Climate averages 1991–2020
São Mateus weather
in May.
A warm, moderately wet month: the 8th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in São Mateus: daytime highs average 26.6°C and nights cool to about 20.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 70 mm of rain on roughly 13 days, which makes May a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 15 min on an average May day.
The nearest other city in this atlas is Linhares (78 km away). In May its highs average 26.7°C, about as warm as São Mateus, with 52 mm of rain.
Among the 448 cities listed in Brazil, São Mateus ranks joint 159th of 448 for the warmest May highs and joint 233rd of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; São Mateus is 1.3°C warmer than that mean.
From May to June, average highs fall by 1.0°C to 25.6°C, and monthly rainfall falls from 70 mm to 52 mm.
The annual picture
May 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, selected | 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
May in nearby cities
- Linhares in MayBrazil · 78 kmHigh 26.7°C · Low 19.9°C · 52 mm rain
- Colatina in MayBrazil · 122 kmHigh 27.2°C · Low 19.5°C · 21 mm rain
- Aracruz in MayBrazil · 130 kmHigh 26.3°C · Low 19.4°C · 43 mm rain
- Teixeira de Freitas in MayBrazil · 132 kmHigh 27.0°C · Low 20.0°C · 49 mm rain
- Serra in MayBrazil · 164 kmHigh 25.5°C · Low 19.9°C · 60 mm rain
- Cariacica in MayBrazil · 181 kmHigh 25.2°C · Low 19.6°C · 61 mm rain
- Vila Velha in MayBrazil · 185 kmHigh 25.5°C · Low 20.5°C · 60 mm rain
- Viana, Brazil in MayBrazil · 197 kmHigh 25.9°C · Low 19.6°C · 63 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.