climigo

New Jersey

When to go?

The best months are May–June, August–September. Avoid January (freezing), July (hot).

Climate zones

MarylandDelawarePennsylvaniaConnecticutNew YorkNewarkNewarkNewarkAtlantic CityAtlantic CityAtlantic CityTrentonTrentonTrentonPrincetonPrincetonPrincetonEast RutherfordEast RutherfordEast Rutherford

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January 5°−4° snow likely
February 6°−4°
March 11°0°
April 17°5°
May 23°11°
June 27°16°
July 30°19°
August 29°18°
September 26°15°
October 19°8°
November 13°3°
December 7°−2°

Monthly min and max temperature (°C)

−10°−5°0°5°10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec−4.4 · 4.6 °CJanuary: −4.4 · 4.6 °C−3.5 · 6.4 °CFebruary: −3.5 · 6.4 °C0.0 · 11.1 °CMarch: 0.0 · 11.1 °C5.3 · 17.4 °CApril: 5.3 · 17.4 °C10.7 · 22.6 °CMay: 10.7 · 22.6 °C16.0 · 27.4 °CJune: 16.0 · 27.4 °C19.1 · 30.2 °CJuly: 19.1 · 30.2 °C18.1 · 29.1 °CAugust: 18.1 · 29.1 °C14.5 · 25.5 °CSeptember: 14.5 · 25.5 °C8.3 · 19.2 °COctober: 8.3 · 19.2 °C2.5 · 12.9 °CNovember: 2.5 · 12.9 °C−1.6 · 7.4 °CDecember: −1.6 · 7.4 °C

Monthly min and max temperature (°C)

Jan −4.4 – 4.6 °C
Feb −3.5 – 6.4 °C
Mar 0.0 – 11.1 °C
Apr 5.3 – 17.4 °C
May 10.7 – 22.6 °C
Jun 16.0 – 27.4 °C
Jul 19.1 – 30.2 °C
Aug 18.1 – 29.1 °C
Sep 14.5 – 25.5 °C
Oct 8.3 – 19.2 °C
Nov 2.5 – 12.9 °C
Dec −1.6 – 7.4 °C

How much it rains

January 90 mm9 d
February 83 mm8 d
March 106 mm9 d
April 98 mm9 d
May 101 mm9 d
June 113 mm9 d
July 116 mm9 d
August 120 mm8 d
September 112 mm7 d
October 109 mm7 d
November 81 mm7 d
December 109 mm9 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec90 mm · 9 rain days · 10 mm a dayJanuary: 90 mm · 9 rain days · 10 mm a day83 mm · 8 rain days · 10 mm a dayFebruary: 83 mm · 8 rain days · 10 mm a day106 mm · 9 rain days · 12 mm a dayMarch: 106 mm · 9 rain days · 12 mm a day98 mm · 9 rain days · 11 mm a dayApril: 98 mm · 9 rain days · 11 mm a day101 mm · 9 rain days · 11 mm a dayMay: 101 mm · 9 rain days · 11 mm a day113 mm · 9 rain days · 13 mm a dayJune: 113 mm · 9 rain days · 13 mm a day116 mm · 9 rain days · 13 mm a dayJuly: 116 mm · 9 rain days · 13 mm a day120 mm · 8 rain days · 15 mm a dayAugust: 120 mm · 8 rain days · 15 mm a day112 mm · 7 rain days · 16 mm a daySeptember: 112 mm · 7 rain days · 16 mm a day109 mm · 7 rain days · 16 mm a dayOctober: 109 mm · 7 rain days · 16 mm a day81 mm · 7 rain days · 12 mm a dayNovember: 81 mm · 7 rain days · 12 mm a day109 mm · 9 rain days · 12 mm a dayDecember: 109 mm · 9 rain days · 12 mm a day

Rain days and how much water

Jan 90 mm9 d
Feb 83 mm8 d
Mar 106 mm9 d
Apr 98 mm9 d
May 101 mm9 d
Jun 113 mm9 d
Jul 116 mm9 d
Aug 120 mm8 d
Sep 112 mm7 d
Oct 109 mm7 d
Nov 81 mm7 d
Dec 109 mm9 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 9 h 39
February 10 h 42
March 11 h 54
April 13 h 15
May 14 h 23
June 15 h 00
July 14 h 44
August 13 h 46
September 12 h 29
October 11 h 11
November 9 h 59
December 9 h 21

Mean daylight hours over the whole territory.

Snow on the ground

January 4 cm
February 6 cm
March 3 cm
April –
May –
June –
July –
August –
September –
October –
November –
December 2 cm

Mean snow depth on the ground (cm)

0510 cmJanFebMarAprMayJunJulAugSepOctNovDec4 cmJanuary: 4 cm6 cmFebruary: 6 cm3 cmMarch: 3 cm0 cmApril: 0 cm0 cmMay: 0 cm0 cmJune: 0 cm0 cmJuly: 0 cm0 cmAugust: 0 cm0 cmSeptember: 0 cm0 cmOctober: 0 cm0 cmNovember: 0 cm2 cmDecember: 2 cm

Mean snow depth on the ground (cm)

Jan 4 cm
Feb 6 cm
Mar 3 cm
Apr 0 cm
May 0 cm
Jun 0 cm
Jul 0 cm
Aug 0 cm
Sep 0 cm
Oct 0 cm
Nov 0 cm
Dec 2 cm

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Cities