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Monthly climate in Castelo Branco, Azores, Portugal

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Castelo Branco features a oceanic climate (Cfb).Temperatures typically range between 15 °C (59 °F) and 22 °C (73 °F) through the year, but rarely can drop to 9 °C (49 °F) or can rise to as high as 25 °C (77 °F).The average annual precipitation amounts to about 857 mm (33.8 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually.Castelo Branco enjoys an average of 3360 hours of sunshine throughout the year, and daylight varies from 9 hours 30 minutes to 14 hours 47 minutes per day.

Monthly average temperatures in Castelo Branco, Azores, Portugal §

The warmest months in Castelo Branco are July, August and September, with daily mean temperatures ranging from 21 to 22 °C (70 - 73 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 15 to 15 °C (59 - 60 °F) throughout the day. On average each year, Castelo Branco experiences 0 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 Castelo Branco, Azores, 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
(66°F)		 18°C
(64°F)		 18°C
(65°F)		 18°C
(65°F)		 20°C
(67°F)		 23°C
(73°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(76°F)		 22°C
(71°F)		 20°C
(68°F)
Mean maximum 18°C
(65°F)		 17°C
(64°F)		 17°C
(63°F)		 18°C
(64°F)		 19°C
(66°F)		 20°C
(69°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 21°C
(70°F)		 19°C
(67°F)
Average high 17°C
(62°F)		 16°C
(61°F)		 16°C
(61°F)		 16°C
(61°F)		 17°C
(64°F)		 19°C
(67°F)		 22°C
(71°F)		 23°C
(74°F)		 23°C
(73°F)		 21°C
(70°F)		 19°C
(66°F)		 18°C
(64°F)
Daily mean 16°C
(61°F)		 15°C
(59°F)		 15°C
(60°F)		 15°C
(60°F)		 17°C
(62°F)		 19°C
(66°F)		 21°C
(70°F)		 22°C
(73°F)		 22°C
(72°F)		 20°C
(69°F)		 18°C
(65°F)		 17°C
(63°F)
Average low 15°C
(60°F)		 14°C
(58°F)		 14°C
(58°F)		 15°C
(59°F)		 16°C
(61°F)		 18°C
(65°F)		 20°C
(69°F)		 22°C
(72°F)		 21°C
(71°F)		 20°C
(68°F)		 17°C
(64°F)		 16°C
(61°F)
Mean minimum 13°C
(56°F)		 11°C
(52°F)		 12°C
(54°F)		 12°C
(54°F)		 13°C
(56°F)		 15°C
(60°F)		 19°C
(66°F)		 20°C
(69°F)		 20°C
(68°F)		 17°C
(62°F)		 15°C
(58°F)		 13°C
(56°F)
Minimum 12°C
(53°F)		 9°C
(49°F)		 10°C
(51°F)		 9°C
(49°F)		 12°C
(53°F)		 14°C
(57°F)		 18°C
(64°F)		 20°C
(68°F)		 19°C
(66°F)		 15°C
(59°F)		 14°C
(57°F)		 12°C
(54°F)

Compare climate in Castelo Branco with other places

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

Monthly average precipitation in Castelo Branco, Azores, Portugal §

Castelo Branco usually has the most precipitation in January, November and December, with an average of 13 rainy days and 108 mm (4.2 inches) of precipitation per month.The driest months in Castelo Branco are June, July and September. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Castelo Branco, Azores, 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) 90 (3.6) 79 (3.1) 63 (2.5) 75 (3.0) 63 (2.5) 38 (1.5) 27 (1.1) 58 (2.3) 57 (2.2) 74 (2.9) 124 (4.9) 108 (4.3)
Average precipitation days (≥ 1 mm) 12 14 10 14 11 6 5 9 11 12 15 14

Monthly sunshine hours in Castelo Branco, Azores, Portugal §

The sunniest months in Castelo Branco are June, July and August, when the sun shines an average of 12 hours 0 minutes a day.Least sunny months in Castelo Branco: January, November and December receive an average of 6 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Castelo Branco, Azores, 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 152 211 262 292 334 355 387 361 318 275 206 199
Mean daily daylight hours 9h 48m 10h 45m 11h 58m 13h 13m 14h 16m 14h 47m 14h 31m 13h 35m 12h 23m 11h 8m 10h 3m 9h 30m

Solar UV radiation in Castelo Branco, Azores, Portugal §

Castelo Branco experiences the highest level of ultraviolet (UV) radiation in May, June 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 Castelo Branco UV Index data.

Average daily maximum UV levels by month for Castelo Branco, Azores, 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 10 10 9 7 4 3