Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Hagerstown features a humid continental climate (Dfa).Temperatures typically range between -1 °C (30 °F) and 24 °C (76 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 1227 mm (48.3 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually.Hagerstown enjoys an average of 2838 hours of sunshine throughout the year, and daylight varies from 9 hours 22 minutes to 14 hours 56 minutes per day.
The warmest months in Hagerstown 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 -1 to 2 °C (30 - 35 °F) throughout the day. On average each year, Hagerstown experiences 95 days above 25 °C (77.0 °F) and 94 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 18°C (64°F) | 23°C (74°F) | 23°C (74°F) | 28°C (83°F) | 32°C (91°F) | 33°C (91°F) | 33°C (92°F) | 33°C (91°F) | 33°C (91°F) | 32°C (90°F) | 26°C (78°F) | 17°C (64°F) |
Mean maximum | 14°C (58°F) | 17°C (63°F) | 20°C (69°F) | 26°C (80°F) | 30°C (86°F) | 32°C (90°F) | 32°C (90°F) | 31°C (89°F) | 32°C (89°F) | 29°C (84°F) | 19°C (67°F) | 16°C (61°F) |
Average high | 2°C (36°F) | 5°C (41°F) | 10°C (51°F) | 16°C (61°F) | 22°C (72°F) | 27°C (81°F) | 29°C (84°F) | 27°C (81°F) | 26°C (78°F) | 19°C (66°F) | 9°C (49°F) | 6°C (43°F) |
Daily mean | -1°C (30°F) | 0°C (33°F) | 5°C (42°F) | 11°C (51°F) | 17°C (64°F) | 22°C (72°F) | 24°C (76°F) | 23°C (73°F) | 20°C (69°F) | 14°C (57°F) | 5°C (41°F) | 2°C (35°F) |
Average low | -5°C (23°F) | -4°C (26°F) | 1°C (34°F) | 6°C (43°F) | 13°C (55°F) | 18°C (64°F) | 20°C (68°F) | 18°C (65°F) | 15°C (60°F) | 9°C (49°F) | 1°C (34°F) | -2°C (28°F) |
Mean minimum | -19°C (-1°F) | -16°C (4°F) | -9°C (16°F) | -4°C (25°F) | 2°C (37°F) | 12°C (53°F) | 14°C (58°F) | 12°C (54°F) | 8°C (46°F) | -0°C (32°F) | -8°C (18°F) | -13°C (8°F) |
Minimum | -27°C (-17°F) | -21°C (-5°F) | -15°C (6°F) | -6°C (21°F) | -1°C (30°F) | 8°C (47°F) | 14°C (57°F) | 11°C (52°F) | 5°C (41°F) | -1°C (30°F) | -16°C (4°F) | -23°C (-10°F) |
Compare temperature, precipitation, sunshine, UV index in Hagerstown, Indiana, United States with other places around the world.
Hagerstown usually has the most precipitation in March, May and June, with an average of 13 rainy days and 126 mm (5.0 inches) of precipitation per month.The driest months in Hagerstown are January, September and December. On average, 83 mm (3.3 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 78 (3.1) | 99 (3.9) | 120 (4.7) | 99 (3.9) | 140 (5.5) | 120 (4.7) | 112 (4.4) | 93 (3.7) | 89 (3.5) | 101 (4.0) | 93 (3.7) | 81 (3.2) |
Average precipitation days (≥ 1 mm) | 9 | 12 | 13 | 11 | 15 | 13 | 12 | 12 | 7 | 12 | 9 | 11 |
The sunniest months in Hagerstown are June, July and August, when the sun shines an average of 10 hours 41 minutes a day.Least sunny months in Hagerstown: January, February and December receive an average of 4 hours 47 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 114 | 157 | 216 | 230 | 272 | 318 | 345 | 319 | 281 | 230 | 187 | 163 |
Mean daily daylight hours | 9h 41m | 10h 41m | 11h 58m | 13h 17m | 14h 23m | 14h 56m | 14h 38m | 13h 39m | 12h 23m | 11h 5m | 9h 57m | 9h 22m |
Hagerstown experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Hagerstown UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 5 | 6 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |