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Monthly climate in Foz do Arelho, Leiria, Portugal

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Foz do Arelho features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 12 °C (54 °F) and 20 °C (68 °F) through the year, but rarely can drop to 4 °C (40 °F) or can rise to as high as 31 °C (89 °F).The average annual precipitation amounts to about 597 mm (23.5 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually.Foz do Arelho enjoys an average of 3770 hours of sunshine throughout the year, and daylight varies from 9 hours 25 minutes to 14 hours 53 minutes per day.

Monthly average temperatures in Foz do Arelho, Leiria, Portugal §

The warmest months in Foz do Arelho are July, August and September, with daily mean temperatures ranging from 19 to 20 °C (67 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 13 °C (54 - 56 °F) throughout the day. On average each year, Foz do Arelho experiences 11 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 Foz do Arelho, Leiria, 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 19°C
(67°F)		 21°C
(70°F)		 25°C
(77°F)		 25°C
(77°F)		 30°C
(87°F)		 29°C
(85°F)		 31°C
(87°F)		 31°C
(89°F)		 30°C
(86°F)		 30°C
(86°F)		 23°C
(73°F)		 18°C
(65°F)
Mean maximum 17°C
(62°F)		 19°C
(67°F)		 21°C
(70°F)		 22°C
(71°F)		 26°C
(79°F)		 25°C
(77°F)		 27°C
(81°F)		 27°C
(81°F)		 28°C
(82°F)		 25°C
(78°F)		 21°C
(70°F)		 18°C
(64°F)
Average high 14°C
(57°F)		 15°C
(60°F)		 16°C
(60°F)		 17°C
(62°F)		 19°C
(67°F)		 20°C
(68°F)		 21°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 20°C
(69°F)		 17°C
(62°F)		 15°C
(59°F)
Daily mean 12°C
(54°F)		 13°C
(56°F)		 13°C
(57°F)		 15°C
(59°F)		 17°C
(63°F)		 18°C
(65°F)		 19°C
(67°F)		 20°C
(68°F)		 19°C
(67°F)		 18°C
(64°F)		 15°C
(59°F)		 13°C
(56°F)
Average low 10°C
(51°F)		 11°C
(52°F)		 12°C
(53°F)		 13°C
(55°F)		 15°C
(59°F)		 16°C
(61°F)		 17°C
(64°F)		 18°C
(64°F)		 17°C
(63°F)		 16°C
(61°F)		 13°C
(56°F)		 12°C
(54°F)
Mean minimum 6°C
(44°F)		 8°C
(47°F)		 9°C
(48°F)		 9°C
(49°F)		 12°C
(53°F)		 15°C
(59°F)		 16°C
(61°F)		 16°C
(61°F)		 15°C
(60°F)		 12°C
(55°F)		 10°C
(51°F)		 9°C
(48°F)
Minimum 4°C
(40°F)		 6°C
(43°F)		 7°C
(45°F)		 8°C
(47°F)		 11°C
(51°F)		 13°C
(56°F)		 15°C
(59°F)		 16°C
(61°F)		 14°C
(58°F)		 9°C
(49°F)		 10°C
(49°F)		 7°C
(45°F)

Compare climate in Foz do Arelho with other places

Compare temperature, precipitation, sunshine, UV index in Foz do Arelho, Leiria, Portugal with other places around the world.

Monthly average precipitation in Foz do Arelho, Leiria, Portugal §

Foz do Arelho usually has the most precipitation in March, April and November, with an average of 11 rainy days and 81 mm (3.2 inches) of precipitation per month.The driest months in Foz do Arelho are June, July and August. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Foz do Arelho, Leiria, 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) 50 (2.0) 55 (2.1) 73 (2.9) 80 (3.1) 39 (1.5) 24 (1.0) 12 (0.5) 7 (0.3) 24 (1.0) 69 (2.7) 91 (3.6) 73 (2.9)
Average precipitation days (≥ 1 mm) 7 8 9 12 6 7 2 1 3 8 13 11

Monthly sunshine hours in Foz do Arelho, Leiria, Portugal §

The sunniest months in Foz do Arelho are May, June and July, when the sun shines an average of 13 hours 22 minutes a day.Least sunny months in Foz do Arelho: January, February and December receive an average of 6 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Foz do Arelho, Leiria, 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 177 225 299 347 406 405 418 392 347 309 227 212
Mean daily daylight hours 9h 43m 10h 42m 11h 58m 13h 15m 14h 21m 14h 53m 14h 36m 13h 38m 12h 24m 11h 7m 9h 59m 9h 25m

Solar UV radiation in Foz do Arelho, Leiria, Portugal §

Foz do Arelho experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 9 - 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 Foz do Arelho UV Index data.

Average daily maximum UV levels by month for Foz do Arelho, Leiria, 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) 3 5 6 9 9 11 10 9 8 6 4 3