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Monthly climate in Vales do Rio, Castelo Branco, Portugal

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Vales do Rio features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 6 °C (43 °F) and 22 °C (72 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 912 mm (35.9 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually.Vales do Rio enjoys an average of 3677 hours of sunshine throughout the year, and daylight varies from 9 hours 21 minutes to 14 hours 58 minutes per day.

Monthly average temperatures in Vales do Rio, Castelo Branco, Portugal §

The warmest months in Vales do Rio are July, August and September, with daily mean temperatures ranging from 19 to 22 °C (67 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 8 °C (43 - 47 °F) throughout the day. On average each year, Vales do Rio experiences 82 days above 25 °C (77.0 °F) and 12 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Vales do Rio, Castelo Branco, 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 16°C
(61°F)		 21°C
(70°F)		 24°C
(75°F)		 25°C
(78°F)		 30°C
(86°F)		 37°C
(100°F)		 37°C
(98°F)		 38°C
(101°F)		 33°C
(92°F)		 30°C
(87°F)		 21°C
(69°F)		 17°C
(63°F)
Mean maximum 15°C
(59°F)		 18°C
(65°F)		 21°C
(69°F)		 24°C
(75°F)		 28°C
(84°F)		 32°C
(89°F)		 34°C
(94°F)		 36°C
(96°F)		 32°C
(90°F)		 27°C
(81°F)		 19°C
(66°F)		 16°C
(61°F)
Average high 10°C
(51°F)		 13°C
(56°F)		 14°C
(58°F)		 16°C
(62°F)		 21°C
(71°F)		 24°C
(76°F)		 29°C
(84°F)		 29°C
(85°F)		 26°C
(78°F)		 20°C
(69°F)		 13°C
(56°F)		 11°C
(53°F)
Daily mean 6°C
(43°F)		 8°C
(47°F)		 10°C
(49°F)		 12°C
(54°F)		 16°C
(61°F)		 19°C
(66°F)		 22°C
(72°F)		 22°C
(72°F)		 19°C
(67°F)		 15°C
(60°F)		 10°C
(49°F)		 8°C
(46°F)
Average low 2°C
(37°F)		 5°C
(40°F)		 5°C
(42°F)		 7°C
(46°F)		 10°C
(51°F)		 13°C
(56°F)		 16°C
(60°F)		 16°C
(61°F)		 14°C
(58°F)		 10°C
(51°F)		 6°C
(44°F)		 5°C
(41°F)
Mean minimum -2°C
(29°F)		 -0°C
(32°F)		 1°C
(33°F)		 1°C
(35°F)		 4°C
(40°F)		 9°C
(48°F)		 10°C
(51°F)		 10°C
(51°F)		 9°C
(49°F)		 4°C
(40°F)		 1°C
(35°F)		 -0°C
(32°F)
Minimum -4°C
(25°F)		 -2°C
(28°F)		 -0°C
(32°F)		 -1°C
(31°F)		 2°C
(35°F)		 6°C
(43°F)		 8°C
(47°F)		 10°C
(49°F)		 7°C
(45°F)		 -0°C
(32°F)		 -2°C
(29°F)		 -2°C
(29°F)

Compare climate in Vales do Rio with other places

Compare temperature, precipitation, sunshine, UV index in Vales do Rio, Castelo Branco, Portugal with other places around the world.

Monthly average precipitation in Vales do Rio, Castelo Branco, Portugal §

Vales do Rio usually has the most precipitation in March, April and November, with an average of 12 rainy days and 126 mm (5.0 inches) of precipitation per month.The driest months in Vales do Rio are June, July and August. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Vales do Rio, Castelo Branco, 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) 57 (2.2) 93 (3.6) 124 (4.9) 121 (4.8) 59 (2.3) 37 (1.4) 13 (0.5) 16 (0.6) 48 (1.9) 91 (3.6) 133 (5.2) 120 (4.7)
Average precipitation days (≥ 1 mm) 6 9 10 14 9 7 3 3 5 7 13 12

Monthly sunshine hours in Vales do Rio, Castelo Branco, Portugal §

The sunniest months in Vales do Rio are May, June and July, when the sun shines an average of 13 hours 26 minutes a day.Least sunny months in Vales do Rio: January, November and December receive an average of 6 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Vales do Rio, Castelo Branco, 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 161 210 283 338 402 404 429 402 345 306 209 183
Mean daily daylight hours 9h 40m 10h 40m 11h 57m 13h 17m 14h 24m 14h 58m 14h 40m 13h 40m 12h 24m 11h 5m 9h 56m 9h 21m

Solar UV radiation in Vales do Rio, Castelo Branco, Portugal §

Vales do Rio 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, February 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 Vales do Rio UV Index data.

Average daily maximum UV levels by month for Vales do Rio, Castelo Branco, 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 4 6 9 10 11 10 9 8 6 4 3