13 mm of rain.
Among the 448 cities listed in Brazil, São José de Ribamar ranks joint 130th of 448 for the warmest October highs and joint 38th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; São José de Ribamar is 1.7°C warmer than that mean.
From October to November, average highs fall by 0.2°C to 29.7°C, and monthly rainfall rises from 15 mm to 28 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
São José de Ribamar climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.4°C25.0°C | 25.0°C | 229 | 25.4 | 12.212 h |
| February | 28.0°C24.7°C | 24.7°C | 319 | 26.2 | 12.212 h |
| March | 27.9°C24.6°C | 24.6°C | 452 | 30.2 | 12.112 h |
| April | 28.1°C24.6°C | 24.6°C | 437 | 28.7 | 12.112 h |
| May | 28.6°C25.0°C | 25.0°C | 292 | 26.5 | 12.012 h |
| June | 28.9°C25.1°C | 25.1°C | 146 | 21.8 | 12.012 h |
| July | 29.1°C25.2°C | 25.2°C | 94 | 18.4 | 12.012 h |
| August | 29.8°C25.6°C | 25.6°C | 25 | 7.5 | 12.012 h |
| September | 30.1°C25.8°C | 25.8°C | 11 | 2.8 | 12.112 h |
| October, selected | 30.0°C25.9°C | 25.9°C | 15 | 3.7 | 12.212 h |
| November | 29.7°C26.0°C | 26.0°C | 28 | 6.3 | 12.212 h |
| December | 29.3°C25.8°C | 25.8°C | 75 | 15.0 | 12.312 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
- São Luís in OctoberBrazil · 27 kmHigh 31.2°C · Low 25.7°C · 13 mm rain
- Pinheiro in OctoberBrazil · 114 kmHigh 32.7°C · Low 24.6°C · 16 mm rain
- Chapadinha in OctoberBrazil · 153 kmHigh 35.5°C · Low 24.6°C · 12 mm rain
- Santa Inês in OctoberBrazil · 192 kmHigh 34.4°C · Low 24.8°C · 19 mm rain
- Bacabal in OctoberBrazil · 203 kmHigh 35.1°C · Low 25.2°C · 17 mm rain
- Codó in OctoberBrazil · 212 kmHigh 35.4°C · Low 24.7°C · 16 mm rain
- Parnaíba in OctoberBrazil · 257 kmHigh 33.6°C · Low 25.2°C · 5.6 mm rain
- Caxias in OctoberBrazil · 268 kmHigh 36.3°C · Low 24.4°C · 14 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 São José de Ribamar) is explained once on the São José de Ribamar year overview and on the Sources, method and limits page.