Weather & Climate at Camp Lejeune Marine Corps Base

Onslow, NC

Summary of the weather and climate in Onslow, NC:

The average high is 73.8°F and the average low is 52.9°F.
The hottest month is July with a high of 89.7°F.
The coldest month is January with a low of 34.4°F.
Annual rainfall is 55.68 inches; the rainiest month is August (7.19 in).
Annual snowfall is 0.8 inches; the snowiest month is December (0.6 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 (30°F – 90°F scale).

Monthly averages

Month	High (°F)	Low (°F)	Rain (in)	Snow (in)
January	55.6	34.4	4.06	0.1
February	59.2	36.8	3.63	0.1
March	66.3	42.7	4.1	0
April	74.3	50.6	2.74	0
May	80.7	59.2	3.7	0
June	87	68.1	5.07	0
July	89.7	72	7.11	0
August	88.2	70.9	7.19	0
September	83.4	65.3	6.9	0
October	75.2	53.8	4	0
November	67.3	44.5	3.74	0
December	58.3	37	3.44	0.6