Morristown, New Jersey Climate
United States
Pop. 18,594 Elev. 121 m / 397 ft
TZ: America/New_York (UTC-4) ·
Morristown has warm summers with average highs of 88°F (31°C) in July, and cold winters averaging 24°F (-4°C) in January. Humidity pushes the summer feels-like temperature to 98°F (37°C), while wind chill can drive winter lows to 15°F (-9°C). Rain falls on about 70 days per year (38.5 in / 978 mm total), with snow on 7 days and 33 in (844 mm) of annual accumulation. The city averages 122 sunny days per year and around 32 thunderstorm days. Ocean water temperatures reach 78°F (25°C) in summer.
| Temperature | 88°F (31°C) high | 24°F (-5°C) low |
| Feels like | 98°F (37°C) high | 15°F (-9°C) low |
| Rain | 70 days | 38.5 in (978 mm) /yr |
| Snow | 7 days | 33.2 in (844 mm) /yr |
| Sky | 122 sunny | 32 stormy |
| Wind | 3.1 mph (1.4 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
42
Jan 63
Feb 51
Mar 69
Apr 74
May 67
Jun 59
Jul 44
Aug 56
Sep 42
Oct 54
Nov 58
Dec Humidity (%)
52
Jan 55
Feb 52
Mar 54
Apr 70
May 69
Jun 67
Jul 61
Aug 66
Sep 61
Oct 58
Nov 60
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 18 mi Newark Liberty International Airport (EWR)
Ski resort 26 mi Mountain Creek
National park 148 mi Connecticut River Greenway State Park
Mountain peak
(4,971 ft) 231 mi Schofield Cobble
Hospital 1 mi
Hiking trail 1 mi Green Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 35°F 2°C | 24°F -5°C | 0.8 in 19 mm | 4.9 in125 mm | 15 |
| February | 40°F 5°C | 27°F -3°C | 2.3 in 59 mm | 12.2 in309 mm | 5 |
| March | 57°F 14°C | 37°F 3°C | 3.9 in 98 mm | 0.0 in1 mm | 11 |
| April | 63°F 17°C | 45°F 7°C | 4.5 in 115 mm | 2.6 in67 mm | 5 |
| May | 70°F 21°C | 54°F 12°C | 7.1 in 181 mm | — | 6 |
| June | 81°F 27°C | 64°F 18°C | 2.8 in 72 mm | — | 8 |
| July | 88°F 31°C | 71°F 21°C | 5.0 in 126 mm | — | 7 |
| August | 82°F 28°C | 62°F 17°C | 1.9 in 49 mm | — | 16 |
| September | 78°F 26°C | 60°F 15°C | 3.2 in 81 mm | — | 9 |
| October | 65°F 19°C | 48°F 9°C | 3.3 in 83 mm | — | 17 |
| November | 52°F 11°C | 38°F 3°C | 2.1 in 53 mm | 0.8 in22 mm | 13 |
| December | 38°F 3°C | 25°F -4°C | 1.6 in 42 mm | 12.6 in321 mm | 10 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 15 | 1 |
| February | 5 | 1 |
| March | 11 | 2 |
| April | 5 | 4 |
| May | 6 | 6 |
| June | 8 | 4 |
| July | 7 | 6 |
| August | 16 | 2 |
| September | 9 | 3 |
| October | 17 | 3 |
| November | 13 | 0 |
| December | 10 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 49°F 9°C | 32°F 0°C |
| February | 42°F 6°C | 32°F 0°C |
| March | 44°F 7°C | 40°F 5°C |
| April | 51°F 11°C | 50°F 10°C |
| May | 59°F 15°C | 61°F 16°C |
| June | 73°F 23°C | 71°F 21°C |
| July | 78°F 25°C | 80°F 27°C |
| August | 76°F 25°C | 73°F 23°C |
| September | 71°F 22°C | 68°F 20°C |
| October | 70°F 21°C | 58°F 14°C |
| November | 61°F 16°C | 44°F 7°C |
| December | 52°F 11°C | 33°F 1°C |