Measurements:
°C
°F
Lunenburg
74°F
SW 4 mph
Feels like: 74°F
Precip: 24%
World Resorts Canada Lunenburg Weather

Lunenburg Sea Water Temperature

Current Sea Water Temperature:
+66.2°F
Maximum Sea Water Temperature in August: 71.6°F
Minimum Sea Water Temperature in August: 59.4°F
Average water temperature in August: 65.7°F

Sea Water Temperature for the Last 10 Days:

August 19 66.2°F August 14 70.6°F
August 18 67.0°F August 13 70.8°F
August 17 65.0°F August 12 71.2°F
August 16 65.8°F August 11 70.6°F
August 15 68.4°F August 10 70.0°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Lunenburg was 66.8°F. The maximum and minimum values were 60.8°F and 71.2°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Lunenburg was 59.6°F. The maximum and minimum values were 52.6°F and 63.4°F respectively.

Best Time to Visit Lunenburg
The most sunny months:
October 10 days
May 9 days
June 9 days
The most warm months:
July 73.1 °F
August 72.7 °F
September 67.1 °F
Warmest sea temperature:
August 65.5 °F
September 64.1 °F
July 61.8 °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: 10:27
19 aug, wednesday
1200 78°F
S
2 mph
1500 82°F
NE
3 mph
1800 70°F
N
9 mph
2100 70°F
NE
7 mph
20 aug, thursday
0000 68°F
E
9 mph
0300 66°F
NE
7 mph
0600 64°F
E
6 mph
0900 66°F
NE
6 mph