Sussex, New Jersey Climate
United States
Pop. 2,043 Elev. 138 m / 453 ft
TZ: America/New_York (UTC-4) ·
Sussex has warm summers with average highs of 86°F (30°C) in July, and frigid winters averaging 21°F (-6°C) in January. Humidity pushes the summer feels-like temperature to 94°F (34°C), while wind chill can drive winter lows to 13°F (-11°C). Rain falls on about 60 days per year (35.7 in / 908 mm total), with snow on 8 days and 45 in (1138 mm) of annual accumulation. The city averages 113 sunny days per year and around 31 thunderstorm days. Nearby lake water reaches 80°F (27°C) in summer.
| Temperature | 86°F (30°C) high | 21°F (-6°C) low |
| Feels like | 94°F (35°C) high | 13°F (-11°C) low |
| Rain | 60 days | 35.7 in (908 mm) /yr |
| Snow | 8 days | 44.8 in (1138 mm) /yr |
| Sky | 113 sunny | 31 stormy |
| Wind | 3.0 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Jun, Jul, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
48
Jan 66
Feb 53
Mar 70
Apr 75
May 65
Jun 58
Jul 44
Aug 54
Sep 41
Oct 57
Nov 61
Dec Humidity (%)
54
Jan 57
Feb 53
Mar 54
Apr 72
May 72
Jun 71
Jul 63
Aug 66
Sep 64
Oct 62
Nov 61
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 33 mi New York Stewart International Airport (SWF)
Ski resort 5 mi Mountain Creek
National park 133 mi Connecticut River Greenway State Park
Mountain peak
(4,971 ft) 203 mi Schofield Cobble
Hospital 6 mi Clinic
Hiking trail 2 mi Wood Duck Nature Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 33°F 1°C | 21°F -6°C | 0.8 in 19 mm | 5.0 in127 mm | 12 |
| February | 37°F 3°C | 25°F -4°C | 1.6 in 41 mm | 15.7 in399 mm | 5 |
| March | 55°F 13°C | 34°F 1°C | 3.4 in 87 mm | 0.7 in17 mm | 11 |
| April | 62°F 17°C | 43°F 6°C | 3.8 in 96 mm | 5.5 in140 mm | 5 |
| May | 68°F 20°C | 52°F 11°C | 8.2 in 207 mm | — | 4 |
| June | 79°F 26°C | 62°F 17°C | 2.8 in 70 mm | — | 8 |
| July | 86°F 30°C | 68°F 20°C | 3.6 in 91 mm | — | 9 |
| August | 80°F 27°C | 60°F 15°C | 1.9 in 47 mm | — | 13 |
| September | 77°F 25°C | 57°F 14°C | 2.9 in 74 mm | — | 11 |
| October | 63°F 17°C | 45°F 7°C | 3.5 in 90 mm | — | 18 |
| November | 50°F 10°C | 36°F 2°C | 2.1 in 54 mm | 0.8 in19 mm | 11 |
| December | 36°F 2°C | 23°F -5°C | 1.2 in 31 mm | 17.1 in436 mm | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 0 |
| February | 5 | 1 |
| March | 11 | 2 |
| April | 5 | 2 |
| May | 4 | 9 |
| June | 8 | 3 |
| July | 9 | 6 |
| August | 13 | 2 |
| September | 11 | 3 |
| October | 18 | 1 |
| November | 11 | 1 |
| December | 6 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 40°F 5°C |
| April | 50°F 10°C |
| May | 61°F 16°C |
| June | 71°F 21°C |
| July | 80°F 27°C |
| August | 73°F 23°C |
| September | 68°F 20°C |
| October | 58°F 14°C |
| November | 44°F 7°C |
| December | 33°F 1°C |