Rough and Ready, California Climate Data

Rough and Ready, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 47.1 °F (low) to 71.2 °F (high). Annual precipitation averages 46.2 Inches. Rough and Ready is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 11 - Nov. 20.

Avg Annual High71.2 °F
Avg Annual Low47.1 °F
Annual Precipitation46.2 in.
Hardiness ZoneZone 9a
Growing Season: Last frost around Apr. 1 - Apr. 10 — First frost around Nov. 11 - Nov. 20 — Approximately 50-75 Days frost days per year.

Monthly Average Climate Data for Rough and Ready, California

Average monthly temperatures and precipitation Switch to Celsius / Metric
MonthAvg. LowAvg. HighAvg. Precip
January36.8 °F55.3 °F8.12 in.
February37.6 °F57.1 °F7.67 in.
March39.7 °F60.8 °F7.33 in.
April42.6 °F65.4 °F3.87 in.
May48.8 °F73.7 °F2.21 in.
June55.3 °F83.1 °F0.58 in.
July61.4 °F91.1 °F0.02 in.
August60.8 °F90.8 °F0.1 in.
September56.3 °F85.9 °F0.38 in.
October48.9 °F75.2 °F2.2 in.
November41.0 °F61.9 °F4.75 in.
December36.3 °F54.1 °F8.94 in.
Annual47.1 °F71.2 °F46.17 in.

Climate Zone Data for Rough and Ready, California

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost50-75 Days
Plant Hardiness ZoneZone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
2026 plantmaps.com