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Weather in Knysna for December 2025

Your guide to Knysna weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Knysna has been nearly identical to the historical average, with a temperature of 21.7 °C (showing only a slight deviation of -0.5 °C).

  • The forecast for the next days in Knysna predicts temperatures to be around 22 °C, close to the historical average.

  • In general, the average temperature in Knysna at the beginning of December is 21.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 23.4 °C by the end of December.

    • Rain 🌧️

  • The climate of Knysna in December is notably wet, with an average of 12 rainy days, and a total of 14.3 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
19
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/17°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Knysna Weather December

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

Temperatures trend during December in Knysna

See the weather trend as well as the moving average line

December weather in Knysna day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Moderate rain at times
Moderate rain at times
 21° /15° 0.4 mm 8
2 Dec. Sunny
Sunny
 22° /16° 0.9 mm 9
3 Dec. Patchy rain possible
Patchy rain possible
 21° /16° 0.5 mm 8
4 Dec. Cloudy
Cloudy
 23° /14° 0 mm 9
5 Dec. Overcast
Overcast
 22° /16° 0.2 mm 9
6 Dec. Moderate rain at times
Moderate rain at times
 22° /15° 2.1 mm 8
7 Dec. Cloudy
Cloudy
 22° /16° 0 mm 9
8 Dec. Cloudy
Cloudy
 22° /16° 0 mm 9
9 Dec. Sunny
Sunny
 24° /15° 2 mm 9
10 Dec. Sunny
Sunny
 23° /15° 0.1 mm 9
11 Dec. Patchy rain possible
Patchy rain possible
 25° /17° 0.1 mm 9
12 Dec. Overcast
Overcast
 23° /17° 1.2 mm 8
13 Dec. Patchy rain possible
Patchy rain possible
 19° /15° 3.5 mm 7
14 Dec. Cloudy
Cloudy
 21° /15° 0 mm 8
15 Dec. Sunny
Sunny
 23° /16° 0 mm 3.5
16 Dec. Sunny
Sunny
 23° /17° 0 mm 3.4
17 Dec. Patchy rain possible
Patchy rain possible
 20° /17° 2.8 mm 0.8
18 Dec. Patchy rain possible
Patchy rain possible
 21° /14° 0.4 mm 3.3
19 Dec. Sunny
Sunny
 23° /15° 0 mm 4.8
20 Dec. Sunny
Sunny
 22° /16° 0 mm 8
21 Dec. Partly cloudy
Partly cloudy
 22° /17° 0 mm 8
22 Dec. Sunny
Sunny
 26° /19° 0 mm 9
23 Dec. Patchy rain possible
Patchy rain possible
 21° /18° 1.2 mm 8
24 Dec. Partly cloudy
Partly cloudy
 21° /17° 0 mm 8
25 Dec. Patchy rain possible
Patchy rain possible
 20° /16° 0.1 mm 7
26 Dec. Sunny
Sunny
 23° /16° 0 mm 8
27 Dec. Sunny
Sunny
 23° /17° 0 mm 8
28 Dec. Sunny
Sunny
 23° /17° 0 mm 9
29 Dec. Cloudy
Cloudy
 26° /20° 0 mm 9
30 Dec. Partly cloudy
Partly cloudy
 27° /20° 0 mm 10
31 Dec. Light rain shower
Light rain shower
 22° /17° 0.6 mm 8
Next
Important Notice
Our weather forecast for Knysna 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 Knysna forecast closer to your planned date for the most up-to-date weather information.
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Knysna in December - FAQ

What are the expected maximum and minimum temperatures in Knysna during December?
During December, expect a variety of temperatures with highs around 23° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Knysna during December?
Expect minimal rainfall in Knysna during December, with a total of 14.3 mm over approximately 12 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Knysna during December?
The average wind speed in Knysna during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Knysna

Explore the daily rainfall trends and prepare for Knysnas December weather 💧
Typically, Knysna has 12 rainy days in December with a total of 14.3 mm of rainfall.

UV exposure in Knysna during December

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

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Location coordinates Where is Knysna?

Get accurate weather forecasts for Knysna, located at latitude -34.036 and longitude 23.047. Stay updated with localized weather information tailored for Knysna.

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