Annual mean 10°C · wettest around February · prevailing wind SW
Warmest
17.8 °C
Coldest
5.1 °C
Wettest
31%
Windiest
7.0 m/s
Prevailing
SW
5.5 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 Cumnock over the whole year is 10°C. July is the hottest month, with highs of about 17°C; January is the coldest, with lows of about 4°C. Cumnock has no sharply defined rainy season: the chance of rain on a given day runs from 15% in April, the driest month, to 28% in February, the wettest. Winds in Cumnock are highest in February, averaging 5.9 m/s (21 km/h), and lightest in July, at 4.0 m/s (14 km/h). The prevailing wind is from the SW. The clearest skies in Cumnock come in April, when the sky is typically 60% covered; December is the cloudiest month, at 70%.
Month by month Cumnock 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
6°C
4°C
0°C
25%
69%
5.1 m/s
0
0
7
February
7°C
4°C
0°C
28%
69%
5.9 m/s
0
0
9
March
8°C
4°C
3°C
21%
67%
4.8 m/s
0
0
21
April
11°C
5°C
6°C
15%
60%
4.3 m/s
2
0
41
May
14°C
9°C
10°C
16%
60%
4.1 m/s
16
0
70
June
16°C
12°C
13°C
18%
66%
4.4 m/s
32
2
77
July
17°C
13°C
14°C
21%
69%
4.0 m/s
45
2
82
August
17°C
13°C
14°C
23%
67%
4.3 m/s
41
1
80
September
15°C
11°C
12°C
22%
65%
4.4 m/s
24
1
75
October
12°C
9°C
8°C
25%
68%
4.9 m/s
3
0
56
November
8°C
6°C
4°C
24%
66%
4.5 m/s
0
0
27
December
6°C
5°C
1°C
26%
70%
5.0 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 Cumnock weather by season
Year round, Cumnock has days of about 6°C at their warmest in January, its coolest month, and 17°C in July, its warmest; the coolest hours of the day run from 4°C to 13°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around February 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.
Cumnock weather in winterDecember to February
High 6°CLow 4°CRain 27%
Winter in Cumnock has typical daily highs of about 6°C and lows of about 4°C, with a 27% chance of rain on a given day.
Cumnock weather in springMarch to May
High 11°CLow 6°CRain 17%
Spring in Cumnock has typical daily highs of about 11°C and lows of about 6°C, with a 17% chance of rain on a given day.
Cumnock weather in summerJune to August
High 17°CLow 13°CRain 20%
Summer in Cumnock has typical daily highs of about 17°C and lows of about 13°C, with a 20% chance of rain on a given day.
Cumnock weather in autumnSeptember to November
High 12°CLow 9°CRain 24%
Autumn in Cumnock has typical daily highs of about 12°C and lows of about 9°C, with a 24% chance of rain on a given day.
When is the rainy season in Cumnock?
Cumnock has no sharply defined rainy season: the chance of rain on a given day runs from 15% in April, the driest month, to 28% in February, the wettest.
What time of year is Cumnock windiest?
Winds in Cumnock are highest in February, averaging 5.9 m/s (21 km/h), and lightest in July, at 4.0 m/s (14 km/h). The prevailing wind is from the SW.
What is the average temperature in Cumnock year round?
The average temperature in Cumnock over the whole year is 10°C. July is the hottest month, with highs of about 17°C; January is the coldest, with lows of about 4°C.