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Monthly climate in Bilbao, Basque Country, Spain

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bilbao features a oceanic climate (Cfb).Temperatures typically range between 8 °C (46 °F) and 20 °C (67 °F) through the year, but rarely can drop to -2 °C (30 °F) or can rise to as high as 33 °C (93 °F).The average annual precipitation amounts to about 1221 mm (48.1 inches) and receives 171 rainy days on the 1 mm (0.04 inches) threshold annually.Bilbao enjoys an average of 3671 hours of sunshine throughout the year, and daylight varies from 9 hours 0 minutes to 15 hours 19 minutes per day.

Monthly average temperatures in Bilbao, Basque Country, Spain §

The warmest months in Bilbao are July, August and September, with daily mean temperatures ranging from 18 to 20 °C (65 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 10 °C (46 - 50 °F) throughout the day. On average each year, Bilbao experiences 14 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 Bilbao, Basque Country, Spain.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)		 22°C
(72°F)		 21°C
(70°F)		 23°C
(74°F)		 26°C
(80°F)		 32°C
(89°F)		 33°C
(91°F)		 33°C
(93°F)		 30°C
(86°F)		 27°C
(81°F)		 22°C
(72°F)		 19°C
(66°F)
Mean maximum 16°C
(62°F)		 19°C
(66°F)		 19°C
(67°F)		 22°C
(72°F)		 24°C
(75°F)		 26°C
(79°F)		 29°C
(85°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(78°F)		 21°C
(70°F)		 18°C
(64°F)
Average high 11°C
(52°F)		 13°C
(56°F)		 14°C
(57°F)		 15°C
(59°F)		 18°C
(64°F)		 20°C
(69°F)		 22°C
(72°F)		 23°C
(73°F)		 22°C
(71°F)		 19°C
(66°F)		 14°C
(58°F)		 13°C
(55°F)
Daily mean 8°C
(46°F)		 10°C
(50°F)		 10°C
(51°F)		 12°C
(54°F)		 14°C
(58°F)		 17°C
(63°F)		 19°C
(67°F)		 20°C
(67°F)		 18°C
(65°F)		 15°C
(59°F)		 11°C
(53°F)		 10°C
(50°F)
Average low 5°C
(42°F)		 7°C
(44°F)		 7°C
(46°F)		 9°C
(48°F)		 11°C
(52°F)		 14°C
(58°F)		 16°C
(62°F)		 17°C
(62°F)		 15°C
(59°F)		 12°C
(54°F)		 9°C
(49°F)		 7°C
(46°F)
Mean minimum 1°C
(34°F)		 2°C
(36°F)		 3°C
(37°F)		 4°C
(39°F)		 6°C
(44°F)		 11°C
(51°F)		 13°C
(56°F)		 13°C
(56°F)		 11°C
(51°F)		 7°C
(45°F)		 5°C
(40°F)		 3°C
(38°F)
Minimum -1°C
(30°F)		 -2°C
(30°F)		 -1°C
(30°F)		 1°C
(34°F)		 5°C
(41°F)		 9°C
(48°F)		 11°C
(53°F)		 12°C
(54°F)		 10°C
(50°F)		 5°C
(41°F)		 4°C
(39°F)		 2°C
(36°F)

Compare climate in Bilbao with other places

Compare temperature, precipitation, sunshine, UV index in Bilbao, Basque Country, Spain with other places around the world.

Monthly average precipitation in Bilbao, Basque Country, Spain §

Bilbao usually has the most precipitation in January, November and December, with an average of 16 rainy days and 143 mm (5.6 inches) of precipitation per month.The driest months in Bilbao are July, August and September. On average, 69 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bilbao, Basque Country, Spain.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) 117 (4.6) 103 (4.0) 98 (3.9) 92 (3.6) 82 (3.2) 103 (4.1) 65 (2.6) 62 (2.5) 81 (3.2) 105 (4.1) 158 (6.2) 154 (6.1)
Average precipitation days (≥ 1 mm) 13 13 17 15 15 14 12 12 12 13 18 17

Monthly sunshine hours in Bilbao, Basque Country, Spain §

The sunniest months in Bilbao are June, July and August, when the sun shines an average of 12 hours 34 minutes a day.Least sunny months in Bilbao: January, November and December receive an average of 6 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bilbao, Basque Country, Spain.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 171 240 312 332 375 376 400 380 331 293 231 225
Mean daily daylight hours 9h 21m 10h 30m 11h 57m 13h 26m 14h 41m 15h 19m 14h 59m 13h 52m 12h 27m 10h 58m 9h 40m 9h 0m

Solar UV radiation in Bilbao, Basque Country, Spain §

Bilbao experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Bilbao UV Index data.

Average daily maximum UV levels by month for Bilbao, Basque Country, Spain.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) 2 4 6 7 9 10 10 9 7 5 3 2