San Bernardino Weather in August

Thinking of visiting San Bernardino in August? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 14°C (57°F) at night, with the driest conditions of the year.

Rainfall in San Bernardino in August

Take advantage of the dry conditions this month, with minimal rain expected. Based on our climate data of the past 30 years, about 5 days of rain are anticipated, with 71 mm (2.8 in) on average. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.

Temperature in San Bernardino in August

August is a good time to be in San Bernardino. Days are excellent, reaching 27°C (81°F), with nights around 14°C (57°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in San Bernardino in August

The city usually sees around 225 hours of sunlight, indicating many sunny days , a great month for sightseeing.

So this is a great month to visit if you prefer dry days with pleasant temperatures.