Hillside, New Jersey Climate
United States
Pop. 22,155 Elev. 27 m / 89 ft
TZ: America/New_York (UTC-4) ·
Summers in Hillside 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 98°F (37°C), while wind chill can drive winter lows to 16°F (-9°C). Expect around 63 rainy days annually (36.7 in / 932 mm total), with snow on 5 days and 31 in (791 mm) of annual accumulation. The city averages 124 sunny days per year and around 33 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 | 98°F (37°C) high | 16°F (-9°C) low |
| Rain | 63 days | 36.7 in (932 mm) /yr |
| Snow | 5 days | 31.1 in (791 mm) /yr |
| Sky | 124 sunny | 33 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 (%)
41
Jan 63
Feb 51
Mar 69
Apr 73
May 66
Jun 58
Jul 43
Aug 55
Sep 42
Oct 52
Nov 58
Dec Humidity (%)
56
Jan 59
Feb 54
Mar 55
Apr 70
May 68
Jun 68
Jul 64
Aug 69
Sep 64
Oct 60
Nov 62
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 3 mi Newark Liberty International Airport (EWR)
Ski resort 11 mi Big Snow American Dream
National park 145 mi Connecticut River Greenway State Park
Mountain peak
(4,971 ft) 236 mi Schofield Cobble
Hospital 1 mi Newark Beth Israel Medical Center
Hiking trail 4 mi Aqua 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 | 0.8 in 21 mm | 4.6 in117 mm | 16 |
| February | 40°F 5°C | 28°F -2°C | 2.2 in 55 mm | 12.0 in305 mm | 5 |
| March | 56°F 13°C | 38°F 3°C | 3.8 in 96 mm | 0.0 in0 mm | 11 |
| April | 63°F 17°C | 47°F 8°C | 4.1 in 105 mm | 1.6 in42 mm | 5 |
| May | 70°F 21°C | 56°F 13°C | 6.5 in 166 mm | — | 6 |
| June | 81°F 27°C | 66°F 19°C | 2.6 in 66 mm | — | 8 |
| July | 88°F 31°C | 72°F 22°C | 4.8 in 122 mm | — | 8 |
| August | 81°F 27°C | 64°F 18°C | 1.8 in 46 mm | — | 16 |
| September | 77°F 25°C | 61°F 16°C | 3.0 in 75 mm | — | 9 |
| October | 65°F 18°C | 50°F 10°C | 3.3 in 85 mm | — | 17 |
| November | 52°F 11°C | 40°F 4°C | 2.1 in 54 mm | 0.5 in13 mm | 13 |
| December | 39°F 4°C | 26°F -3°C | 1.6 in 41 mm | 12.4 in315 mm | 10 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 1 |
| February | 5 | 1 |
| March | 11 | 2 |
| April | 5 | 4 |
| May | 6 | 6 |
| June | 8 | 4 |
| July | 8 | 6 |
| August | 16 | 2 |
| September | 9 | 3 |
| October | 17 | 3 |
| November | 13 | 1 |
| 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 |