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Monthly climate in Mertola, Beja, Portugal

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mertola 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 -3 °C (27 °F) or can rise to as high as 44 °C (112 °F).The average annual precipitation amounts to about 369 mm (14.5 inches) and receives 49 rainy days on the 1 mm (0.04 inches) threshold annually.Mertola enjoys an average of 3832 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Mertola, Beja, Portugal §

The warmest months in Mertola 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 - 54 °F) throughout the day. On average each year, Mertola experiences 135 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 Mertola, Beja, 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 22°C
(71°F)		 24°C
(75°F)		 28°C
(82°F)		 31°C
(88°F)		 36°C
(97°F)		 43°C
(109°F)		 42°C
(109°F)		 44°C
(112°F)		 38°C
(101°F)		 35°C
(95°F)		 25°C
(78°F)		 21°C
(70°F)
Mean maximum 19°C
(67°F)		 22°C
(72°F)		 25°C
(77°F)		 28°C
(82°F)		 34°C
(93°F)		 36°C
(98°F)		 39°C
(102°F)		 40°C
(104°F)		 36°C
(98°F)		 33°C
(91°F)		 24°C
(75°F)		 20°C
(69°F)
Average high 15°C
(59°F)		 17°C
(64°F)		 19°C
(66°F)		 21°C
(70°F)		 27°C
(80°F)		 29°C
(84°F)		 32°C
(91°F)		 34°C
(93°F)		 31°C
(87°F)		 26°C
(79°F)		 19°C
(66°F)		 16°C
(62°F)
Daily mean 9°C
(49°F)		 12°C
(54°F)		 13°C
(56°F)		 15°C
(60°F)		 20°C
(68°F)		 22°C
(72°F)		 24°C
(76°F)		 26°C
(78°F)		 23°C
(74°F)		 19°C
(67°F)		 14°C
(57°F)		 11°C
(53°F)
Average low 5°C
(41°F)		 7°C
(45°F)		 8°C
(47°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)		 13°C
(56°F)		 10°C
(49°F)		 7°C
(46°F)
Mean minimum -0°C
(32°F)		 3°C
(37°F)		 3°C
(38°F)		 6°C
(43°F)		 8°C
(47°F)		 11°C
(53°F)		 13°C
(56°F)		 14°C
(58°F)		 12°C
(54°F)		 8°C
(47°F)		 4°C
(40°F)		 2°C
(36°F)
Minimum -3°C
(27°F)		 0°C
(32°F)		 2°C
(35°F)		 4°C
(39°F)		 5°C
(42°F)		 10°C
(50°F)		 12°C
(55°F)		 13°C
(57°F)		 11°C
(51°F)		 6°C
(43°F)		 3°C
(38°F)		 -1°C
(30°F)

Compare climate in Mertola with other places

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

Monthly average precipitation in Mertola, Beja, Portugal §

Mertola usually has the most precipitation in March, April and November, with an average of 8 rainy days and 57 mm (2.2 inches) of precipitation per month.The driest months in Mertola 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 Mertola, Beja, 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) 23 (0.9) 37 (1.5) 67 (2.7) 55 (2.2) 26 (1.0) 9 (0.4) 2 (0.1) 2 (0.1) 22 (0.8) 38 (1.5) 48 (1.9) 40 (1.6)
Average precipitation days (≥ 1 mm) 3 4 8 10 4 1 0 0 2 4 8 5

Monthly sunshine hours in Mertola, Beja, Portugal §

The sunniest months in Mertola are May, June and July, when the sun shines an average of 13 hours 27 minutes a day.Least sunny months in Mertola: January, February and December receive an average of 7 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mertola, Beja, 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 192 228 297 348 404 406 427 400 350 319 232 224
Mean daily daylight hours 9h 52m 10h 47m 11h 58m 13h 11m 14h 12m 14h 42m 14h 26m 13h 32m 12h 22m 11h 10m 10h 7m 9h 35m

Solar UV radiation in Mertola, Beja, Portugal §

Mertola experiences the highest level of ultraviolet (UV) radiation in June, July 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 Mertola UV Index data.

Average daily maximum UV levels by month for Mertola, Beja, 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 7 9 10 11 11 10 9 7 4 3