Frost Dates for Stillwater 5 Wnw, OK

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 12
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 19
First Fall Frost October 22

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 31
First Fall Hard Freeze November 4
36.13°N, -97.11°W © OpenStreetMap

Growing Season

198 Days April 12 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 7a

Learn more

Temperature

20° 40° 60° 80° 100°
36°
High: 49°
Avg: 36°
Low: 24°
Jan
41°
High: 54°
Avg: 41°
Low: 28°
Feb
50°
High: 63°
Avg: 50°
Low: 36°
Mar
59°
High: 71°
Avg: 59°
Low: 46°
Apr
68°
High: 79°
Avg: 68°
Low: 56°
May
77°
High: 88°
Avg: 77°
Low: 66°
Jun
82°
High: 93°
Avg: 82°
Low: 70°
Jul
80°
High: 92°
Avg: 80°
Low: 68°
Aug
72°
High: 84°
Avg: 72°
Low: 60°
Sep
60°
High: 73°
Avg: 60°
Low: 47°
Oct
48°
High: 61°
Avg: 48°
Low: 35°
Nov
39°
High: 51°
Avg: 39°
Low: 27°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 7.8"
2.9"
2.87"
Jan
2.5"
2.55"
Feb
4.9"
4.94"
Mar
6.1"
6.10"
Apr
6.0"
6.03"
May
6.7"
6.67"
Jun
7.2"
7.17"
Jul
7.8"
7.81"
Aug
6.5"
6.46"
Sep
5.9"
5.88"
Oct
4.4"
4.44"
Nov
2.9"
2.91"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h14h14h14h13h12h11h10h10h
Jan: 7:06 AM – 4:54 PM · 9h 48m
Feb: 6:40 AM – 5:20 PM · 10h 41m
Mar: 6:08 AM – 5:52 PM · 11h 44m
Apr: 5:32 AM – 6:28 PM · 12h 56m
May: 5:02 AM – 6:58 PM · 13h 55m
Jun: 4:47 AM – 7:13 PM · 14h 27m
Jul: 4:53 AM – 7:07 PM · 14h 14m
Aug: 5:19 AM – 6:41 PM · 13h 23m
Sep: 5:54 AM – 6:06 PM · 12h 13m
Oct: 6:28 AM – 5:32 PM · 11h 03m
Nov: 6:59 AM – 5:01 PM · 10h 03m
Dec: 7:13 AM – 4:47 PM · 9h 33m
Daylight Longest: 14h 28m · Shortest: 9h 32m

Nearby Stations

Stillwater Mesonet, OK April 6 - October 31 Stillwater 2 W, OK April 8 - October 27 Stillwater 2 W, OK April 5 - October 30 Stillwater Rgnl AP, OK April 3 - October 31 Coyle 7n Mesonet, OK April 3 - November 1 Orlando 5e Mesonet, OK April 10 - October 25

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