Frost Dates for San Leandro, CA

Based on data from Oakland Metro Intl AP weather station, 4 miles away

Elevation: 49 ft

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 7
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 23
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 22
First Fall Frost December 10

Hard Freeze (28°F)

Last Spring Hard Freeze December 30
First Fall Hard Freeze December 28
37.72°N, -122.16°W © OpenStreetMap

Growing Season

351 Days January 7 to December 23

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

Avg. annual minimum: 25 to 30°F (−4 to −1°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Csb Warm-Summer Mediterranean

Warm, dry summers and mild, wet winters. Similar to hot-summer Mediterranean but cooler. Great for a wide range of vegetables and fruit trees with moderate water needs.

Köppen climate map

Temperature

40° 50° 60° 70° 80°
50°
High: 58°F
Avg: 50°F
Low: 42°F
Jan
53°
High: 60°F
Avg: 53°F
Low: 45°F
Feb
55°
High: 63°F
Avg: 55°F
Low: 47°F
Mar
57°
High: 66°F
Avg: 57°F
Low: 49°F
Apr
60°
High: 68°F
Avg: 60°F
Low: 52°F
May
63°
High: 71°F
Avg: 63°F
Low: 54°F
Jun
64°
High: 72°F
Avg: 64°F
Low: 56°F
Jul
65°
High: 72°F
Avg: 65°F
Low: 57°F
Aug
65°
High: 74°F
Avg: 65°F
Low: 56°F
Sep
61°
High: 72°F
Avg: 61°F
Low: 51°F
Oct
55°
High: 64°F
Avg: 55°F
Low: 46°F
Nov
50°
High: 58°F
Avg: 50°F
Low: 42°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 2" 4" 4.9"
3.8"
3.83"
Jan
4.4"
4.36"
Feb
4.6"
4.61"
Mar
3.7"
3.67"
Apr
1.2"
1.17"
May
0.0"
0.00"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
0.0"
0.00"
Sep
0.8"
0.79"
Oct
2.8"
2.75"
Nov
4.9"
4.90"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h14.5h14.5h13.5h12h11h10h9.5h
Jan: 7:28 AM – 5:08 PM · 9h 40m
Feb: 7:06 AM – 5:41 PM · 10h 36m
Mar: 7:27 AM – 7:10 PM · 11h 43m
Apr: 6:40 AM – 7:39 PM · 12h 59m
May: 6:04 AM – 8:06 PM · 14h 02m
Jun: 5:51 AM – 8:27 PM · 14h 36m
Jul: 6:03 AM – 8:25 PM · 14h 22m
Aug: 6:29 AM – 7:57 PM · 13h 28m
Sep: 6:57 AM – 7:10 PM · 12h 14m
Oct: 7:24 AM – 6:24 PM · 10h 60m
Nov: 6:56 AM – 4:52 PM · 9h 55m
Dec: 7:23 AM – 4:47 PM · 9h 24m
Daylight Pacific Time (PT) Longest: 14h 37m · Shortest: 9h 23m

Nearby Stations

Oakland Museum, CA Hayward Air Terminal, CA January 2 - December 25 San Francisco Intl AP, CA December 29 - December 26 Berkeley, CAJanuary 3 - January 1 San Francisco Dwtn, CA San Francisco Oceanside, CA December 30 - December 25

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