Climate averages 1991–2020
Santa Maria weather
in January.
A hot, wet month: the warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Santa Maria: daytime highs average 29.1°C and nights cool to about 19.5°C. By daytime temperature it is the warmest month of the year.
Expect about 159 mm of rain on roughly 14 days, which makes January a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 49 min on an average January day.
The nearest other city in this atlas is Cachoeira do Sul (96 km away). In January its highs average 29.3°C, about as warm as Santa Maria, with 133 mm of rain.
Among the 448 cities listed in Brazil, Santa Maria ranks joint 160th of 448 for the warmest January highs and 120th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Santa Maria is 0.6°C warmer than that mean.
From January to February, average highs fall by 0.7°C to 28.4°C, and monthly rainfall falls from 159 mm to 146 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 Maria climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 29.1°C19.5°C | 19.5°C | 159 | 13.8 | 13.814 h |
| February | 28.4°C19.4°C | 19.4°C | 146 | 12.6 | 13.113 h |
| March | 27.1°C17.9°C | 17.9°C | 124 | 11.2 | 12.312 h |
| April | 24.1°C14.9°C | 14.9°C | 144 | 10.1 | 11.411 h |
| May | 20.3°C11.6°C | 11.6°C | 127 | 9.5 | 10.711 h |
| June | 18.4°C9.7°C | 9.7°C | 137 | 10.1 | 10.310 h |
| July | 17.8°C8.5°C | 8.5°C | 149 | 10.2 | 10.410 h |
| August | 20.2°C9.8°C | 9.8°C | 122 | 9.8 | 11.111 h |
| September | 21.2°C11.4°C | 11.4°C | 157 | 10.6 | 11.912 h |
| October | 23.6°C13.9°C | 13.9°C | 208 | 12.6 | 12.813 h |
| November | 26.0°C15.5°C | 15.5°C | 136 | 10.2 | 13.614 h |
| December | 28.6°C18.2°C | 18.2°C | 158 | 11.8 | 14.014 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
- Cachoeira do Sul in JanuaryBrazil · 96 kmHigh 29.3°C · Low 20.1°C · 133 mm rain
- Santa Cruz do Sul in JanuaryBrazil · 133 kmHigh 28.9°C · Low 19.7°C · 155 mm rain
- Ijuí in JanuaryBrazil · 145 kmHigh 28.9°C · Low 20.0°C · 173 mm rain
- Santo Ângelo in JanuaryBrazil · 160 kmHigh 29.4°C · Low 20.4°C · 167 mm rain
- Lajeado in JanuaryBrazil · 180 kmHigh 28.9°C · Low 19.8°C · 181 mm rain
- Bagé in JanuaryBrazil · 185 kmHigh 28.4°C · Low 18.7°C · 132 mm rain
- Alegrete in JanuaryBrazil · 192 kmHigh 30.3°C · Low 20.8°C · 143 mm rain
- Passo Fundo in JanuaryBrazil · 209 kmHigh 26.3°C · Low 17.9°C · 175 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 Maria) is explained once on the Santa Maria year overview and on the Sources, method and limits page.