Best time to travel to San Bernardino County

Discover the ideal time to visit San Bernardino County

Planning a trip to San Bernardino County? Based on weather conditions, the best time to visit is during June, July and September, see the table bellow for more details.

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

San Bernardino 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	7°/2°	174 mm	38 cm	2 days	2 days	27 days
February	10°/4°	219 mm	24 cm	2 days	2 days	24 days
March	11°/4°	98 mm	53 cm	0 days	6 days	25 days
April	13°/4°	21 mm	12 cm	0 days	3 days	27 days
May	18°/8°	4 mm	0 cm	0 days	0 days	31 days
June	25°/14°	7 mm	0 cm	1 days	0 days	29 days
July	27°/17°	15 mm	0 cm	4 days	0 days	27 days
August	27°/18°	14 mm	0 cm	3 days	0 days	28 days
September	23°/14°	54 mm	0 cm	4 days	0 days	26 days
October	19°/11°	54 mm	1 cm	3 days	0 days	28 days
November	12°/5°	141 mm	53 cm	1 days	3 days	26 days
December	12°/6°	141 mm	18 cm	3 days	2 days	26 days