Annual mean 8°C · wettest around January · prevailing wind SW
Warmest
25.3 °C
Coldest
-5.3 °C
Wettest
48%
Windiest
3.5 m/s
Prevailing
SW
2.9 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 Rideau Lakes over the whole year is 8°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -7°C. Rideau Lakes has no sharply defined rainy season: the chance of rain on a given day runs from 20% in September, the driest month, to 37% in January, the wettest. Winds in Rideau Lakes are highest in February, averaging 2.7 m/s (10 km/h), and lightest in July, at 1.9 m/s (7 km/h). The prevailing wind is from the SW. The clearest skies in Rideau Lakes come in September, when the sky is typically 33% covered; December is the cloudiest month, at 50%.
Month by month Rideau Lakes 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
-7°C
-10°C
37%
50%
2.6 m/s
0
0
0
February
-3°C
-7°C
-9°C
25%
46%
2.7 m/s
0
0
1
March
2°C
-2°C
-3°C
30%
41%
2.7 m/s
1
0
10
April
9°C
3°C
4°C
29%
40%
2.7 m/s
7
0
34
May
16°C
10°C
13°C
23%
38%
2.2 m/s
39
7
67
June
22°C
16°C
21°C
24%
37%
2.1 m/s
69
24
60
July
25°C
19°C
25°C
22%
34%
1.9 m/s
64
54
31
August
24°C
17°C
24°C
25%
35%
1.9 m/s
70
46
38
September
20°C
13°C
19°C
20%
33%
1.9 m/s
68
17
68
October
14°C
8°C
11°C
24%
40%
2.3 m/s
27
2
61
November
5°C
2°C
1°C
27%
43%
2.6 m/s
4
0
17
December
-1°C
-3°C
-6°C
37%
50%
2.7 m/s
0
0
2
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 Rideau Lakes weather by season
Year round, Rideau Lakes has days of about -5°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -7°C to 19°C through the year, and the average temperature over the year is 8°C around the clock. Rain is most likely around January and least likely around September. 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.
Rideau Lakes weather in winterDecember to February
High -3°CLow -6°CRain 33%
Winter in Rideau Lakes has typical daily highs of about -3°C and lows of about -6°C, with a 33% chance of rain on a given day.
Rideau Lakes weather in springMarch to May
High 9°CLow 4°CRain 27%
Spring in Rideau Lakes has typical daily highs of about 9°C and lows of about 4°C, with a 27% chance of rain on a given day.
Rideau Lakes weather in summerJune to August
High 24°CLow 17°CRain 24%
Summer in Rideau Lakes has typical daily highs of about 24°C and lows of about 17°C, with a 24% chance of rain on a given day.
Rideau Lakes weather in autumnSeptember to November
High 13°CLow 7°CRain 24%
Autumn in Rideau Lakes has typical daily highs of about 13°C and lows of about 7°C, with a 24% chance of rain on a given day.
When is the rainy season in Rideau Lakes?
Rideau Lakes has no sharply defined rainy season: the chance of rain on a given day runs from 20% in September, the driest month, to 37% in January, the wettest.
What time of year is Rideau Lakes windiest?
Winds in Rideau Lakes are highest in February, averaging 2.7 m/s (10 km/h), and lightest in July, at 1.9 m/s (7 km/h). The prevailing wind is from the SW.
What is the average temperature in Rideau Lakes year round?
The average temperature in Rideau Lakes over the whole year is 8°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -7°C.