Measurements:
°C
°F
Lunenburg
12°F
SE 25 mph
Feels like: -6°F
Precip: 100%
World Resorts Canada Lunenburg Weather

Lunenburg Sea Water Temperature

Current Sea Water Temperature:
+44.0°F
Maximum Sea Water Temperature in December: 46.4°F
Minimum Sea Water Temperature in December: 36.2°F
Average water temperature in December: 41.8°F

Sea Water Temperature for the Last 10 Days:

December 04 44.0°F November 29 45.8°F
December 03 44.0°F November 28 45.8°F
December 02 44.4°F November 27 44.2°F
December 01 44.8°F November 26 44.0°F
November 30 44.8°F November 25 45.6°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 26.8 °F
January 27.4 °F
December 34.5 °F
The most rainy months:
December 5 days
August 4 days
November 4 days
The most windy months:
February 12 mph
November 12 mph
March 12 mph

Lunenburg on the Weather Map

24 Hours Weather Forecast
Lunenburg
Local time: 02:11
05 dec, friday
0300 12°F
SE
25 mph
0600 8°F
SE
24 mph
0900 10°F
SE
21 mph
1200 20°F
SE
19 mph
1500 24°F
E
18 mph
1800 26°F
E
14 mph
2100 22°F
E
11 mph
06 dec, saturday
0000 24°F
E
6 mph