Climate averages 1991–2020
Santarém weather
in July.
A hot, wet month: the 6th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Santarém: daytime highs average 28.9°C and nights cool to about 25.0°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 114 mm of rain on roughly 19 days, which makes July a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 00 min on an average July day.
The nearest other city in this atlas is Oriximiná (149 km away). In July its highs average 29.6°C, 0.7°C warmer than Santarém, with 91 mm of rain.
Among the 448 cities listed in Brazil, Santarém ranks joint 86th of 448 for the warmest July highs and 394th of 448 for the driest July (rainfall, lowest first). The mean July high of those 448 cities is 24.7°C; Santarém is 4.2°C warmer than that mean.
From July to August, average highs rise by 1.3°C to 30.2°C, and monthly rainfall falls from 114 mm to 74 mm.
The annual picture
July 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
Santarém climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.6°C24.7°C | 24.7°C | 409 | 28.2 | 12.212 h |
| February | 28.3°C24.5°C | 24.5°C | 391 | 26.1 | 12.212 h |
| March | 28.3°C24.5°C | 24.5°C | 488 | 29.3 | 12.112 h |
| April | 28.2°C24.5°C | 24.5°C | 450 | 29.2 | 12.112 h |
| May | 28.3°C24.6°C | 24.6°C | 365 | 29.6 | 12.012 h |
| June | 28.5°C24.8°C | 24.8°C | 187 | 24.8 | 12.012 h |
| July, selected | 28.9°C25.0°C | 25.0°C | 114 | 19.2 | 12.012 h |
| August | 30.2°C25.7°C | 25.7°C | 74 | 13.0 | 12.012 h |
| September | 31.2°C26.2°C | 26.2°C | 68 | 10.5 | 12.112 h |
| October | 31.4°C26.5°C | 26.5°C | 107 | 11.9 | 12.212 h |
| November | 30.7°C26.2°C | 26.2°C | 149 | 16.6 | 12.212 h |
| December | 29.9°C25.7°C | 25.7°C | 233 | 21.7 | 12.312 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
July in nearby cities
- Oriximiná in JulyBrazil · 149 kmHigh 29.6°C · Low 24.1°C · 91 mm rain
- Parintins in JulyBrazil · 226 kmHigh 29.7°C · Low 23.9°C · 113 mm rain
- Itaituba in JulyBrazil · 248 kmHigh 30.7°C · Low 23.0°C · 58 mm rain
- Altamira in JulyBrazil · 290 kmHigh 30.0°C · Low 22.8°C · 46 mm rain
- Itacoatiara in JulyBrazil · 422 kmHigh 29.4°C · Low 24.3°C · 105 mm rain
- Santana in JulyBrazil · 475 kmHigh 29.3°C · Low 23.6°C · 127 mm rain
- Breves in JulyBrazil · 477 kmHigh 30.1°C · Low 23.6°C · 84 mm rain
- Macapá in JulyBrazil · 490 kmHigh 29.0°C · Low 23.7°C · 155 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 Santarém) is explained once on the Santarém year overview and on the Sources, method and limits page.