Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Morristown features a humid continental climate (Dfa).Temperatures typically range between -1 °C (30 °F) and 25 °C (77 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1239 mm (48.8 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually.Morristown enjoys an average of 2878 hours of sunshine throughout the year, and daylight varies from 9 hours 23 minutes to 14 hours 55 minutes per day.
The warmest months in Morristown are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (73 - 77 °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 - 36 °F) throughout the day. On average each year, Morristown experiences 103 days above 25 °C (77.0 °F) and 90 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 18°C (65°F) | 24°C (75°F) | 24°C (76°F) | 29°C (84°F) | 33°C (92°F) | 33°C (92°F) | 34°C (94°F) | 33°C (93°F) | 33°C (92°F) | 33°C (92°F) | 26°C (79°F) | 18°C (65°F) |
Mean maximum | 15°C (59°F) | 18°C (65°F) | 21°C (70°F) | 27°C (81°F) | 31°C (87°F) | 33°C (91°F) | 33°C (91°F) | 32°C (90°F) | 32°C (90°F) | 30°C (86°F) | 20°C (68°F) | 17°C (62°F) |
Average high | 3°C (37°F) | 5°C (42°F) | 11°C (52°F) | 17°C (62°F) | 23°C (74°F) | 28°C (82°F) | 29°C (85°F) | 28°C (82°F) | 26°C (80°F) | 19°C (67°F) | 10°C (50°F) | 7°C (44°F) |
Daily mean | -1°C (30°F) | 1°C (34°F) | 6°C (43°F) | 11°C (53°F) | 18°C (65°F) | 23°C (73°F) | 25°C (77°F) | 23°C (74°F) | 21°C (70°F) | 14°C (58°F) | 5°C (42°F) | 2°C (36°F) |
Average low | -5°C (24°F) | -3°C (27°F) | 1°C (35°F) | 6°C (43°F) | 13°C (56°F) | 18°C (65°F) | 20°C (68°F) | 19°C (66°F) | 16°C (61°F) | 10°C (49°F) | 1°C (34°F) | -2°C (29°F) |
Mean minimum | -18°C (-1°F) | -16°C (4°F) | -9°C (16°F) | -4°C (26°F) | 3°C (38°F) | 12°C (54°F) | 14°C (58°F) | 13°C (55°F) | 8°C (47°F) | 0°C (32°F) | -8°C (18°F) | -13°C (9°F) |
Minimum | -28°C (-18°F) | -19°C (-3°F) | -15°C (5°F) | -6°C (22°F) | -1°C (30°F) | 9°C (49°F) | 13°C (57°F) | 11°C (53°F) | 5°C (42°F) | -1°C (30°F) | -16°C (4°F) | -20°C (-3°F) |
Compare temperature, precipitation, sunshine, UV index in Morristown, Indiana, United States with other places around the world.
Morristown usually has the most precipitation in March, May and July, with an average of 13 rainy days and 127 mm (5.0 inches) of precipitation per month.The driest months in Morristown are January, September and December. On average, 86 mm (3.4 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 83 (3.3) | 100 (3.9) | 134 (5.3) | 102 (4.0) | 136 (5.4) | 105 (4.1) | 112 (4.4) | 92 (3.6) | 88 (3.5) | 102 (4.0) | 98 (3.9) | 86 (3.4) |
Average precipitation days (≥ 1 mm) | 9 | 11 | 13 | 11 | 14 | 13 | 12 | 11 | 7 | 11 | 9 | 10 |
The sunniest months in Morristown are June, July and August, when the sun shines an average of 10 hours 46 minutes a day.Least sunny months in Morristown: January, February and December receive an average of 4 hours 54 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 119 | 157 | 216 | 235 | 273 | 324 | 346 | 321 | 283 | 237 | 192 | 170 |
Mean daily daylight hours | 9h 42m | 10h 42m | 11h 58m | 13h 17m | 14h 23m | 14h 55m | 14h 37m | 13h 39m | 12h 23m | 11h 5m | 9h 57m | 9h 23m |
Morristown 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 Morristown UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |