Annual mean 9°C · wettest around December · prevailing wind SW
Warmest
18.0 °C
Coldest
4.5 °C
Wettest
36%
Windiest
4.5 m/s
Prevailing
SW
3.6 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 Annan 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 4°C. Annan has no sharply defined rainy season: the chance of rain on a given day runs from 19% in May, the driest month, to 31% in December, the wettest. Winds in Annan are highest in February, averaging 3.7 m/s (13 km/h), and lightest in July, at 2.6 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Annan come in May, when the sky is typically 63% covered; December is the cloudiest month, at 74%.
Month by month Annan 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
4°C
1°C
27%
71%
3.3 m/s
0
0
15
February
6°C
4°C
2°C
29%
71%
3.7 m/s
0
0
21
March
8°C
4°C
4°C
29%
70%
3.2 m/s
1
0
33
April
10°C
5°C
6°C
19%
65%
3.0 m/s
3
0
42
May
14°C
9°C
11°C
19%
63%
2.8 m/s
25
0
75
June
16°C
12°C
15°C
24%
68%
2.8 m/s
50
4
77
July
17°C
13°C
17°C
27%
72%
2.6 m/s
54
12
69
August
17°C
13°C
15°C
29%
69%
2.8 m/s
52
3
71
September
15°C
11°C
13°C
29%
67%
2.8 m/s
37
1
74
October
12°C
9°C
9°C
30%
71%
3.3 m/s
12
0
59
November
8°C
5°C
4°C
30%
69%
3.0 m/s
1
0
35
December
6°C
4°C
2°C
31%
74%
3.3 m/s
0
0
19
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 Annan weather by season
Year round, Annan 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 4°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 May. 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.
Annan weather in winterDecember to February
High 6°CLow 4°CRain 29%
Winter in Annan has typical daily highs of about 6°C and lows of about 4°C, with a 29% chance of rain on a given day.
Annan weather in springMarch to May
High 11°CLow 6°CRain 22%
Spring in Annan has typical daily highs of about 11°C and lows of about 6°C, with a 22% chance of rain on a given day.
Annan weather in summerJune to August
High 17°CLow 13°CRain 27%
Summer in Annan has typical daily highs of about 17°C and lows of about 13°C, with a 27% chance of rain on a given day.
Annan weather in autumnSeptember to November
High 11°CLow 8°CRain 30%
Autumn in Annan 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 Annan?
Annan has no sharply defined rainy season: the chance of rain on a given day runs from 19% in May, the driest month, to 31% in December, the wettest.
What time of year is Annan windiest?
Winds in Annan are highest in February, averaging 3.7 m/s (13 km/h), and lightest in July, at 2.6 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Annan year round?
The average temperature in Annan 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 4°C.