World Resorts Canada Moncton Weather

Moncton weather in May

Weather in Moncton: May

Average day temperature: 52.9°F
Average night temperature: 44.1°F
Sea water temperature: 42.9°F
Number of sunny days: 9 days
Day length: 14.4 - 15.5 hours
Number of rainy days: 1 day
Precipitation totals: 0.8 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 69°F. At the same time the lowest night temperature was 35°F. Daily and nightly averages during May were 51.7°F and 42.9°F.

Sea water temperature in Moncton in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 45.0°F. The highest and lowest sea temperatures during the month were 52.0°F and 39.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Moncton in May is 0.8 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 11.6 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 6.7.

Best time for vacation in Moncton

Sunniest months:
October 12 days
September 12 days
August 12 days
Warmest months:
July 72.9 °F
August 72.4 °F
June 65.3 °F
Warmest sea temp:
August 65.0 °F
July 61.9 °F
September 61.7 °F
Coldest months:
February 24.0 °F
January 25.0 °F
March 31.5 °F
Rainiest months:
August 3 days
June 3 days
December 2 days
Windiest months:
November 13.7 mph
December 13.4 mph
March 12.7 mph

Moncton on a weather map

Moncton
-4°F
E 16 mph
Feels like: -22°F
Precip.: 0%
Places in Canada:
Name
°F
+41°F
+45°F
+12°F
+10°F
-8°F
+12°F
-4°F
+3°F
+16°F
-6°F
+25°F
+37°F
+19°F
+16°F
24 Hours Forecast
Moncton
Local time: 05:38
December 05, friday
0600
-4°F
E
16 mph
0900
5°F
E
15 mph
1200
16°F
E
16 mph
1500
19°F
E
14 mph
1800
18°F
E
11 mph
2100
16°F
E
10 mph
December 06, saturday
0000
14°F
E
8 mph
0300
14°F
E
7 mph
Units of measurement: °C / °F