Frost Dates for RUIAN, China

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. January 24
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. December 24
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost January 29
First Fall Frost December 21
27.78°N, 120.65°W © OpenStreetMap

Growing Season

335 Days January 24 to December 24

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 9b

Learn more

Temperature

40° 60° 80°
47°
High: 53°
Avg: 47°
Low: 42°
Jan
49°
High: 55°
Avg: 49°
Low: 44°
Feb
54°
High: 59°
Avg: 54°
Low: 49°
Mar
62°
High: 67°
Avg: 62°
Low: 57°
Apr
70°
High: 75°
Avg: 70°
Low: 66°
May
77°
High: 81°
Avg: 77°
Low: 73°
Jun
82°
High: 86°
Avg: 82°
Low: 78°
Jul
82°
High: 86°
Avg: 82°
Low: 78°
Aug
77°
High: 82°
Avg: 77°
Low: 73°
Sep
69°
High: 75°
Avg: 69°
Low: 64°
Oct
61°
High: 66°
Avg: 61°
Low: 56°
Nov
51°
High: 57°
Avg: 51°
Low: 45°
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 3" 6" 9" 11.4"
2.5"
2.50"
Jan
2.7"
2.70"
Feb
4.3"
4.30"
Mar
5.0"
5.00"
Apr
7.0"
7.00"
May
11.4"
11.40"
Jun
7.9"
7.90"
Jul
10.3"
10.30"
Aug
7.0"
7.00"
Sep
3.0"
3.00"
Oct
2.7"
2.70"
Nov
1.9"
1.90"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h13h14h14h13h12h11h11h10h
Jan: 6:47 AM – 5:13 PM · 10h 25m
Feb: 6:29 AM – 5:31 PM · 11h 03m
Mar: 6:06 AM – 5:54 PM · 11h 48m
Apr: 5:40 AM – 6:20 PM · 12h 40m
May: 5:19 AM – 6:41 PM · 13h 23m
Jun: 5:08 AM – 6:52 PM · 13h 45m
Jul: 5:12 AM – 6:48 PM · 13h 36m
Aug: 5:30 AM – 6:30 PM · 12h 59m
Sep: 5:55 AM – 6:05 PM · 12h 09m
Oct: 6:20 AM – 5:40 PM · 11h 19m
Nov: 6:42 AM – 5:18 PM · 10h 36m
Dec: 6:53 AM – 5:07 PM · 10h 15m
Daylight Longest: 13h 46m · Shortest: 10h 14m

Nearby Stations

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