Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Prairie du Sac features a humid continental climate (Dfb). Temperatures typically range between -6 °C (21 °F) and 23 °C (74 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1011 mm (39.8 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually. Prairie du Sac enjoys an average of 2883 hours of sunshine throughout the year, and daylight varies from 9 hours 1 minutes to 15 hours 18 minutes per day.
The warmest months in Prairie du Sac are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -2 °C (21 - 29 °F) throughout the day. On average each year, Prairie du Sac experiences 73 days above 25 °C (77.0 °F) and 129 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 10°C (51°F) |
20°C (68°F) |
22°C (72°F) |
27°C (80°F) |
34°C (93°F) |
34°C (94°F) |
35°C (95°F) |
33°C (91°F) |
33°C (92°F) |
30°C (86°F) |
22°C (72°F) |
18°C (65°F) |
| Mean maximum | 7°C (45°F) |
12°C (53°F) |
17°C (63°F) |
24°C (76°F) |
31°C (87°F) |
32°C (90°F) |
33°C (92°F) |
30°C (87°F) |
30°C (86°F) |
28°C (82°F) |
17°C (62°F) |
13°C (56°F) |
| Average high | -3°C (28°F) |
-1°C (31°F) |
7°C (44°F) |
12°C (55°F) |
20°C (68°F) |
26°C (79°F) |
28°C (83°F) |
26°C (80°F) |
23°C (74°F) |
15°C (59°F) |
6°C (43°F) |
2°C (35°F) |
| Daily mean | -6°C (21°F) |
-6°C (22°F) |
2°C (36°F) |
8°C (46°F) |
15°C (59°F) |
21°C (70°F) |
23°C (74°F) |
22°C (71°F) |
18°C (65°F) |
10°C (51°F) |
2°C (36°F) |
-2°C (29°F) |
| Average low | -10°C (13°F) |
-11°C (13°F) |
-3°C (28°F) |
3°C (37°F) |
10°C (51°F) |
16°C (61°F) |
19°C (66°F) |
16°C (62°F) |
13°C (55°F) |
6°C (43°F) |
-2°C (29°F) |
-6°C (22°F) |
| Mean minimum | -25°C (-13°F) |
-25°C (-12°F) |
-16°C (4°F) |
-5°C (24°F) |
1°C (35°F) |
11°C (53°F) |
14°C (58°F) |
11°C (52°F) |
5°C (42°F) |
-3°C (26°F) |
-11°C (13°F) |
-16°C (3°F) |
| Minimum | -32°C (-26°F) |
-33°C (-27°F) |
-25°C (-12°F) |
-9°C (16°F) |
-1°C (31°F) |
8°C (46°F) |
12°C (54°F) |
9°C (49°F) |
2°C (36°F) |
-5°C (23°F) |
-16°C (4°F) |
-23°C (-8°F) |
Compare temperature, precipitation, sunshine, UV index in Prairie du Sac, Wisconsin, United States with other places around the world.
Prairie du Sac usually has the most precipitation in May, September and October, with an average of 12 rainy days and 121 mm (4.7 inches) of precipitation per month. The driest months in Prairie du Sac are January, November and December. 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) | 47 (1.9) | 54 (2.1) | 58 (2.3) | 89 (3.5) | 129 (5.1) | 115 (4.5) | 88 (3.4) | 110 (4.3) | 116 (4.6) | 116 (4.6) | 44 (1.7) | 44 (1.7) |
| Average precipitation days (≥ 1 mm) | 8 | 8 | 9 | 12 | 14 | 12 | 10 | 11 | 10 | 14 | 7 | 6 |
The sunniest months in Prairie du Sac are June, July and August, when the sun shines an average of 10 hours 58 minutes a day. Least sunny months in Prairie du Sac: January, November and December receive an average of 5 hours 16 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 125 | 194 | 227 | 236 | 263 | 323 | 355 | 329 | 262 | 202 | 184 | 175 |
| Mean daily daylight hours | 9h 23m | 10h 31m | 11h 57m | 13h 26m | 14h 41m | 15h 18m | 14h 58m | 13h 51m | 12h 26m | 10h 58m | 9h 41m | 9h 1m |
Prairie du Sac 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 Prairie du Sac UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 3 | 4 | 5 | 8 | 9 | 10 | 10 | 9 | 8 | 5 | 3 | 2 |
Discover in-depth weather details for every month in Prairie du Sac. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Prairie du Sac's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.