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Monthly climate in Sao Joao, Aveiro, Portugal

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sao Joao features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 9 °C (48 °F) and 21 °C (69 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1186 mm (46.7 inches) and receives 112 rainy days on the 1 mm (0.04 inches) threshold annually.Sao Joao enjoys an average of 3685 hours of sunshine throughout the year, and daylight varies from 9 hours 16 minutes to 15 hours 2 minutes per day.

Monthly average temperatures in Sao Joao, Aveiro, Portugal §

The warmest months in Sao Joao are July, August and September, with daily mean temperatures ranging from 20 to 21 °C (68 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 11 °C (48 - 52 °F) throughout the day. On average each year, Sao Joao experiences 56 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sao Joao, 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 21°C
(70°F)		 23°C
(73°F)		 26°C
(80°F)		 29°C
(84°F)		 32°C
(90°F)		 34°C
(93°F)		 37°C
(98°F)		 37°C
(99°F)		 35°C
(95°F)		 34°C
(93°F)		 23°C
(74°F)		 19°C
(67°F)
Mean maximum 17°C
(63°F)		 21°C
(70°F)		 22°C
(72°F)		 25°C
(78°F)		 30°C
(86°F)		 30°C
(86°F)		 33°C
(92°F)		 34°C
(93°F)		 33°C
(91°F)		 28°C
(82°F)		 21°C
(70°F)		 18°C
(65°F)
Average high 13°C
(56°F)		 15°C
(60°F)		 16°C
(61°F)		 18°C
(65°F)		 22°C
(71°F)		 23°C
(73°F)		 26°C
(78°F)		 26°C
(80°F)		 25°C
(78°F)		 21°C
(71°F)		 16°C
(61°F)		 14°C
(58°F)
Daily mean 9°C
(48°F)		 11°C
(52°F)		 12°C
(54°F)		 14°C
(57°F)		 17°C
(62°F)		 18°C
(65°F)		 20°C
(69°F)		 21°C
(69°F)		 20°C
(68°F)		 16°C
(62°F)		 12°C
(54°F)		 10°C
(51°F)
Average low 5°C
(42°F)		 7°C
(45°F)		 8°C
(47°F)		 10°C
(50°F)		 12°C
(54°F)		 14°C
(57°F)		 16°C
(61°F)		 16°C
(61°F)		 15°C
(59°F)		 12°C
(54°F)		 9°C
(48°F)		 8°C
(46°F)
Mean minimum 0°C
(33°F)		 2°C
(35°F)		 3°C
(38°F)		 5°C
(41°F)		 7°C
(45°F)		 11°C
(52°F)		 12°C
(53°F)		 12°C
(53°F)		 11°C
(52°F)		 7°C
(44°F)		 4°C
(40°F)		 2°C
(36°F)
Minimum -2°C
(29°F)		 -1°C
(30°F)		 1°C
(34°F)		 3°C
(37°F)		 5°C
(41°F)		 8°C
(47°F)		 10°C
(51°F)		 11°C
(52°F)		 9°C
(49°F)		 4°C
(40°F)		 2°C
(36°F)		 -1°C
(30°F)

Compare climate in Sao Joao with other places

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

Monthly average precipitation in Sao Joao, Aveiro, Portugal §

Sao Joao usually has the most precipitation in April, November and December, with an average of 13 rainy days and 164 mm (6.5 inches) of precipitation per month.The driest months in Sao Joao are July, August and September. On average, 28 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sao Joao, 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) 88 (3.5) 134 (5.3) 141 (5.6) 144 (5.7) 80 (3.1) 52 (2.0) 21 (0.8) 18 (0.7) 46 (1.8) 113 (4.5) 161 (6.4) 187 (7.3)
Average precipitation days (≥ 1 mm) 7 11 12 14 10 9 3 3 6 10 13 14

Monthly sunshine hours in Sao Joao, Aveiro, Portugal §

The sunniest months in Sao Joao are May, June and July, when the sun shines an average of 13 hours 27 minutes a day.Least sunny months in Sao Joao: 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 Sao Joao, 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 163 213 288 343 405 407 425 395 345 302 209 186
Mean daily daylight hours 9h 36m 10h 38m 11h 57m 13h 19m 14h 28m 15h 2m 14h 44m 13h 43m 12h 25m 11h 4m 9h 53m 9h 16m

Solar UV radiation in Sao Joao, Aveiro, Portugal §

Sao Joao 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 Sao Joao UV Index data.

Average daily maximum UV levels by month for Sao Joao, 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) 2 4 6 8 9 11 10 9 8 6 4 2