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Monthly climate in Calheta, Portugal

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Calheta features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 15 °C (59 °F) and 22 °C (72 °F) through the year, but rarely can drop to 9 °C (49 °F) or can rise to as high as 24 °C (76 °F). The average annual precipitation amounts to about 863 mm (34.0 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually. Calheta enjoys an average of 3409 hours of sunshine throughout the year, and daylight varies from 9 hours 30 minutes to 14 hours 48 minutes per day.

Monthly average temperatures in Calheta, Portugal

The warmest months in Calheta are July, August and September, with daily mean temperatures ranging from 21 to 22 °C (69 - 72 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 15 to 15 °C (59 - 60 °F) throughout the day. On average each year, Calheta experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Calheta. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(66°F)		18°C
(64°F)		18°C
(64°F)		18°C
(64°F)		19°C
(67°F)		22°C
(72°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		22°C
(71°F)		19°C
(67°F)
Mean maximum18°C
(64°F)		17°C
(63°F)		17°C
(63°F)		17°C
(64°F)		19°C
(66°F)		20°C
(68°F)		23°C
(73°F)		24°C
(75°F)		24°C
(75°F)		23°C
(73°F)		21°C
(70°F)		19°C
(66°F)
Average high16°C
(62°F)		16°C
(60°F)		16°C
(60°F)		16°C
(61°F)		17°C
(63°F)		19°C
(67°F)		21°C
(70°F)		23°C
(73°F)		22°C
(72°F)		21°C
(70°F)		19°C
(66°F)		17°C
(64°F)
Daily mean16°C
(61°F)		15°C
(59°F)		15°C
(59°F)		15°C
(60°F)		16°C
(62°F)		18°C
(65°F)		21°C
(69°F)		22°C
(72°F)		22°C
(71°F)		20°C
(68°F)		18°C
(65°F)		17°C
(62°F)
Average low15°C
(59°F)		14°C
(57°F)		14°C
(58°F)		14°C
(58°F)		16°C
(61°F)		18°C
(64°F)		20°C
(69°F)		22°C
(71°F)		21°C
(70°F)		19°C
(67°F)		17°C
(63°F)		16°C
(61°F)
Mean minimum13°C
(55°F)		11°C
(51°F)		12°C
(53°F)		12°C
(54°F)		13°C
(56°F)		15°C
(59°F)		18°C
(65°F)		20°C
(68°F)		19°C
(67°F)		16°C
(62°F)		14°C
(58°F)		13°C
(56°F)
Minimum11°C
(53°F)		9°C
(49°F)		10°C
(50°F)		9°C
(49°F)		11°C
(53°F)		14°C
(57°F)		18°C
(65°F)		19°C
(67°F)		19°C
(66°F)		14°C
(58°F)		12°C
(55°F)		12°C
(54°F)

Compare climate in Calheta with other places

Compare temperature, precipitation, sunshine, UV index in Calheta, Portugal with other places around the world.

Monthly average precipitation in Calheta, Portugal

Calheta usually has the most precipitation in January, November and December, with an average of 13 rainy days and 117 mm (4.6 inches) of precipitation per month. The driest months in Calheta are June, July and September. On average, 38 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Calheta. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)92 (3.6)78 (3.1)53 (2.1)75 (2.9)59 (2.3)43 (1.7)23 (0.9)52 (2.1)50 (2.0)82 (3.2)135 (5.3)123 (4.8)
Average precipitation days (≥ 1 mm)1113101210641011131315

Monthly sunshine hours in Calheta, Portugal

The sunniest months in Calheta are June, July and August, when the sun shines an average of 12 hours 6 minutes a day. Least sunny months in Calheta: January, November and December receive an average of 6 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Calheta. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours155215269297342359389364323276213202
Mean daily daylight hours9h 47m10h 45m11h 58m13h 13m14h 16m14h 48m14h 31m13h 35m12h 23m11h 8m10h 3m9h 30m

Solar UV radiation in Calheta, Portugal

Calheta experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Calheta UV Index data.

Average daily maximum UV levels by month for Calheta. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3579101110109743