Calhau Weather & Climate: Best Time to Visit

The climate in Calhau remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in September to a comfortable 23°C (73°F) in the coolest month, February.

Nights vary from 25°C (77°F) in September to around 20°C (68°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Calhau experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 111 mm (4.4 in) annually. The climate in Calhau shows significant variation throughout the year. Expect moderate rainfall in September, the wettest month, with an average of 39 mm (1.5 in) of precipitation over 5 rainy days.

In contrast, the driest month May offers drier and sunnier days, with around 1 mm (0.04 in) of rainfall over 3 rainy days. For more details, please visit our Calhau Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Calhau offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (10.2 hours daily) and December (6.8 hours daily) provides a bit of variety for visitors and residents.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The mean water temperature over the year ranges from 22°C (72°F) in February to 26°C (79°F) in August.

Water temperature over the year

The relative humidity is high throughout the year in Calhau.

The city experiences its highest humidity in September, reaching 77%. In March, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year