Frost Dates for Dunes City, OR

Based on data from Honeyman Sp weather station, 3 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. March 28
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. November 22
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 5
First Fall Frost November 11

Hard Freeze (28°F)

Last Spring Hard Freeze February 18
First Fall Hard Freeze December 15
43.88°N, -124.12°W © OpenStreetMap

Growing Season

239 Days March 28 to November 22

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 9a

Avg. annual minimum: 20 to 25°F (−7 to −4°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

30° 40° 50° 60° 70°
44°
High: 49°F
Avg: 44°F
Low: 39°F
Jan
45°
High: 51°F
Avg: 45°F
Low: 38°F
Feb
46°
High: 53°F
Avg: 46°F
Low: 39°F
Mar
49°
High: 57°F
Avg: 49°F
Low: 42°F
Apr
53°
High: 60°F
Avg: 53°F
Low: 45°F
May
56°
High: 64°F
Avg: 56°F
Low: 49°F
Jun
59°
High: 67°F
Avg: 59°F
Low: 51°F
Jul
59°
High: 67°F
Avg: 59°F
Low: 51°F
Aug
58°
High: 66°F
Avg: 58°F
Low: 50°F
Sep
53°
High: 60°F
Avg: 53°F
Low: 46°F
Oct
47°
High: 52°F
Avg: 47°F
Low: 42°F
Nov
43°
High: 48°F
Avg: 43°F
Low: 38°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 4" 8" 12" 12.3"
10.9"
10.91"
Jan
8.9"
8.89"
Feb
10.2"
10.19"
Mar
7.7"
7.69"
Apr
5.4"
5.44"
May
3.9"
3.85"
Jun
2.6"
2.56"
Jul
1.4"
1.41"
Aug
3.8"
3.82"
Sep
7.9"
7.91"
Oct
10.8"
10.79"
Nov
12.3"
12.29"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:28 AM – 4:32 PM · 9h 04m
Feb: 6:53 AM – 5:07 PM · 10h 15m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:23 AM – 6:37 PM · 13h 14m
May: 4:43 AM – 7:17 PM · 14h 33m
Jun: 4:22 AM – 7:38 PM · 15h 16m
Jul: 4:31 AM – 7:29 PM · 14h 59m
Aug: 5:05 AM – 6:55 PM · 13h 49m
Sep: 5:51 AM – 6:09 PM · 12h 17m
Oct: 6:38 AM – 5:22 PM · 10h 45m
Nov: 7:18 AM – 4:42 PM · 9h 24m
Dec: 7:38 AM – 4:22 PM · 8h 44m
Daylight Longest: 15h 18m · Shortest: 8h 42m

Nearby Stations

Florence #2, OR April 10 - November 15 Mapleton, OR February 15 - December 9 Winchester Bay Coast Grd, OR March 25 - November 24 Yachats, OR February 19 - December 11 Elkton 1sw, OR April 11 - November 6 Elkton 3 Sw, OR March 21 - November 12

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