Average weather, temperature, rainfall, sunshine hours
The climate of Chula Vista is
arid sub-tropical, with very mild, relatively rainy winters and warm, sunny summers.
The city overlooks the southern part of San Diego Bay, and is part of the metropolitan area of the Californian city. Like in San Diego, the climate is very mild due to the cold current 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
average temperature of the coldest month (December) is of 13.6 °C (56 °F), that of the warmest month (August) is of 22.1 °C (72 °F). Here are the average temperatures.
Chula Vista - Average temperaturesMonth | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Min (°C) | 8 | 9 | 10 | 12 | 14 | 16 | 18 | 19 | 17 | 14 | 10 | 7 |
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Max (°C) | 20 | 20 | 20 | 21 | 21 | 22 | 24 | 25 | 26 | 24 | 22 | 20 |
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Min (°F) | 46 | 48 | 50 | 54 | 57 | 61 | 64 | 66 | 63 | 57 | 50 | 45 |
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Max (°F) | 68 | 68 | 68 | 70 | 70 | 72 | 75 | 77 | 79 | 75 | 72 | 68 |
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Precipitation amounts to 245 millimeters (9.6 inches) per year: it is therefore scarce (although in winter there may be periods of bad weather). It ranges from 0 mm (0 in) in the driest months (from May to August) to 60 mm (2.4 in) in the wettest (February). Here is the average precipitation.
Chula Vista - Average precipitationMonth | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
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Prec.(mm) | 45 | 60 | 45 | 15 | 0 | 0 | 0 | 0 | 5 | 10 | 25 | 35 | 245 |
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Prec.(in) | 1.8 | 2.4 | 1.8 | 0.6 | 0 | 0 | 0 | 0 | 0.2 | 0.4 | 1 | 1.4 | 9.6 |
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Days | 5 | 7 | 6 | 3 | 1 | 0 | 0 | 0 | 1 | 2 | 3 | 4 | 32 |
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On average, there are around 3,015
sunshine hours per year. Therefore, the sun shines very often. Here are the average sunshine hours per day.
Chula Vista - SunshineMonth | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Hours | 7 | 8 | 8 | 8 | 8 | 8 | 10 | 9 | 9 | 8 | 8 | 8 |
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In San Diego Bay, the
sea temperature ranges between 15 °C (59 °F) and 21 °C (70 °F): so, the sea remains a bit cold even in summer. Here are the average sea temperatures.
Chula Vista - Sea temperatureMonth | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Temp (°C) | 15 | 15 | 15 | 16 | 17 | 18 | 20 | 20 | 20 | 19 | 18 | 16 |
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Temp (°F) | 59 | 59 | 59 | 61 | 63 | 64 | 68 | 68 | 68 | 66 | 64 | 61 |
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Best Time
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.
Back to
California.