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    Ontario

    Ottawa weather and climate

    Ontario

    Ottawa weather and climate

     

    Day

    -3 °C

     

    Night

    -13 °C

     

    Precipitation

    55 mm

    in month

     

    Rainy days

    11 days

    in month

     

    Daylight

    10 hours

    average

     

    Sunshine

    4 hours

    average

     

    Humidity

    70 %

     

    Day

    -3 °C

     

    Night

    -13 °C

     

    Precipitation

    55 mm

    in month

     

    Rainy days

    11 days

    in month

     

    Daylight

    10 hours

    average

     

    Sunshine

    4 hours

    average

     

    Humidity

    70 %

    Overview: Ottawa
    Ottawa (Canada) in general has a cold continental climate. The day temperatures range from -6 °C (22 °F) in January to 27 °C (80 °F) in July. The highest night temperatures could be experienced in July with 16 °C (60 °F), the lowest in January with -15 °C (6 °F). The driest month is August with just 10 days of rain, on the contrary, the month when it rains the most is December with 13 days of rain.

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    Weather overview for Ottawa

    Weather overview

    Ottawa (Canada) in general has a cold continental climate. The day temperatures range from -6 °C (22 °F) in January to 27 °C (80 °F) in July. The highest night temperatures could be experienced in July with 16 °C (60 °F), the lowest in January with -15 °C (6 °F). The driest month is August with just 10 days of rain, on the contrary, the month when it rains the most is December with 13 days of rain.

    January weather

    The day temperature reaches its minimum, with its value of -6 °C (22 °F) in Ottawa, and the night temperature reaches its minimum as well in January. The beginning of the descent of the number of rainy days could be noticed, with its value being 13 days, while the descent of the rainfall amount can be observed, with its value being 60 mm (2.35 in). The number of sun hours (without clouds) starts to rise, its value is 3 hours.

    February weather

    The beginning of the rise of the day temperature could be noticed, the value of this measure is -3 °C (26 °F) in Ottawa, and the beginning of the rise of the night temperature could be noticed as well in February. The rainfall amount reaches its minimum, its value is 55 mm (2.15 in), while the number of rainy days descents similarly to the previous month, with its value being 11 days. The rise of the number of sun hours (without clouds) can be observed, with its value being 4 hours.

    March weather

    The rise of the day temperature can be observed, the value of this measure is 2 °C (36 °F) in Ottawa, and the night temperature rises similarly to the previous month too, the value of this measure is -7 °C (19 °F). The number of rainy days continues to descent, with its value being 10 days. The number of sun hours (without clouds) continues to rise, the value of this measure is 5 hours.

    April weather

    The rise of the day temperature can be observed, the value of this measure is 12 °C (53 °F) in Ottawa, and the night temperature continues to rise as well, its value is 1 °C (34 °F). The rainfall amount starts to rise, its value is 71 mm (2.78 in). The number of sun hours (without clouds) continues to rise, its value is 6 hours. The minimum of the humidity is observable, with its value being 63 %. The wind speed is on its maximum in April.

    May weather

    The day temperature continues to rise, with its value being 19 °C (66 °F) in Ottawa, and the rise of the night temperature can be observed too, with its value of 8 °C (46 °F). The tourist season is about to start. The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 7 hours. The rise of the rainfall amount can be observed, with its value of 83 mm (3.26 in).

    June weather

    The day temperature rises similarly to the previous month in Ottawa, and the rise of the night temperature can be observed too, with its value of 13 °C (56 °F). The tourist season is close to its peak this month. The number of rainy days rise's start could be observed, its value is 12 days, while the rainfall amount is on its maximum in June. The rise of the number of sun hours (without clouds) can be observed, with its value of 8 hours.

    July weather

    The maximum of the day temperature can be noticed, the value of this measure is 27 °C (80 °F) in Ottawa, and the night temperature reaches its maximum as well in this month. The number of rainy days starts to descent in this month. The tourist season is taking place. The maximum of the number of sun hours (without clouds) is observable, the value of this measure is 9 hours. The minimum of the wind speed can be noticed in this month.

    August weather

    The ongoing tourist season is noticeable in Ottawa. The minimum of the number of rainy days can be noticed, with its value being 10 days, while the rainfall amount starts to descent, the value of this measure is 86 mm (3.37 in). The beginning of the descent of the day temperature could be noticed, with its value being 26 °C (78 °F), and the night temperature starts to descent as well. The beginning of the descent of the number of sun hours (without clouds) could be noticed, the value of this measure is 8 hours.

    September weather

    The day temperature descents similarly to the previous month in Ottawa, and the night temperature continues to descent too, with its value being 11 °C (51 °F). The number of rainy days rise's start could be observed in September. The tourist season is taking place. The number of sun hours (without clouds) descents similarly to the previous month, the value of this measure is 6 hours.

    October weather

    The day temperature continues to descent, the value of this measure is 13 °C (56 °F) in Ottawa, and the night temperature continues to descent too, with its value of 4 °C (40 °F). The rainfall amount starts to rise, the value of this measure is 90 mm (3.53 in). The number of sun hours (without clouds) descents similarly to the previous month, with its value being 4 hours.

    November weather

    The descent of the day temperature can be observed in Ottawa, and the descent of the night temperature can be observed too. The beginning of the descent of the rainfall amount could be noticed, the value of this measure is 83 mm (3.26 in), on the contrary the number of rainy days starts to rise in November. The humidity reaches its maximum, the value of this measure is 78 %. The descent of the number of sun hours (without clouds) can be observed, the value of this measure is 3 hours.

    December weather

    The maximum of the number of rainy days is observable in Ottawa, while the rainfall amount continues to descent, with its value of 77 mm (3.02 in). The day temperature continues to descent, the value of this measure is -2 °C (28 °F), and the descent of the night temperature can be observed too, with its value being -9 °C (15 °F). The number of sun hours (without clouds) reaches its minimum, with its value being 2 hours. The day length is on its minimum, with its value of 9 hours.

    FAQs

    How many hours of sun to expect in April in Ottawa?

    There is an average length of sunshine of 6 hours per day in April in Ottawa. That's 1 hour more than in the previous month. The percentage increase is then 22 %.

    How many days of precipitation on average can I expect in Ottawa in May?

    In Ottawa in May, we can expect 11 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.6 days of the week, or in general - 38 % days.

    Are there good conditions to visit in Ottawa in June?

    There are good conditions for visiting in Ottawa in June. The temperature during the day will be nice 24 °C (76 °F). The temperature of 13 °C (56 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

    Is there a wet season in Ottawa in July?

    No, there is no wet season in July in Ottawa - you can expect 11 days of rain during the month.

    Is it hot in August in Ottawa?

    In Ottawa in August, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

    What is the temperature in Ottawa during the day in September?

    The average daily temperature in Ottawa in September is 21 °C (70 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. This is a decrease of 5 °C (40 °F) compared to the last month. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

    What is the air temperature in October in Ottawa at night?

    The average night temperature in Ottawa in October is 4 °C (40 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating. In absolute terms, the decrease compared to the last month is 6 °C (44 °F).

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