May weather forecast
Moncton, Canada

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Weather in May

May, the last month of the spring in Moncton, is a moderate month, with an average temperature varying between 5.1°C (41.2°F) and 14.3°C (57.7°F).

Temperature

The arrival of May brings a temperature shift, with the average high-temperature escalating from a chilly 7.3°C (45.1°F) in April to a moderate 14.3°C (57.7°F). An average nighttime temperature of 5.1°C (41.2°F) is recorded during May.

Humidity

May and July, with an average relative humidity of 77%, are the least humid months in Moncton.

Rainfall

In Moncton, during May, the rain falls for 16.7 days and regularly aggregates up to 55mm (2.17") of precipitation. In Moncton, during the entire year, the rain falls for 152.8 days and collects up to 769mm (30.28") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Moncton. May is the last month it regularly snows. During 0.4 snowfall days, in May, Moncton aggregates 5mm (0.2") of snow. In Moncton, Canada, during the entire year, snow falls for 77.8 days and aggregates up to 1163mm (45.79") of snow.

Daylight

In Moncton, the average length of the day in May is 14h and 59min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:27 pm. On the last day of May, in Moncton, sunrise is at 5:31 am and sunset at 9:02 pm ADT.

Sunshine

In Moncton, the average sunshine in May is 7.2h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, the maximum UV index of 4 transforms into these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are May temperatures in Moncton?

Moncton in May has an average high-temperature of 14.3°C (57.7°F) and an average low-temperature of 5.1°C (41.2°F).

What is the least humid month in Moncton?

The months with the lowest humidity in Moncton are May and July, with an average relative humidity of 77%.

What is the average humidity in May in Moncton?

The average relative humidity in May in Moncton is 77%.

How much does it rain in Moncton in May?

In Moncton, during May, the rain falls for 16.7 days and regularly aggregates up to 55mm (2.17") of precipitation.

What is the last month it snows in Moncton?

May is the last month it regularly snows in Moncton, Canada. During 0.4 snowfall days, in May, Moncton aggregates 5mm (0.2") of snow.

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

In May, the average day length in Moncton is 14h and 59min.

What time are sunrise and sunset in May in Moncton?

In May, on the first day of the month, sunrise is at 6:04 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 9:02 pm ADT.

How long on average sun shines in May in Moncton?

The average sunshine duration in May in Moncton is 7.2h.

How high is the UV index in May in Moncton?

In May, the average daily maximum UV index in Moncton is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Moncton, Canada

Average temperature in May - Moncton, Canada
  • Average high temperature in May: 14.3°C

The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (-4°C).

  • Average low temperature in May: 5.1°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-11.2°C).

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Average pressure in May
Moncton, Canada

Average pressure in May - Moncton, Canada
  • Average pressure in May: 1015.4mbar

The month with the highest atmospheric pressure is September (1016.5mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).

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Average wind speed in May
Moncton, Canada

Average wind speed in May - Moncton, Canada
  • Average wind speed in May: 12.8km/h

The windiest month (with the highest average wind speed) is January (14.8km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

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Average humidity in May
Moncton, Canada

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

The month with the highest relative humidity is February (90%).
The months with the lowest relative humidity are May and July (77%).

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Average rainfall in May
Moncton, Canada

Average rainfall in May - Moncton, Canada
  • Average rainfall in May: 55mm

The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is July (50mm).

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Average rainfall days in May
Moncton, Canada

Average rainfall days in May - Moncton, Canada
  • Average rainfall days in May: 16.7 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (6.5 days).

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Average snowfall in May
Moncton, Canada

Average snowfall in May - Moncton, Canada
  • Average snowfall in May: 5mm

The month with the highest snowfall is February (275mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in May
Moncton, Canada

Average snowfall days in May - Moncton, Canada
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is March (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Moncton, Canada
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 7h and 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

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Average sunshine days in May
Moncton, Canada

Average sunshine days in May - Moncton, Canada
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is October (14.7 days).
The month with the least sunshine days is February (8.9 days).

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Average UV index in May
Moncton, Canada

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February, March and December (UV index 1).

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Average cloud cover in May
Moncton, Canada

Average cloud cover in May - Moncton, Canada
  • Average cloud cover in May: 53

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 39).

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Average visibility in May
Moncton, Canada

Average visibility in May - Moncton, Canada
  • Average visibility in May: 9km

The months with the highest visibility are May, July, September and October (9km).
The months with the lowest visibility are January, February and March (7km).

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Moncton, Canada

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