Best time to travel to Loudoun County

Discover the ideal time to visit Loudoun County

Planning a trip to Loudoun County? Based on weather conditions, the best time to visit is during March, April and September, see the table bellow for more details.

On this page, you will find detailed climate data, graphs, and insights about Loudoun County to help you plan your trip and choose the most optimal time to visit.

Loudoun County Monthly Climate Overview

Click on a month for in-depth weather statistics and trends

Month	Temperatures	Total Rain	Total Snow	Rainy Days	Snow Days	Dry Days
January	2°/-5°	150 mm	65 cm	2 days	4 days	25 days
February	4°/-3°	95 mm	31 cm	3 days	4 days	21 days
March	14°/3°	114 mm	10 cm	5 days	1 days	25 days
April	19°/8°	53 mm	0 cm	8 days	0 days	22 days
May	22°/12°	256 mm	0 cm	15 days	0 days	16 days
June	29°/18°	190 mm	0 cm	12 days	0 days	18 days
July	32°/21°	217 mm	0 cm	13 days	0 days	18 days
August	29°/18°	169 mm	0 cm	13 days	0 days	18 days
September	25°/15°	128 mm	0 cm	12 days	0 days	18 days
October	19°/8°	182 mm	0 cm	6 days	0 days	25 days
November	12°/4°	119 mm	0 cm	9 days	0 days	21 days
December	5°/-2°	133 mm	11 cm	5 days	4 days	22 days