May weather forecast
Nanaimo, Canada

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Weather in May

May signals the arrival of summer, with a distinct rise in temperature and a decrease in rainfall. The longer daylight hours unfold the scenic beauty of Nanaimo, igniting the outdoors with lively activities. The cooler evening temperatures provide a pleasant contrast to warm afternoons. A gradual increase in sea temperature provides an opportunity for water-based activities. As the month unfurls, signs of the early summer become increasingly visible.

Temperature

The arrival of May introduces a minor uplift in high-temperatures, adjusting from a refreshing 14.1°C (57.4°F) in April to a comfortable 17.7°C (63.9°F). In May, Nanaimo experiences a temperature dip to an average of 7.2°C (45°F) at night.

Humidity

In May, the average relative humidity in Nanaimo is 57.8%.

Rainfall

In Nanaimo, in May, it is raining for 14.8 days, with typically 54mm (2.13") of accumulated precipitation. In Nanaimo, Canada, during the entire year, the rain falls for 170.1 days and collects up to 1098mm (43.23") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Nanaimo. May is the last month it regularly snows. During 0.1 snowfall days, in May, Nanaimo aggregates 1mm (0.04") of snow. Throughout the year, there are 11 snowfall days, and 687mm (27.05") of snow is accumulated.

Sea temperature

In May, the average sea temperature in Nanaimo is 8.6°C (47.5°F).
Note: You can swim in 8.6°C (47.5°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.

Daylight

In May, the average length of the day in Nanaimo is 15h and 21min.
On the first day of May, sunrise is at 5:52 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 9:11 pm PDT.

Sunshine

The average sunshine in May in Nanaimo is 7.2h.

Frequently asked questions

What is the average May temperature in Nanaimo?

The average high-temperature, in May, in Nanaimo, is 17.7°C (63.9°F), while the average low-temperature is 7.2°C (45°F).

What is the average humidity in May in Nanaimo?

The average relative humidity in May in Nanaimo, Canada, is 57.8%.

How many days does it rain in May in Nanaimo?

In May, in Nanaimo, Canada, the rain falls for 14.8 days. Throughout May, 54mm (2.13") of precipitation is accumulated.

What is the last month it snows in Nanaimo?

May is the last month it regularly snows in Nanaimo. During 0.1 snowfall days, in May, Nanaimo aggregates 1mm (0.04") of snow.

What is the sea water temperature in May in Nanaimo?

In May, the average sea temperature in Nanaimo is 8.6°C (47.5°F). Swimming in 8.6°C (47.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in May in Nanaimo?

In Nanaimo, Canada, the average day length in May is 15h and 21min.

When is the sunrise / sunset in May in Nanaimo?

On the first day of May, sunrise is at 5:52 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 9:11 pm PDT.

How long on average sun shines in May in Nanaimo?

In May, the average sunshine duration in Nanaimo, Canada, is 7.2h.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine

Average temperature in May
Nanaimo, Canada

Average temperature in May - Nanaimo, Canada
  • Average high temperature in May: 17.7°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is December (6.3°C).

  • Average low temperature in May: 7.2°C

The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is December (-0.2°C).

Average humidity in May
Nanaimo, Canada

Average humidity in May - Nanaimo, Canada
  • Average humidity in May: 57.8%

The month with the highest relative humidity is December (83.2%).
The month with the lowest relative humidity is August (52.1%).

Average rainfall in May
Nanaimo, Canada

Average rainfall in May - Nanaimo, Canada
  • Average rainfall in May: 54.2mm

The wettest month (with the highest rainfall) is November (186.5mm).
The driest month (with the least rainfall) is July (25.4mm).

Average rainfall days in May
Nanaimo, Canada

Average rainfall days in May - Nanaimo, Canada
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is November (19.8 days).
The month with the least rainy days is August (6.8 days).

Average snowfall in May
Nanaimo, Canada

Average snowfall in May - Nanaimo, Canada
  • Average snowfall in May: 1mm

The month with the highest snowfall is January (210mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Nanaimo, Canada

Average snowfall days in May - Nanaimo, Canada
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is December (3.2 days).
The months with the least snowfall days are April, June, July, August and September (0 days).

Average sea temperature in May
Nanaimo, Canada

Average sea temperature in May - Nanaimo, Canada
  • Average sea temperature in May: 8.6°C

The best month for swimming (with the highest average sea temperature) is August (11.5°C).
The coldest month (with the lowest average sea temperature) is February (7.2°C).

Average daylight in May /
Average sunshine in May
Nanaimo, Canada

Average daylight in May / Average sunshine in May - Nanaimo, Canada
  • Average daylight in May: 15h and 2min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in May: 7h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

Nanaimo, Canada

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