Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Viseu features a tropical monsoon climate (Am).Temperatures typically range between 26 °C (79 °F) and 28 °C (82 °F) through the year, but rarely can drop to 21 °C (70 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 3023 mm (119.0 inches) and receives 273 rainy days on the 1 mm (0.04 inches) threshold annually.Viseu enjoys an average of 3615 hours of sunshine throughout the year, and daylight varies from 12 hours 2 minutes to 12 hours 10 minutes per day.
The warmest months in Viseu are October, November and December, with daily mean temperatures ranging from 27 to 28 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 26 to 26 °C (79 - 79 °F) throughout the day. On average each year, Viseu experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 32°C (90°F) | 32°C (90°F) | 32°C (89°F) | 32°C (90°F) | 32°C (90°F) | 32°C (90°F) | 32°C (89°F) | 32°C (90°F) | 33°C (91°F) | 33°C (92°F) | 33°C (92°F) | 33°C (92°F) |
Mean maximum | 32°C (89°F) | 32°C (89°F) | 31°C (88°F) | 31°C (88°F) | 32°C (89°F) | 31°C (88°F) | 31°C (89°F) | 32°C (89°F) | 32°C (90°F) | 33°C (91°F) | 33°C (91°F) | 32°C (90°F) |
Average high | 30°C (85°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (87°F) | 31°C (88°F) | 32°C (89°F) | 32°C (89°F) | 31°C (88°F) |
Daily mean | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (80°F) | 26°C (80°F) | 26°C (80°F) | 27°C (80°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) |
Average low | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 23°C (74°F) | 24°C (75°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) |
Mean minimum | 23°C (73°F) | 22°C (73°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 22°C (71°F) | 22°C (72°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) |
Minimum | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 21°C (70°F) | 21°C (71°F) | 22°C (72°F) | 22°C (72°F) | 23°C (73°F) | 22°C (72°F) |
Compare temperature, precipitation, sunshine, UV index in Viseu, Pará, Brazil with other places around the world.
Viseu usually has the most precipitation in February, March and April, with an average of 29 rainy days and 585 mm (23.0 inches) of precipitation per month.The driest months in Viseu are September, October and November. On average, 45 mm (1.8 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 241 (9.5) | 616 (24.3) | 602 (23.7) | 537 (21.2) | 366 (14.4) | 197 (7.8) | 131 (5.2) | 66 (2.6) | 43 (1.7) | 39 (1.5) | 55 (2.2) | 130 (5.1) |
Average precipitation days (≥ 1 mm) | 25 | 28 | 31 | 30 | 29 | 28 | 25 | 21 | 13 | 9 | 13 | 21 |
The sunniest months in Viseu are July, August and October, when the sun shines an average of 11 hours 9 minutes a day.Least sunny months in Viseu: January, February and April receive an average of 8 hours 9 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 242 | 241 | 257 | 250 | 290 | 315 | 344 | 346 | 339 | 347 | 328 | 311 |
Mean daily daylight hours | 12h 10m | 12h 8m | 12h 5m | 12h 4m | 12h 3m | 12h 2m | 12h 2m | 12h 3m | 12h 5m | 12h 7m | 12h 9m | 12h 10m |
Viseu experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure.June, July and October are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Viseu UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 14 | 15 | 16 | 16 | 14 | 12 | 11 | 13 | 13 | 13 | 13 | 13 |