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Monthly climate in Ota, Portugal

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ota features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 10 °C (50 °F) and 22 °C (72 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 527 mm (20.8 inches) and receives 71 rainy days on the 1 mm (0.04 inches) threshold annually. Ota enjoys an average of 3810 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 50 minutes per day.

Monthly average temperatures in Ota, Portugal

The warmest months in Ota are July, August and September, with daily mean temperatures ranging from 21 to 22 °C (70 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (50 - 54 °F) throughout the day. On average each year, Ota experiences 92 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 Ota. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum20°C
(69°F)		25°C
(77°F)		27°C
(81°F)		29°C
(85°F)		36°C
(97°F)		41°C
(106°F)		39°C
(103°F)		43°C
(110°F)		36°C
(96°F)		34°C
(94°F)		25°C
(76°F)		20°C
(68°F)
Mean maximum18°C
(65°F)		22°C
(72°F)		24°C
(76°F)		26°C
(79°F)		32°C
(90°F)		34°C
(93°F)		35°C
(96°F)		36°C
(97°F)		34°C
(94°F)		30°C
(86°F)		22°C
(73°F)		19°C
(66°F)
Average high14°C
(58°F)		17°C
(62°F)		18°C
(64°F)		19°C
(67°F)		23°C
(74°F)		25°C
(77°F)		27°C
(82°F)		29°C
(84°F)		27°C
(82°F)		24°C
(75°F)		18°C
(64°F)		16°C
(60°F)
Daily mean10°C
(50°F)		12°C
(54°F)		13°C
(56°F)		15°C
(59°F)		18°C
(65°F)		19°C
(67°F)		21°C
(71°F)		22°C
(72°F)		21°C
(70°F)		18°C
(65°F)		14°C
(57°F)		12°C
(54°F)
Average low7°C
(44°F)		8°C
(47°F)		9°C
(49°F)		11°C
(52°F)		13°C
(56°F)		15°C
(59°F)		17°C
(62°F)		17°C
(63°F)		16°C
(62°F)		14°C
(57°F)		11°C
(51°F)		9°C
(48°F)
Mean minimum1°C
(33°F)		4°C
(39°F)		5°C
(42°F)		7°C
(44°F)		9°C
(49°F)		13°C
(55°F)		14°C
(58°F)		15°C
(59°F)		13°C
(55°F)		9°C
(49°F)		6°C
(43°F)		3°C
(38°F)
Minimum-2°C
(29°F)		1°C
(35°F)		4°C
(39°F)		5°C
(42°F)		8°C
(46°F)		11°C
(51°F)		13°C
(56°F)		14°C
(57°F)		11°C
(52°F)		7°C
(46°F)		5°C
(41°F)		1°C
(34°F)

Compare climate in Ota with other places

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

Monthly average precipitation in Ota, Portugal

Ota usually has the most precipitation in March, April and November, with an average of 10 rainy days and 80 mm (3.2 inches) of precipitation per month. The driest months in Ota are June, July and August. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ota. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)37 (1.4)52 (2.1)73 (2.9)83 (3.3)42 (1.6)12 (0.5)5 (0.2)4 (0.2)29 (1.1)47 (1.9)84 (3.3)60 (2.4)
Average precipitation days (≥ 1 mm)57813541135118

Monthly sunshine hours in Ota, Portugal

The sunniest months in Ota are May, June and July, when the sun shines an average of 13 hours 27 minutes a day. Least sunny months in Ota: January, February and December receive an average of 6 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ota. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours180227305351407409420394349312232218
Mean daily daylight hours9h 46m10h 44m11h 58m13h 14m14h 18m14h 50m14h 33m13h 36m12h 23m11h 8m10h 1m9h 28m

Solar UV radiation in Ota, Portugal

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

Average daily maximum UV levels by month for Ota. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)356910111098643