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New Zealand weather

Weather in Ashburton for December 2025

Your guide to Ashburton weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Ashburton at the beginning of December is 19.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 20.4 °C by the end of December.

    • Rain 🌧️

  • Ashburton experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 42.7 mm.

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/10°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Ashburton Weather December

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

Temperatures trend during December in Ashburton

See the weather trend as well as the moving average line

December weather in Ashburton 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
 18° /8° 0.3 mm 6
2 Dec. Patchy rain possible
Patchy rain possible
 18° /9° 0.1 mm 6
3 Dec. Patchy rain possible
Patchy rain possible
 25° /11° 0.2 mm 7
4 Dec. Light rain shower
Light rain shower
 18° /10° 2.3 mm 6
5 Dec. Patchy rain possible
Patchy rain possible
 19° /11° 0.1 mm 6
6 Dec. Patchy rain possible
Patchy rain possible
 19° /9° 0.2 mm 6
7 Dec. Patchy rain possible
Patchy rain possible
 19° /10° 0.1 mm 6
8 Dec. Patchy rain possible
Patchy rain possible
 21° /11° 0.4 mm 7
9 Dec. Cloudy
Cloudy
 24° /9° 0 mm 7
10 Dec. Light rain shower
Light rain shower
 20° /8° 0.8 mm 7
11 Dec. Sunny
Sunny
 21° /7° 0 mm 7
12 Dec. Light rain shower
Light rain shower
 19° /8° 3.8 mm 7
13 Dec. Light drizzle
Light drizzle
 19° /8° 0.4 mm 6
14 Dec. Cloudy
Cloudy
 23° /9° 0 mm 7
15 Dec. Partly cloudy
Partly cloudy
 22° /10° 0 mm 7
16 Dec. Partly cloudy
Partly cloudy
 18° /10° 6 mm 6
17 Dec. Patchy rain possible
Patchy rain possible
 21° /10° 0.8 mm 7
18 Dec. Overcast
Overcast
 17° /9° 0.3 mm 6
19 Dec. Cloudy
Cloudy
 16° /9° 3.7 mm 5
20 Dec. Sunny
Sunny
 21° /11° 9.1 mm 7
21 Dec. Overcast
Overcast
 22° /11° 0.1 mm 7
22 Dec. Patchy rain possible
Patchy rain possible
 20° /11° 1.2 mm 5
23 Dec. Patchy rain possible
Patchy rain possible
 20° /12° 1.3 mm 6
24 Dec. Patchy rain possible
Patchy rain possible
 22° /12° 0.5 mm 6
25 Dec. Patchy rain possible
Patchy rain possible
 23° /14° 0.2 mm 6
26 Dec. Cloudy
Cloudy
 19° /12° 6.2 mm 5
27 Dec. Patchy rain possible
Patchy rain possible
 17° /11° 0.8 mm 5
28 Dec. Cloudy
Cloudy
 19° /11° 0 mm 5
29 Dec. Partly cloudy
Partly cloudy
 27° /13° 1.9 mm 7
30 Dec. Overcast
Overcast
 19° /12° 0.3 mm 6
31 Dec. Sunny
Sunny
 19° /9° 1.6 mm 6
Next
Important Notice
Our weather forecast for Ashburton 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 Ashburton forecast closer to your planned date for the most up-to-date weather information.
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Ashburton in December - FAQ

What are the expected maximum and minimum temperatures in Ashburton during December?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ashburton during December?
In December, Ashburton can expect light to moderate rainfall, totaling 42.7 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Ashburton during December?
The average wind speed in Ashburton during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Ashburton

Explore the daily rainfall trends and prepare for Ashburtons December weather 💧

UV exposure in Ashburton during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates Where is Ashburton?

Get accurate weather forecasts for Ashburton, located at latitude -43.898 and longitude 171.73. Stay updated with localized weather information tailored for Ashburton.

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