Precipitation is scarce, although in winter there may be periods of bad weather.
, and is part of the metropolitan area of the city. Like in San Diego, the climate is very mild due to the
flowing in the ocean. Here too, however, the temperature can go up a lot when the Santa Ana wind blows from the deserts areas of the interior. The Santa Ana blows more easily in September and October.
" can occur in the morning: this is a kind of cloudy and damp weather, sometimes foggy, accompanied by a sort of drizzle, which is formed on the sea and later can invade the mainland.
temperature ranges between 15 °C (59 °F) and 20.5 °C (69 °F): so, the sea remains a bit cold even in summer.
Having a great climate, Chula Vista can be visited all year round. However, from December to March, it can rain, and it can get a bit cold at night. In May and June, there may be morning mists. In summer, but especially in September and October, there can be very hot days, when the wind blows from the desert.
The best time to go to the beach is from July to October, when the sea is less cold.
. Here are the average temperatures.
January is generally a mild month. The average temperature is of
13.9 °C, with a minimum of
8.1 °C and a maximum of
19.7 °C.

On the coldest nights of the month, the temperature usually drops to around
4 °C.

On the warmest days of the month, the temperature usually reaches around
26 °C.

Precipitation amounts to
45 mm, distributed over 5 days.
The day lasts on average 10 hours and 20 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 64%.
The average wind speed is of
10.7 kph.

The average sea temperature is of
15.2 °C. Therefore, the sea is cold for swimming.
February is generally a mild month. The average temperature is of
14.2 °C, with a minimum of
9.1 °C and a maximum of
19.3 °C.

On the coldest nights of the month, the temperature usually drops to around
6 °C.

On the warmest days of the month, the temperature usually reaches around
25.5 °C.

Precipitation amounts to
60 mm, distributed over 7 days.
The day lasts on average 11 hours and 5 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 73% of the time.
The average humidity is 66%.
The average wind speed is of
12 kph.

The average sea temperature is of
15.1 °C. Therefore, the sea is cold for swimming.
March is generally a very mild month. The average temperature is of
15.1 °C, with a minimum of
10.8 °C and a maximum of
19.4 °C.

On the coldest nights of the month, the temperature usually drops to around
7 °C.

On the warmest days of the month, the temperature usually reaches around
26.5 °C.

Precipitation amounts to
35 mm, distributed over 5 days.
The day lasts on average 12 hours and 0 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 68%.
The average wind speed is of
12.2 kph.

The average sea temperature is of
15.4 °C. Therefore, the sea is cold for swimming.
April is generally a very mild month. The average temperature is of
16.1 °C, with a minimum of
11.9 °C and a maximum of
20.2 °C.

On the coldest nights of the month, the temperature usually drops to around
8.5 °C.

On the warmest days of the month, the temperature usually reaches around
27.5 °C.

Precipitation amounts to
15 mm, distributed over 3 days.
The day lasts on average 13 hours and 0 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 67%.
The average wind speed is of
12.5 kph.

The average sea temperature is of
15.8 °C. Therefore, the sea is cold for swimming.
May is generally a very mild month. The average temperature is of
17.5 °C, with a minimum of
14.4 °C and a maximum of
20.5 °C.

On the coldest nights of the month, the temperature usually drops to around
10 °C.

On the warmest days of the month, the temperature usually reaches around
25 °C.

Precipitation amounts to only
5 mm, and all occurs in one day.
The day lasts on average 13 hours and 55 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
12.7 kph.

The average sea temperature is of
16.8 °C. Therefore, the sea is cold for swimming.
June is generally a warm month. The average temperature is of
18.9 °C, with a minimum of
16.2 °C and a maximum of
21.7 °C.

On the coldest nights of the month, the temperature usually drops to around
12 °C.

On the warmest days of the month, the temperature usually reaches around
23.5 °C.

Precipitation amounts to only
0 mm, so on average it never rains in the whole month.
The day lasts on average 14 hours and 20 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.

There are on average 8 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
12.5 kph.

The average sea temperature is of
18 °C. Therefore, the sea is cold for swimming.
July is generally a warm month. The average temperature is of
20.9 °C, with a minimum of
18.2 °C and a maximum of
23.7 °C.

On the coldest nights of the month, the temperature usually drops to around
14 °C.

On the warmest days of the month, the temperature usually reaches around
26.5 °C.

Precipitation amounts to only
0 mm, so on average it never rains in the whole month.
The day lasts on average 14 hours and 0 minutes.

There are on average 10 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
11.4 kph.

The average sea temperature is of
19.7 °C. Therefore, the sea is very cool for swimming.
August, the warmest month of the year, is generally a warm month. The average temperature is of
21.9 °C, with a minimum of
18.8 °C and a maximum of
24.9 °C.

On the coldest nights of the month, the temperature usually drops to around
15 °C.

On the warmest days of the month, the temperature usually reaches around
28.5 °C.

Precipitation amounts to only
0 mm, so on average it never rains in the whole month.
The day lasts on average 13 hours and 20 minutes.

There are on average 9 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
11.6 kph.

The average sea temperature is of
20.5 °C. Therefore, the sea is cool for swimming.
September is generally a warm month. The average temperature is of
21.4 °C, with a minimum of
17.8 °C and a maximum of
25.1 °C.

On the coldest nights of the month, the temperature usually drops to around
12.5 °C.

On the warmest days of the month, the temperature usually reaches around
32.5 °C.

Precipitation amounts to only
0 mm, so on average it never rains in the whole month.
The day lasts on average 12 hours and 20 minutes.

There are on average 9 hours of sunshine per day. So, the sun shines 73% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
10.1 kph.

The average sea temperature is of
20.5 °C. Therefore, the sea is cool for swimming.
October is generally a warm month. The average temperature is of
19.3 °C, with a minimum of
14.7 °C and a maximum of
23.8 °C.

On the coldest nights of the month, the temperature usually drops to around
9.5 °C.

On the warmest days of the month, the temperature usually reaches around
31.5 °C.

Precipitation amounts to
10 mm, and all occurs in one day.
The day lasts on average 11 hours and 20 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 70%.
The average wind speed is of
9.9 kph.

The average sea temperature is of
19.4 °C. Therefore, the sea is very cool for swimming.
November is generally a very mild month. The average temperature is of
16.1 °C, with a minimum of
10.5 °C and a maximum of
21.7 °C.

On the coldest nights of the month, the temperature usually drops to around
6 °C.

On the warmest days of the month, the temperature usually reaches around
31.5 °C.

Precipitation amounts to
15 mm, distributed over 3 days.
The day lasts on average 10 hours and 30 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 61%.
The average wind speed is of
10.3 kph.

The average sea temperature is of
17.7 °C. Therefore, the sea is cold for swimming.
December, the coldest month of the year, is generally a mild month. The average temperature is of
13.5 °C, with a minimum of
7.8 °C and a maximum of
19.2 °C.

On the coldest nights of the month, the temperature usually drops to around
3 °C.

On the warmest days of the month, the temperature usually reaches around
26.5 °C.

Precipitation amounts to
40 mm, distributed over 5 days.
The day lasts on average 10 hours and 0 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.

There are on average 8 hours of sunshine per day. So, the sun shines 80% of the time.
The average humidity is 64%.
The average wind speed is of
10.8 kph.

The average sea temperature is of
15.9 °C. Therefore, the sea is cold for swimming.