Annual mean 17°C · wettest around February · prevailing wind W
Warmest
27.2 °C
Coldest
17.1 °C
Wettest
41%
Windiest
4.3 m/s
Prevailing
W
3.8 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 Imperial Beach over the whole year is 17°C. August is the hottest month, with highs of about 26°C; January is the coldest, with lows of about 10°C. The rainy (wet) season in Imperial Beach runs from November to May, peaking in February with a 41% chance of rain on a given day. The dry season is June to August; July is the driest month, at 4%. Winds in Imperial Beach are highest in May, averaging 2.6 m/s (9 km/h), and lightest in November, at 1.9 m/s (7 km/h). The prevailing wind is from the W. The clearest skies in Imperial Beach come in November, when the sky is typically 31% covered; May is the cloudiest month, at 64%.
Month by month Imperial Beach 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
18°C
10°C
15°C
40%
40%
2.1 m/s
52
1
87
February
18°C
10°C
15°C
41%
41%
2.4 m/s
51
3
83
March
18°C
11°C
15°C
39%
51%
2.5 m/s
55
2
87
April
20°C
12°C
17°C
27%
49%
2.5 m/s
73
5
86
May
20°C
14°C
18°C
32%
64%
2.6 m/s
83
4
87
June
22°C
17°C
21°C
11%
55%
2.5 m/s
90
17
72
July
25°C
19°C
24°C
4%
44%
2.4 m/s
81
43
43
August
26°C
19°C
26°C
17%
40%
2.3 m/s
73
58
29
September
26°C
18°C
25°C
31%
42%
2.2 m/s
74
45
39
October
24°C
16°C
22°C
20%
36%
2.0 m/s
85
27
61
November
22°C
12°C
19°C
37%
31%
1.9 m/s
81
9
80
December
19°C
10°C
16°C
37%
37%
1.9 m/s
63
1
87
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 Imperial Beach weather by season
Year round, Imperial Beach has days of about 18°C at their warmest in January, its coolest month, and 26°C in August, its warmest; the coolest hours of the day run from 10°C to 19°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around February 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.
Imperial Beach weather in winterDecember to February
High 18°CLow 10°CRain 39%
Winter in Imperial Beach has typical daily highs of about 18°C and lows of about 10°C, with a 39% chance of rain on a given day.
Imperial Beach weather in springMarch to May
High 19°CLow 12°CRain 33%
Spring in Imperial Beach has typical daily highs of about 19°C and lows of about 12°C, with a 33% chance of rain on a given day.
Imperial Beach weather in summerJune to August
High 24°CLow 18°CRain 11%
Summer in Imperial Beach has typical daily highs of about 24°C and lows of about 18°C, with a 11% chance of rain on a given day.
Imperial Beach weather in autumnSeptember to November
High 24°CLow 15°CRain 29%
Autumn in Imperial Beach has typical daily highs of about 24°C and lows of about 15°C, with a 29% chance of rain on a given day.
When is the rainy season in Imperial Beach?
The rainy (wet) season in Imperial Beach runs from November to May, peaking in February with a 41% chance of rain on a given day. The dry season is June to August; July is the driest month, at 4%.
What time of year is Imperial Beach windiest?
Winds in Imperial Beach are highest in May, averaging 2.6 m/s (9 km/h), and lightest in November, at 1.9 m/s (7 km/h). The prevailing wind is from the W.
What is the average temperature in Imperial Beach year round?
The average temperature in Imperial Beach over the whole year is 17°C. August is the hottest month, with highs of about 26°C; January is the coldest, with lows of about 10°C.