Weather & Climate at Picatinny Arsenal Army Base

Dover, NJ

Summary of the weather and climate in Dover, NJ:

The average high is 60.9°F and the average low is 39.6°F.
The hottest month is July with a high of 83.3°F.
The coldest month is January with a low of 18°F.
Annual rainfall is 52.2 inches; the rainiest month is September (4.94 in).
Annual snowfall is 35 inches; the snowiest month is January (10.6 in).

Source: NOAA climate normals.

Temperatures through the year

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Bars span each month's average low to average high (10°F – 90°F scale).

Monthly averages

Month	High (°F)	Low (°F)	Rain (in)	Snow (in)
January	36.5	18	3.85	10.6
February	39.6	20	3.27	9.1
March	48.1	27.5	4.55	6.7
April	60	37.7	4.41	1.9
May	70.4	47	4.36	0
June	78.7	56.4	4.5	0
July	83.3	60.8	4.56	0
August	81.8	59.2	4.38	0
September	74.9	51.5	4.94	0
October	63.7	40.2	4.72	0
November	52.6	32.9	4.3	0.6
December	41.1	24.1	4.36	6.1