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Monthly climate in Alfena, Porto, Portugal

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Alfena features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 9 °C (49 °F) and 21 °C (70 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1192 mm (46.9 inches) and receives 112 rainy days on the 1 mm (0.04 inches) threshold annually.Alfena enjoys an average of 3668 hours of sunshine throughout the year, and daylight varies from 9 hours 15 minutes to 15 hours 4 minutes per day.

Monthly average temperatures in Alfena, Porto, Portugal §

The warmest months in Alfena are July, August and September, with daily mean temperatures ranging from 20 to 21 °C (68 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 11 °C (49 - 52 °F) throughout the day. On average each year, Alfena experiences 43 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 Alfena, Porto, Portugal.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 21°C
(69°F)		 21°C
(71°F)		 26°C
(79°F)		 27°C
(81°F)		 30°C
(87°F)		 32°C
(90°F)		 34°C
(94°F)		 36°C
(98°F)		 34°C
(94°F)		 31°C
(88°F)		 21°C
(71°F)		 18°C
(65°F)
Mean maximum 17°C
(62°F)		 20°C
(68°F)		 21°C
(71°F)		 24°C
(75°F)		 28°C
(83°F)		 28°C
(83°F)		 32°C
(89°F)		 33°C
(91°F)		 31°C
(88°F)		 26°C
(80°F)		 20°C
(68°F)		 17°C
(64°F)
Average high 13°C
(56°F)		 15°C
(59°F)		 16°C
(61°F)		 18°C
(64°F)		 21°C
(70°F)		 22°C
(72°F)		 25°C
(77°F)		 25°C
(78°F)		 24°C
(76°F)		 21°C
(70°F)		 16°C
(61°F)		 14°C
(57°F)
Daily mean 9°C
(49°F)		 11°C
(52°F)		 12°C
(54°F)		 14°C
(58°F)		 17°C
(63°F)		 18°C
(66°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(68°F)		 17°C
(62°F)		 13°C
(55°F)		 11°C
(52°F)
Average low 6°C
(43°F)		 8°C
(47°F)		 9°C
(48°F)		 11°C
(52°F)		 13°C
(56°F)		 15°C
(59°F)		 17°C
(63°F)		 17°C
(63°F)		 16°C
(61°F)		 13°C
(56°F)		 10°C
(50°F)		 9°C
(48°F)
Mean minimum 1°C
(35°F)		 3°C
(37°F)		 4°C
(40°F)		 6°C
(43°F)		 8°C
(48°F)		 12°C
(54°F)		 13°C
(55°F)		 13°C
(55°F)		 12°C
(54°F)		 8°C
(47°F)		 5°C
(42°F)		 4°C
(39°F)
Minimum 0°C
(32°F)		 1°C
(34°F)		 3°C
(38°F)		 4°C
(40°F)		 6°C
(43°F)		 10°C
(50°F)		 11°C
(52°F)		 12°C
(54°F)		 10°C
(51°F)		 6°C
(44°F)		 4°C
(40°F)		 1°C
(35°F)

Compare climate in Alfena with other places

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

Monthly average precipitation in Alfena, Porto, Portugal §

Alfena usually has the most precipitation in April, November and December, with an average of 13 rainy days and 163 mm (6.4 inches) of precipitation per month.The driest months in Alfena are July, August and September. On average, 27 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Alfena, Porto, Portugal.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 91 (3.6) 138 (5.4) 141 (5.6) 146 (5.7) 81 (3.2) 50 (2.0) 23 (0.9) 19 (0.7) 39 (1.5) 121 (4.8) 156 (6.1) 187 (7.4)
Average precipitation days (≥ 1 mm) 8 11 11 13 9 8 4 4 6 10 13 15

Monthly sunshine hours in Alfena, Porto, Portugal §

The sunniest months in Alfena are May, June and July, when the sun shines an average of 13 hours 27 minutes a day.Least sunny months in Alfena: January, November and December receive an average of 5 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Alfena, Porto, Portugal.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 159 210 286 343 404 406 426 396 345 301 206 181
Mean daily daylight hours 9h 34m 10h 37m 11h 57m 13h 20m 14h 29m 15h 4m 14h 46m 13h 44m 12h 25m 11h 3m 9h 51m 9h 15m

Solar UV radiation in Alfena, Porto, Portugal §

Alfena experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, February and December are in the Low / 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 Alfena UV Index data.

Average daily maximum UV levels by month for Alfena, Porto, Portugal.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 4 6 8 9 11 10 9 8 6 4 2