Calhetas Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Calhetas.
Climate overview of Calhetas
Calhetas, Azores, Portugal, experiences moderate temperature changes through the seasons. August is the warmest month with daytime highs of 25°C (77°F), while February is the coolest at 17°C (63°F).
Calhetas sees a moderate amount of rainfall, totalling around 964 mm (38 in) per year. The sunniest month is August, with 7.2 hours of sunshine per day on average.
Calhetas Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Calhetas - and find the best time to visit.
Monthly Temperature in Calhetas
The climate in Calhetas experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in August, the warmest time of the year, to a moderate 17°C (63°F) during cooler months like February.
At night, you can expect temperatures ranging from 21°C (70°F) in August to around 13°C (55°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Calhetas
Generally, Calhetas has a moderate amount of precipitation, averaging 964 mm (38 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives high rainfall, averaging 140 mm (5.5 in) of precipitation, recorded across 20 rainy days. In contrast, the driest month July brings less rainfall, with 28 mm (1.1 in) over 12 rainy days. For more details, please visit our Calhetas Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Calhetas
Seasonal changes in sunshine hours are quite dramatic in Calhetas. While August receives considerable daily sunshine with up to 7.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.1 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Calhetas
Humidity in Calhetas by Month
The city experiences its highest humidity in December, reaching 83%. In July, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Calhetas
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August, September and November
- Warmest weather: July, August and September
- Most sunshine: July and August
- Fewest rainy days: May, June, July and August
- Best for swimming: June, July, August, September, October and November.
Frequently asked questions about the climate in Calhetas
What is the best time to visit Calhetas?
June, July, August, September and November typically offer the most optimal weather in Calhetas. In contrast, January tends to have less optimal conditions.
What temperatures can I expect in Calhetas?
Daytime highs range from 17°C (63°F) in February to 25°C (77°F) in August. Nighttime lows range from 13°C (55°F) to 21°C (70°F).
How much rain does Calhetas get?
Annual rainfall is around 964 mm (38 in). December is the wettest month with 140 mm (5.5 in), while July is the driest with 28 mm (1.1 in).
How sunny is Calhetas?
Calhetas receives around 1,753 hours of sunshine per year. August is the sunniest month with 215 hours, while December is the cloudiest with just 94 hours.
Calhetas 3-Day Forecast
Calhetas on the map
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