Climate averages 1991–2020
Santa Maria weather
in October.
A warm, very wet month: the 7th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Santa Maria: daytime highs average 23.6°C and nights cool to about 13.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 208 mm of rain on roughly 13 days, which makes October a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 47 min on an average October day.
The nearest other city in this atlas is Cachoeira do Sul (96 km away). In October its highs average 23.7°C, about as warm as Santa Maria, with 190 mm of rain.
Among the 448 cities listed in Brazil, Santa Maria ranks joint 409th of 448 for the warmest October highs and 436th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Santa Maria is 4.7°C cooler than that mean.
From October to November, average highs rise by 2.4°C to 26.0°C, and monthly rainfall falls from 208 mm to 136 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
Santa Maria climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 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, selected | 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
October in nearby cities
- Cachoeira do Sul in OctoberBrazil · 96 kmHigh 23.7°C · Low 14.5°C · 190 mm rain
- Santa Cruz do Sul in OctoberBrazil · 133 kmHigh 23.7°C · Low 14.3°C · 199 mm rain
- Ijuí in OctoberBrazil · 145 kmHigh 24.9°C · Low 15.3°C · 234 mm rain
- Santo Ângelo in OctoberBrazil · 160 kmHigh 25.2°C · Low 15.6°C · 236 mm rain
- Lajeado in OctoberBrazil · 180 kmHigh 23.9°C · Low 14.4°C · 198 mm rain
- Bagé in OctoberBrazil · 185 kmHigh 22.1°C · Low 12.9°C · 151 mm rain
- Alegrete in OctoberBrazil · 192 kmHigh 24.2°C · Low 14.7°C · 211 mm rain
- Passo Fundo in OctoberBrazil · 209 kmHigh 22.7°C · Low 13.5°C · 240 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.