May weather forecastNanaimo, Canada

May

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

In Nanaimo, the average high-temperature in May slightly increases from a moderate 14.1°C (57.4°F) in April to a still refreshing 17.7°C (63.9°F). Throughout the month of May, Nanaimo witnesses an average temperature of 7.2°C (45°F).

Humidity

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

Rainfall

In Nanaimo, during May, the rain falls for 14.8 days and regularly aggregates up to 54mm (2.13") of precipitation. Throughout the year, there are 170.1 rainfall days, and 1098mm (43.23") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Nanaimo aggregates 1mm (0.04") of snow. In Nanaimo, during the entire year, snow falls for 11 days and aggregates up to 687mm (27.05") of snow.

Sea temperature

In May, the average sea temperature is 8.6°C (47.5°F).
Note: Beware when you're in 8.6°C (47.5°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.

Daylight

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

Sunshine

The average sunshine in May is 7.2h.

Updated: Aug 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

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

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

In Nanaimo, in May, during 14.8 rainfall days, 54mm (2.13") of precipitation is typically accumulated.

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

In May, the average sea temperature 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.

The average day length in May is 15h and 21min.

In May, on the first day of the month, 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.

In May, the average sunshine duration is 7.2h.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

14.1°C

17.7°C

20.8°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.1

Average sea temperature

Average daylight

Average sunshine

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: 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: 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: 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: 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: 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: 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: 15h and 18min

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 12min

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).