Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Lancaster features a humid continental climate (Dfa).Temperatures typically range between -6 °C (21 °F) and 24 °C (76 °F) through the year, but rarely can drop to -34 °C (-29 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 1048 mm (41.3 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually.Lancaster enjoys an average of 2952 hours of sunshine throughout the year, and daylight varies from 9 hours 3 minutes to 15 hours 16 minutes per day.
The warmest months in Lancaster are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (72 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -1 °C (21 - 30 °F) throughout the day. On average each year, Lancaster experiences 78 days above 25 °C (77.0 °F) and 123 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 10°C (50°F) | 21°C (69°F) | 23°C (73°F) | 27°C (81°F) | 34°C (94°F) | 34°C (94°F) | 35°C (96°F) | 33°C (91°F) | 33°C (92°F) | 30°C (87°F) | 22°C (73°F) | 20°C (68°F) |
Mean maximum | 7°C (45°F) | 12°C (53°F) | 18°C (65°F) | 25°C (77°F) | 31°C (89°F) | 32°C (90°F) | 33°C (92°F) | 31°C (88°F) | 31°C (88°F) | 29°C (84°F) | 17°C (63°F) | 14°C (57°F) |
Average high | -2°C (28°F) | -1°C (31°F) | 7°C (46°F) | 13°C (56°F) | 21°C (69°F) | 27°C (81°F) | 29°C (84°F) | 27°C (81°F) | 24°C (76°F) | 15°C (60°F) | 7°C (44°F) | 2°C (36°F) |
Daily mean | -6°C (21°F) | -5°C (23°F) | 3°C (37°F) | 8°C (47°F) | 16°C (61°F) | 22°C (72°F) | 24°C (76°F) | 22°C (72°F) | 19°C (66°F) | 11°C (52°F) | 3°C (37°F) | -1°C (30°F) |
Average low | -10°C (14°F) | -10°C (14°F) | -1°C (30°F) | 3°C (38°F) | 11°C (52°F) | 17°C (63°F) | 19°C (67°F) | 17°C (63°F) | 14°C (57°F) | 7°C (44°F) | -1°C (30°F) | -5°C (24°F) |
Mean minimum | -24°C (-12°F) | -24°C (-11°F) | -14°C (8°F) | -4°C (25°F) | 2°C (37°F) | 12°C (54°F) | 15°C (60°F) | 12°C (54°F) | 7°C (45°F) | -2°C (28°F) | -10°C (15°F) | -15°C (5°F) |
Minimum | -33°C (-27°F) | -34°C (-29°F) | -24°C (-11°F) | -8°C (18°F) | -1°C (31°F) | 9°C (49°F) | 13°C (56°F) | 12°C (53°F) | 3°C (39°F) | -4°C (25°F) | -15°C (5°F) | -22°C (-7°F) |
Compare temperature, precipitation, sunshine, UV index in Lancaster, Wisconsin, United States with other places around the world.
Lancaster usually has the most precipitation in May, June and October, with an average of 12 rainy days and 134 mm (5.3 inches) of precipitation per month.The driest months in Lancaster 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) | 46 (1.8) | 59 (2.3) | 61 (2.4) | 85 (3.4) | 143 (5.6) | 135 (5.3) | 103 (4.0) | 87 (3.4) | 116 (4.6) | 124 (4.9) | 47 (1.8) | 41 (1.6) |
Average precipitation days (≥ 1 mm) | 8 | 8 | 9 | 11 | 14 | 12 | 12 | 10 | 10 | 11 | 7 | 6 |
The sunniest months in Lancaster are June, July and August, when the sun shines an average of 11 hours 8 minutes a day.Least sunny months in Lancaster: January, November and December receive an average of 5 hours 34 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 130 | 196 | 233 | 241 | 263 | 331 | 360 | 333 | 268 | 210 | 196 | 185 |
Mean daily daylight hours | 9h 25m | 10h 32m | 11h 58m | 13h 25m | 14h 39m | 15h 16m | 14h 56m | 13h 49m | 12h 26m | 10h 59m | 9h 42m | 9h 3m |
Lancaster 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 Lancaster 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 |