Green Valley, California Climate Data

Green Valley, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 8.7 °C (low) to 23.2 °C (high). Annual precipitation averages 685.6 Millimeters. Green Valley is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Jan. 1 - Jan. 10.

Avg Annual High23.2 °C

Avg Annual Low8.7 °C

Annual Precipitation685.6 mm

Hardiness ZoneZone 9b

Monthly Average Climate Data for Green Valley, California

Average monthly temperatures and precipitation Switch to Fahrenheit

Month	Avg. Low	Avg. High	Avg. Precip
January	5 °C	14.1 °C	100.84 mm
February	4.6 °C	14.7 °C	127.76 mm
March	5.9 °C	17.7 °C	83.06 mm
April	7.2 °C	20.8 °C	31.5 mm
May	10.3 °C	24.6 °C	13.97 mm
June	14.1 °C	29.4 °C	3.3 mm
July	17.6 °C	33.2 °C	2.54 mm
August	17.8 °C	33.4 °C	0.76 mm
September	16.1 °C	31.2 °C	4.32 mm
October	11.9 °C	25.2 °C	17.02 mm
November	7.8 °C	18.6 °C	29.97 mm
December	4.4 °C	13.6 °C	75.95 mm
Annual	10.2 °C	23 °C	490.99 mm

Month	Avg. Low	Avg. High	Avg. Precip
January	3.8 °C	13.9 °C	134.37 mm
February	4.8 °C	16.3 °C	122.68 mm
March	6.2 °C	18.8 °C	88.65 mm
April	7.6 °C	21.9 °C	47.75 mm
May	10 °C	25.3 °C	23.62 mm
June	12.3 °C	29.4 °C	2.79 mm
July	13.7 °C	31.6 °C	0 mm
August	13.7 °C	31.7 °C	0.25 mm
September	12.5 °C	30.4 °C	1.02 mm
October	9.8 °C	25.9 °C	38.1 mm
November	6.1 °C	18.8 °C	70.36 mm
December	3.7 °C	13.9 °C	155.96 mm
Annual	8.7 °C	23.2 °C	685.55 mm

Climate Zone Data for Green Valley, California

Average First Frost Date	Nov. 11 - Nov. 20
Average Last Frost Date	Mar. 21 - Mar. 31
Average Days With Frost	20-30 Days
Plant Hardiness Zone	Zone 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012	Zone 9a : -6.7°C to -3.9°C
Current Drought Conditions	Normal
Köppen Climate Classification	Csa - Hot-Summer Mediterranean Climate

Average First Frost Date	Jan. 1 - Jan. 10
Average Last Frost Date	Jan. 21 - Jan. 31
Average Days With Frost	Frost Rare
Plant Hardiness Zone	Zone 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012	Zone 9b : -3.9°C to -1.1°C
Current Drought Conditions	Normal
Köppen Climate Classification	Csb - Warm-Summer Mediterranean Climate