Atibaia climate
Atibaia (São Paulo, Brazil) has a humid subtropical climate (Köppen Cfa). The average temperature over the year is 20 °C68 °F, and about 1,366 mm54 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Atibaia climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 2781 | 1864 | 2373 | 2399.4 |
| Feb | 2781 | 1864 | 2373 | 1787.0 |
| Mar | 2780 | 1763 | 2271 | 1495.9 |
| Apr | 2577 | 1560 | 2068 | 803.1 |
| May | 2373 | 1254 | 1763 | 642.5 |
| Jun | 2272 | 1152 | 1762 | 451.8 |
| Jul | 2373 | 1050 | 1661 | 491.9 |
| Aug | 2577 | 1152 | 1864 | 321.3 |
| Sep | 2781 | 1355 | 2068 | 622.4 |
| Oct | 2883 | 1559 | 2271 | 1094.3 |
| Nov | 2781 | 1660 | 2171 | 1626.4 |
| Dec | 2781 | 1763 | 2272 | 1977.8 |
| Year | 2883 | 1050 | 2068 | 1,36654 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 83% | 78% | 5.2 | 13:24 |
| Feb | 83% | 69% | 5.4 | 12:54 |
| Mar | 84% | 65% | 4.9 | 12:17 |
| Apr | 84% | 57% | 4.4 | 11:35 |
| May | 83% | 57% | 3.5 | 11:01 |
| Jun | 81% | 53% | 3.3 | 10:43 |
| Jul | 76% | 48% | 3.5 | 10:50 |
| Aug | 72% | 47% | 4.2 | 11:19 |
| Sep | 70% | 59% | 4.4 | 11:00 |
| Oct | 73% | 71% | 4.9 | 12:40 |
| Nov | 78% | 75% | 5.2 | 13:16 |
| Dec | 81% | 77% | 5.5 | 13:33 |
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 Atibaia is like
The warmest month is February, with an average high of 27 °C81 °F and a low of 18 °C64 °F. The coldest is July, when highs average 23 °C73 °F and lows 10 °C50 °F. Seasonal differences are small — just 6.2 °C11.2 °F between the warmest and the coolest month.
It is wet, with about 1,366 mm54 in of precipitation per year. The wettest three-month stretch is December–February, which brings 45% of the annual total. The wettest month is January (239 mm9.4 in), the driest is August (32 mm1.3 in).
Relative humidity ranges from 70% in September to 84% in March. The clearest skies (lowest average cloud amount, 47%) are typical of August. Average wind speed near the ground ranges from 4 km/h (2 mph) in April to 6 km/h (3 mph) in September. Daylight lasts from about 10.7 hours in June to 13.5 hours in December.
Best time to visit Atibaia
Based on these averages, the most comfortable months for sightseeing and outdoor activities are May–September: average highs of 22 °C72 °F to 27 °C81 °F with 32 mm1.3 in to 64 mm2.5 in of precipitation per month.
The most challenging month is January, which is very wet (239 mm9.4 in) and humid (83% 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 Atibaia
- Wetter months (November–March) — highs around 27 °C80 °F, lows 1660 to 18 °C64 °F, about 185 mm7.3 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses, an extra layer for the cooler mornings and evenings and an umbrella or light rain jacket.
- Drier months (April–October) — highs 2272 to 28 °C83 °F, lows 1050 to 15 °C60 °F, about 63 mm2.5 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and an extra layer for the cooler mornings and evenings.
How Atibaia compares
Compared with Bragança Paulista, about 18 km to the north, Atibaia has practically the same average temperature and receives a similar amount of precipitation.
Of the 223 places in Brazil covered by World Climates, Atibaia is the 196th warmest by annual mean temperature and the 90th 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: Port Macquarie (Australia, Cfa), Pinetown (South Africa, Cfa) and East London (South Africa, Cfa).
Nearby places
- Bragança Paulista 18 km · 20 °C68 °F · 1,366 mm54 in
- Jundiaí 35 km · 21 °C69 °F · 1,312 mm52 in
- Guarulhos 38 km · 20 °C67 °F · 1,380 mm54 in
- Valinhos 48 km · 21 °C70 °F · 1,312 mm52 in
- São Paulo 49 km · 20 °C68 °F · 1,352 mm53 in
- Campinas 57 km · 21 °C70 °F · 1,312 mm52 in
- Jacareí 63 km · 21 °C70 °F · 1,380 mm54 in
- Indaiatuba 68 km · 21 °C70 °F · 1,241 mm49 in
Frequently asked questions
What is the warmest month in Atibaia?
February is the warmest month in Atibaia, with an average high of 27 °C (81 °F) and an average low of 18 °C (64 °F).
What is the coldest month in Atibaia?
July is the coldest month, with an average high of 23 °C (73 °F) and an average low of 10 °C (50 °F).
When does it rain the most in Atibaia?
January is the wettest month with about 239 mm (9.4 in) of precipitation; August is the driest with about 32 mm (1.3 in).
What is the best time to visit Atibaia?
Judging by long-term averages, the most comfortable months are May–September.
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.
The grid cell’s average elevation is 919 m, while Atibaia lies at about 817 m. Temperatures on this page were therefore adjusted by +0.7 °C1.2 °F using the standard lapse rate of 6.5 °C per 1,000 m.