Hollister, ID

Climate overview — based on NOAA 1991-2020 normals from TWIN FALLS SUN VLY RGNL AP, ID US.

BSk Semi-arid (cold) climate 7b USDA hardiness Zone 7b

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Hollister has an annual average temperature of 49.1°F with about 10.3 inches of precipitation per year. The warmest month is July (average high 88.4°F), and the coldest is December (average low 20.1°F). May is typically the wettest month (1.46 in) and July the driest (0.31 in).

Annual swing
44.5°F
warmest to coldest month
Heating need
6,159
Cooling need
429

Best time to visit Hollister

Full guide →

Climate change signal

All-time records →

143 of 366 (39.1%) of Hollister'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
28
2000s
112
2010s
144
2020s
82

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 37.0°F 21.1°F 29.1°F 0.95 in 8
February 41.8°F 23.8°F 32.8°F 0.68 in 7
March 52.2°F 29.7°F 40.9°F 0.98 in 9
April 58.7°F 34.3°F 46.5°F 1.13 in 9
May 68.7°F 42.2°F 55.4°F 1.46 in 9
June 78.2°F 49.4°F 63.8°F 0.99 in 5
July 88.4°F 57.7°F 73.0°F 0.31 in 3
August 86.8°F 55.8°F 71.3°F 0.43 in 3
September 76.4°F 47.1°F 61.8°F 0.53 in 4
October 62.3°F 36.4°F 49.3°F 0.77 in 5
November 47.2°F 26.0°F 36.6°F 0.82 in 7
December 36.9°F 20.1°F 28.5°F 1.23 in 10

Climate twins of Hollister

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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