San Juan Bautista, CA

Climate overview — based on NOAA 1991-2020 normals from HOLLISTER 2, 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

San Juan Bautista has an annual average temperature of 58.6°F with about 13.7 inches of precipitation per year. The warmest month is August (average high 81.4°F), and the coldest is December (average low 37.6°F). January is typically the wettest month (3.10 in) and July the driest (0.00 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
19.6°F
warmest to coldest month
Heating need
2,505
Cooling need
192

Best time to visit San Juan Bautista

Full guide →

Climate change signal

All-time records →

59 of 366 (16.1%) of San Juan Bautista'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
0
1950s
0
1970s
29
1980s
98
1990s
77
2000s
80
2010s
47
2020s
35

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 59.6°F 38.7°F 49.1°F 3.10 in 8
February 62.0°F 40.7°F 51.3°F 2.65 in 10
March 65.6°F 42.6°F 54.1°F 2.23 in 7
April 69.1°F 44.5°F 56.8°F 0.99 in 5
May 73.3°F 48.4°F 60.8°F 0.44 in 2
June 78.0°F 51.2°F 64.6°F 0.09 in 1
July 79.6°F 53.8°F 66.7°F 0.00 in 0
August 81.4°F 54.4°F 67.9°F 0.01 in 0
September 80.9°F 52.6°F 66.8°F 0.05 in 0
October 76.7°F 48.0°F 62.3°F 0.62 in 3
November 66.6°F 41.9°F 54.2°F 1.25 in 5
December 58.9°F 37.6°F 48.3°F 2.27 in 0.1 in 7

Climate twins of San Juan Bautista

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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