Simão Dias, Brazil Climate
The warmest month is December, with an average high of 35°C; the coldest is August, with an average low of 17°C. A normal year brings 683 mm of precipitation.
Temperature through the year
The normal daily high and low. The line marks today.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
Normals for Sep 24
- Normal high
- 33°C
- Normal low
- 19°C
- Reanalysis high
- 35°Cin 1993
- Reanalysis low
- 16°Cin 2013
- Chance of a wet day
- 22%
- Daylight
- 12 h 07 min
Month by month
Averages for 1991-2020. Wet days have at least 1 mm of precipitation in the reanalysis. Each month links to its own page.
| Month | Avg high | Avg low | Warmest | Coldest | Precipitation | Wet days |
|---|---|---|---|---|---|---|
| January | 35°C | 22°C | 40°C (2016) | 18°C (2001) | 47 mm | 9.3 |
| February | 34°C | 22°C | 39°C (2006) | 18°C (2004) | 45 mm | 8.5 |
| March | 34°C | 22°C | 39°C (2013) | 17°C (1992) | 56 mm | 9.3 |
| April | 33°C | 21°C | 39°C (1998) | 17°C (2002) | 69 mm | 12.0 |
| May | 31°C | 20°C | 37°C (1998) | 16°C (2014) | 93 mm | 15.5 |
| June | 28°C | 19°C | 33°C (2010) | 14°C (1996) | 96 mm | 21.0 |
| July | 27°C | 18°C | 32°C (2016) | 13°C (2006) | 87 mm | 21.7 |
| August | 29°C | 17°C | 35°C (2018) | 14°C (1999) | 56 mm | 15.5 |
| September | 32°C | 18°C | 38°C (1997) | 14°C (1991) | 36 mm | 9.0 |
| October | 34°C | 20°C | 40°C (1997) | 15°C (1991) | 31 mm | 6.2 |
| November | 35°C | 21°C | 41°C (2015) | 17°C (1994) | 36 mm | 6.0 |
| December | 35°C | 21°C | 40°C (2015) | 18°C (2014) | 31 mm | 6.2 |
| Year | 32°C | 20°C | 683 mm | 140 |
Precipitation
Rain and melted snow together. The chance of a wet day is the share of days with at least 1 mm of precipitation in the reanalysis.
683 mm in a normal year, most in June.
Chance of a wet day
- Chance of a wet day
Humidity and comfort
NASA POWER reanalysis, 1991-2020, for the grid cell around Simão Dias.
The muggiest month is April, when 88 percent of days are muggy or worse, with a mean dew point of 18°C or more.
| Month | Dew point | Humidity | Dry | Comfortable | Humid | Muggy | Oppressive | Miserable |
|---|---|---|---|---|---|---|---|---|
| January | 19°C | 65% | 0% | 1% | 47% | 46% | 6% | 0% |
| February | 19°C | 67% | 0% | 0% | 28% | 67% | 5% | 0% |
| March | 20°C | 68% | 0% | 0% | 17% | 72% | 11% | 0% |
| April | 20°C | 72% | 0% | 0% | 12% | 71% | 17% | 0% |
| May | 20°C | 78% | 0% | 0% | 12% | 73% | 15% | 0% |
| June | 19°C | 82% | 0% | 0% | 27% | 71% | 2% | 0% |
| July | 18°C | 82% | 0% | 3% | 57% | 41% | 0% | 0% |
| August | 17°C | 78% | 0% | 6% | 78% | 16% | 0% | 0% |
| September | 17°C | 72% | 0% | 7% | 80% | 13% | 0% | 0% |
| October | 18°C | 67% | 0% | 6% | 71% | 23% | 0% | 0% |
| November | 18°C | 64% | 0% | 3% | 60% | 35% | 1% | 0% |
| December | 18°C | 64% | 0% | 2% | 56% | 42% | 1% | 0% |
Comfort is judged by the day's mean dew point: dry below 13°C, comfortable to 16°C, humid to 18°C, muggy to 21°C, oppressive to 24°C, miserable above.
Clouds
Average share of the sky covered, from satellite (CERES and GEWEX SRB) by way of NASA POWER, 1991-2020.
The clearest month is October, with the sky 47 percent covered on average; the cloudiest is February, at 63 percent.
Wind
The mean wind speed over the whole day, from the MERRA-2 reanalysis by way of NASA POWER. Gusts run well above it.
The windiest month is October, averaging 19.1 km/h at 10 meters (33 feet) above the ground.
Daylight and sunshine
The longest day is Dec 18, with 12 h 46 min of daylight; the shortest is Jun 18, with 11 h 29 min.
- Day length
Solar energy
Average daily sunshine reaching the ground on a flat surface, in kilowatt-hours per square meter, clouds included.
Month pages
The weather in Simão Dias in each month, day by day.
What this means
A normal is the average of the thirty years 1991 to 2020, the period the World Meteorological Organization and NOAA use for comparison. It is an average, not a forecast: most days depart from it, and some by a long way.
Where no station record is within reach, the extremes shown are the highest and lowest the reanalysis produced for the date in 1991-2020, not measured records.
Cloud, humidity, wind and sunshine come from a reanalysis: a weather model run over the past with every observation fed in, averaged over a grid cell about 50 km across. It is consistent everywhere on Earth; it smooths local detail such as a lake shore or a valley.
More for this place
Nearby
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.