Measurements:
°C
°F
Lunenburg
24°F
E 17 mph
Feels like: 12°F
Precip: 0%
World Resorts Canada Lunenburg Weather

Lunenburg Sea Water Temperature

Current Sea Water Temperature:
+41.0°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 13 41.0°F December 08 42.6°F
December 12 40.4°F December 07 42.4°F
December 11 41.0°F December 06 42.8°F
December 10 41.4°F December 05 43.4°F
December 09 42.2°F December 04 44.0°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: 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

Canada Resorts:
NAME
Halifax +22
Kingston +22
Moncton +12
Montreal +12
Niagara Falls +18
Ottawa 0
Prince Edward Island +20
Quebec +10
St. John's +28
Sydney +24
Toronto +22
Vancouver +46
Victoria +48
Winnipeg -18
Yellowknife -12
24 Hours Weather Forecast
Lunenburg
Local time: 05:22
13 dec, saturday
0600 24°F
E
17 mph
0900 24°F
E
16 mph
1200 30°F
E
16 mph
1500 32°F
E
15 mph
1800 30°F
E
11 mph
2100 32°F
NE
8 mph
14 dec, sunday
0000 34°F
NE
9 mph
0300 38°F
NE
15 mph