Itaboraí Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Itaboraí.
Climate overview of Itaboraí
With consistently stable weather, Itaboraí, Rio de Janeiro State, Brazil, sees little seasonal temperature change. Daytime highs average 29°C (84°F), ranging from 33°C (91°F) in February to 27°C (81°F) in July.
Rainfall is high, totalling around 1718 mm (68 in) per year. January is the wettest month and August the driest. The city also experiences a distinct rainy season from November to March. The most sunshine falls in January, with an average of 7.1 hours of daily sunshine.
Itaboraí Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Itaboraí — and find the best time to visit.
Monthly Temperature in Itaboraí
The climate in Itaboraí remains fairly constant, offering comfortable temperatures throughout the year. Average maximum daytime temperatures range from a very warm 33°C (91°F) in February, the warmest time of the year, to a comfortable 27°C (81°F) during cooler months like July.
At night, you can expect temperatures ranging from 24°C (75°F) in February to around 17°C (63°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Itaboraí
Itaboraí is known for its substantial rainfall, with annual precipitation reaching 1718 mm (68 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, January it receives heavy rainfall, averaging 258 mm (10 in) of precipitation, recorded across 20 rainy days. In contrast, the driest month August brings less rainfall, with 48 mm (1.9 in) over 9 rainy days. For more details, please visit our Itaboraí Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Itaboraí
While the amount of sunshine in Itaboraí varies throughout the year, all seasons offer their own charm. Enjoy up to 7.1 hours of daily sun in January, and experience slightly darker atmosphere in September, with about 4.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Itaboraí by Month
The relative humidity is high throughout the year in Itaboraí.
The city experiences its highest humidity in March, reaching 80%. In July, the humidity drops to its lowest level at 77%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Itaboraí
Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Visitors should note that January, February, March, November and December are part of the rainy season, bringing substantial rainfall. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Itaboraí
What is the best time to visit Itaboraí?
May, June, July, August and September typically offer the most optimal weather in Itaboraí. In contrast, January, February, March and December tend to have less optimal conditions. Itaboraí has a distinct rainy season from November to March.
What temperatures can I expect in Itaboraí?
Daytime highs range from 27°C (81°F) in July to 33°C (91°F) in February. Nighttime lows range from 17°C (63°F) to 24°C (75°F). Temperatures stay relatively stable year-round.
How much rain does Itaboraí get?
Annual rainfall is around 1718 mm (68 in). January is the wettest month with 258 mm (10 in), while August is the driest with 48 mm (1.9 in).
How sunny is Itaboraí?
Itaboraí receives around 2,183 hours of sunshine per year. January is the sunniest month with 212 hours, while September is the cloudiest with just 144 hours. Overall, Itaboraí enjoys abundant sunshine.
Itaboraí 3-Day Forecast
Itaboraí 3-Day Forecast
Itaboraí on the map
Itaboraí is highlighted — select any city to see its climate.
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