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Monthly climate in Ribeirao, Portugal

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ribeirao 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. Ribeirao 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 Ribeirao, Portugal

The warmest months in Ribeirao 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, Ribeirao 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 Ribeirao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum21°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 maximum17°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 high13°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 mean9°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 low6°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 minimum1°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)
Minimum0°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 Ribeirao with other places

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

Monthly average precipitation in Ribeirao, Portugal

Ribeirao 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 Ribeirao 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 Ribeirao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
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)811111398446101315

Monthly sunshine hours in Ribeirao, Portugal

The sunniest months in Ribeirao are May, June and July, when the sun shines an average of 13 hours 27 minutes a day. Least sunny months in Ribeirao: 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 Ribeirao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours159210286343404406426396345301206181
Mean daily daylight hours9h 34m10h 37m11h 57m13h 20m14h 29m15h 4m14h 46m13h 44m12h 25m11h 3m9h 51m9h 15m

Solar UV radiation in Ribeirao, Portugal

Ribeirao 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 Ribeirao UV Index data.

Average daily maximum UV levels by month for Ribeirao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)24689111098642