May weather forecast and climate
Lewisporte, Canada

May, the last month of the spring, in Lewisporte, is a cool month, with temperature in the range of an average low of 2.2°C (36°F) and an average high of 11.5°C (52.7°F).

Temperature

In May, the average high-temperature increases, from a cold 4.6°C (40.3°F) in April, to a fresh 11.5°C (52.7°F). In Lewisporte, the average low-temperature is 2.2°C (36°F).

Humidity

In May, the average relative humidity is 80%.

Rainfall

In Lewisporte, during May, the rain falls for 16 days and regularly aggregates up to 59mm (2.32") of precipitation. Throughout the year, in Lewisporte, Canada, there are 154.8 rainfall days, and 785mm (30.91") of precipitation is accumulated.

Snowfall

January through June, October through December are months with snowfall in Lewisporte. In Lewisporte, Canada, during May, snow falls for 5.1 days and regularly aggregates up to 107mm (4.21") of snow. Throughout the year, there are 106.5 snowfall days, and 1460mm (57.48") of snow is accumulated.

Sea temperature

In May, the average sea temperature in Lewisporte is 2.4°C (36.3°F).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

In May, the average length of the day is 15.4h.

Sunshine

The average sunshine in May is 5.5h.

UV index

In May, the average daily maximum UV index in Lewisporte is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Lewisporte?

The average high-temperature, in May, in Lewisporte, is 11.5°C (52.7°F), while the average low-temperature is 2.2°C (36°F).

What is the average humidity in May in Lewisporte?

The average relative humidity in May is 80%.

How much does it rain in Lewisporte in May?

In Lewisporte, Canada, during May, the rain falls for 16 days and regularly aggregates up to 59mm (2.32") of precipitation.

How many days does it snow in May in Lewisporte?

In May, in Lewisporte, it is snowing for 5.1 days. Throughout May, 107mm (4.21") of snow is accumulated.

How cold is the water in May in Lewisporte?

In Lewisporte, in May, the average water temperature is 2.4°C (36.3°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Lewisporte have in May?

In May, the average length of the day in Lewisporte, Canada, is 15.4h.

How long on average sun shines in May in Lewisporte?

The average sunshine in May in Lewisporte, Canada, is 5.5h.

What is the UV index intensity in May in Lewisporte?

The average daily maximum UV index in May in Lewisporte, Canada, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in May - Lewisporte, Canada
  • Average high temperature in May: 11.5°C

The warmest month (with the highest average high temperature) is July (21.9°C).
Months with the lowest average high temperature are January and February (-2.8°C).

  • Average low temperature in May: 2.2°C

The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is February (-10.4°C).

Average humidity in May - Lewisporte, Canada
  • Average humidity in May: 80%

Months with the highest relative humidity are January and March (92%).
Months with the lowest relative humidity are June and July (79%).

Average rainfall in May - Lewisporte, Canada
  • Average rainfall in May: 59mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is April (52mm).

Average rainfall days in May - Lewisporte, Canada
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in May - Lewisporte, Canada
  • Average snowfall in May: 107mm

The month with the highest snowfall is January (262mm).
Months with the least snowfall are July, August and September (0mm).

Average snowfall days in May - Lewisporte, Canada
  • Average snowfall days in May: 5.1 days

The month with the highest number of snowfall days is January (19.6 days).
Months with the least snowfall days are July and August (0 days).

Average sea temperature in May - Lewisporte, Canada
  • Average sea temperature in May: 2.4°C

The best month for swimming (with the highest average sea temperature) is August (13.9°C).
The coldest month (with the lowest average sea temperature) is March (-1.3°C).

Average daylight in May / Average sunshine in May - Lewisporte, Canada
  • Average daylight in May: 15.4h

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

  • Average sunshine in May: 5.5h

Months with the most sunshine are July and August (Average sunshine: 7.2h).
The month with the least sunshine is February (Average sunshine: 2.5h).

Average UV index in May - Lewisporte, Canada
  • Average UV index in May: 3

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 1).