May weather forecastQuebec city, Canada

May

Weather in May

With temperatures fluctuating between 6°C (42.8°F) and 17°C (62.6°F), May is an appealing time to explore Quebec City. The shift in weather is more pronounced, with longer daylight hours and warmer air enveloping the city. Vibrantly blooming flowers coupled with the verdant landscape makes outdoor expeditions irresistible. May weather serves as the perfect stage for an array of outdoor activities that locals as well as tourists enjoy.

Temperature

In Quebec city, stepping into May signifies a significant temperature increment, moving up from April's chilly 8°C (46.4°F) to a comfortable 17°C (62.6°F). Quebec city's temperature lowers to a mean of 6°C (42.8°F) during the nights in May.

Rainfall

In Quebec city, during May, the rain falls for 14 days and regularly aggregates up to 110mm (4.33") of precipitation. Throughout the year, in Quebec city, there are 170 rainfall days, and 1202mm (47.32") of precipitation is accumulated.

Sea temperature

In Quebec city, in May, the average water temperature is 5.6°C (42.1°F).
Note: It is advised against swimming in 5.6°C (42.1°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.

Daylight

In May, the average length of the day in Quebec city is 15h and 4min.
On the first day of May, sunrise is at 5:28 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 8:30 pm EDT.

Sunshine

In Quebec city, the average sunshine in May is 7h.

UV index

The average daily maximum UV index in May in Quebec city is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during May are 17°C (62.6°F) and 6°C (42.8°F) respectively.

In May, the rain falls for 14 days. Throughout May, 110mm (4.33") of precipitation is accumulated.

In Quebec city, the average seawater temperature in May is 5.6°C (42.1°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

In Quebec city, the average day length in May is 15h and 4min.

In May, on the first day of the month, sunrise is at 5:28 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 8:30 pm EDT.

In May, the average sunshine duration in Quebec city is 7h.

The average daily maximum UV index in May in Quebec city is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

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

Apr

May

Jun

Average high temperature

8°C

17°C

22°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in May
Quebec city, Canada

Average high temperature in May: 17°C

The warmest month (with the highest average high temperature) is July (25°C).
The month with the lowest average high temperature is January (-8°C).

Average low temperature in May: 6°C

The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is January (-17°C).

Average rainfall in May
Quebec city, Canada

Average rainfall in May: 110mm

The wettest month (with the highest rainfall) is September (123mm).
The driest month (with the least rainfall) is February (70mm).

Average rainfall days in May
Quebec city, Canada

Average rainfall days in May: 14 days

The month with the highest number of rainy days is December (17 days).
The months with the least rainy days are March and April (12 days).

Average sea temperature in May
Quebec city, Canada

Average sea temperature in May: 5.6°C

The best month for swimming (with the highest average sea temperature) is August (14.1°C).
The coldest month (with the lowest average sea temperature) is February (0.8°C).

Average daylight in May /
Average sunshine in May
Quebec city, Canada

Average daylight in May: 15h and 6min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

Average sunshine in May: 7h

The months with the most sunshine are June and July (Average sunshine: 8h).
The months with the least sunshine are January, November and December (Average sunshine: 3h).

Average UV index in May
Quebec city, Canada

Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 1).