Clearlake weather in February

In February, Clearlake sees average daytime highs of 55°F and overnight lows near 40°F, with 5.9 in of precipitation across 9.4 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 55°F through the month. The sky is clear or mostly clear about 31% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of February to 11 hours by month's end. Set against the rest of the year, February is Clearlake's 11th-clearest and 5th-windiest month. For the whole year in context, see Clearlake's year-round climate.

Daytime high
55°
10th warmest
Overnight low
40°
3rd coldest
Precipitation
5.9 in
9.4 wet days
Daylight
10 h 30 min
7:11 AM – 5:40 PM
Cloud cover
60%
11th clearest
Wind
4 mph
5th windiest
Solar energy
3.14 kWh/m²
Travel score
3.6
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 February

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 55°F through the month.

A typical February day in Clearlake reaches about 55°F in the afternoon and slips back to 40°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 46°F and 66°F. Set against its neighbours, February runs about 3°F warmer than January and about 4°F cooler than March.

30°40°50°60°70°151015202528
Avg high (°F)Avg low (°F)
15539
25539
35539
45540
55540
65540
75540
85540
95540
105540
115540
125540
135540
145540
155540
165540
175540
185540
195540
205540
215540
225540
235540
245540
255540
265640
275640
285640

Clearlake weather by month

How February compares with the rest of the year at a glance. February is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan53° / 38°6.110.91.49.62.8
Feb55° / 40°5.99.41.710.53.6
Mar59° / 42°4.710.41.411.74.6
Apr64° / 45°2.16.50.3136.2
May71° / 51°1.44.7014.17.8
Jun80° / 58°0.52.1014.78.2
Jul87° / 64°0.00.2014.56.6
Aug86° / 63°0.10.4013.56.7
Sep82° / 59°0.21012.38.2
Oct72° / 52°1.63.80118.2
Nov60° / 43°3.27.10.29.95.1
Dec52° / 38°6.210.50.89.32.8

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 12% of February, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
14357
24456
34357
44357
54456
64456
74357
84258
94258
104258
114258
124258
134258
144258
154258
164357
174357
184258
194258
204357
214357
224357
234456
244456
254456
264555
274555
284654

Chance of precipitation in February

Any precipitationSnow

Clearlake gets around 5.9 in of rain and snow over 9.4 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 37% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202528
Rain chance (%)Snow chance (%)
1313
2313
3313
4314
5314
6314
7324
8325
9335
10335
11346
12346
13356
14357
15357
16357
17357
18357
19357
20367
21367
22367
23367
24377
25377
26377
27376
28376

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, February lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202528
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100

Wind in February

Winds average 4 mph in February.

Across February, 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.

0246810151015202528
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 10 hours at the start of February to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over February. Sunrise moves from 7:24 AM to 6:54 AM, and sunset from 5:24 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:245:24
210.07:245:25
310.17:235:26
410.17:225:27
510.17:215:28
610.27:205:29
710.27:195:31
810.27:185:32
910.37:175:33
1010.37:165:34
1110.37:155:35
1210.47:145:36
1310.47:135:37
1410.47:125:39
1510.57:115:40
1610.57:095:41
1710.67:085:42
1810.67:075:43
1910.67:065:44
2010.77:045:45
2110.77:035:46
2210.87:025:47
2310.87:015:49
2410.86:595:50
2510.96:585:51
2610.96:575:52
2711.06:555:53
2811.06:545:54

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.14 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 — February's 3.14 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.8Moderate
42.8Moderate
52.8Moderate
62.9Moderate
72.9Moderate
82.9Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.2Moderate
173.2Moderate
183.3Moderate
193.3Moderate
203.3Moderate
213.4Moderate
223.4Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.6Moderate
273.6Moderate
283.7Moderate
Planning a trip in February

Hazard calendar for Clearlake

In seasonPeak

In February, Clearlake sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Clearlake's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is February a good time to visit Clearlake?

Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.6
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

February is a weaker month for outdoor sightseeing in Clearlake.

What to pack for Clearlake in February

From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In February, Clearlake sees daytime highs around 55°F and nights near 40°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Clearlake in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 3 — enough to warrant sun protection. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 15UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Low

Air quality in Clearlake in February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February 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).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1031 µg/m³Jun 106 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar9Good
Apr8Good
May6Good
Jun5Good
Jul14Moderate
Aug29Moderate
Sep31Moderate
Oct14Moderate
Nov8Good
Dec6Good
Location & terrain

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.

2 miles
853 ft
10 miles
3,409 ft
50 miles
6,982 ft
treesgrasslandcroplandartificial surfaceswater
February weather nearby: Windsor 30 mi · Ukiah 34 mi · Santa Rosa 36 mi · Rohnert Park 43 mi · Agua Caliente 45 mi · Napa 49 mi · Woodland 50 mi · Petaluma 50 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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).