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New Zealand weather

Weather in Manawatu-Wanganui for December 2025

Your guide to Manawatu-Wanganui weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Manawatu-Wanganui at the beginning of December is 18.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 20.9 °C by the end of December.

    • Rain 🌧️

  • Manawatu-Wanganui 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

Manawatu-Wanganui Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
19°
2
Overcast
19°
3
Light rain
18°
4
Light rain shower
19°
5
Light rain shower
17°
6
Patchy rain possible
19°
7
Patchy rain possible
19°
8
Sunny
20°
9
Sunny
19°
10
Light drizzle
19°
11
Overcast
18°
12
Patchy rain possible
16°
13
Patchy rain possible
18°
14
Patchy rain possible
19°
15
Partly cloudy
20°
16
Patchy rain possible
20°
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 Manawatu-Wanganui

See the weather trend as well as the moving average line

December weather in Manawatu-Wanganui day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Overcast
Overcast
 19° /11° 0.1 mm 6
2 Dec. Overcast
Overcast
 19° /11° 0.2 mm 6
3 Dec. Light rain
Light rain
 18° /13° 3.7 mm 6
4 Dec. Light rain shower
Light rain shower
 19° /13° 1.5 mm 6
5 Dec. Light rain shower
Light rain shower
 17° /13° 1 mm 5
6 Dec. Patchy rain possible
Patchy rain possible
 19° /12° 0.3 mm 6
7 Dec. Patchy rain possible
Patchy rain possible
 19° /11° 0.1 mm 6
8 Dec. Sunny
Sunny
 20° /10° 0.9 mm 7
9 Dec. Sunny
Sunny
 19° /11° 1.8 mm 6
10 Dec. Light drizzle
Light drizzle
 19° /12° 0.6 mm 6
11 Dec. Overcast
Overcast
 18° /9° 0 mm 6
12 Dec. Patchy rain possible
Patchy rain possible
 16° /11° 2.8 mm 6
13 Dec. Patchy rain possible
Patchy rain possible
 18° /10° 0.4 mm 7
14 Dec. Patchy rain possible
Patchy rain possible
 19° /12° 0.1 mm 7
15 Dec. Partly cloudy
Partly cloudy
 20° /11° 0 mm 7
16 Dec. Patchy rain possible
Patchy rain possible
 20° /12° 4.5 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 Manawatu-Wanganui 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 Manawatu-Wanganui forecast closer to your planned date for the most up-to-date weather information.
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Manawatu-Wanganui in December - FAQ

What are the expected maximum and minimum temperatures in Manawatu-Wanganui 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 Manawatu-Wanganui during December?
Significant rainfall exceeding 137 mm is expected in Manawatu-Wanganui during December, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Manawatu-Wanganui during December?
The average wind speed in Manawatu-Wanganui during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Manawatu-Wanganui

Explore the daily rainfall trends and prepare for Manawatu-Wanganuis December weather 💧

UV exposure in Manawatu-Wanganui during December

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

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

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