Clearlake weather in August
In August, Clearlake sees average daytime highs of 86°F and overnight lows near 63°F, with 0.1 in of rain across 0.4 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 86°F through the month. The sky is clear or mostly clear about 91% of the time in August, and the air most often feels dry.
Daylight stretches from about 14 h 06 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Clearlake's 2nd-clearest and 8th-windiest month. For the whole year in context, see Clearlake's year-round climate.
- Daytime high
- 86°
- 2nd warmest
- Overnight low
- 63°
- 11th coldest
- Rainfall
- 0.1 in
- 0.4 wet days
- Daylight
- 13 h 30 min
- 5:29 AM – 7:01 PM
- Cloud cover
- 10%
- 2nd clearest
- Wind
- 4 mph
- 8th windiest
- Solar energy
- 7.43 kWh/m²
- Travel score
- 6.7
- out of 10
Clearlake is city in Lake County, California, United States.
- Density
- 554/km²
- people per km²
- Founded
- 1980
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 86°F through the month.
A typical August day in Clearlake reaches about 86°F in the afternoon and slips back to 63°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 93°F. Set against its neighbours, August runs on par with July and about 5°F warmer than September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 88 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 85 | 85 | 85 | 85 | 85 |
| Avg low (°F) | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 62 | 62 | 62 | 62 | 62 | 62 | 62 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 88 | 64 |
| 2 | 87 | 64 |
| 3 | 87 | 64 |
| 4 | 87 | 64 |
| 5 | 87 | 64 |
| 6 | 87 | 64 |
| 7 | 87 | 64 |
| 8 | 87 | 64 |
| 9 | 87 | 64 |
| 10 | 87 | 64 |
| 11 | 87 | 64 |
| 12 | 87 | 64 |
| 13 | 87 | 64 |
| 14 | 87 | 63 |
| 15 | 87 | 63 |
| 16 | 87 | 63 |
| 17 | 87 | 63 |
| 18 | 86 | 63 |
| 19 | 86 | 63 |
| 20 | 86 | 63 |
| 21 | 86 | 63 |
| 22 | 86 | 63 |
| 23 | 86 | 63 |
| 24 | 86 | 63 |
| 25 | 86 | 62 |
| 26 | 86 | 62 |
| 27 | 85 | 62 |
| 28 | 85 | 62 |
| 29 | 85 | 62 |
| 30 | 85 | 62 |
| 31 | 85 | 62 |
Clearlake weather by month
How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 53° / 38° | 6.1 | 10.9 | 1.4 | 9.6 | 2.8 |
| Feb | 55° / 40° | 5.9 | 9.4 | 1.7 | 10.5 | 3.6 |
| Mar | 59° / 42° | 4.7 | 10.4 | 1.4 | 11.7 | 4.6 |
| Apr | 64° / 45° | 2.1 | 6.5 | 0.3 | 13 | 6.2 |
| May | 71° / 51° | 1.4 | 4.7 | 0 | 14.1 | 7.8 |
| Jun | 80° / 58° | 0.5 | 2.1 | 0 | 14.7 | 8.2 |
| Jul | 87° / 64° | 0.0 | 0.2 | 0 | 14.5 | 6.6 |
| Aug | 86° / 63° | 0.1 | 0.4 | 0 | 13.5 | 6.7 |
| Sep | 82° / 59° | 0.2 | 1 | 0 | 12.3 | 8.2 |
| Oct | 72° / 52° | 1.6 | 3.8 | 0 | 11 | 8.2 |
| Nov | 60° / 43° | 3.2 | 7.1 | 0.2 | 9.9 | 5.1 |
| Dec | 52° / 38° | 6.2 | 10.5 | 0.8 | 9.3 | 2.8 |
Cloud cover in August
The sky is clear or mostly clear about 91% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 4% of August, with mostly cloudy or overcast conditions the remaining 5%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 94 | 94 | 94 |
| Cloudier (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 94 | 6 |
| 2 | 94 | 6 |
| 3 | 94 | 6 |
| 4 | 94 | 6 |
| 5 | 94 | 6 |
| 6 | 94 | 6 |
| 7 | 94 | 6 |
| 8 | 94 | 6 |
| 9 | 94 | 6 |
| 10 | 95 | 5 |
| 11 | 95 | 5 |
| 12 | 95 | 5 |
| 13 | 95 | 5 |
| 14 | 95 | 5 |
| 15 | 95 | 5 |
| 16 | 95 | 5 |
| 17 | 95 | 5 |
| 18 | 95 | 5 |
| 19 | 95 | 5 |
| 20 | 95 | 5 |
| 21 | 95 | 5 |
| 22 | 95 | 5 |
| 23 | 95 | 5 |
| 24 | 95 | 5 |
| 25 | 95 | 5 |
| 26 | 95 | 5 |
| 27 | 95 | 5 |
| 28 | 95 | 5 |
| 29 | 94 | 6 |
| 30 | 94 | 6 |
| 31 | 94 | 6 |
Chance of precipitation in August
Clearlake gets around 0.1 in of rain over 0.4 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Rain chance (%) | |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 2 |
| 15 | 2 |
| 16 | 2 |
| 17 | 2 |
| 18 | 2 |
| 19 | 1 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1 |
| 23 | 1 |
| 24 | 1 |
| 25 | 1 |
| 26 | 1 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 1 |
| 31 | 1 |
Humidity in August
Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 79 | 80 | 80 | 81 | 81 | 82 | 82 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 84 | 84 | 84 | 85 | 85 | 86 | 87 | 88 | 88 | 89 | 90 | 91 | 92 |
| Comfortable (%) | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 9 | 8 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 79 | 21 |
| 2 | 80 | 20 |
| 3 | 80 | 20 |
| 4 | 81 | 19 |
| 5 | 81 | 19 |
| 6 | 82 | 18 |
| 7 | 82 | 18 |
| 8 | 83 | 17 |
| 9 | 83 | 17 |
| 10 | 83 | 17 |
| 11 | 83 | 17 |
| 12 | 83 | 17 |
| 13 | 83 | 17 |
| 14 | 83 | 17 |
| 15 | 83 | 17 |
| 16 | 83 | 17 |
| 17 | 83 | 17 |
| 18 | 83 | 17 |
| 19 | 84 | 16 |
| 20 | 84 | 16 |
| 21 | 84 | 16 |
| 22 | 85 | 15 |
| 23 | 85 | 15 |
| 24 | 86 | 14 |
| 25 | 87 | 13 |
| 26 | 88 | 12 |
| 27 | 88 | 12 |
| 28 | 89 | 11 |
| 29 | 90 | 10 |
| 30 | 91 | 9 |
| 31 | 92 | 8 |
Wind in August
Winds average 4 mph in August.
Across August, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
| 31 | 4 | calm |
Sunrise & sunset in August
Daylight runs from about 14 h 06 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 72 minutes over August. Sunrise moves from 5:15 AM to 5:43 AM, and sunset from 7:18 PM to 6:39 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.1 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 12.9 |
| Sunrise (AM) | 5:15 | 5:16 | 5:17 | 5:17 | 5:18 | 5:19 | 5:20 | 5:21 | 5:22 | 5:23 | 5:24 | 5:25 | 5:26 | 5:27 | 5:28 | 5:29 | 5:30 | 5:30 | 5:31 | 5:32 | 5:33 | 5:34 | 5:35 | 5:36 | 5:37 | 5:38 | 5:39 | 5:40 | 5:41 | 5:42 | 5:43 |
| Sunset (PM) | 7:18 | 7:17 | 7:16 | 7:15 | 7:14 | 7:13 | 7:12 | 7:11 | 7:10 | 7:08 | 7:07 | 7:06 | 7:05 | 7:03 | 7:02 | 7:01 | 6:59 | 6:58 | 6:57 | 6:55 | 6:54 | 6:52 | 6:51 | 6:49 | 6:48 | 6:46 | 6:45 | 6:43 | 6:42 | 6:40 | 6:39 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.1 | 5:15 | 7:18 |
| 2 | 14.0 | 5:16 | 7:17 |
| 3 | 14.0 | 5:17 | 7:16 |
| 4 | 14.0 | 5:17 | 7:15 |
| 5 | 13.9 | 5:18 | 7:14 |
| 6 | 13.9 | 5:19 | 7:13 |
| 7 | 13.9 | 5:20 | 7:12 |
| 8 | 13.8 | 5:21 | 7:11 |
| 9 | 13.8 | 5:22 | 7:10 |
| 10 | 13.8 | 5:23 | 7:08 |
| 11 | 13.7 | 5:24 | 7:07 |
| 12 | 13.7 | 5:25 | 7:06 |
| 13 | 13.6 | 5:26 | 7:05 |
| 14 | 13.6 | 5:27 | 7:03 |
| 15 | 13.6 | 5:28 | 7:02 |
| 16 | 13.5 | 5:29 | 7:01 |
| 17 | 13.5 | 5:30 | 6:59 |
| 18 | 13.5 | 5:30 | 6:58 |
| 19 | 13.4 | 5:31 | 6:57 |
| 20 | 13.4 | 5:32 | 6:55 |
| 21 | 13.3 | 5:33 | 6:54 |
| 22 | 13.3 | 5:34 | 6:52 |
| 23 | 13.3 | 5:35 | 6:51 |
| 24 | 13.2 | 5:36 | 6:49 |
| 25 | 13.2 | 5:37 | 6:48 |
| 26 | 13.1 | 5:38 | 6:46 |
| 27 | 13.1 | 5:39 | 6:45 |
| 28 | 13.1 | 5:40 | 6:43 |
| 29 | 13.0 | 5:41 | 6:42 |
| 30 | 13.0 | 5:42 | 6:40 |
| 31 | 12.9 | 5:43 | 6:39 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 7.43 kWh/m².
For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 8.26 kWh/m² in July across the year — August's 7.43 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.9 | 7.9 | 7.8 | 7.8 | 7.8 | 7.8 | 7.7 | 7.7 | 7.7 | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.1 | 7.1 | 7.1 | 7.0 | 7.0 | 6.9 | 6.9 | 6.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.9 | Intense |
| 2 | 7.9 | Intense |
| 3 | 7.8 | Intense |
| 4 | 7.8 | Intense |
| 5 | 7.8 | Intense |
| 6 | 7.8 | Intense |
| 7 | 7.7 | Intense |
| 8 | 7.7 | Intense |
| 9 | 7.7 | Intense |
| 10 | 7.6 | Intense |
| 11 | 7.6 | Intense |
| 12 | 7.6 | Intense |
| 13 | 7.5 | Intense |
| 14 | 7.5 | Intense |
| 15 | 7.5 | Intense |
| 16 | 7.5 | Intense |
| 17 | 7.4 | Intense |
| 18 | 7.4 | Intense |
| 19 | 7.3 | Intense |
| 20 | 7.3 | Intense |
| 21 | 7.3 | Intense |
| 22 | 7.2 | Intense |
| 23 | 7.2 | Intense |
| 24 | 7.1 | Intense |
| 25 | 7.1 | Intense |
| 26 | 7.1 | Intense |
| 27 | 7.0 | Intense |
| 28 | 7.0 | Intense |
| 29 | 6.9 | Intense |
| 30 | 6.9 | Intense |
| 31 | 6.8 | Intense |
Hazard calendar for Clearlake
None of Clearlake's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Clearlake's rainy season runs November–March, when most of the year's rain falls.
Is August a good time to visit Clearlake?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Clearlake for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Clearlake in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Clearlake sees daytime highs around 86°F and nights near 63°F. Pack light clothes and sun protection.
UV index in Clearlake in August
Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Clearlake peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 9 | 10 | 10 | 9 | 6 | 5 | 2 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme | Very high | High | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | High |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Clearlake in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Clearlake is worst in September — around 31 µg/m³ PM2.5 (moderate), about 5.8× the cleanest month (June, 5 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 6 | 8 | 9 | 8 | 6 | 5 | 14 | 29 | 31 | 14 | 8 | 6 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 8 | Good |
| Mar | 9 | Good |
| Apr | 8 | Good |
| May | 6 | Good |
| Jun | 5 | Good |
| Jul | 14 | Moderate |
| Aug | 29 | Moderate |
| Sep | 31 | Moderate |
| Oct | 14 | Moderate |
| Nov | 8 | Good |
| Dec | 6 | Good |
Where is Clearlake?
Clearlake sits at 39.0°N, 122.6°W, 1,417 ft above sea level, in United States. The nearest listed city is Windsor, 30 mi away.
Topography around Clearlake
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Clearlake.
Within 2 miles, the terrain around Clearlake has significant variations in elevation — a maximum elevation change of 853 ft around an average of 1,493 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,409 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,982 ft.
The land around Clearlake is covered by trees (39%) and grassland (28%) within 2 miles, trees (52%) and grassland (38%) within 10 miles, and trees (52%) and grassland (30%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Clearlake (38.9582°, -122.6264°, elevation 1,417 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).