Frost Dates for Mammoth Lakes, CA

Based on data from Mammoth Lakes Rs 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. June 10
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. September 17
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 June 17
First Fall Frost September 10

Hard Freeze (28°F)

Last Spring Hard Freeze May 31
First Fall Hard Freeze October 1
37.65°N, -118.97°W © OpenStreetMap

Growing Season

99 Days June 10 to September 17

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 6a

Avg. annual minimum: −10 to −5°F (−23 to −21°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

10° 30° 50° 70°
29°
High: 41°F
Avg: 29°F
Low: 17°F
Jan
29°
High: 41°F
Avg: 29°F
Low: 18°F
Feb
34°
High: 46°F
Avg: 34°F
Low: 22°F
Mar
39°
High: 51°F
Avg: 39°F
Low: 27°F
Apr
48°
High: 60°F
Avg: 48°F
Low: 35°F
May
56°
High: 70°F
Avg: 56°F
Low: 42°F
Jun
63°
High: 78°F
Avg: 63°F
Low: 49°F
Jul
62°
High: 77°F
Avg: 62°F
Low: 47°F
Aug
56°
High: 71°F
Avg: 56°F
Low: 40°F
Sep
46°
High: 61°F
Avg: 46°F
Low: 30°F
Oct
36°
High: 49°F
Avg: 36°F
Low: 23°F
Nov
29°
High: 41°F
Avg: 29°F
Low: 17°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 7.3"
7.3"
7.32"
Jan
5.5"
5.47"
Feb
4.6"
4.58"
Mar
3.1"
3.13"
Apr
3.0"
3.00"
May
0.6"
0.55"
Jun
1.4"
1.37"
Jul
0.6"
0.56"
Aug
0.0"
0.00"
Sep
1.0"
0.96"
Oct
5.6"
5.59"
Nov
7.0"
7.03"
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: 5:31 AM – 6:29 PM · 12h 59m
May: 4:59 AM – 7:01 PM · 14h 02m
Jun: 4:42 AM – 7:18 PM · 14h 35m
Jul: 4:49 AM – 7:11 PM · 14h 22m
Aug: 5:16 AM – 6:44 PM · 13h 27m
Sep: 5:53 AM – 6:07 PM · 12h 14m
Oct: 6:30 AM – 5:30 PM · 11h 00m
Nov: 7:02 AM – 4:58 PM · 9h 56m
Dec: 7:18 AM – 4:42 PM · 9h 24m
Daylight Longest: 14h 36m · Shortest: 9h 24m

Nearby Stations

Lee Vining, CAMay 23 - October 9 Tuolumne Meadows Rs, CA Huntington Lake, CA June 1 - October 6 Yosemite Park Hq, CA April 21 - October 27 So Entrance Yosemite Np, CA May 24 - October 10 Bishop AP, CA April 29 - October 15

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