Annual mean 15°C · wettest around January · prevailing wind SW
Warmest
28.3 °C
Coldest
11.5 °C
Wettest
34%
Windiest
3.9 m/s
Prevailing
SW
3.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Clearlake over the whole year is 15°C. July is the hottest month, with highs of about 28°C; December is the coldest, with lows of about 6°C. The rainy (wet) season in Clearlake runs from October to May, peaking in January with a 34% chance of rain on a given day. The dry season is June to September; July is the driest month, at 3%. Winds in Clearlake are highest in May, averaging 2.9 m/s (10 km/h), and lightest in November, at 1.7 m/s (6 km/h). The prevailing wind is from the SW. The clearest skies in Clearlake come in July, when the sky is typically 13% covered; January is the cloudiest month, at 50%.
Month by month Clearlake climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
12°C
6°C
10°C
34%
50%
2.1 m/s
9
0
72
February
14°C
6°C
11°C
31%
34%
2.4 m/s
24
0
75
March
15°C
7°C
12°C
33%
44%
2.6 m/s
32
1
78
April
19°C
9°C
17°C
25%
29%
2.6 m/s
63
10
79
May
22°C
12°C
21°C
22%
24%
2.9 m/s
73
26
64
June
26°C
14°C
25°C
9%
14%
2.9 m/s
62
50
37
July
28°C
15°C
28°C
3%
13%
2.7 m/s
47
62
22
August
28°C
15°C
28°C
5%
17%
2.4 m/s
48
65
21
September
26°C
13°C
25°C
12%
18%
2.1 m/s
65
52
36
October
23°C
10°C
21°C
21%
21%
1.9 m/s
77
26
64
November
16°C
7°C
14°C
29%
33%
1.7 m/s
42
1
87
December
12°C
6°C
9°C
34%
44%
1.8 m/s
9
0
71
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Clearlake weather by season
Year round, Clearlake has days of about 12°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from 6°C to 15°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around January and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Clearlake weather in winterDecember to February
High 13°CLow 6°CRain 33%
Winter in Clearlake has typical daily highs of about 13°C and lows of about 6°C, with a 33% chance of rain on a given day.
Clearlake weather in springMarch to May
High 19°CLow 9°CRain 27%
Spring in Clearlake has typical daily highs of about 19°C and lows of about 9°C, with a 27% chance of rain on a given day.
Clearlake weather in summerJune to August
High 27°CLow 15°CRain 6%
Summer in Clearlake has typical daily highs of about 27°C and lows of about 15°C, with a 6% chance of rain on a given day.
Clearlake weather in autumnSeptember to November
High 22°CLow 10°CRain 20%
Autumn in Clearlake has typical daily highs of about 22°C and lows of about 10°C, with a 20% chance of rain on a given day.
When is the rainy season in Clearlake?
The rainy (wet) season in Clearlake runs from October to May, peaking in January with a 34% chance of rain on a given day. The dry season is June to September; July is the driest month, at 3%.
What time of year is Clearlake windiest?
Winds in Clearlake are highest in May, averaging 2.9 m/s (10 km/h), and lightest in November, at 1.7 m/s (6 km/h). The prevailing wind is from the SW.
What is the average temperature in Clearlake year round?
The average temperature in Clearlake over the whole year is 15°C. July is the hottest month, with highs of about 28°C; December is the coldest, with lows of about 6°C.