Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Lancaster features a humid subtropical climate (Cfa).Temperatures typically range between 4 °C (40 °F) and 27 °C (81 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 1291 mm (50.8 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually.Lancaster enjoys an average of 3213 hours of sunshine throughout the year, and daylight varies from 9 hours 34 minutes to 14 hours 43 minutes per day.
The warmest months in Lancaster are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (76 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 7 °C (40 - 45 °F) throughout the day. On average each year, Lancaster experiences 114 days above 25 °C (77.0 °F) and 32 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 21°C (70°F) | 23°C (75°F) | 28°C (84°F) | 31°C (88°F) | 35°C (96°F) | 35°C (95°F) | 38°C (100°F) | 35°C (95°F) | 35°C (94°F) | 35°C (95°F) | 26°C (79°F) | 21°C (70°F) |
Mean maximum | 19°C (66°F) | 20°C (69°F) | 26°C (78°F) | 28°C (83°F) | 33°C (91°F) | 34°C (93°F) | 36°C (97°F) | 34°C (94°F) | 33°C (91°F) | 30°C (87°F) | 24°C (76°F) | 20°C (67°F) |
Average high | 8°C (47°F) | 11°C (52°F) | 14°C (57°F) | 19°C (67°F) | 24°C (76°F) | 29°C (84°F) | 32°C (89°F) | 30°C (86°F) | 27°C (81°F) | 22°C (72°F) | 15°C (59°F) | 11°C (52°F) |
Daily mean | 4°C (40°F) | 7°C (44°F) | 9°C (49°F) | 15°C (59°F) | 20°C (68°F) | 24°C (76°F) | 27°C (81°F) | 26°C (79°F) | 23°C (74°F) | 18°C (65°F) | 11°C (51°F) | 7°C (45°F) |
Average low | 1°C (34°F) | 3°C (37°F) | 5°C (42°F) | 10°C (51°F) | 16°C (61°F) | 21°C (70°F) | 24°C (75°F) | 23°C (74°F) | 20°C (69°F) | 15°C (59°F) | 7°C (44°F) | 3°C (38°F) |
Mean minimum | -8°C (18°F) | -6°C (22°F) | -3°C (27°F) | 3°C (38°F) | 8°C (47°F) | 16°C (61°F) | 20°C (67°F) | 19°C (66°F) | 14°C (57°F) | 7°C (45°F) | -1°C (31°F) | -4°C (26°F) |
Minimum | -13°C (9°F) | -8°C (17°F) | -4°C (25°F) | 1°C (33°F) | 5°C (41°F) | 13°C (56°F) | 17°C (63°F) | 18°C (64°F) | 12°C (54°F) | 4°C (40°F) | -2°C (28°F) | -7°C (19°F) |
Compare temperature, precipitation, sunshine, UV index in Lancaster, Virginia, United States with other places around the world.
Lancaster usually has the most precipitation in July, August and October, with an average of 12 rainy days and 140 mm (5.5 inches) of precipitation per month.The driest months in Lancaster are January, March and November. On average, 82 mm (3.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 76 (3.0) | 105 (4.1) | 92 (3.6) | 97 (3.8) | 100 (3.9) | 109 (4.3) | 133 (5.2) | 158 (6.2) | 117 (4.6) | 129 (5.1) | 79 (3.1) | 96 (3.8) |
Average precipitation days (≥ 1 mm) | 8 | 11 | 9 | 10 | 11 | 13 | 13 | 15 | 11 | 9 | 8 | 10 |
The sunniest months in Lancaster are June, July and August, when the sun shines an average of 11 hours 6 minutes a day.Least sunny months in Lancaster: January, February and December receive an average of 5 hours 56 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 162 | 183 | 264 | 290 | 315 | 334 | 357 | 330 | 291 | 262 | 225 | 194 |
Mean daily daylight hours | 9h 52m | 10h 48m | 11h 58m | 13h 11m | 14h 13m | 14h 43m | 14h 26m | 13h 32m | 12h 22m | 11h 10m | 10h 7m | 9h 34m |
Lancaster experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure.January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. 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 | 5 | 7 | 9 | 10 | 10 | 10 | 10 | 8 | 7 | 5 | 3 |