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Monthly climate in Ilhavo, Aveiro, Portugal

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ilhavo features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 10 °C (51 °F) and 20 °C (68 °F) through the year, but rarely can drop to 2 °C (35 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 884 mm (34.8 inches) and receives 99 rainy days on the 1 mm (0.04 inches) threshold annually.Ilhavo enjoys an average of 3711 hours of sunshine throughout the year, and daylight varies from 9 hours 18 minutes to 15 hours 1 minutes per day.

Monthly average temperatures in Ilhavo, Aveiro, Portugal §

The warmest months in Ilhavo are July, August and September, with daily mean temperatures ranging from 20 to 20 °C (68 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (51 - 54 °F) throughout the day. On average each year, Ilhavo experiences 28 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 Ilhavo, Aveiro, 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 20°C
(69°F)		 21°C
(71°F)		 26°C
(78°F)		 28°C
(82°F)		 31°C
(88°F)		 30°C
(86°F)		 33°C
(92°F)		 33°C
(91°F)		 31°C
(88°F)		 31°C
(88°F)		 23°C
(74°F)		 19°C
(66°F)
Mean maximum 17°C
(63°F)		 20°C
(68°F)		 21°C
(71°F)		 24°C
(75°F)		 28°C
(82°F)		 27°C
(81°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(85°F)		 26°C
(79°F)		 21°C
(70°F)		 18°C
(65°F)
Average high 14°C
(57°F)		 15°C
(60°F)		 16°C
(61°F)		 18°C
(64°F)		 20°C
(69°F)		 21°C
(71°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(75°F)		 21°C
(70°F)		 16°C
(62°F)		 15°C
(59°F)
Daily mean 10°C
(51°F)		 12°C
(54°F)		 13°C
(56°F)		 15°C
(58°F)		 17°C
(63°F)		 18°C
(65°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(68°F)		 17°C
(63°F)		 14°C
(57°F)		 12°C
(54°F)
Average low 8°C
(46°F)		 9°C
(49°F)		 10°C
(50°F)		 12°C
(53°F)		 14°C
(57°F)		 15°C
(60°F)		 17°C
(63°F)		 17°C
(62°F)		 16°C
(62°F)		 14°C
(58°F)		 11°C
(53°F)		 10°C
(50°F)
Mean minimum 4°C
(39°F)		 5°C
(41°F)		 6°C
(44°F)		 7°C
(46°F)		 10°C
(50°F)		 13°C
(56°F)		 14°C
(58°F)		 14°C
(58°F)		 13°C
(56°F)		 10°C
(50°F)		 7°C
(46°F)		 5°C
(42°F)
Minimum 2°C
(35°F)		 3°C
(37°F)		 5°C
(40°F)		 6°C
(43°F)		 8°C
(47°F)		 11°C
(52°F)		 13°C
(56°F)		 13°C
(56°F)		 11°C
(53°F)		 8°C
(46°F)		 6°C
(43°F)		 3°C
(37°F)

Compare climate in Ilhavo with other places

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

Monthly average precipitation in Ilhavo, Aveiro, Portugal §

Ilhavo usually has the most precipitation in March, November and December, with an average of 13 rainy days and 123 mm (4.9 inches) of precipitation per month.The driest months in Ilhavo are July, August and September. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ilhavo, Aveiro, 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) 70 (2.8) 98 (3.8) 108 (4.2) 106 (4.2) 62 (2.4) 32 (1.3) 12 (0.5) 12 (0.5) 31 (1.2) 92 (3.6) 130 (5.1) 133 (5.2)
Average precipitation days (≥ 1 mm) 8 10 11 12 8 7 2 2 3 8 14 14

Monthly sunshine hours in Ilhavo, Aveiro, Portugal §

The sunniest months in Ilhavo are May, June and July, when the sun shines an average of 13 hours 23 minutes a day.Least sunny months in Ilhavo: January, November and December receive an average of 6 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ilhavo, Aveiro, 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 169 217 294 346 406 405 420 389 344 305 215 196
Mean daily daylight hours 9h 37m 10h 39m 11h 57m 13h 18m 14h 27m 15h 1m 14h 43m 13h 42m 12h 24m 11h 4m 9h 54m 9h 18m

Solar UV radiation in Ilhavo, Aveiro, Portugal §

Ilhavo 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, 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 Ilhavo UV Index data.

Average daily maximum UV levels by month for Ilhavo, Aveiro, 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 8 9 10 10 9 8 6 4 2