Measurements:
°C
°F
Lunenburg
42°F
SW 9 mph
Feels like: 38°F
Precip: 0%
World Resorts Canada Lunenburg Weather

Lunenburg Sea Water Temperature

Current Sea Water Temperature:
+48.2°F
Maximum Sea Water Temperature in May: 54.6°F
Minimum Sea Water Temperature in May: 36.8°F
Average water temperature in May: 45.4°F

Sea Water Temperature for the Last 10 Days:

May 30 48.2°F May 25 48.2°F
May 29 48.6°F May 24 47.0°F
May 28 49.4°F May 23 49.4°F
May 27 48.8°F May 22 51.4°F
May 26 50.8°F May 21 52.6°F

When is the Warmest Sea for Lunenburg?

According to our data for the last three years for Lunenburg the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Lunenburg was 65.5°F. The maximum and minimum values were 59.4°F and 69.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Lunenburg was 67.1°F. The maximum and minimum values were 65.4°F and 70.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Lunenburg was 60.6°F. The maximum and minimum values were 57.4°F and 62.8°F respectively.

Best Time to Visit Lunenburg
The most sunny months:
October 10 days
May 9 days
August 9 days
The most warm months:
August 72.7 °F
July 72.6 °F
September 67.1 °F
Warmest sea temperature:
August 65.5 °F
September 64.1 °F
July 62.1 °F
The most cold months:
February 27.0 °F
January 27.3 °F
December 33.7 °F
The most rainy months:
August 4 days
December 4 days
November 4 days
The most windy months:
December 12 mph
February 12 mph
March 12 mph

Lunenburg on the Weather Map

24 Hours Weather Forecast
Lunenburg
Local time: 04:33
30 may, saturday
0600 42°F
SW
9 mph
0900 44°F
SW
11 mph
1200 48°F
SW
9 mph
1500 48°F
SW
11 mph
1800 46°F
SW
17 mph
2100 44°F
SW
16 mph
31 may, sunday
0000 42°F
S
16 mph
0300 42°F
S
14 mph