Measurements:
°C
°F
Wellington
66°F
SE 34 mph
Feels like: 66°F
Precip: 0%
World Resorts New Zealand Wellington Weather

Wellington Sea Water Temperature

Current Sea Water Temperature:
+65.6°F
Maximum Sea Water Temperature in January: 70.0°F
Minimum Sea Water Temperature in January: 59.0°F
Average water temperature in January: 63.6°F

Sea Water Temperature for the Last 10 Days:

January 10 65.6°F January 05 62.8°F
January 09 65.0°F January 04 62.2°F
January 08 64.0°F January 03 63.4°F
January 07 62.0°F January 02 63.0°F
January 06 61.8°F January 01 63.8°F

When is the Warmest Sea for Wellington?

According to our data for the last three years for Wellington the highest average sea water temperature was in February, January and March.

Average Water Temperature by Month, °F

Sea Water Temperature in February

Select Year: 2025 2024 2023

The average sea surface temperature in February 2025 for Wellington was 65.2°F. The maximum and minimum values were 61.4°F and 67.6°F respectively.

Sea Water Temperature in January

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Wellington was 61.6°F. The maximum and minimum values were 59.2°F and 64.2°F respectively.

Sea Water Temperature in March

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Wellington was 63.6°F. The maximum and minimum values were 61.2°F and 66.4°F respectively.

Best Time to Visit Wellington
The most sunny months:
January 16 days
February 14 days
March 13 days
The most warm months:
February 69.0 °F
January 68.8 °F
March 66.3 °F
Warmest sea temperature:
February 64.5 °F
January 63.6 °F
March 63.1 °F
The most cold months:
August 53.7 °F
July 54.3 °F
September 55.1 °F
The most rainy months:
August 6 days
July 6 days
June 5 days
The most windy months:
September 17 mph
October 17 mph
November 16 mph

Wellington on the Weather Map

New Zealand Resorts:
NAME
Auckland +78
Queenstown +58
Wellington +66
24 Hours Weather Forecast
Wellington
Local time: 09:36
11 jan, sunday
1200 68°F
SE
34 mph
1500 68°F
SE
36 mph
1800 68°F
SE
35 mph
2100 66°F
SE
33 mph
12 jan, monday
0000 66°F
SE
37 mph
0300 66°F
SE
23 mph
0600 58°F
N
19 mph
0900 60°F
NW
14 mph