Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Saint-Pierre features a ice cap climate ET).Temperatures typically range between -9 °C (16 °F) and 12 °C (55 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 25 °C (77 °F).The average annual precipitation amounts to about 1300 mm (51.2 inches) and receives 175 rainy days on the 1 mm (0.04 inches) threshold annually.Saint-Pierre enjoys an average of 3695 hours of sunshine throughout the year, and daylight varies from 8 hours 43 minutes to 15 hours 38 minutes per day.
The warmest months in Saint-Pierre are June, July and August, with daily mean temperatures ranging from 10 to 12 °C (50 - 55 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -6 °C (16 - 22 °F) throughout the day. On average each year, Saint-Pierre experiences 0 days above 25 °C (77.0 °F) and 197 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 4°C (39°F) | 8°C (47°F) | 10°C (50°F) | 12°C (54°F) | 18°C (65°F) | 25°C (77°F) | 25°C (76°F) | 23°C (74°F) | 20°C (68°F) | 15°C (60°F) | 12°C (54°F) | 4°C (39°F) |
Mean maximum | -0°C (32°F) | 5°C (41°F) | 7°C (45°F) | 10°C (50°F) | 15°C (60°F) | 19°C (67°F) | 22°C (72°F) | 23°C (73°F) | 18°C (65°F) | 13°C (56°F) | 7°C (46°F) | 2°C (36°F) |
Average high | -6°C (22°F) | -2°C (29°F) | 0°C (33°F) | 4°C (40°F) | 8°C (48°F) | 15°C (59°F) | 18°C (64°F) | 17°C (63°F) | 13°C (56°F) | 8°C (47°F) | 0°C (33°F) | -5°C (24°F) |
Daily mean | -9°C (16°F) | -6°C (22°F) | -4°C (25°F) | 0°C (32°F) | 4°C (40°F) | 10°C (50°F) | 12°C (55°F) | 12°C (54°F) | 8°C (47°F) | 4°C (39°F) | -3°C (27°F) | -8°C (18°F) |
Average low | -13°C (10°F) | -10°C (15°F) | -8°C (18°F) | -4°C (25°F) | 0°C (32°F) | 6°C (42°F) | 7°C (46°F) | 7°C (45°F) | 4°C (39°F) | -0°C (32°F) | -6°C (21°F) | -11°C (12°F) |
Mean minimum | -22°C (-7°F) | -18°C (1°F) | -17°C (1°F) | -12°C (10°F) | -6°C (21°F) | 0°C (33°F) | 3°C (38°F) | 1°C (35°F) | -2°C (28°F) | -5°C (24°F) | -17°C (1°F) | -20°C (-4°F) |
Minimum | -25°C (-13°F) | -22°C (-7°F) | -25°C (-13°F) | -16°C (4°F) | -12°C (11°F) | -3°C (27°F) | 1°C (34°F) | 0°C (33°F) | -7°C (20°F) | -8°C (17°F) | -23°C (-9°F) | -23°C (-9°F) |
Compare temperature, precipitation, sunshine, UV index in Saint-Pierre, Aosta Valley, Italy with other places around the world.
Saint-Pierre usually has the most precipitation in May, October and December, with an average of 16 rainy days and 144 mm (5.7 inches) of precipitation per month.The driest months in Saint-Pierre are February, April and September. On average, 76 mm (3.0 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 114 (4.5) | 79 (3.1) | 106 (4.2) | 83 (3.3) | 144 (5.7) | 104 (4.1) | 98 (3.9) | 101 (4.0) | 64 (2.5) | 124 (4.9) | 117 (4.6) | 165 (6.5) |
Average precipitation days (≥ 1 mm) | 10 | 12 | 15 | 11 | 20 | 18 | 16 | 14 | 14 | 13 | 15 | 17 |
The sunniest months in Saint-Pierre are June, July and August, when the sun shines an average of 13 hours 12 minutes a day.Least sunny months in Saint-Pierre: January, November and December receive an average of 6 hours 35 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 180 | 239 | 309 | 339 | 367 | 397 | 423 | 393 | 328 | 289 | 215 | 211 |
Mean daily daylight hours | 9h 6m | 10h 21m | 11h 56m | 13h 33m | 14h 56m | 15h 38m | 15h 16m | 14h 2m | 12h 29m | 10h 52m | 9h 27m | 8h 43m |
Saint-Pierre experiences the highest level of ultraviolet (UV) radiation in June, July 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 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 Saint-Pierre UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 5 | 8 | 9 | 10 | 11 | 11 | 10 | 8 | 6 | 3 | 2 |