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Weather in Knysna for May 2026

Your guide to Knysna weather in May - trends and predictions

    Temperatures

  • The forecast for the first days of May 2026 in Knysna predicts temperatures to be around 20 °C, close to the historical average.

  • In general, the average temperature in Knysna at the beginning of May is 20.6 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 20.4 °C by the end of May.

    • Rain 🌧️

  • With an average of 5 rainy days, Knysna experiences minimal rainfall in May.

    • More

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

Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/12°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
67 %
Avg humidity

Knysna Weather May

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

Temperatures trend during May in Knysna

See the weather trend as well as the moving average line

May weather in Knysna day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Sunny
Sunny
 19° /11° 0 mm 4.7
2 May Partly cloudy
Partly cloudy
 24° /14° 0 mm 4.5
3 May Sunny
Sunny
 26° /16° 0 mm 4.7
4 May Patchy rain possible
Patchy rain possible
 22° /15° 2.2 mm 2.1
5 May Patchy rain possible
Patchy rain possible
 19° /13° 0.1 mm 5
6 May Moderate rain
Moderate rain
 18° /12° 12.9 mm 4
7 May Moderate rain
Moderate rain
 16° /12° 11 mm 4
8 May Partly cloudy
Partly cloudy
 17° /11° 0.1 mm 5
9 May Sunny
Sunny
 17° /11° 0 mm 5
10 May Sunny
Sunny
 18° /11° 0 mm 5
11 May Sunny
Sunny
 20° /12° 0 mm 6
12 May Sunny
Sunny
 20° /14° 0 mm 6
13 May Sunny
Sunny
 22° /14° 0 mm 6
14 May Sunny
Sunny
 22° /11° 0 mm 7
15 May Sunny
Sunny
 22° /11° 0 mm 7
16 May Sunny
Sunny
 28° /13° 0 mm 8
17 May Sunny
Sunny
 22° /17° 0 mm 7
18 May Overcast
Overcast
 25° /16° 0.1 mm 7
19 May Partly cloudy
Partly cloudy
 23° /14° 0 mm 7
20 May Patchy rain possible
Patchy rain possible
 20° /11° 2.4 mm 6
21 May Patchy rain possible
Patchy rain possible
 17° /11° 6.7 mm 5
22 May Cloudy
Cloudy
 19° /10° 0.1 mm 5
23 May Sunny
Sunny
 18° /8° 0 mm 6
24 May Sunny
Sunny
 25° /12° 0 mm 8
25 May Sunny
Sunny
 25° /14° 0 mm 8
26 May Light rain shower
Light rain shower
 18° /14° 2.3 mm 5
27 May Patchy rain possible
Patchy rain possible
 18° /13° 0.2 mm 5
28 May Sunny
Sunny
 26° /15° 0 mm 8
29 May Patchy rain possible
Patchy rain possible
 18° /14° 0.1 mm 5
30 May Cloudy
Cloudy
 19° /13° 0 mm 5
31 May Sunny
Sunny
 19° /12° 0 mm 6
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Important Notice
Our weather forecast for Knysna in May 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 May - FAQ

What are the expected maximum and minimum temperatures in Knysna during May?

Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Knysna during May?

Expect minimal rainfall in Knysna during May, with a total of 17.4 mm over approximately 5 days. This minimal precipitation is unlikely to significantly impact plans.

What are the typical wind conditions in Knysna during May?

The average wind speed in Knysna during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Knysna

Explore the daily rainfall trends and prepare for Knysnas May weather 💧
Typically, Knysna has 5 rainy days in May with a total of 17.4 mm of rainfall.

UV exposure in Knysna during May

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

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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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