Caxias climate
Caxias (Maranhão, Brazil) has a tropical savanna (dry winter) climate (Köppen Aw). The average temperature over the year is 28 °C83 °F, and about 1,278 mm50 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Caxias climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 3188 | 2374 | 2781 | 1987.8 |
| Feb | 3085 | 2373 | 2679 | 2389.4 |
| Mar | 2985 | 2374 | 2679 | 27011 |
| Apr | 2984 | 2373 | 2679 | 2449.6 |
| May | 3086 | 2373 | 2679 | 1154.5 |
| Jun | 3187 | 2373 | 2780 | 261.0 |
| Jul | 3290 | 2373 | 2882 | 110.4 |
| Aug | 3494 | 2475 | 2984 | 80.3 |
| Sep | 3697 | 2577 | 3087 | 100.4 |
| Oct | 3798 | 2578 | 3188 | 261.0 |
| Nov | 3697 | 2577 | 3187 | 451.8 |
| Dec | 3493 | 2576 | 2985 | 863.4 |
| Year | 3798 | 2373 | 2883 | 1,27850 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 77% | 75% | 5.3 | 12:22 |
| Feb | 85% | 80% | 5.3 | 12:16 |
| Mar | 88% | 80% | 5.3 | 12:09 |
| Apr | 90% | 76% | 5.2 | 12:00 |
| May | 83% | 57% | 5.2 | 11:54 |
| Jun | 71% | 41% | 5.4 | 11:50 |
| Jul | 58% | 30% | 5.8 | 11:52 |
| Aug | 48% | 22% | 6.4 | 11:57 |
| Sep | 46% | 27% | 6.6 | 12:05 |
| Oct | 49% | 40% | 6.4 | 12:13 |
| Nov | 54% | 54% | 5.9 | 12:21 |
| Dec | 62% | 65% | 5.5 | 12:24 |
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 Caxias is like
The warmest month is October, with an average high of 37 °C98 °F and a low of 25 °C78 °F. The coldest is April, when highs average 29 °C84 °F and lows 23 °C73 °F. Seasonal differences are small — just 5.1 °C9.2 °F between the warmest and the coolest month.
It is wet, with about 1,278 mm50 in of precipitation per year. The wettest three-month stretch is February–April, which brings 59% of the annual total. Months with less than 20 mm0.8 in on average: July–September. The wettest month is March (270 mm11 in), the driest is August (8 mm0.3 in).
Relative humidity ranges from 46% in September to 90% in April. The clearest skies (lowest average cloud amount, 22%) are typical of August. Average wind speed near the ground ranges from 0 km/h (0 mph) in December to 0 km/h (0 mph) in August.
Best time to visit Caxias
Based on these averages, the most comfortable months for sightseeing and outdoor activities are June: average highs of 31 °C87 °F to 31 °C87 °F with 26 mm1.0 in to 26 mm1.0 in of precipitation per month.
The most challenging month is March, which is very wet (270 mm11 in) and humid (88% 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 Caxias
- Wetter months (January–May) — highs 2984 to 31 °C88 °F, lows around 23 °C73 °F, about 213 mm8.4 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 (June–December) — highs 3187 to 37 °C98 °F, lows 2373 to 25 °C78 °F, about 30 mm1.2 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
How Caxias compares
Compared with Timon, about 63 km to the southeast, Caxias has practically the same average temperature and receives a similar amount of precipitation.
Of the 223 places in Brazil covered by World Climates, Caxias is the 5th warmest by annual mean temperature and the 132nd 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): Hòa Thành (Vietnam, Aw), Trảng Bàng (Vietnam, Aw) and Ho Chi Minh City (Vietnam, Aw).
Nearby places
- Timon 63 km · 28 °C83 °F · 1,278 mm50 in
- Teresina 67 km · 29 °C83 °F · 1,201 mm47 in
- Codó 74 km · 28 °C82 °F · 1,381 mm54 in
- Bacabal 173 km · 28 °C82 °F · 1,513 mm60 in
- São José de Ribamar 268 km · 27 °C81 °F · 1,511 mm60 in
- Parnaíba 279 km · 28 °C82 °F · 1,102 mm43 in
- São Luís 279 km · 27 °C81 °F · 1,717 mm68 in
- Sobral 358 km · 28 °C82 °F · 958 mm38 in
Frequently asked questions
What is the warmest month in Caxias?
October is the warmest month in Caxias, with an average high of 37 °C (98 °F) and an average low of 25 °C (78 °F).
What is the coldest month in Caxias?
April is the coldest month, with an average high of 29 °C (84 °F) and an average low of 23 °C (73 °F).
When does it rain the most in Caxias?
March is the wettest month with about 270 mm (10.6 in) of precipitation; August is the driest with about 8 mm (0.3 in).
What is the best time to visit Caxias?
Judging by long-term averages, the most comfortable months are 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.