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Monthly climate in Portel, Portugal

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Portel features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 9 °C (49 °F) and 26 °C (78 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 44 °C (112 °F). The average annual precipitation amounts to about 444 mm (17.5 inches) and receives 56 rainy days on the 1 mm (0.04 inches) threshold annually. Portel enjoys an average of 3768 hours of sunshine throughout the year, and daylight varies from 9 hours 32 minutes to 14 hours 45 minutes per day.

Monthly average temperatures in Portel, Portugal

The warmest months in Portel are July, August and September, with daily mean temperatures ranging from 23 to 26 °C (74 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 12 °C (49 - 53 °F) throughout the day. On average each year, Portel experiences 130 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Portel. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum22°C
(71°F)		24°C
(75°F)		28°C
(82°F)		29°C
(85°F)		35°C
(95°F)		42°C
(108°F)		43°C
(110°F)		44°C
(112°F)		38°C
(101°F)		35°C
(94°F)		25°C
(77°F)		21°C
(70°F)
Mean maximum19°C
(66°F)		22°C
(72°F)		25°C
(77°F)		28°C
(82°F)		33°C
(92°F)		36°C
(98°F)		39°C
(103°F)		40°C
(105°F)		37°C
(98°F)		32°C
(90°F)		23°C
(74°F)		20°C
(68°F)
Average high14°C
(58°F)		17°C
(63°F)		18°C
(65°F)		21°C
(69°F)		26°C
(79°F)		29°C
(84°F)		32°C
(91°F)		34°C
(93°F)		30°C
(87°F)		26°C
(78°F)		18°C
(65°F)		16°C
(61°F)
Daily mean9°C
(49°F)		12°C
(53°F)		13°C
(56°F)		15°C
(60°F)		20°C
(67°F)		22°C
(72°F)		25°C
(76°F)		26°C
(78°F)		23°C
(74°F)		19°C
(67°F)		13°C
(57°F)		11°C
(52°F)
Average low5°C
(42°F)		7°C
(46°F)		8°C
(48°F)		10°C
(51°F)		13°C
(56°F)		15°C
(60°F)		17°C
(63°F)		18°C
(65°F)		17°C
(63°F)		14°C
(57°F)		10°C
(50°F)		8°C
(46°F)
Mean minimum1°C
(33°F)		3°C
(37°F)		4°C
(39°F)		6°C
(43°F)		8°C
(47°F)		11°C
(52°F)		13°C
(56°F)		14°C
(57°F)		12°C
(54°F)		8°C
(46°F)		4°C
(40°F)		2°C
(36°F)
Minimum-2°C
(29°F)		0°C
(33°F)		2°C
(35°F)		5°C
(41°F)		6°C
(42°F)		10°C
(49°F)		12°C
(54°F)		13°C
(56°F)		10°C
(51°F)		5°C
(42°F)		3°C
(38°F)		-1°C
(31°F)

Compare climate in Portel with other places

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

Monthly average precipitation in Portel, Portugal

Portel usually has the most precipitation in March, April and November, with an average of 9 rainy days and 70 mm (2.7 inches) of precipitation per month. The driest months in Portel are June, July and August. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Portel. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)29 (1.1)44 (1.7)87 (3.4)66 (2.6)29 (1.1)9 (0.4)2 (0.1)2 (0.1)23 (0.9)45 (1.8)56 (2.2)52 (2.0)
Average precipitation days (≥ 1 mm)4691151001496

Monthly sunshine hours in Portel, Portugal

The sunniest months in Portel are June, July and August, when the sun shines an average of 13 hours 22 minutes a day. Least sunny months in Portel: January, February and December receive an average of 6 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Portel. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours182217292341399401428401349317224213
Mean daily daylight hours9h 49m10h 46m11h 58m13h 12m14h 14m14h 45m14h 29m13h 34m12h 23m11h 9m10h 5m9h 32m

Solar UV radiation in Portel, Portugal

Portel 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 Portel UV Index data.

Average daily maximum UV levels by month for Portel. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3579101110109643