Annual mean 12°C · wettest around December · prevailing wind W
Warmest
24.3 °C
Coldest
7.2 °C
Wettest
25%
Windiest
3.6 m/s
Prevailing
W
2.7 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Roseburg over the whole year is 12°C. August is the hottest month, with highs of about 25°C; February is the coldest, with lows of about 4°C. The rainy (wet) season in Roseburg runs from October to April, peaking in December with a 25% chance of rain on a given day. The dry season is May to September; July is the driest month, at 2%. Winds in Roseburg are highest in July, averaging 2.8 m/s (10 km/h), and lightest in October, at 1.8 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Roseburg come in July, when the sky is typically 20% covered; December is the cloudiest month, at 71%.
Month by month Roseburg climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
8°C
5°C
4°C
24%
68%
2.2 m/s
2
0
35
February
8°C
4°C
5°C
23%
66%
2.1 m/s
2
0
38
March
10°C
5°C
7°C
22%
61%
2.3 m/s
7
0
53
April
14°C
6°C
11°C
17%
53%
2.4 m/s
26
2
72
May
17°C
9°C
15°C
11%
46%
2.5 m/s
51
7
81
June
21°C
12°C
19°C
8%
33%
2.7 m/s
68
18
71
July
25°C
15°C
22°C
2%
20%
2.8 m/s
74
40
52
August
25°C
15°C
23°C
3%
23%
2.4 m/s
74
43
48
September
21°C
12°C
19°C
8%
37%
2.0 m/s
79
18
73
October
16°C
9°C
14°C
14%
47%
1.8 m/s
46
3
82
November
10°C
6°C
7°C
21%
66%
1.9 m/s
11
0
57
December
8°C
5°C
4°C
25%
71%
2.0 m/s
1
0
33
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Roseburg weather by season
Year round, Roseburg has days of about 8°C at their warmest in December, its coolest month, and 25°C in August, its warmest; the coolest hours of the day run from 4°C to 15°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around December and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Roseburg weather in winterDecember to February
High 8°CLow 4°CRain 24%
Winter in Roseburg has typical daily highs of about 8°C and lows of about 4°C, with a 24% chance of rain on a given day.
Roseburg weather in springMarch to May
High 14°CLow 7°CRain 17%
Spring in Roseburg has typical daily highs of about 14°C and lows of about 7°C, with a 17% chance of rain on a given day.
Roseburg weather in summerJune to August
High 23°CLow 14°CRain 4%
Summer in Roseburg has typical daily highs of about 23°C and lows of about 14°C, with a 4% chance of rain on a given day.
Roseburg weather in autumnSeptember to November
High 15°CLow 9°CRain 14%
Autumn in Roseburg has typical daily highs of about 15°C and lows of about 9°C, with a 14% chance of rain on a given day.
When is the rainy season in Roseburg?
The rainy (wet) season in Roseburg runs from October to April, peaking in December with a 25% chance of rain on a given day. The dry season is May to September; July is the driest month, at 2%.
What time of year is Roseburg windiest?
Winds in Roseburg are highest in July, averaging 2.8 m/s (10 km/h), and lightest in October, at 1.8 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Roseburg year round?
The average temperature in Roseburg over the whole year is 12°C. August is the hottest month, with highs of about 25°C; February is the coldest, with lows of about 4°C.