Coronado, CA

Climate overview — based on NOAA 1991-2020 normals from NORTH ISLAND NAS, CA US.

BWk Desert (cold) climate 10a USDA hardiness Zone 10a

Year-round temperatures (°F)

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

Climate summary

Coronado has an annual average temperature of 63.9°F with about 9.3 inches of precipitation per year. The warmest month is August (average high 76.7°F), and the coldest is December (average low 48.5°F). February is typically the wettest month (1.94 in) and August the driest (0.02 in).

Pleasant months
10 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
14.4°F
warmest to coldest month
Heating need
1,014
Cooling need
624

Best time to visit Coronado

Full guide →

Climate change signal

All-time records →

49 of 366 (13.4%) of Coronado'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.

1940s
2
1950s
22
1960s
27
1970s
52
1980s
64
1990s
20
2000s
71
2010s
85
2020s
23

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 66.3°F 49.0°F 57.6°F 1.67 in 7
February 66.3°F 50.5°F 58.4°F 1.94 in 8
March 67.0°F 52.9°F 60.0°F 1.45 in 6
April 68.1°F 55.4°F 61.8°F 0.64 in 3
May 69.3°F 59.1°F 64.2°F 0.45 in 2
June 70.9°F 61.7°F 66.3°F 0.06 in 1
July 74.4°F 65.1°F 69.7°F 0.09 in 1
August 76.7°F 66.5°F 71.6°F 0.02 in 0
September 76.6°F 65.1°F 70.9°F 0.16 in 1
October 74.5°F 60.2°F 67.3°F 0.59 in 3
November 70.5°F 53.6°F 62.0°F 0.78 in 4
December 65.8°F 48.5°F 57.2°F 1.48 in 7

Climate twins of Coronado

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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