Weather & Climate at Fort Drum Army Base

Jefferson, NY

Summary of the weather and climate in Jefferson, NY:

The average high is 55.3°F and the average low is 36.9°F.
The hottest month is July with a high of 79.6°F.
The coldest month is January with a low of 9.3°F.
Annual rainfall is 43.1 inches; the rainiest month is November (4.58 in).
Annual snowfall is 112.1 inches; the snowiest month is December (31.6 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 (0°F – 80°F scale).

Monthly averages

Month	High (°F)	Low (°F)	Rain (in)	Snow (in)
January	28.3	9.3	3.21	30.6
February	31.1	11.4	2.6	25.8
March	40.1	21.6	2.69	12.4
April	54.3	35.3	3.29	3.5
May	66.4	46.6	3.57	0
June	75.2	56.4	3.48	0
July	79.6	61.4	3.42	0
August	78.5	59.9	3.89	0
September	70.9	51.7	4.22	0
October	58	40.1	4.43	0.6
November	46.5	30.3	4.58	7.6
December	34.3	18.2	3.72	31.6