San Bernardino Weather in July

July in San Bernardino averages 18°C (64°F) during the day and 8°C (46°F) at night. Quite a bit of rainfall is typical this month, with around 155 mm (6.1 in) on average. An umbrella is a good idea.

Rainfall in San Bernardino in July

You can expect rain on around 18 days based on historical patterns, with 155 mm (6.1 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in San Bernardino in July

July in San Bernardino brings pleasant temperatures, with highs of 18°C (64°F) and nights around 8°C (46°F). The month of July belongs to the summer season. Conditions are often most pleasant around the middle of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. On average, it is the month with the highest temperature of the year.

Sunshine in San Bernardino in July

Enjoy a sunny month with about 196 hours of sunshine, the clear skies make San Bernardino even more beautiful.

If you're a fan of comfortable temperatures and drier conditions, July is a great time to visit.

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• January
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For a detailed overview over the year and the best time to visit Switzerland, check out our San Bernardino's climate page.

San Bernardino Temperature in July

Min Temperature 8°C (46°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 61%  

Precipitation 155 mm (6.1 in)  

Rainy days 18 days  

Humidity 71% *  

Sunshine 196 hours *  

Percentage Sunshine 51% *  

* Data from: Disentis, Switzerland (37 KM, 23 Miles).

What to Wear in San Bernardino in July

Comfortable temperatures call for an easy wardrobe in July. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in San Bernardino in July

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Camping

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our San Bernardino's climate page.

More climate data for San Bernardino

Temperature Rainfall Sunshine Humidity

See the full San Bernardino climate overview or explore weather in Switzerland.