April weather forecast and climate
Chemainus, Canada

Weather in April

April, the same as March, in Chemainus, Canada, is a frosty spring month, with average temperature fluctuating between 3.9°C (39°F) and 9.7°C (49.5°F).

Temperature

In April, the average high-temperature is almost the same as in March - a still chilly 9.7°C (49.5°F). The average low-temperature, in Chemainus, is 3.9°C (39°F).

Humidity

In Chemainus, the average relative humidity in April is 81%.

Rainfall

In Chemainus, it is raining for 20.2 days, with typically 85mm (3.35") of accumulated precipitation. Throughout the year, there are 201.4 rainfall days, and 1213mm (47.76") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Chemainus. April is the last month it regularly snows in Chemainus. During 0.3 snowfall days, Chemainus aggregates 1mm (0.04") of snow. In Chemainus, Canada, during the entire year, snow falls for 13.5 days, and aggregates up to 336mm (13.23") of snow.

Daylight

In Chemainus, the average length of the day is 13.8h.

Sunshine

In April, the average sunshine in Chemainus is 7.3h.

UV index

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Chemainus?

The average high-temperature, in April, is 9.7°C (49.5°F), while the average low-temperature is 3.9°C (39°F).

What is the average humidity in April in Chemainus?

In Chemainus, Canada, the average relative humidity in April is 81%.

How many days does it rain in April in Chemainus?

In Chemainus, during April, the rain falls for 20.2 days and regularly aggregates up to 85mm (3.35") of precipitation.

What is the last month it snows in Chemainus?

April is the last month it regularly snows. During 0.3 snowfall days, in April, Chemainus aggregates 1mm (0.04") of snow.

What is the average length of the day in April in Chemainus?

In April, the average length of the day in Chemainus, Canada, is 13.8h.

How long on average sun shines in April in Chemainus?

The average sunshine in April is 7.3h.

How high is the UV index in April in Chemainus?

In Chemainus, Canada, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in April
Chemainus, Canada

Average temperature in April - Chemainus, Canada
  • Average high temperature in April: 9.7°C

The warmest month (with the highest average high temperature) is August (20.4°C).
The month with the lowest average high temperature is December (4.1°C).

  • Average low temperature in April: 3.9°C

The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is December (0.5°C).

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Average pressure in April
Chemainus, Canada

Average pressure in April - Chemainus, Canada
  • Average pressure in April: 1017.2mbar

The month with the highest atmospheric pressure is July (1017.7mbar).
The month with the lowest atmospheric pressure is March (1015.4mbar).

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Average wind speed in April
Chemainus, Canada

Average wind speed in April - Chemainus, Canada
  • Average wind speed in April: 8.2km/h

The windiest month (with the highest average wind speed) is November (9.4km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).

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Average humidity in April
Chemainus, Canada

Average humidity in April - Chemainus, Canada
  • Average humidity in April: 81%

Months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in April
Chemainus, Canada

Average rainfall in April - Chemainus, Canada
  • Average rainfall in April: 85mm

The wettest month (with the highest rainfall) is January (189mm).
The driest month (with the least rainfall) is July (27mm).

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Average rainfall days in April
Chemainus, Canada

Average rainfall days in April - Chemainus, Canada
  • Average rainfall days in April: 20.2 days

The month with the highest number of rainy days is March (22.3 days).
The month with the least rainy days is August (9.3 days).

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Average snowfall in April
Chemainus, Canada

Average snowfall in April - Chemainus, Canada
  • Average snowfall in April: 1mm

The month with the highest snowfall is February (143mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in April
Chemainus, Canada

Average snowfall days in April - Chemainus, Canada
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is February (4.3 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Chemainus, Canada

Average daylight in April / Average sunshine in April - Chemainus, Canada
  • Average daylight in April: 13.8h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.3h).

  • Average sunshine in April: 7.3h

The month with the most sunshine is July (Average sunshine: 10.4h).
Months with the least sunshine are January and December (Average sunshine: 3.6).

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Average sunshine days in April
Chemainus, Canada

Average sunshine days in April - Chemainus, Canada
  • Average sunshine days in April: 7.8 days

The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is March (7.2 days).

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Average UV index in April
Chemainus, Canada

Average UV index in April - Chemainus, Canada
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Chemainus, Canada

Average cloud cover in April - Chemainus, Canada
  • Average cloud cover in April: 53

The month with the most cloud cover is January (Cloud cover 63).
Months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in April
Chemainus, Canada

Average visibility in April - Chemainus, Canada
  • Average visibility in April: 9km

Months with the highest visibility are March, April, May, June, July, August, September and October (9km).
Months with the lowest visibility are January, February, November and December (8km).

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