Robertsville, New Jersey Climate
United States
Pop. 11,297 Elev. 54 m / 177 ft
TZ: America/New_York (UTC-4) ·
Robertsville sees warm summers peaking at 87°F (31°C) in July, and cold winters that bottom out around 26°F (-3°C) in January. Humidity pushes the summer feels-like temperature to 99°F (37°C), while wind chill can drive winter lows to 18°F (-8°C). Precipitation occurs on roughly 63 days per year (36.0 in / 916 mm total), with snow on 3 days and 22 in (547 mm) of annual accumulation. The city averages 129 sunny days per year and around 30 thunderstorm days. Ocean water temperatures reach 78°F (25°C) in summer.
| Temperature | 87°F (31°C) high | 26°F (-3°C) low |
| Feels like | 99°F (37°C) high | 18°F (-8°C) low |
| Rain | 63 days | 36.0 in (916 mm) /yr |
| Snow | 3 days | 21.5 in (547 mm) /yr |
| Sky | 129 sunny | 30 stormy |
| Wind | 3.4 mph (1.5 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Jun, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
38
Jan 61
Feb 50
Mar 68
Apr 73
May 68
Jun 59
Jul 45
Aug 56
Sep 43
Oct 52
Nov 56
Dec Humidity (%)
53
Jan 55
Feb 52
Mar 54
Apr 67
May 67
Jun 71
Jul 66
Aug 71
Sep 63
Oct 57
Nov 61
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 24 mi Newark Liberty International Airport (EWR)
Ski resort 34 mi Big Snow American Dream
National park 167 mi Connecticut River Greenway State Park
Mountain peak
(4,971 ft) 261 mi Schofield Cobble
Hospital 3 mi Raritan Bay Medical Center
Hiking trail 6 mi Green Trail Hiking Route
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 38°F 3°C | 26°F -3°C | 0.9 in 23 mm | 5.4 in138 mm | 18 |
| February | 43°F 6°C | 31°F -1°C | 2.4 in 60 mm | 6.6 in168 mm | 6 |
| March | 58°F 14°C | 40°F 4°C | 3.8 in 96 mm | — | 13 |
| April | 65°F 18°C | 48°F 9°C | 3.8 in 97 mm | 0.1 in2 mm | 5 |
| May | 72°F 22°C | 57°F 14°C | 5.3 in 135 mm | — | 5 |
| June | 82°F 28°C | 67°F 19°C | 2.7 in 69 mm | — | 7 |
| July | 87°F 31°C | 73°F 23°C | 5.9 in 151 mm | — | 8 |
| August | 80°F 27°C | 65°F 18°C | 1.8 in 45 mm | — | 15 |
| September | 78°F 25°C | 63°F 17°C | 3.0 in 76 mm | — | 11 |
| October | 66°F 19°C | 51°F 11°C | 2.8 in 71 mm | — | 18 |
| November | 55°F 13°C | 41°F 5°C | 1.8 in 46 mm | 0.0 in1 mm | 14 |
| December | 41°F 5°C | 28°F -2°C | 1.9 in 47 mm | 9.4 in239 mm | 9 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 18 | 1 |
| February | 6 | 1 |
| March | 13 | 1 |
| April | 5 | 2 |
| May | 5 | 4 |
| June | 7 | 5 |
| July | 8 | 9 |
| August | 15 | 1 |
| September | 11 | 4 |
| October | 18 | 2 |
| November | 14 | 0 |
| 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 | 42°F 6°C |
| April | 51°F 11°C | 51°F 11°C |
| May | 59°F 15°C | 62°F 17°C |
| June | 73°F 23°C | 71°F 22°C |
| July | 78°F 25°C | 79°F 26°C |
| August | 76°F 25°C | 73°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 | 46°F 8°C |
| December | 52°F 11°C | 34°F 1°C |