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Porto Nacional Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Porto Nacional.
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Climate overview of Porto Nacional
Porto Nacional, Brazil, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 33°C (91°F), peaking in September at 37°C (99°F) and dipping in January to 31°C (88°F).
With around 1699 mm (67 in) of annual rainfall, Porto Nacional has a notably wet climate. However, this rainfall is not evenly distributed, the city has distinct dry (June to September) and wet (November to March) seasons. The wettest month is January. August is the sunniest month, averaging 9.6 hours of sunshine per day.
Porto Nacional Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Porto Nacional - and find the best time to visit.
Monthly Temperature in Porto Nacional
With minimal seasonal shifts, Porto Nacional experiences a constant climate year-round. Average daytime temperatures reach a very hot 37°C (99°F) in September. In January, the coolest month of the year, temperatures drop to a very warm 31°C (88°F).
At night, temperatures range from around 24°C (75°F) in September to 21°C (70°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Porto Nacional
Porto Nacional has a notably wet climate with abundant precipitation, recording 1699 mm (67 in) of rainfall per year. Porto Nacional can be quite wet during January, receiving approximately 300 mm (12 in) of precipitation over 18 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 0.4 mm (0.02 in) of precipitation spread across 4 rainy days. For more details, please visit our Porto Nacional 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 Porto Nacional
Porto Nacional can be enjoyed more throughout the sunniest month of August under a blue sky, with approximately 9.6 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 4.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Porto Nacional by Month
The relative humidity is high throughout the year in Porto Nacional.
The city experiences its highest humidity in February, reaching 84%. In August, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Porto Nacional
The mean wind speed varies between () and () throughout the year. It is lowest in January, February, March, April, May, June, July, August, September, October, November and December and highest during January, February, March, April, May, June, July, August, September, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Porto Nacional
For the most comfortable conditions available during the year, consider visiting Porto Nacional in April. Conditions are usually least comfortable in January, February, March, May, June, July, August, September, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very wet
Feb
very wet
Mar
very wet
Apr
mixed
May
very hot
Jun
very hot
Jul
very hot
Aug
very hot
Sep
very hot
Oct
very hot
Nov
very wet
Dec
very wet
- Best overall: April
- Warmest weather: August and September
- Most sunshine: June, July and August
- Fewest rainy days: June, July, August and September
- Wettest months: January, February, March, April, November and December, when rainfall is highest.
- Seasonal pattern: Distinct dry (June to September) and wet (November to March) seasons
Frequently asked questions about the climate in Porto Nacional
What is the best time to visit Porto Nacional?
April typically offers the most optimal weather in Porto Nacional. In contrast, January, February, March, May, June, July, August, September, October, November and December tend to have less optimal conditions. Porto Nacional has distinct dry (June to September) and wet (November to March) seasons.
What temperatures can I expect in Porto Nacional?
Daytime highs range from 31°C (88°F) in January to 37°C (99°F) in September. Nighttime lows range from 21°C (70°F) to 24°C (75°F). Temperatures stay relatively stable year-round.
How much rain does Porto Nacional get?
Annual rainfall is around 1699 mm (67 in). January is the wettest month with 300 mm (12 in), while July is the driest with 0.4 mm (0.02 in).
How sunny is Porto Nacional?
Porto Nacional receives around 2,444 hours of sunshine per year. August is the sunniest month with 289 hours, while February is the cloudiest with just 129 hours. Overall, Porto Nacional enjoys abundant sunshine.
Porto Nacional 3-Day Forecast
Porto Nacional on the map
Porto Nacional is highlighted - select any city to see its climate.
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