Climate averages 1991–2020
Santa Inês weather
in January.
A hot, very wet month: the 8th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Santa Inês: daytime highs average 30.2°C and nights cool to about 23.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 253 mm of rain on roughly 25 days, which makes January a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 18 min on an average January day.
The nearest other city in this atlas is Bacabal (91 km away). In January its highs average 30.3°C, about as warm as Santa Inês, with 249 mm of rain.
Among the 448 cities listed in Brazil, Santa Inês ranks joint 69th of 448 for the warmest January highs and joint 315th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Santa Inês is 1.8°C warmer than that mean.
From January to February, average highs fall by 0.6°C to 29.6°C, and monthly rainfall rises from 253 mm to 278 mm.
The annual picture
January 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
Santa Inês climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 30.2°C23.6°C | 23.6°C | 253 | 25.4 | 12.312 h |
| February | 29.6°C23.4°C | 23.4°C | 278 | 26.0 | 12.212 h |
| March | 29.4°C23.3°C | 23.3°C | 341 | 29.5 | 12.112 h |
| April | 29.4°C23.4°C | 23.4°C | 310 | 27.9 | 12.012 h |
| May | 29.8°C23.5°C | 23.5°C | 163 | 21.5 | 12.012 h |
| June | 30.3°C23.3°C | 23.3°C | 55 | 11.6 | 11.912 h |
| July | 31.2°C23.1°C | 23.1°C | 32 | 6.4 | 11.912 h |
| August | 33.0°C23.6°C | 23.6°C | 11 | 2.8 | 12.012 h |
| September | 34.0°C24.3°C | 24.3°C | 12 | 2.1 | 12.112 h |
| October | 34.4°C24.8°C | 24.8°C | 19 | 4.0 | 12.212 h |
| November | 33.7°C24.8°C | 24.8°C | 49 | 8.0 | 12.312 h |
| December | 32.3°C24.5°C | 24.5°C | 120 | 15.3 | 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
January in nearby cities
- Bacabal in JanuaryBrazil · 91 kmHigh 30.3°C · Low 23.5°C · 249 mm rain
- Pinheiro in JanuaryBrazil · 132 kmHigh 30.4°C · Low 23.8°C · 196 mm rain
- São Luís in JanuaryBrazil · 174 kmHigh 29.0°C · Low 24.7°C · 221 mm rain
- Codó in JanuaryBrazil · 188 kmHigh 30.4°C · Low 23.2°C · 226 mm rain
- São José de Ribamar in JanuaryBrazil · 192 kmHigh 28.4°C · Low 25.0°C · 229 mm rain
- Barra do Corda in JanuaryBrazil · 205 kmHigh 29.4°C · Low 22.8°C · 213 mm rain
- Chapadinha in JanuaryBrazil · 224 kmHigh 31.0°C · Low 23.5°C · 198 mm rain
- Paragominas in JanuaryBrazil · 232 kmHigh 30.4°C · Low 23.0°C · 217 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 Santa Inês) is explained once on the Santa Inês year overview and on the Sources, method and limits page.