Annual mean 9°C · wettest around December · prevailing wind SW
Warmest
17.6 °C
Coldest
4.4 °C
Wettest
37%
Windiest
6.3 m/s
Prevailing
SW
5.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Dumfries over the whole year is 9°C. July is the hottest month, with highs of about 17°C; January is the coldest, with lows of about 3°C. Dumfries has no sharply defined rainy season: the chance of rain on a given day runs from 19% in April, the driest month, to 31% in December, the wettest. Winds in Dumfries are highest in February, averaging 5.4 m/s (19 km/h), and lightest in July, at 3.6 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Dumfries come in May, when the sky is typically 65% covered; December is the cloudiest month, at 75%.
Month by month Dumfries 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
5°C
3°C
-0°C
28%
72%
4.8 m/s
0
0
8
February
6°C
4°C
0°C
31%
73%
5.4 m/s
0
0
11
March
7°C
4°C
2°C
28%
71%
4.6 m/s
1
0
22
April
10°C
5°C
5°C
19%
65%
4.2 m/s
2
0
36
May
14°C
9°C
10°C
19%
65%
3.9 m/s
18
0
68
June
16°C
11°C
13°C
23%
69%
4.0 m/s
37
2
74
July
17°C
13°C
15°C
25%
73%
3.6 m/s
46
5
75
August
17°C
13°C
14°C
28%
70%
4.0 m/s
41
2
74
September
15°C
11°C
12°C
28%
68%
4.1 m/s
26
1
71
October
11°C
8°C
7°C
31%
72%
4.7 m/s
6
0
50
November
7°C
5°C
3°C
30%
70%
4.3 m/s
0
0
25
December
6°C
4°C
1°C
31%
75%
4.7 m/s
0
0
12
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 Dumfries weather by season
Year round, Dumfries has days of about 5°C at their warmest in January, its coolest month, and 17°C in July, its warmest; the coolest hours of the day run from 3°C to 13°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around December and least likely around April. 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.
Dumfries weather in winterDecember to February
High 5°CLow 4°CRain 30%
Winter in Dumfries has typical daily highs of about 5°C and lows of about 4°C, with a 30% chance of rain on a given day.
Dumfries weather in springMarch to May
High 10°CLow 6°CRain 22%
Spring in Dumfries has typical daily highs of about 10°C and lows of about 6°C, with a 22% chance of rain on a given day.
Dumfries weather in summerJune to August
High 16°CLow 12°CRain 26%
Summer in Dumfries has typical daily highs of about 16°C and lows of about 12°C, with a 26% chance of rain on a given day.
Dumfries weather in autumnSeptember to November
High 11°CLow 8°CRain 30%
Autumn in Dumfries has typical daily highs of about 11°C and lows of about 8°C, with a 30% chance of rain on a given day.
When is the rainy season in Dumfries?
Dumfries has no sharply defined rainy season: the chance of rain on a given day runs from 19% in April, the driest month, to 31% in December, the wettest.
What time of year is Dumfries windiest?
Winds in Dumfries are highest in February, averaging 5.4 m/s (19 km/h), and lightest in July, at 3.6 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Dumfries year round?
The average temperature in Dumfries over the whole year is 9°C. July is the hottest month, with highs of about 17°C; January is the coldest, with lows of about 3°C.