Knysna
May
Weather in Knysna for May 2026
Your guide to Knysna weather in May - trends and predictions
In general, the average temperature in Knysna at the beginning of May is 18.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 20.4 °C by the end of May.
With an average of 5 rainy days, Knysna experiences minimal rainfall in May.
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Temperatures
Rain 🌧️
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26
Dry days
5
Rainy days
0
Snow days
20°/12°
Temperatures
17 km/h
Avg max wind
67 %
Avg humidity
Knysna Weather May
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Temperatures trend during May in Knysna
See the weather trend as well as the moving average line
May weather in Knysna day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate rain at times | 17° /11° | 3.5 mm | 5 | |
| 2 May |  Patchy rain possible | 13° /10° | 1.8 mm | 4 | |
| 3 May |  Cloudy | 17° /11° | 0 mm | 5 | |
| 4 May |  Sunny | 20° /8° | 0 mm | 7 | |
| 5 May | Sunny | 24° /12° | 0 mm | 7 | |
| 6 May | Sunny | 18° /12° | 0 mm | 6 | |
| 7 May | Cloudy | 18° /12° | 0 mm | 5 | |
| 8 May | Sunny | 19° /12° | 0 mm | 6 | |
| 9 May |  Overcast | 22° /11° | 0 mm | 6 | |
| 10 May | Overcast | 22° /11° | 0 mm | 6 | |
| 11 May | Overcast | 16° /11° | 0.2 mm | 5 | |
| 12 May | Sunny | 18° /11° | 0 mm | 6 | |
| 13 May | Sunny | 20° /9° | 0 mm | 7 | |
| 14 May | Sunny | 22° /11° | 0 mm | 7 | |
| 15 May | Sunny | 22° /11° | 0 mm | 7 | |
| 16 May | Sunny | 28° /13° | 0 mm | 8 | |
| 17 May | Sunny | 22° /17° | 0 mm | 7 | |
| 18 May | Overcast | 25° /16° | 0.1 mm | 7 | |
| 19 May |  Partly cloudy | 23° /14° | 0 mm | 7 | |
| 20 May | Patchy rain possible | 20° /11° | 2.4 mm | 6 | |
| 21 May | Patchy rain possible | 17° /11° | 6.7 mm | 5 | |
| 22 May | Cloudy | 19° /10° | 0.1 mm | 5 | |
| 23 May | Sunny | 18° /8° | 0 mm | 6 | |
| 24 May | Sunny | 25° /12° | 0 mm | 8 | |
| 25 May | Sunny | 25° /14° | 0 mm | 8 | |
| 26 May | Light rain shower | 18° /14° | 2.3 mm | 5 | |
| 27 May | Patchy rain possible | 18° /13° | 0.2 mm | 5 | |
| 28 May | Sunny | 26° /15° | 0 mm | 8 | |
| 29 May | Patchy rain possible | 18° /14° | 0.1 mm | 5 | |
| 30 May | Cloudy | 19° /13° | 0 mm | 5 | |
| 31 May | 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.
Change Month
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 💧
UV exposure in Knysna during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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