Chula Vista, CA

Climate overview — based on NOAA 1991-2020 normals from SAN DIEGO BROWN FLD, CA US.

BSk Semi-arid (cold) climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 50° 60° 70° 80° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Chula Vista has an annual average temperature of 62.6°F with about 10.2 inches of precipitation per year. The warmest month is August (average high 80.6°F), and the coldest is December (average low 43.8°F). February is typically the wettest month (2.39 in) and August the driest (0.01 in).

Pleasant months
6 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
16.5°F
warmest to coldest month
Heating need
1,437
Cooling need
573

Best time to visit Chula Vista

Full guide →

Climate change signal

All-time records →

161 of 366 (44%) of Chula Vista's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1990s
37
2000s
123
2010s
125
2020s
81

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 67.0°F 44.4°F 55.7°F 1.83 in 7
February 66.4°F 45.2°F 55.8°F 2.39 in 8
March 67.5°F 47.3°F 57.4°F 1.52 in 7
April 69.8°F 50.0°F 59.9°F 0.80 in 6
May 71.2°F 54.4°F 62.8°F 0.27 in 3
June 74.3°F 57.9°F 66.1°F 0.10 in 1
July 78.3°F 61.5°F 69.9°F 0.04 in 1
August 80.6°F 63.0°F 71.8°F 0.01 in 1
September 79.8°F 60.8°F 70.3°F 0.18 in 2
October 76.7°F 55.3°F 66.0°F 0.44 in 4
November 71.8°F 48.6°F 60.2°F 0.83 in 5
December 66.7°F 43.8°F 55.3°F 1.82 in 7

Climate twins of Chula Vista

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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