Ottawa, Canada - Detailed climate information and monthly weather forecast

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Long-term

Climate J F M A M J J A S O N D Year

Average temperature
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average UV index

A view of The Parliament Hill from the Ottawa River in Ottawa, Canada

The average high temperature in January:
-5.8°C
The average high temperature in February:
-3.4°C
The average high temperature in March:
2.5°C
The average high temperature in April:
11.6°C
The average high temperature in May:
19°C
The average high temperature in June:
24.1°C

The average high temperature in July:
26.5°C
The average high temperature in August:
25.3°C
The average high temperature in September:
20.4°C
The average high temperature in October:
12.7°C
The average high temperature in November:
5.4°C
The average high temperature in December:
-2.3°C

The warmest month (with the highest average high temperature) is July (26.5°C).
The month with the lowest average high temperature is January (-5.8°C).

The average low temperature in January:
-14.8°C
The average low temperature in February:
-12.7°C
The average low temperature in March:
-7°C
The average low temperature in April:
1°C
The average low temperature in May:
7.5°C
The average low temperature in June:
12.9°C

The average low temperature in July:
15.5°C
The average low temperature in August:
14.3°C
The average low temperature in September:
9.6°C
The average low temperature in October:
3.3°C
The average low temperature in November:
-2.4°C
The average low temperature in December:
-10.1°C

The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is January (-14.8°C).

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The average humidity in July:
53.7%
The average humidity in August:
55%
The average humidity in September:
59.1%
The average humidity in October:
61.6%
The average humidity in November:
68.1%
The average humidity in December:
72.2%

The month with the highest relative humidity is December (72.2%).
The month with the lowest relative humidity is May (49.9%).

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The average rainfall in January:
25mm
The average rainfall in February:
18.7mm
The average rainfall in March:
31.1mm
The average rainfall in April:
63mm
The average rainfall in May:
80.1mm
The average rainfall in June:
92.8mm

The average rainfall in July:
91.9mm
The average rainfall in August:
85.5mm
The average rainfall in September:
90.1mm
The average rainfall in October:
82.2mm
The average rainfall in November:
64.5mm
The average rainfall in December:
33.5mm

The wettest month (with the highest rainfall) is June (92.8mm).
The driest month (with the lowest rainfall) is February (18.7mm).

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The average rainfall days in January:
4.4 days
The average rainfall days in February:
3.9 days
The average rainfall days in March:
6.7 days
The average rainfall days in April:
10.9 days
The average rainfall days in May:
13.4 days
The average rainfall days in June:
13.2 days

The average rainfall days in July:
11.9 days
The average rainfall days in August:
11 days
The average rainfall days in September:
12.3 days
The average rainfall days in October:
13.7 days
The average rainfall days in November:
11 days
The average rainfall days in December:
6 days

The month with the highest number of rainy days is October (13.7 days).
The month with the lowest number of rainy days is February (3.9 days).

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The month with the highest snowfall is January (539mm).
Months with the lowest snowfall are June, July, August and September (0mm).

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The average snowfall days in January:
16.1 days
The average snowfall days in February:
12.1 days
The average snowfall days in March:
8.8 days
The average snowfall days in April:
3.5 days
The average snowfall days in May:
0.2 days
The average snowfall days in June:
0 days

The average snowfall days in July:
0 days
The average snowfall days in August:
0 days
The average snowfall days in September:
0 days
The average snowfall days in October:
1.1 days
The average snowfall days in November:
6.8 days
The average snowfall days in December:
14.7 days

The month with the highest number of snowfall days is January (16.1 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

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