Climate averages 1991–2020
São Mateus weather
in January.
A hot, wet month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in São Mateus: daytime highs average 29.5°C and nights cool to about 23.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 106 mm of rain on roughly 13 days, which makes January a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 07 min on an average January day.
The nearest other city in this atlas is Linhares (78 km away). In January its highs average 30.0°C, about as warm as São Mateus, with 124 mm of rain.
Among the 448 cities listed in Brazil, São Mateus ranks joint 120th of 448 for the warmest January highs and 82nd of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; São Mateus is 1.1°C warmer than that mean.
From January to February, average highs rise by 0.3°C to 29.9°C, and monthly rainfall falls from 106 mm to 77 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
São Mateus climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 29.5°C23.1°C | 23.1°C | 106 | 13.4 | 13.113 h |
| February | 29.9°C23.1°C | 23.1°C | 77 | 14.2 | 12.713 h |
| March | 29.4°C22.9°C | 22.9°C | 136 | 18.3 | 12.212 h |
| April | 28.1°C22.1°C | 22.1°C | 108 | 17.1 | 11.712 h |
| May | 26.6°C20.6°C | 20.6°C | 70 | 13.2 | 11.211 h |
| June | 25.6°C19.4°C | 19.4°C | 52 | 11.7 | 11.011 h |
| July | 24.9°C18.7°C | 18.7°C | 57 | 13.0 | 11.111 h |
| August | 25.3°C18.8°C | 18.8°C | 48 | 11.1 | 11.511 h |
| September | 26.5°C20.0°C | 20.0°C | 54 | 11.0 | 12.012 h |
| October | 27.6°C21.2°C | 21.2°C | 96 | 13.4 | 12.513 h |
| November | 27.8°C21.9°C | 21.9°C | 183 | 17.7 | 13.013 h |
| December | 29.0°C22.7°C | 22.7°C | 146 | 15.7 | 13.213 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
- Linhares in JanuaryBrazil · 78 kmHigh 30.0°C · Low 22.9°C · 124 mm rain
- Colatina in JanuaryBrazil · 122 kmHigh 30.3°C · Low 22.7°C · 119 mm rain
- Aracruz in JanuaryBrazil · 130 kmHigh 29.9°C · Low 22.5°C · 131 mm rain
- Teixeira de Freitas in JanuaryBrazil · 132 kmHigh 30.6°C · Low 22.6°C · 81 mm rain
- Serra in JanuaryBrazil · 164 kmHigh 28.9°C · Low 22.9°C · 101 mm rain
- Cariacica in JanuaryBrazil · 181 kmHigh 28.8°C · Low 22.8°C · 160 mm rain
- Vila Velha in JanuaryBrazil · 185 kmHigh 28.7°C · Low 23.4°C · 101 mm rain
- Viana, Brazil in JanuaryBrazil · 197 kmHigh 29.7°C · Low 23.2°C · 138 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 Mateus) is explained once on the São Mateus year overview and on the Sources, method and limits page.