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Whanganui District (Whanganui)
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Weather in Whanganui District for December 2025

Your guide to Whanganui District weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Rain Warning - See hour by hour.

    • Temperatures

  • The forecast for the next days in Whanganui District predicts temperatures to be around 21 °C, close to the historical average.

  • In general, the average temperature in Whanganui District at the beginning of December is 19.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 20.9 °C by the end of December.

    • Rain 🌧️

  • Whanganui District experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 137 mm.

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/11°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Whanganui District Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
19°
2
Overcast
19°
3
Weather Alert Heavy rain
19°
4
Weather Alert Moderate rain
17°
5
Patchy rain possible
20°
6
Sunny
23°
7
Sunny
22°
8
Sunny
23°
9
Sunny
22°
10
Sunny
22°
11
Sunny
21°
12
Sunny
20°
13
Patchy rain possible
17°
14
Partly cloudy
20°
15
Patchy rain possible
23°
16
Patchy rain possible
24°
17
Overcast
19°
18
Patchy rain possible
19°
19
Cloudy
19°
20
Sunny
19°
21
Sunny
23°
22
Moderate or heavy rain shower
20°
23
Moderate or heavy rain shower
22°
24
Patchy rain possible
21°
25
Patchy rain possible
21°
26
Patchy rain possible
20°
27
Patchy rain possible
20°
28
Sunny
22°
29
Sunny
23°
30
Overcast
21°
31
Sunny
19°

Temperatures trend during December in Whanganui District

See the weather trend as well as the moving average line

December weather in Whanganui District day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Patchy rain possible
Patchy rain possible
 19° /11° 0.1 mm 6
2 Dec. Overcast
Overcast
 19° /11° 0.2 mm 6
3 Dec. Heavy rain
Heavy rain
 19° /13° 32.3 mm 1.4
4 Dec. Moderate rain
Moderate rain
 17° /12° 11.3 mm 2.6
5 Dec. Patchy rain possible
Patchy rain possible
 20° /12° 0.1 mm 2.9
6 Dec. Sunny
Sunny
 23° /13° 0 mm 2.9
7 Dec. Sunny
Sunny
 22° /13° 0 mm 0
8 Dec. Sunny
Sunny
 23° /12° 0 mm 8
9 Dec. Sunny
Sunny
 22° /14° 0 mm 8
10 Dec. Sunny
Sunny
 22° /14° 0 mm 8
11 Dec. Sunny
Sunny
 21° /13° 0 mm 8
12 Dec. Sunny
Sunny
 20° /12° 0.1 mm 8
13 Dec. Patchy rain possible
Patchy rain possible
 17° /11° 0.5 mm 6
14 Dec. Partly cloudy
Partly cloudy
 20° /8° 0 mm 7
15 Dec. Patchy rain possible
Patchy rain possible
 23° /17° 0.1 mm 7
16 Dec. Patchy rain possible
Patchy rain possible
 24° /14° 3.5 mm 7
17 Dec. Overcast
Overcast
 19° /12° 0.2 mm 6
18 Dec. Patchy rain possible
Patchy rain possible
 19° /11° 0.3 mm 7
19 Dec. Cloudy
Cloudy
 19° /12° 0.5 mm 6
20 Dec. Sunny
Sunny
 19° /12° 1 mm 7
21 Dec. Sunny
Sunny
 23° /13° 1.5 mm 7
22 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /13° 5.3 mm 6
23 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /14° 7.1 mm 6
24 Dec. Patchy rain possible
Patchy rain possible
 21° /14° 2.1 mm 6
25 Dec. Patchy rain possible
Patchy rain possible
 21° /13° 1.6 mm 6
26 Dec. Patchy rain possible
Patchy rain possible
 20° /14° 2.5 mm 6
27 Dec. Patchy rain possible
Patchy rain possible
 20° /13° 0.9 mm 6
28 Dec. Sunny
Sunny
 22° /11° 0.1 mm 6
29 Dec. Sunny
Sunny
 23° /12° 0.7 mm 6
30 Dec. Overcast
Overcast
 21° /14° 3.8 mm 6
31 Dec. Sunny
Sunny
 19° /13° 7.4 mm 6
Next
Important Notice
Our weather forecast for Whanganui District in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Whanganui District forecast closer to your planned date for the most up-to-date weather information.
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Whanganui District in December - FAQ

What are the expected maximum and minimum temperatures in Whanganui District during December?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Whanganui District during December?
Significant rainfall exceeding 137 mm is expected in Whanganui District during December, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Whanganui District during December?
The average wind speed in Whanganui District during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Whanganui District

Explore the daily rainfall trends and prepare for Whanganui Districts December weather 💧
Typically, Whanganui District has 10 rainy days in December with a total of 137 mm of rainfall.

UV exposure in Whanganui District during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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Location coordinates Where is Whanganui District?

Get accurate weather forecasts for Whanganui District, located at latitude -39.933 and longitude 175.05. Stay updated with localized weather information tailored for Whanganui District.

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