Hopewell, New Jersey Climate
United States
Pop. 1,929 Elev. 64 m / 210 ft
TZ: America/New_York (UTC-4) ·
Summers in Hopewell are warm, with July highs around 88°F (31°C), while winters are cold with January lows of 25°F (-4°C). Humidity pushes the summer feels-like temperature to 100°F (38°C), while wind chill can drive winter lows to 17°F (-8°C). Expect around 67 rainy days annually (38.4 in / 975 mm total), with snow on 4 days and 26 in (655 mm) of annual accumulation. The city averages 126 sunny days per year and around 30 thunderstorm days. Ocean water temperatures reach 78°F (25°C) in summer.
| Temperature | 88°F (31°C) high | 25°F (-4°C) low |
| Feels like | 100°F (38°C) high | 17°F (-8°C) low |
| Rain | 67 days | 38.4 in (975 mm) /yr |
| Snow | 4 days | 25.8 in (655 mm) /yr |
| Sky | 126 sunny | 30 stormy |
| Wind | 2.8 mph (1.3 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 (%)
40
Jan 63
Feb 49
Mar 69
Apr 74
May 67
Jun 60
Jul 45
Aug 57
Sep 41
Oct 54
Nov 58
Dec Humidity (%)
51
Jan 54
Feb 51
Mar 54
Apr 69
May 69
Jun 70
Jul 63
Aug 68
Sep 62
Oct 59
Nov 60
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 8 mi Trenton Mercer Airport (TTN)
Ski resort 37 mi Spring Mountain Ski Area
National park 154 mi Harriet Tubman Underground Railroad National Monument
Mountain peak
(4,971 ft) 261 mi Schofield Cobble
Hospital 7 mi Saint Lawrence Rehabilitation Center
Hiking trail 2 mi Watershed Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 36°F 2°C | 25°F -4°C | 0.7 in 19 mm | 5.4 in137 mm | 17 |
| February | 42°F 5°C | 29°F -2°C | 2.4 in 60 mm | 8.6 in217 mm | 6 |
| March | 58°F 15°C | 37°F 3°C | 3.9 in 99 mm | 0.1 in1 mm | 14 |
| April | 65°F 18°C | 46°F 8°C | 4.6 in 117 mm | 1.4 in36 mm | 5 |
| May | 71°F 22°C | 55°F 13°C | 7.1 in 181 mm | — | 6 |
| June | 82°F 28°C | 65°F 18°C | 2.7 in 69 mm | — | 8 |
| July | 88°F 31°C | 71°F 22°C | 5.7 in 145 mm | — | 7 |
| August | 82°F 28°C | 62°F 17°C | 1.4 in 36 mm | — | 15 |
| September | 79°F 26°C | 60°F 16°C | 3.2 in 81 mm | — | 9 |
| October | 66°F 19°C | 48°F 9°C | 2.8 in 70 mm | — | 17 |
| November | 53°F 12°C | 38°F 4°C | 2.1 in 54 mm | 0.3 in7 mm | 13 |
| December | 39°F 4°C | 26°F -3°C | 1.8 in 44 mm | 10.1 in257 mm | 9 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 17 | 1 |
| February | 6 | 1 |
| March | 14 | 2 |
| April | 5 | 2 |
| May | 6 | 6 |
| June | 8 | 2 |
| July | 7 | 9 |
| August | 15 | 1 |
| September | 9 | 3 |
| October | 17 | 2 |
| November | 13 | 1 |
| December | 9 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 49°F 9°C | 33°F 0°C |
| February | 42°F 6°C | 32°F 0°C |
| March | 44°F 7°C | 43°F 6°C |
| April | 51°F 11°C | 52°F 11°C |
| May | 59°F 15°C | 63°F 17°C |
| June | 73°F 23°C | 72°F 22°C |
| July | 78°F 25°C | 81°F 27°C |
| August | 76°F 25°C | 74°F 23°C |
| September | 71°F 22°C | 69°F 20°C |
| October | 70°F 21°C | 58°F 15°C |
| November | 61°F 16°C | 45°F 7°C |
| December | 52°F 11°C | 33°F 1°C |