Dunas Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Dunas.
Climate overview of Dunas
Dunas, Brazil, experiences moderate temperature changes through the seasons. January is the warmest month with daytime highs of 28°C (82°F), while July is the coolest at 18°C (64°F).
With around 1442 mm (57 in) of annual rainfall, Dunas has a notably wet climate. However, this rainfall is not evenly distributed, the city has warm summers and mild winters. The wettest month is September. The sunniest month is December, with 8.7 hours of sunshine per day on average.
Dunas Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dunas - and find the best time to visit.
Monthly Temperature in Dunas
The climate in Dunas experiences moderate temperature changes, with mild shifts between seasons. Average daytime temperatures reach a comfortable 28°C (82°F) in January. In July, the coolest month of the year, temperatures drop to a moderate 18°C (64°F).
At night, temperatures range from around 21°C (70°F) in January to 10°C (50°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dunas
Dunas has a relatively rainy climate with high precipitation levels, averaging 1442 mm (57 in) of rainfall annually. Despite minor fluctuations, Dunas enjoys fairly consistent precipitation throughout the year. In September, you can expect around 150 mm (5.9 in) of precipitation, while in November, Dunas receives about 101 mm (4 in). For more details, please visit our Dunas 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 Dunas
Dunas can be enjoyed more throughout the sunniest month of December under a blue sky, with approximately 8.7 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 4.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Dunas by Month
The city experiences its highest humidity in June, reaching 86%. In December, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Dunas
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April, May, September, October, November and December
- Warmest weather: January, February, March and December
- Most sunshine: January and December
- Fewest rainy days: April and May
- Seasonal pattern: Warm summers and mild winters
Frequently asked questions about the climate in Dunas
What is the best time to visit Dunas?
January, February, March, April, May, September, October, November and December typically offer the most optimal weather in Dunas. In contrast, June, July and August tend to have less optimal conditions. Dunas has warm summers and mild winters.
What temperatures can I expect in Dunas?
Daytime highs range from 18°C (64°F) in July to 28°C (82°F) in January. Nighttime lows range from 10°C (50°F) to 21°C (70°F).
How much rain does Dunas get?
Annual rainfall is around 1442 mm (57 in). September is the wettest month with 150 mm (5.9 in), while November is the driest with 101 mm (4 in).
How sunny is Dunas?
Dunas receives around 2,336 hours of sunshine per year. December is the sunniest month with 260 hours, while June is the cloudiest with just 139 hours. Overall, Dunas enjoys abundant sunshine.
Dunas 3-Day Forecast
Dunas on the map
Dunas is highlighted - select any city to see its climate.
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