Castanhal Weather and Climate: A Comprehensive Guide
Castanhal has a steady very warm climate throughout the year.
It also has a notably wet climate with much precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
In Castanhal temperatures are generally consistent throughout the year. Average maximum daytime temperatures range from a very warm 35°C in October, the warmest time of the year, to a very warm 31°C during cooler months like July.
At night, temperatures typically drop to an average of around 23°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Castanhal experiences significant rainfall throughout the year, averaging 2271 mm of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, March receives heavy rainfall, averaging 433 mm of precipitation, recorded across 31 rainy days. In contrast, the drier season, October brings less rainfall, with 35 mm over 21 rainy days. For more details, please visit our Castanhal Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Castanhal. While August receives considerable daily sunshine with up to 9.0 hours, February marks the darkest time of the year, where sunshine is scarce with only 3.4 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The city experiences its highest humidity in February, reaching 90%. In October, the humidity drops to its lowest level at 80%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
partly cloudy and thunder broken clouds and thunder partly cloudy and thunderForecast for Castanhal
3 m/s
3 m/s
4 m/s
The best time of year to visit Castanhal in Brazil
Castanhal has high temperatures year round ranging between 31°C and 34°C.The best time to visit is during the drier months: August, September, October and November.
Other facts from our historical weather data:
Rainy season in Castanhal occurs in the months of January, February, March, April and May.
October has an average maximum temperature of 35°C and is the hottest month of the year.
The coolest month is July with an average maximum temperature of 31°C.
March tops the wettest month list with 433 mm of rainfall.
October is the driest month with 35 mm of precipitation.
August is the sunniest month with an average of 269 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
