Big Bear Lake
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Big Bear Lake Weather in July

July in Big Bear Lake typically sees daytime highs of 27°C (81°F) and nighttime lows of 9°C (48°F). Expect some rainfall during the month. It falls within the summer season.

Rainfall in Big Bear Lake in July

Analyzing past climate data, one can expect approximately 5 days of rain, averaging 24 mm (0.9 in). When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in Big Bear Lake in July

Big Bear Lake has excellent weather in July, with days reaching 27°C (81°F) and nights cooling to 9°C (48°F). July is part of the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. It's the warmest month of the year on average, so summer clothing is the way to go.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August, September and October typically offer the best circumstances for Big Bear Lake.

Big Bear Lake Temperature in July

Min Temperature
9°C (48°F)
Max Temperature
27°C (81°F)
Chance of Rain
17%
Precipitation
24 mm (0.9 in)
Rainy days
5 days

Big Bear Lake Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Big Bear Lake - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Big Bear Lake typically stay consistent throughout July, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 17°C (63°F).

Average temperatures in July

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in July

Historical weather records for Big Bear Lake in July

Browse day-by-day weather records for Big Bear Lake spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Big Bear Lake historical weather extremes in July

The extremes listed below come from historical weather data collected in Big Bear Lake from 1976 through 2026.

  • The warmest day in July was on July 11, 2003, with a maximum of 46°C (115°F).
  • Big Bear Lake experienced its chilliest July day on July 18, 2015, reaching only 17°C (63°F).
  • Big Bear Lake registered its coldest July night on July 27, 2025, with temperatures dropping to 1°C (34°F).

Best Places in the United States of America in July

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Big Bear Lake in July

Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers.

What To Do in Big Bear Lake in July

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

  • Cycling
    8/10
  • Walking
    8/10
  • Camping
    5/10
  • Outdoor sports
    8/10

Big Bear Lake 3-Day Forecast

More climate data for Big Bear Lake

Popular in July

Where to go in July - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.