Annual mean 14°C · wettest around February · prevailing wind W
Warmest
30.5 °C
Coldest
3.9 °C
Wettest
72%
Windiest
4.4 m/s
Prevailing
W
3.3 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Olney over the whole year is 14°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about -0°C. Olney has no sharply defined rainy season: the chance of rain on a given day runs from 59% in October, the driest month, to 67% in February, the wettest. Winds in Olney are highest in March, averaging 3.1 m/s (11 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Olney come in July, when the sky is typically 36% covered; May is the cloudiest month, at 52%.
Month by month Olney 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
4°C
-0°C
-1°C
62%
49%
2.7 m/s
3
0
13
February
7°C
2°C
2°C
67%
46%
2.6 m/s
5
0
25
March
11°C
4°C
6°C
65%
44%
3.1 m/s
15
0
43
April
17°C
9°C
13°C
63%
45%
2.9 m/s
38
7
61
May
21°C
14°C
20°C
67%
52%
2.2 m/s
57
22
57
June
27°C
20°C
27°C
61%
39%
2.2 m/s
49
49
25
July
30°C
22°C
32°C
62%
36%
1.8 m/s
16
53
4
August
28°C
21°C
29°C
66%
40%
1.7 m/s
33
57
10
September
25°C
17°C
25°C
65%
43%
1.7 m/s
62
41
37
October
19°C
12°C
17°C
59%
43%
2.0 m/s
55
13
66
November
12°C
5°C
8°C
64%
37%
2.3 m/s
17
1
49
December
7°C
2°C
2°C
67%
48%
2.3 m/s
2
0
24
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 Olney weather by season
Year round, Olney has days of about 4°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 14°C around the clock. Rain is most likely around February and least likely around October. 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.
Olney weather in winterDecember to February
High 6°CLow 1°CRain 65%
Winter in Olney has typical daily highs of about 6°C and lows of about 1°C, with a 65% chance of rain on a given day.
Olney weather in springMarch to May
High 16°CLow 9°CRain 65%
Spring in Olney has typical daily highs of about 16°C and lows of about 9°C, with a 65% chance of rain on a given day.
Olney weather in summerJune to August
High 28°CLow 21°CRain 63%
Summer in Olney has typical daily highs of about 28°C and lows of about 21°C, with a 63% chance of rain on a given day.
Olney weather in autumnSeptember to November
High 18°CLow 11°CRain 63%
Autumn in Olney has typical daily highs of about 18°C and lows of about 11°C, with a 63% chance of rain on a given day.
When is the rainy season in Olney?
Olney has no sharply defined rainy season: the chance of rain on a given day runs from 59% in October, the driest month, to 67% in February, the wettest.
What time of year is Olney windiest?
Winds in Olney are highest in March, averaging 3.1 m/s (11 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Olney year round?
The average temperature in Olney over the whole year is 14°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about -0°C.