Frost Dates for Roseburg Rgnl AP, OR

Elevation: 160 m

Frost Dates

Last Spring Frost (50%) March 19

First Fall Frost (50%) November 20

30% Probability

Last Spring Frost March 30

First Fall Frost November 8

Hard Freeze (28°F)

Last Spring Hard Freeze February 13

First Fall Hard Freeze December 11

43.24°N, 123.35°W © OpenStreetMap

Growing Season

246 Days March 19 to November 20

USDA Hardiness Zone

Zone 9a

Avg. annual minimum: 20 to 25°F

Learn more

Köppen Climate

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° 50° 70° 90°

44°

Jan

46°

Feb

49°

Mar

53°

Apr

59°

May

65°

Jun

72°

Jul

72°

Aug

66°

Sep

56°

Oct

47°

Nov

43°

Dec

32°F

Avg High Avg Temp Avg Low Light Frost (32°F)

Temperature table

Average monthly temperatures (°F)
Month	Avg High	Avg Temp	Avg Low
January	50°	44°	37°
February	54°	46°	38°
March	59°	49°	40°
April	63°	53°	43°
May	71°	59°	48°
June	77°	65°	53°
July	86°	72°	57°
August	86°	72°	57°
September	80°	66°	52°
October	67°	56°	45°
November	54°	47°	41°
December	48°	43°	37°

Precipitation

0" 2" 4" 4.3"

4.0"

Jan

3.2"

Feb

3.5"

Mar

3.0"

Apr

2.9"

May

1.8"

Jun

0.0"

Jul

0.0"

Aug

2.5"

Sep

2.9"

Oct

3.5"

Nov

4.3"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	4.0
February	3.2
March	3.5
April	3.0
May	2.9
June	1.8
July	0.0
August	0.0
September	2.5
October	2.9
November	3.5
December	4.3

Sunrise / Sunset

Jan: 7:26 AM – 4:34 PM · 9h 08m

Feb: 6:51 AM – 5:09 PM · 10h 17m

Mar: 6:11 AM – 5:49 PM · 11h 39m

Apr: 5:24 AM – 6:36 PM · 13h 12m

May: 4:45 AM – 7:15 PM · 14h 29m

Jun: 4:24 AM – 7:36 PM · 15h 11m

Jul: 4:33 AM – 7:27 PM · 14h 54m

Aug: 5:07 AM – 6:53 PM · 13h 47m

Sep: 5:52 AM – 6:08 PM · 12h 17m

Oct: 6:37 AM – 5:23 PM · 10h 47m

Nov: 7:16 AM – 4:44 PM · 9h 28m

Dec: 7:36 AM – 4:24 PM · 8h 49m

Daylight Longest: 15h 13m · Shortest: 8h 47m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	7:26 AM	4:34 PM	9h 08m
February	6:51 AM	5:09 PM	10h 17m
March	6:11 AM	5:49 PM	11h 39m
April	5:24 AM	6:36 PM	13h 12m
May	4:45 AM	7:15 PM	14h 29m
June	4:24 AM	7:36 PM	15h 11m
July	4:33 AM	7:27 PM	14h 54m
August	5:07 AM	6:53 PM	13h 47m
September	5:52 AM	6:08 PM	12h 17m
October	6:37 AM	5:23 PM	10h 47m
November	7:16 AM	4:44 PM	9h 28m
December	7:36 AM	4:24 PM	8h 49m

Nearby Stations

Roseburg Kqen, OR March 23 - November 18 Winchester, OR March 31 - November 5 Riddle, ORMarch 31 - November 6 Idleyld Park 4 Ne, OR April 27 - October 19 Elkton 3 Sw, OR March 21 - November 12 Drain, ORApril 16 - October 25

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