Whanganui Water Temperature

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Whanganui is a city close to Tasman Sea. February is the month with the warmest water temperature at 65.5°F / 18.6°C. The coolest month is August with an avg. water temperature of 54.1°F / 12.3°C. July is the sunniest at 0.3in / 8.8mm and December the wettest month with 4.7in / 119.9mm. The average air temperature is around 63.7°F / 17.6°C, February is the hottest month in a year. July is the coolest with 48°F / 8.9°C average air temperature. temperate oceanic climate with warm summer would be the climate here. January, February, March, December would be the best time to visit.

Whanganui Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: February with 18.6°C / 65.5°F
Coldest Month Water Temperature: August with 12.3°C / 54.1°F
Warmest Month Air Temperature: February with 17.6°C / 63.7°F
Coldest Month Air Temperature: July with 8.9°C / 48°F
Wettest Month: December with 119.9mm / 4.7in
Driest Month: July with 8.8mm / 0.3in
Highest Humidity July with 81.7%
Lowest Humidity February with 75.7%
Best Time to Visit: January, February, March, December
Climate Classification temperate oceanic climate with warm summer

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Whanganui water temperature by month

Tasman Sea water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

18.7 17.8 17.2

February

18.7 18.5 18.3

March

18.5 18 17.5

April

17.7 16.9 16.3

May

16.3 15.6 14.7

June

14.7 13.9 13.1

July

13.3 12.7 12.3

August

12.5 12.4 12.3

September

13.1 12.7 12.3

October

14.3 13.6 13.1

November

15.4 14.8 14.2

December

17.2 16.4 15.3

Tasman Sea water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

65.7 64 63

February

65.7 65.3 64.9

March

65.3 64.4 63.5

April

63.9 62.4 61.3

May

61.3 60.1 58.5

June

58.5 57 55.6

July

55.9 54.9 54.1

August

54.5 54.3 54.1

September

55.6 54.9 54.1

October

57.7 56.5 55.6

November

59.7 58.6 57.6

December

63 61.5 59.5
February is the month with the warmest water temperature at 65.5°F / 18.6°C. The month with the coldest is August with an average water temperature of 54.1°F / 12.3°C.

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Whanganui weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Nov. 22
Few clouds
62 °F
52°F
17 °C
11°C
3mph (5km/h)
southwest
0in (0mm)
0 %
64%
Nov. 23
Broken clouds
65 °F
55°F
19 °C
13°C
2mph (3km/h)
west-southwest
0in (0mm)
20 %
69%
Nov. 24
Scattered clouds
64 °F
52°F
18 °C
11°C
2mph (3km/h)
south-southwest
0in (0mm)
0 %
69%
Nov. 25
Scattered clouds
69 °F
56°F
21 °C
14°C
3mph (4km/h)
west-northwest
0in (0mm)
20 %
71%
Nov. 26
Light shower rain
69 °F
60°F
21 °C
15°C
3mph (5km/h)
west-northwest
0in (3mm)
60 %
82%
Nov. 27
Broken clouds
72 °F
55°F
22 °C
13°C
2mph (3km/h)
west-southwest
0in (0mm)
10 %
78%
Nov. 28
Broken clouds
72 °F
52°F
22 °C
11°C
2mph (3km/h)
southwest
0in (0mm)
20 %
79%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Nov. 29
Overcast clouds
70 °F
53°F
21 °C
12°C
2mph (3km/h)
east-southeast
0in (1mm)
25 %
78%
Nov. 30
Thunderstorm with rain
70 °F
52°F
21 °C
11°C
2mph (4km/h)
southeast
0in (2mm)
35 %
69%
Dec. 01
Clear Sky
74 °F
46°F
24 °C
8°C
1mph (2km/h)
east-southeast
0in (0mm)
0 %
58%
Dec. 02
Clear Sky
77 °F
48°F
25 °C
9°C
1mph (2km/h)
east-southeast
0in (0mm)
0 %
65%
Dec. 03
Few clouds
80 °F
50°F
26 °C
10°C
2mph (3km/h)
southeast
0in (0mm)
0 %
69%
Dec. 04
Broken clouds
81 °F
56°F
27 °C
13°C
1mph (2km/h)
southeast
0in (0mm)
0 %
61%
Dec. 05
Few clouds
80 °F
52°F
27 °C
11°C
1mph (2km/h)
southeast
0in (0mm)
0 %
74%
Dec. 06
Scattered clouds
80 °F
52°F
27 °C
11°C
2mph (3km/h)
southeast
0in (0mm)
0 %
73%
Dec. 07
Light shower rain
64 °F
53°F
18 °C
12°C
1mph (1km/h)
north-northeast
0in (2mm)
45 %
91%

Whanganui weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

22.7 17.3 13.1 35.6 0 76.9%

February

22.2 17.6 13.1 25.9 1 75.7%

March

21 16.3 12.1 29.1 0 76.6%

April

19.1 13.9 9.8 12.5 1 78.7%

May

16.4 12.1 7.8 61.2 3 80.9%

June

13.5 10 6.9 43.8 6 81.5%

July

12.6 8.9 4.9 8.8 5 81.7%

August

13.2 9.4 5.3 40.4 13 81.1%

September

15.3 10.7 7 70 6 79.6%

October

16.6 12 8.2 116.4 0 79%

November

18.2 13.5 9.6 85.2 5 77.4%

December

20 15.8 11.8 119.9 8 78.1%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

72.9 63.1 55.6 1.4 0 76.9%

February

72 63.7 55.6 1 1 75.7%

March

69.8 61.3 53.8 1.1 0 76.6%

April

66.4 57 49.6 0.5 1 78.7%

May

61.5 53.8 46 2.4 3 80.9%

June

56.3 50 44.4 1.7 6 81.5%

July

54.7 48 40.8 0.3 5 81.7%

August

55.8 48.9 41.5 1.6 13 81.1%

September

59.5 51.3 44.6 2.8 6 79.6%

October

61.9 53.6 46.8 4.6 0 79%

November

64.8 56.3 49.3 3.4 5 77.4%

December

68 60.4 53.2 4.7 8 78.1%
The warmest avg. temperature is around 63.7°F / 17.6°C, February is the month with the highest temperature. July is the coolest with 48°F / 8.9°C average air temperature. July is the month with the min. precipitation of 0.3in / 8.8mm and December with the max. precipitation in a year with 4.7in / 119.9mm.

Activities & POI in Whanganui

Type of Activity List
Attraction Durie Elevator (tunnel entrance), Durie Hill Tower, Wanganui Opera House, Moutoa Gardens, Ward Observatory, Queens Park / Pukenamu, Wanganui War Memorial Centre, Bell Tower at Cooks Gardens, Splash Centre, Wanganui Golf Club, St Paul's Memorial Church, Putiki, Wanganui Rugby, Kowhai Park, Riverland Family Park, The Winter Gardens
Golf Course Belmont Golf Course, Tawhero Golf Course
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