Rahway, NJ

Climate overview — based on NOAA 1991-2020 normals from CRANFORD, NJ US.

Cfa Humid subtropical climate 8a USDA hardiness Zone 8a

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Rahway has an annual average temperature of 54.6°F with about 50.4 inches of precipitation per year and 26.3 inches of snow. The warmest month is July (average high 85.9°F), and the coldest is January (average low 25.1°F). July is typically the wettest month (5.32 in) and February the driest (3.26 in). Snow typically falls from December through April.

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
44.1°F
warmest to coldest month
Heating need
4,677
Cooling need
948

Best time to visit Rahway

Full guide →

Climate change signal

All-time records →

25 of 366 (6.8%) of Rahway's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1960s
4
1970s
66
1980s
66
1990s
83
2000s
89
2010s
58

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 40.2°F 25.1°F 32.6°F 3.73 in 7.0 in 10
February 43.0°F 26.8°F 34.9°F 3.26 in 8.2 in 9
March 50.7°F 33.2°F 41.9°F 4.39 in 5.0 in 10
April 62.5°F 42.7°F 52.6°F 4.05 in 0.3 in 11
May 71.9°F 52.5°F 62.2°F 4.20 in 12
June 80.8°F 62.4°F 71.6°F 4.54 in 11
July 85.9°F 67.6°F 76.7°F 5.32 in 11
August 84.3°F 66.1°F 75.2°F 4.14 in 10
September 77.1°F 59.2°F 68.1°F 4.25 in 9
October 65.5°F 46.7°F 56.1°F 4.40 in 10
November 55.0°F 37.5°F 46.2°F 3.63 in 0.1 in 9
December 44.8°F 30.5°F 37.6°F 4.48 in 5.7 in 10

Climate twins of Rahway

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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