Measurements:
°C
°F
Wellington
42°F
NE 6 mph
Feels like: 36°F
Precip: 10%
World Resorts New Zealand Wellington Weather

Wellington Sea Water Temperature

Current Sea Water Temperature:
+55.4°F
Maximum Sea Water Temperature in July: 58.6°F
Minimum Sea Water Temperature in July: 51.2°F
Average water temperature in July: 55.2°F

Sea Water Temperature for the Last 10 Days:

July 26 55.4°F July 21 53.0°F
July 25 55.2°F July 20 54.6°F
July 24 54.4°F July 19 54.0°F
July 23 53.6°F July 18 53.2°F
July 22 53.0°F July 17 53.0°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 54.1 °F
September 55.1 °F
The most rainy months:
August 6 days
June 5 days
July 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 +40
Queenstown +16
Wellington +42
24 Hours Weather Forecast
Wellington
Local time: 06:04
27 jul, monday
0900 44°F
N
9 mph
1200 48°F
N
11 mph
1500 48°F
N
10 mph
1800 44°F
N
6 mph
2100 42°F
NW
4 mph
28 jul, tuesday
0000 42°F
NW
2 mph
0300 40°F
SE
1 mph
0600 40°F
SW
3 mph