Climate averages 1991–2020
São Mateus weather
in October.
A warm, wet month: the 7th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in São Mateus: daytime highs average 27.6°C and nights cool to about 21.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 96 mm of rain on roughly 13 days, which makes October a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average October day.
The nearest other city in this atlas is Linhares (78 km away). In October its highs average 28.2°C, 0.6°C warmer than São Mateus, with 91 mm of rain.
Among the 448 cities listed in Brazil, São Mateus ranks joint 259th of 448 for the warmest October highs and joint 168th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; São Mateus is 0.7°C cooler than that mean.
From October to November, average highs rise by 0.2°C to 27.8°C, and monthly rainfall rises from 96 mm to 183 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 Mateus climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 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, selected | 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
October in nearby cities
- Linhares in OctoberBrazil · 78 kmHigh 28.2°C · Low 20.7°C · 91 mm rain
- Colatina in OctoberBrazil · 122 kmHigh 29.2°C · Low 20.5°C · 67 mm rain
- Aracruz in OctoberBrazil · 130 kmHigh 27.7°C · Low 20.2°C · 91 mm rain
- Teixeira de Freitas in OctoberBrazil · 132 kmHigh 28.6°C · Low 20.6°C · 77 mm rain
- Serra in OctoberBrazil · 164 kmHigh 26.5°C · Low 20.5°C · 93 mm rain
- Cariacica in OctoberBrazil · 181 kmHigh 26.3°C · Low 20.2°C · 123 mm rain
- Vila Velha in OctoberBrazil · 185 kmHigh 26.2°C · Low 21.0°C · 93 mm rain
- Viana, Brazil in OctoberBrazil · 197 kmHigh 27.2°C · Low 20.5°C · 113 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.