Big Bear Lake weather in August: Big Bear Lake, California: normal highs, lows, rain and records for August
Big Bear Lake in August has a normal high of 79°F and a normal low of 50°F, a daily mean of 64°F, falling from 80°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 3 days in a normal August, 0.82 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 10°C, 21 mm of precipitation in August.
- NOAA stationBig Bear Lake
- Station IDUSC00040741
- Location34.24°N 116.92°W
- Elevation6,753 ft (2,058 m)
- Population5,044
- Jan 46° 24°
- Feb 46° 24°
- Mar 51° 27°
- Apr 57° 31°
- May 66° 37°
- Jun 75° 44°
- Jul 80° 51°
- Aug 79° 50°
- Sep 73° 44°
- Oct 63° 35°
- Nov 54° 28°
- Dec 46° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Big Bear Lake in August?
The normal high is 79°F and the normal low 50°F, for a daily mean of 64.1°F. August is 1.0°F cooler than July and 5.6°F warmer than September. August is the 2nd warmest month of the year in Big Bear Lake and the 6th wettest. Across the month the normal high falls 3°F, from 80°F on August 1 to 77°F on August 31. From one year to the next August's mean temperature typically moves about 1.2°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 63°F and 65°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 10%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 80°F | 51°F | 9% | 5% |
| August 8 | 80°F | 51°F | 9% | 5% |
| August 15 | 79°F | 50°F | 10% | 6% |
| August 22 | 78°F | 49°F | 10% | 6% |
| August 31 | 77°F | 48°F | 10% | 5% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 80°F | 51°F | 9% | 5% | 13 h 50 min |
| August 2 | 80°F | 51°F | 9% | 5% | 13 h 50 min |
| August 3 | 80°F | 51°F | 9% | 5% | 13 h 50 min |
| August 4 | 80°F | 51°F | 9% | 5% | 13 h 50 min |
| August 5 | 80°F | 51°F | 9% | 5% | 13 h 50 min |
| August 6 | 80°F | 51°F | 9% | 5% | 13 h 40 min |
| August 7 | 80°F | 51°F | 9% | 5% | 13 h 40 min |
| August 8 | 80°F | 51°F | 9% | 5% | 13 h 40 min |
| August 9 | 79°F | 50°F | 9% | 5% | 13 h 40 min |
| August 10 | 79°F | 50°F | 9% | 5% | 13 h 40 min |
| August 11 | 79°F | 50°F | 9% | 6% | 13 h 40 min |
| August 12 | 79°F | 50°F | 10% | 6% | 13 h 30 min |
| August 13 | 79°F | 50°F | 10% | 6% | 13 h 30 min |
| August 14 | 79°F | 50°F | 10% | 6% | 13 h 30 min |
| August 15 | 79°F | 50°F | 10% | 6% | 13 h 30 min |
| August 16 | 79°F | 50°F | 10% | 6% | 13 h 30 min |
| August 17 | 79°F | 49°F | 10% | 6% | 13 h 20 min |
| August 18 | 79°F | 49°F | 10% | 6% | 13 h 20 min |
| August 19 | 79°F | 49°F | 10% | 6% | 13 h 20 min |
| August 20 | 79°F | 49°F | 10% | 6% | 13 h 20 min |
| August 21 | 78°F | 49°F | 10% | 6% | 13 h 20 min |
| August 22 | 78°F | 49°F | 10% | 6% | 13 h 20 min |
| August 23 | 78°F | 49°F | 10% | 6% | 13 h 10 min |
| August 24 | 78°F | 49°F | 10% | 6% | 13 h 10 min |
| August 25 | 78°F | 48°F | 10% | 6% | 13 h 10 min |
| August 26 | 78°F | 48°F | 10% | 6% | 13 h 10 min |
| August 27 | 78°F | 48°F | 10% | 6% | 13 h 10 min |
| August 28 | 78°F | 48°F | 10% | 6% | 13 h |
| August 29 | 77°F | 48°F | 10% | 6% | 13 h |
| August 30 | 77°F | 48°F | 10% | 5% | 13 h |
| August 31 | 77°F | 48°F | 10% | 5% | 13 h |
- Normal high
- 79°FAugust average
- Normal low
- 50°FAugust average
- Precipitation
- 0.82 inmonth total
- Days with precipitation
- 30.01 inch or more
- Daylight
- 13 h 50 min to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 19
- Sunshine
- 94%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00040741; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Big Bear Lake in August?
On a given August day the chance of 0.01 inch or more is 10% on average, highest around August 18 (10%). In all, 0.82 in falls on 3 days of a normal August.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00040741.
What are the records for August in Big Bear Lake?
The warmest August temperature on this station's record (since 1960) is 92°F, on August 29, 1974; the coldest is 29°F, on August 25, 1965. The wettest August brought 4.60 in (2003).
The August mean against the 1991-2020 normal of 64.1°F: 2021 66.1°F (+2.0), 2022 66.3°F (+2.2), 2023 64.0°F (−0.1), 2024 66.0°F (+1.9), 2025 65.8°F (+1.7), 2026 69.2°F (+5.1). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 66.1°F | +2.0°F | 0.66 in |
| 2022 | 66.3°F | +2.2°F | 1.57 in |
| 2023 | 64.0°F | −0.1°F | 4.02 in |
| 2024 | 66.0°F | +1.9°F | 0.62 in |
| 2025 | 65.8°F | +1.7°F | 0.02 in |
| 2026 | 69.2°F | +5.1°F | 0.21 in |
Source: records: ACIS, station USC00040741; recent months: ACIS, station USC00040741. Records and recent months use complete months only.
How does August in Big Bear Lake compare across California?
Across the 219 places PlainClimate covers in California, August normal highs run from 63°F in Bodega to 109°F in Needles; Big Bear Lake's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Big Bear Lake in July80°F by day, 51°F at night
- Big Bear Lake in September73°F by day, 44°F at night
- Big Bear Lake through the yearEvery month, frost dates, records and recent years
- California in AugustThe statewide normal and the warmest and coolest places
- Needles: California's warmest Augustnormal high 109°F