Monthly weather forecast and climate
Chilliwack, Canada

Weather in January

January, like December, in Chilliwack, Canada, is another cold winter month, with temperature in the range of an average high of 2.5°C (36.5°F) and an average low of -2.8°C (27°F). In Chilliwack, the average high-temperature in January is essentially the same as in December - a still cold 2.5°C (36.5°F). Weather in January »

Weather in February

February, the last month of the winter, in Chilliwack, is also a wintry month, with average temperature ranging between min -3.3°C (26.1°F) and max 2.8°C (37°F). In Chilliwack, the average high-temperature is almost the same as in January - a still cold 2.8°C (37°F). Weather in February »

Weather in March

March, the first month of the spring, in Chilliwack, is also a wintry month, with average temperature fluctuating between 5.2°C (41.4°F) and -1.5°C (29.3°F). In Chilliwack, the average high-temperature is essentially the same as in February - a still cold 5.2°C (41.4°F). Weather in March »

Weather in April

April is a frosty spring month in Chilliwack, Canada, with average temperature ranging between max 9.3°C (48.7°F) and min 1.3°C (34.3°F). In Chilliwack, the average high-temperature in April marginally rises, from a cold 5.2°C (41.4°F) in March, to a frosty 9.3°C (48.7°F). Weather in April »

Weather in May

May, the last month of the spring, in Chilliwack, is a mild month, with average temperature ranging between min 4.2°C (39.6°F) and max 15°C (59°F). In May, the average high-temperature increases, from a chilly 9.3°C (48.7°F) in April, to a moderate 15°C (59°F). Weather in May »

Weather in June

June, the first month of the summer, in Chilliwack, is an enjoyable month, with average temperature ranging between max 17°C (62.6°F) and min 5.9°C (42.6°F). In Chilliwack, Canada, the average high-temperature is practically the same as in May - a comfortable 17°C (62.6°F). Weather in June »

Weather in July

July is an agreeable summer month in Chilliwack, Canada, with average temperature ranging between min 8°C (46.4°F) and max 21.7°C (71.1°F). In Chilliwack, the average high-temperature marginally rises, from a comfortable 17°C (62.6°F) in June, to an agreeable 21.7°C (71.1°F). Weather in July »

Weather in August

The last month of the summer, August, is another pleasant month in Chilliwack, Canada, with average temperature fluctuating between 8.7°C (47.7°F) and 21.9°C (71.4°F). The warmest month is August, with an average high-temperature of 21.9°C (71.4°F) and an average low-temperature of 8.7°C (47.7°F). Weather in August »

Weather in September

September, the first month of the autumn, in Chilliwack, is still a comfortable month, with average temperature ranging between min 6.4°C (43.5°F) and max 17.7°C (63.9°F). In September, the average high-temperature marginally drops, from an agreeable 21.9°C (71.4°F) in August, to an enjoyable 17.7°C (63.9°F). Weather in September »

Weather in October

October, like September, in Chilliwack, Canada, is a cool autumn month, with average temperature ranging between max 11.3°C (52.3°F) and min 3.6°C (38.5°F). In Chilliwack, the average high-temperature in October drops, from an enjoyable 17.7°C (63.9°F) in September, to a fresh 11.3°C (52.3°F). Weather in October »

Weather in November

November, the last month of the autumn, in Chilliwack, is another cold month, with average temperature varying between 0°C (32°F) and 4.9°C (40.8°F). In November, the average high-temperature decreases, from a cool 11.3°C (52.3°F) in October, to a wintry 4.9°C (40.8°F). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Chilliwack, Canada, with average temperature varying between 1.3°C (34.3°F) and -3.4°C (25.9°F). The coldest month is December, with an average high-temperature of 1.3°C (34.3°F) and an average low-temperature of -3.4°C (25.9°F). Weather in December »
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FAQ

What is the most humid month in Chilliwack?

With an average relative humidity of 91%, January is the most humid month.

How much does it rain in Chilliwack?

Throughout the year, in Chilliwack, there are 198.9 rainfall days, and 1222mm (48.11") of precipitation is accumulated.

What is the wettest month in Chilliwack?

The month with the most rainfall is January when the rain falls for 17.8 days and typically aggregates up to 173mm (6.81") of precipitation.

When does it snow in Chilliwack?

Months with snowfall in Chilliwack, Canada, are January through April, November and December.

How many days does it snow in Chilliwack?

In Chilliwack, during the entire year, snow falls for 20.1 days, and aggregates up to 375mm (14.76") of snow.

What is the month with the least sunshine in Chilliwack?

With an average of 3.5h of sunshine, January has the least sunshine of the year in Chilliwack.

What are the months with the lowest UV index in Chilliwack?

January and November, with an average maximum UV index of 1, are months with the lowest UV index in Chilliwack.

When does it snow the most in Chilliwack?

The month with the most snowfall is February when snow falls for 5.7 days and typically aggregates up to 103mm (4.06") of snow.

When it does not snow in Chilliwack?

May through October are months without snowfall.

When are the longest days in Chilliwack?

June has the longest days of the year, with an average of 16.2h of daylight.

What is the least humid month in Chilliwack?

The least humid month in Chilliwack is July, with an average relative humidity of 74%.

What is the month with the highest UV index in Chilliwack?

With an average maximum UV index of 5, July is the month with the highest UV index in Chilliwack, Canada.

What is the warmest month in Chilliwack?

With an average high-temperature of 21.9°C (71.4°F) and an average low-temperature of 8.7°C (47.7°F), August is the warmest month.

What is the driest month in Chilliwack?

August is the month with the least rainfall. Rain falls for 10.2 days and accumulates 31mm (1.22") of precipitation.

What month has the most sunshine in Chilliwack?

The month with the most sunshine is August, with an average of 10h of sunshine.

What is the coldest month in Chilliwack?

December is the coldest month, with an average high-temperature of 1.3°C (34.3°F) and an average low-temperature of -3.4°C (25.9°F).

What is the month with the shortest days in Chilliwack?

The month with the shortest days in Chilliwack, Canada, is December, with an average of 8.3h of daylight.

Average pressure
Chilliwack, Canada

Average pressure - Chilliwack, Canada

The month with the highest atmospheric pressure is January (1019.3mbar).
The month with the lowest atmospheric pressure is June (1015.6mbar).

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Average wind speed
Chilliwack, Canada

Average wind speed - Chilliwack, Canada

The windiest months (with the highest average wind speed) are January and February (6.9km/h).
The calmest month (with the lowest average wind speed) is August (5km/h).

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Average humidity
Chilliwack, Canada

Average humidity - Chilliwack, Canada

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is July (74%).

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Average rainfall
Chilliwack, Canada

Average rainfall - Chilliwack, Canada

The wettest month (with the highest rainfall) is January (173mm).
The driest month (with the least rainfall) is August (31mm).

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Average rainfall days
Chilliwack, Canada

Average rainfall days - Chilliwack, Canada

The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is August (10.2 days).

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Average snowfall
Chilliwack, Canada

Average snowfall - Chilliwack, Canada

The month with the highest snowfall is February (103mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days
Chilliwack, Canada

Average snowfall days - Chilliwack, Canada

The month with the highest number of snowfall days is February (5.7 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Chilliwack, Canada

Average daylight / Average sunshine - Chilliwack, Canada

The month with the longest days is June (Average daylight: 16.2h).
The month with the shortest days is December (Average daylight: 8.3h).

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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Average sunshine days
Chilliwack, Canada

Average sunshine days - Chilliwack, Canada

The month with the most sunshine days is August (18.1 days).
Months with the least sunshine days are March and April (8 days).

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Average visibility
Chilliwack, Canada

Average visibility - Chilliwack, Canada

Months with the highest visibility are May, July and August (8km).
Months with the lowest visibility are January, February, March, November and December (6km).

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