Sinop climate
Sinop (Mato Grosso, Brazil) has a tropical savanna (dry winter) climate (Köppen Aw). The average temperature over the year is 26 °C78 °F, and about 1,633 mm64 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Sinop climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 2781 | 2171 | 2476 | 26110 |
| Feb | 2882 | 2170 | 2476 | 27411 |
| Mar | 2882 | 2171 | 2576 | 2409.5 |
| Apr | 2882 | 2170 | 2576 | 1204.7 |
| May | 2883 | 2068 | 2475 | 301.2 |
| Jun | 3086 | 1865 | 2475 | 90.4 |
| Jul | 3290 | 1864 | 2577 | 90.3 |
| Aug | 3596 | 2068 | 2882 | 80.3 |
| Sep | 3697 | 2272 | 2985 | 532.1 |
| Oct | 3392 | 2272 | 2882 | 1566.2 |
| Nov | 3086 | 2271 | 2678 | 2118.3 |
| Dec | 2882 | 2271 | 2577 | 26210 |
| Year | 3697 | 1864 | 2678 | 1,63364 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 90% | 87% | 5.2 | 12:45 |
| Feb | 90% | 87% | 5.1 | 12:30 |
| Mar | 90% | 84% | 5.1 | 12:12 |
| Apr | 90% | 71% | 5.3 | 11:51 |
| May | 84% | 53% | 5.1 | 11:34 |
| Jun | 73% | 30% | 5.3 | 11:26 |
| Jul | 54% | 27% | 5.6 | 11:29 |
| Aug | 40% | 37% | 5.8 | 11:43 |
| Sep | 47% | 62% | 5.3 | 12:03 |
| Oct | 69% | 80% | 5.4 | 12:23 |
| Nov | 83% | 87% | 5.2 | 12:41 |
| Dec | 88% | 87% | 5.1 | 12:49 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Sinop is like
The warmest month is September, with an average high of 36 °C97 °F and a low of 22 °C72 °F. The coldest is May, when highs average 28 °C83 °F and lows 20 °C68 °F. Seasonal differences are small — just 5.2 °C9.4 °F between the warmest and the coolest month.
It is wet, with about 1,633 mm64 in of precipitation per year. The wettest three-month stretch is December–February, which brings 49% of the annual total. Months with less than 20 mm0.8 in on average: June–August. The wettest month is February (274 mm11 in), the driest is August (8 mm0.3 in).
Relative humidity ranges from 40% in August to 90% in January. The clearest skies (lowest average cloud amount, 27%) are typical of July. Average wind speed near the ground ranges from 0 km/h (0 mph) in October to 1 km/h (0 mph) in July. Daylight lasts from about 11.4 hours in June to 12.8 hours in December.
Best time to visit Sinop
Based on these averages, the most comfortable months for sightseeing and outdoor activities are May and June: average highs of 28 °C83 °F to 30 °C86 °F with 9 mm0.4 in to 30 mm1.2 in of precipitation per month.
The most challenging month is February, which is very wet (274 mm11 in) and humid (90% relative humidity).
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Sinop
- Wetter months (October–March) — highs 2781 to 33 °C92 °F, lows 2170 to 22 °C72 °F, about 234 mm9.2 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and a good rain jacket or umbrella and quick-drying shoes.
- Drier months (April–September) — highs 2882 to 36 °C97 °F, lows 1864 to 22 °C72 °F, about 38 mm1.5 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
How Sinop compares
Of the 223 places in Brazil covered by World Climates, Sinop is the 64th warmest by annual mean temperature and the 30th wettest by annual precipitation. See all of them on the Brazil climate page.
Places in other countries with the most similar temperature and rainfall pattern (seasons shifted for the other hemisphere where needed): Ilorin (Nigeria, Aw), Osogbo (Nigeria, Aw) and Okene (Nigeria, Aw).
Nearby places
- Sorriso 79 km · 26 °C78 °F · 1,535 mm60 in
- Tangará da Serra 374 km · 25 °C78 °F · 1,458 mm57 in
- Cuiabá 420 km · 27 °C81 °F · 1,312 mm52 in
- Vilhena 514 km · 23 °C74 °F · 1,738 mm68 in
- Rondonópolis 521 km · 27 °C80 °F · 1,405 mm55 in
- São Félix do Xingu 696 km · 27 °C80 °F · 1,648 mm65 in
- Ji Paraná 711 km · 27 °C80 °F · 1,554 mm61 in
- Jataí 782 km · 23 °C73 °F · 1,398 mm55 in
Frequently asked questions
What is the warmest month in Sinop?
September is the warmest month in Sinop, with an average high of 36 °C (97 °F) and an average low of 22 °C (72 °F).
What is the coldest month in Sinop?
May is the coldest month, with an average high of 28 °C (83 °F) and an average low of 20 °C (68 °F).
When does it rain the most in Sinop?
February is the wettest month with about 274 mm (10.8 in) of precipitation; August is the driest with about 8 mm (0.3 in).
What is the best time to visit Sinop?
Judging by long-term averages, the most comfortable months are May and June.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.