Frost Dates for Yosemite Valley, CA

Based on data from Yosemite Park Hq weather station, 1 miles away

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. April 21
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. October 27
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 April 30
First Fall Frost October 20

Hard Freeze (28°F)

Last Spring Hard Freeze April 2
First Fall Hard Freeze November 9
37.74°N, -119.58°W © OpenStreetMap

Growing Season

189 Days April 21 to October 27

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 8b

Avg. annual minimum: 15 to 20°F (−9 to −7°C)

Learn more

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

Dsb Warm-Summer Continental (Dry Summer)

Warm, dry summers and cold, snowy winters. Common in mountain regions. Moderate growing season with irrigation needs in summer.

Köppen climate map

Temperature

20° 40° 60° 80°
38°
High: 48°F
Avg: 38°F
Low: 29°F
Jan
41°
High: 51°F
Avg: 41°F
Low: 30°F
Feb
45°
High: 57°F
Avg: 45°F
Low: 34°F
Mar
50°
High: 63°F
Avg: 50°F
Low: 38°F
Apr
58°
High: 71°F
Avg: 58°F
Low: 45°F
May
66°
High: 81°F
Avg: 66°F
Low: 51°F
Jun
73°
High: 89°F
Avg: 73°F
Low: 57°F
Jul
73°
High: 89°F
Avg: 73°F
Low: 57°F
Aug
67°
High: 83°F
Avg: 67°F
Low: 51°F
Sep
56°
High: 71°F
Avg: 56°F
Low: 41°F
Oct
44°
High: 56°F
Avg: 44°F
Low: 33°F
Nov
37°
High: 46°F
Avg: 37°F
Low: 28°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 4" 8" 12" 14.5"
14.5"
14.48"
Jan
11.1"
11.09"
Feb
9.3"
9.34"
Mar
7.5"
7.49"
Apr
5.4"
5.37"
May
1.2"
1.20"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
0.0"
0.00"
Sep
4.9"
4.90"
Oct
8.6"
8.55"
Nov
13.2"
13.18"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h14.5h14.5h13.5h12h11h10h9.5h
Jan: 7:10 AM – 4:50 PM · 9h 40m
Feb: 6:42 AM – 5:18 PM · 10h 36m
Mar: 6:09 AM – 5:51 PM · 11h 43m
Apr: 5:30 AM – 6:30 PM · 12h 59m
May: 4:59 AM – 7:01 PM · 14h 02m
Jun: 4:42 AM – 7:18 PM · 14h 36m
Jul: 4:49 AM – 7:11 PM · 14h 22m
Aug: 5:16 AM – 6:44 PM · 13h 28m
Sep: 5:53 AM – 6:07 PM · 12h 14m
Oct: 6:30 AM – 5:30 PM · 10h 60m
Nov: 7:02 AM – 4:58 PM · 9h 55m
Dec: 7:18 AM – 4:42 PM · 9h 24m
Daylight Longest: 14h 37m · Shortest: 9h 23m

Nearby Stations

Yosemite Village 12 W, CA May 12 - November 1 Tuolumne Meadows Rs, CA So Entrance Yosemite Np, CA May 24 - October 10 Hetch Hetchy, CA April 16 - November 12 Cherry Valley Dam, CA May 2 - November 4 Lee Vining, CAMay 23 - October 9

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