Annual mean 17°C · wettest around January · prevailing wind W
Warmest
27.9 °C
Coldest
17.2 °C
Wettest
44%
Windiest
4.4 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 Chula Vista over the whole year is 17°C. August is the hottest month, with highs of about 27°C; January is the coldest, with lows of about 9°C. The rainy (wet) season in Chula Vista runs from November to May, peaking in January with a 43% chance of rain on a given day. The dry season is June to August; July is the driest month, at 4%. Winds in Chula Vista 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 Chula Vista come in November, when the sky is typically 29% covered; May is the cloudiest month, at 62%.
Month by month Chula Vista 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
9°C
15°C
43%
39%
2.1 m/s
51
1
86
February
18°C
9°C
15°C
43%
39%
2.4 m/s
51
4
81
March
18°C
10°C
15°C
42%
50%
2.4 m/s
55
2
86
April
20°C
12°C
17°C
29%
47%
2.5 m/s
73
6
84
May
20°C
14°C
18°C
34%
62%
2.6 m/s
82
6
85
June
23°C
16°C
22°C
12%
52%
2.5 m/s
87
22
66
July
26°C
19°C
25°C
4%
40%
2.4 m/s
74
49
36
August
27°C
19°C
26°C
18%
35%
2.3 m/s
65
62
25
September
26°C
18°C
25°C
33%
39%
2.2 m/s
71
48
36
October
25°C
15°C
23°C
22%
33%
2.0 m/s
83
29
58
November
22°C
11°C
19°C
40%
29%
1.9 m/s
80
10
78
December
19°C
9°C
16°C
40%
35%
2.0 m/s
62
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 Chula Vista weather by season
Year round, Chula Vista has days of about 18°C at their warmest in January, its coolest month, and 27°C in August, its warmest; the coolest hours of the day run from 9°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 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.
Chula Vista weather in winterDecember to February
High 18°CLow 9°CRain 42%
Winter in Chula Vista has typical daily highs of about 18°C and lows of about 9°C, with a 42% chance of rain on a given day.
Chula Vista weather in springMarch to May
High 19°CLow 12°CRain 35%
Spring in Chula Vista has typical daily highs of about 19°C and lows of about 12°C, with a 35% chance of rain on a given day.
Chula Vista weather in summerJune to August
High 25°CLow 18°CRain 12%
Summer in Chula Vista has typical daily highs of about 25°C and lows of about 18°C, with a 12% chance of rain on a given day.
Chula Vista weather in autumnSeptember to November
High 24°CLow 15°CRain 32%
Autumn in Chula Vista has typical daily highs of about 24°C and lows of about 15°C, with a 32% chance of rain on a given day.
When is the rainy season in Chula Vista?
The rainy (wet) season in Chula Vista runs from November to May, peaking in January with a 43% 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 Chula Vista windiest?
Winds in Chula Vista 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 Chula Vista year round?
The average temperature in Chula Vista over the whole year is 17°C. August is the hottest month, with highs of about 27°C; January is the coldest, with lows of about 9°C.