May weather forecast and climate
Chemainus, Canada

Weather in May

The last month of the spring, May, is a moderate month in Chemainus, Canada, with average temperature fluctuating between 7.2°C (45°F) and 14.6°C (58.3°F).

Temperature

In Chemainus, the average high-temperature slightly increases, from a chilly 9.7°C (49.5°F) in April, to a moderate 14.6°C (58.3°F). In Chemainus, in May, the average low-temperature is 7.2°C (45°F).

Humidity

In Chemainus, Canada, the average relative humidity is 77%.

Rainfall

In May, in Chemainus, the rain falls for 16.3 days. Throughout May, 56mm (2.2") of precipitation is accumulated. Throughout the year, there are 201.4 rainfall days, and 1213mm (47.76") of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Chemainus.

Daylight

In May, the average length of the day is 15.3h.

Sunshine

The average sunshine in Chemainus, Canada, is 8.9h.

UV index

The average daily maximum UV index in Chemainus is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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.
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FAQ

What is the temperature in May in Chemainus?

In May, in Chemainus, Canada, the average high-temperature is 14.6°C (58.3°F), and the average low-temperature is 7.2°C (45°F).

What is the average humidity in May in Chemainus?

The average relative humidity in May is 77%.

How many days does it rain in May in Chemainus?

In May, in Chemainus, the rain falls for 16.3 days. Throughout May, 56mm (2.2") of precipitation is accumulated.

Does it snow in Chemainus in May?

In May, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Chemainus?

In Chemainus, Canada, snow does not fall in May through October.

How many hours of daylight does Chemainus have in May?

In Chemainus, the average length of the day in May is 15.3h.

How long on average sun shines in May in Chemainus?

In Chemainus, Canada, the average sunshine in May is 8.9h.

How high is the UV index in May in Chemainus?

In Chemainus, Canada, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Chemainus, Canada

Average temperature in May - Chemainus, Canada
  • Average high temperature in May: 14.6°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 May: 7.2°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 May
Chemainus, Canada

Average pressure in May - Chemainus, Canada
  • Average pressure in May: 1016.8mbar

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 May
Chemainus, Canada

Average wind speed in May - Chemainus, Canada
  • Average wind speed in May: 6.4km/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 May
Chemainus, Canada

Average humidity in May - Chemainus, Canada
  • Average humidity in May: 77%

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 May
Chemainus, Canada

Average rainfall in May - Chemainus, Canada
  • Average rainfall in May: 56mm

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 May
Chemainus, Canada

Average rainfall days in May - Chemainus, Canada
  • Average rainfall days in May: 16.3 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 May
Chemainus, Canada

Average snowfall in May - Chemainus, Canada
  • Average snowfall in May: 0mm

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 May
Chemainus, Canada

Average snowfall days in May - Chemainus, Canada
  • Average snowfall days in May: 0 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 May /
Average sunshine in May
Chemainus, Canada

Average daylight in May / Average sunshine in May - Chemainus, Canada
  • Average daylight in May: 15.3h

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 May: 8.9h

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 May
Chemainus, Canada

Average sunshine days in May - Chemainus, Canada
  • Average sunshine days in May: 12.3 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 May
Chemainus, Canada

Average UV index in May - Chemainus, Canada
  • Average UV index in May: 4

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 May
Chemainus, Canada

Average cloud cover in May - Chemainus, Canada
  • Average cloud cover in May: 42

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 May
Chemainus, Canada

Average visibility in May - Chemainus, Canada
  • Average visibility in May: 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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