Exeter, CA

Climate overview — based on NOAA 1991-2020 normals from LINDSAY, CA US.

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

Year-round temperatures (°F)

30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Exeter has an annual average temperature of 62.9°F with about 12.1 inches of precipitation per year and 0.2 inches of snow. The warmest month is July (average high 96.3°F), and the coldest is December (average low 36.0°F). January is typically the wettest month (2.25 in) and August the driest (0.01 in). Snow typically falls from January through January.

Annual swing
33.8°F
warmest to coldest month
Heating need
2,265
Cooling need
1,500

Best time to visit Exeter

Full guide →

Climate change signal

All-time records →

38 of 366 (10.4%) of Exeter'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.

1910s
33
1920s
62
1930s
61
1940s
31
1950s
23
1960s
17
1970s
17
1980s
23
1990s
15
2000s
42
2010s
22
2020s
20

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 57.1°F 37.0°F 47.0°F 2.25 in 0.2 in 9
February 62.7°F 39.9°F 51.3°F 2.18 in 8
March 69.0°F 43.5°F 56.2°F 2.00 in 7
April 74.5°F 46.8°F 60.6°F 1.25 in 4
May 82.6°F 52.4°F 67.5°F 0.49 in 3
June 90.6°F 58.0°F 74.3°F 0.10 in 1
July 96.3°F 64.4°F 80.4°F 0.08 in 0
August 95.6°F 62.3°F 78.9°F 0.01 in 0
September 90.5°F 57.3°F 73.9°F 0.07 in 1
October 79.2°F 49.1°F 64.2°F 0.65 in 2
November 65.9°F 41.2°F 53.6°F 1.11 in 4
December 57.3°F 36.0°F 46.6°F 1.93 in 7

Climate twins of Exeter

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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