Measurements:
°C
°F
Wellington
56°F
S 17 mph
Feels like: 52°F
Precip: 0%
World Resorts New Zealand Wellington Weather

Wellington Sea Water Temperature

Current Sea Water Temperature:
+57.0°F
Maximum Sea Water Temperature in May: 64.4°F
Minimum Sea Water Temperature in May: 54.8°F
Average water temperature in May: 59.9°F

Sea Water Temperature for the Last 10 Days:

May 30 57.0°F May 25 57.0°F
May 29 57.6°F May 24 56.8°F
May 28 58.8°F May 23 57.4°F
May 27 58.0°F May 22 57.6°F
May 26 57.8°F May 21 56.4°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: 2026 2025 2024

The average sea surface temperature in February 2026 for Wellington was 63.2°F. The maximum and minimum values were 61.0°F and 66.8°F respectively.

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Wellington was 63.9°F. The maximum and minimum values were 61.8°F and 67.2°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Wellington was 61.2°F. The maximum and minimum values were 58.6°F and 63.8°F respectively.

Best Time to Visit Wellington
The most sunny months:
January 15 days
February 14 days
March 13 days
The most warm months:
February 68.8 °F
January 68.5 °F
March 66.1 °F
Warmest sea temperature:
February 64.4 °F
January 63.7 °F
March 63.0 °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 +62
Queenstown +32
Wellington +56
24 Hours Weather Forecast
Wellington
Local time: 20:16
30 may, saturday
2100 56°F
S
17 mph
31 may, sunday
0000 58°F
S
21 mph
0300 58°F
S
22 mph
0600 56°F
S
22 mph
0900 58°F
S
21 mph
1200 60°F
S
22 mph
1500 62°F
S
22 mph
1800 62°F
S
23 mph