San Bernardino Weather in July

With daytime temperatures of 35°C (95°F) and nighttime lows of 18°C (64°F), July in San Bernardino brings very high temperatures during the day. Minimal rainfall makes it a largely dry month.

Rainfall in San Bernardino in July

You can expect rain on roughly a single day based on historical data, averaging 4.1 mm (0.2 in) for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.

Temperature in San Bernardino in July

Daytime highs in San Bernardino in July reach 35°C (95°F), with nights around 18°C (64°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in San Bernardino in July

With approximately 369 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

July in San Bernardino can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.