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Monthly climate in Sao Martinho do Porto, Leiria, Portugal

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sao Martinho do Porto 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.Sao Martinho do Porto 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 Sao Martinho do Porto, Leiria, Portugal §

The warmest months in Sao Martinho do Porto 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, Sao Martinho do Porto 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 Sao Martinho do Porto, 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 Sao Martinho do Porto with other places

Compare temperature, precipitation, sunshine, UV index in Sao Martinho do Porto, Leiria, Portugal with other places around the world.

Monthly average precipitation in Sao Martinho do Porto, Leiria, Portugal §

Sao Martinho do Porto 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 Sao Martinho do Porto 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 Sao Martinho do Porto, 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 Sao Martinho do Porto, Leiria, Portugal §

The sunniest months in Sao Martinho do Porto are May, June and July, when the sun shines an average of 13 hours 22 minutes a day.Least sunny months in Sao Martinho do Porto: 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 Sao Martinho do Porto, 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 Sao Martinho do Porto, Leiria, Portugal §

Sao Martinho do Porto 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 Sao Martinho do Porto UV Index data.

Average daily maximum UV levels by month for Sao Martinho do Porto, 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