Annual mean 15°C · wettest around February · prevailing wind W
Warmest
30.8 °C
Coldest
6.3 °C
Wettest
38%
Windiest
4.6 m/s
Prevailing
W
3.4 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 Glen Allen over the whole year is 15°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 0°C. Glen Allen has no sharply defined rainy season: the chance of rain on a given day runs from 31% in November, the driest month, to 35% in February, the wettest. Winds in Glen Allen are highest in March, averaging 3.0 m/s (11 km/h), and lightest in August, at 1.8 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Glen Allen come in November, when the sky is typically 34% covered; May is the cloudiest month, at 51%.
Month by month Glen Allen 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
7°C
0°C
2°C
34%
44%
2.6 m/s
4
0
24
February
10°C
3°C
5°C
35%
45%
2.6 m/s
13
0
38
March
13°C
5°C
9°C
32%
42%
3.0 m/s
23
1
54
April
19°C
10°C
15°C
34%
42%
3.0 m/s
49
11
66
May
23°C
15°C
22°C
35%
51%
2.4 m/s
61
32
50
June
28°C
20°C
28°C
33%
40%
2.2 m/s
42
57
17
July
30°C
22°C
32°C
35%
37%
2.0 m/s
11
49
3
August
29°C
21°C
31°C
33%
40%
1.8 m/s
24
56
6
September
26°C
18°C
26°C
33%
46%
2.0 m/s
53
48
28
October
21°C
12°C
19°C
31%
40%
2.0 m/s
65
18
66
November
14°C
5°C
10°C
31%
34%
2.1 m/s
24
3
60
December
9°C
2°C
5°C
32%
42%
2.2 m/s
7
0
36
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 Glen Allen weather by season
Year round, Glen Allen has days of about 7°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 0°C to 22°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around February and least likely around November. 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.
Glen Allen weather in winterDecember to February
High 8°CLow 2°CRain 34%
Winter in Glen Allen has typical daily highs of about 8°C and lows of about 2°C, with a 34% chance of rain on a given day.
Glen Allen weather in springMarch to May
High 18°CLow 10°CRain 34%
Spring in Glen Allen has typical daily highs of about 18°C and lows of about 10°C, with a 34% chance of rain on a given day.
Glen Allen weather in summerJune to August
High 29°CLow 21°CRain 33%
Summer in Glen Allen has typical daily highs of about 29°C and lows of about 21°C, with a 33% chance of rain on a given day.
Glen Allen weather in autumnSeptember to November
High 20°CLow 11°CRain 32%
Autumn in Glen Allen has typical daily highs of about 20°C and lows of about 11°C, with a 32% chance of rain on a given day.
When is the rainy season in Glen Allen?
Glen Allen has no sharply defined rainy season: the chance of rain on a given day runs from 31% in November, the driest month, to 35% in February, the wettest.
What time of year is Glen Allen windiest?
Winds in Glen Allen are highest in March, averaging 3.0 m/s (11 km/h), and lightest in August, at 1.8 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Glen Allen year round?
The average temperature in Glen Allen over the whole year is 15°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 0°C.