Measurements:
°C
°F
Moncton
68°F
N 6 mph
Feels like: 68°F
Precip: 0%
World Resorts Canada Moncton Weather

7 Day Weather Forecast

05.19
tue
DAY
80°F
NE 8 mph
precip
0%
NIGHT
56°F
NW 4 mph
precip
66%
05.20
wed
DAY
78°F
E 15 mph
precip
0%
NIGHT
56°F
SE 14 mph
precip
0%
05.21
thu
DAY
52°F
SE 14 mph
precip
0%
NIGHT
42°F
E 6 mph
precip
0%
05.22
fri
DAY
54°F
SE 16 mph
precip
0%
NIGHT
44°F
E 5 mph
precip
0%
05.23
sat
DAY
54°F
S 9 mph
precip
0%
NIGHT
40°F
NE 4 mph
precip
0%
05.24
sun
DAY
62°F
S 4 mph
precip
0%
NIGHT
48°F
NE 5 mph
precip
0%
05.25
mon
DAY
66°F
NE 7 mph
precip
0%
NIGHT
50°F
NE 11 mph
precip
0%

Moncton Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Moncton was 6.0°F. The maximum and minimum values were 4.3°F and 8.4°F respectively.

Moncton on the Weather Map

Best Time to Visit Moncton
The most sunny months:
October 12 days
September 12 days
August 12 days
The most warm months:
July 75.4 °F
August 74.9 °F
June 67.0 °F
Warmest sea temperature:
August 66.7 °F
July 63.3 °F
September 63.0 °F
The most cold months:
February 21.7 °F
January 21.9 °F
March 29.9 °F
The most rainy months:
August 3 days
June 3 days
December 2 days
The most windy months:
November 13 mph
December 12 mph
March 12 mph