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South Africa weather

Weather in Hermanus for December 2026

Your guide to Hermanus weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Hermanus at the beginning of December is 20.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 23.4 °C by the end of December.

    • Rain 🌧️

  • Hermanus experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 13.7 mm.

    • More

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Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/17°
Temperatures
Average wind speed
30 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Hermanus Weather December

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

Temperatures trend during December in Hermanus

See the weather trend as well as the moving average line

December weather in Hermanus day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Partly cloudy
Partly cloudy
 21° /15° 0 mm 8
2 Dec. Patchy rain possible
Patchy rain possible
 20° /16° 0.1 mm 8
3 Dec. Patchy rain possible
Patchy rain possible
 21° /17° 0.5 mm 8
4 Dec. Overcast
Overcast
 22° /15° 0 mm 8
5 Dec. Patchy rain possible
Patchy rain possible
 20° /17° 0.5 mm 8
6 Dec. Light drizzle
Light drizzle
 20° /16° 0.5 mm 8
7 Dec. Patchy rain possible
Patchy rain possible
 21° /15° 0 mm 8
8 Dec. Sunny
Sunny
 21° /16° 0 mm 9
9 Dec. Sunny
Sunny
 21° /16° 0.3 mm 9
10 Dec. Sunny
Sunny
 23° /18° 0 mm 9
11 Dec. Patchy rain possible
Patchy rain possible
 22° /17° 0.1 mm 8
12 Dec. Light rain shower
Light rain shower
 20° /16° 3 mm 8
13 Dec. Patchy rain possible
Patchy rain possible
 18° /16° 1.9 mm 7
14 Dec. Sunny
Sunny
 20° /15° 0 mm 9
15 Dec. Light rain shower
Light rain shower
 21° /15° 1.4 mm 9
16 Dec. Patchy rain possible
Patchy rain possible
 19° /15° 0.5 mm 8
17 Dec. Patchy rain possible
Patchy rain possible
 19° /16° 0.8 mm 7
18 Dec. Partly cloudy
Partly cloudy
 20° /15° 0 mm 9
19 Dec. Sunny
Sunny
 22° /15° 0 mm 9
20 Dec. Patchy rain possible
Patchy rain possible
 22° /16° 0.2 mm 10
21 Dec. Patchy rain possible
Patchy rain possible
 22° /18° 0.1 mm 10
22 Dec. Partly cloudy
Partly cloudy
 23° /18° 0.5 mm 9
23 Dec. Patchy rain possible
Patchy rain possible
 20° /18° 1.6 mm 6
24 Dec. Patchy rain possible
Patchy rain possible
 22° /17° 0.7 mm 7
25 Dec. Sunny
Sunny
 24° /18° 0.2 mm 9
26 Dec. Partly cloudy
Partly cloudy
 24° /19° 0.1 mm 9
27 Dec. Light rain shower
Light rain shower
 22° /18° 0.8 mm 10
28 Dec. Partly cloudy
Partly cloudy
 24° /17° 0 mm 11
29 Dec. Sunny
Sunny
 24° /19° 0 mm 11
30 Dec. Sunny
Sunny
 24° /18° 0.2 mm 11
31 Dec. Patchy rain possible
Patchy rain possible
 22° /19° 0.3 mm 9
Next
Important Notice
Our weather forecast for Hermanus 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 Hermanus forecast closer to your planned date for the most up-to-date weather information.
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Hermanus in December - FAQ

What are the expected maximum and minimum temperatures in Hermanus during December?

During December, expect a variety of temperatures with highs around 21° and lows near 17°, suitable for diverse activities and preferences.

How much rainfall should be expected in Hermanus during December?

Expect minimal rainfall in Hermanus during December, with a total of 13.7 mm over approximately 6 days. This minimal precipitation is unlikely to significantly impact plans.

What are the typical wind conditions in Hermanus during December?

The average wind speed in Hermanus during December is 30 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Hermanus

Explore the daily rainfall trends and prepare for Hermanuss December weather 💧
Typically, Hermanus has 6 rainy days in December with a total of 13.7 mm of rainfall.

UV exposure in Hermanus during December

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

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Location coordinates Where is Hermanus?

Get accurate weather forecasts for Hermanus, located at latitude -34.419 and longitude 19.234. Stay updated with localized weather information tailored for Hermanus.

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