Weather & Climate at Marine Corps Recruit Depot Parris Island

Port Royal, SC

Summary of the weather and climate in Port Royal, SC:

The average high is 76.7°F and the average low is 56.5°F.
The hottest month is July with a high of 92.1°F.
The coldest month is January with a low of 38.5°F.
Annual rainfall is 45.36 inches; the rainiest month is August (6.83 in).
Annual snowfall is 0.3 inches; the snowiest month is December (0.3 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 – 100°F scale).

Month	High (°F)	Low (°F)	Rain (in)	Snow (in)
January	59.7	38.5	3.45	0
February	63.3	41.5	2.91	0
March	69.7	47.6	3.16	0
April	76.7	54.5	2.76	0
May	84	62.9	2.34	0
June	89.4	70.5	5.07	0
July	92.1	73.8	5.2	0
August	90.4	73.3	6.83	0
September	85.5	68.2	4.74	0
October	77.7	57.8	3.5	0
November	70.2	48.4	2.28	0
December	61.9	41.2	3.12	0.3