Knysna weather in April
South Africa

April in Knysna: nice, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Knysna · #497 of 1383 destinations to visit in April · comfort 82/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Knysna in April
Other months in Knysna
Knysna's forum calls January part of the warm, busy summer season, though a few visitors have found it wetter than the brochures suggest, with scattered rain days breaking up the sunshine rather than a fully dry stretch. Regulars still rate it a good month overall — just pack for the odd shower alongside the swimwear.
Add your own note from Knysna's card on the map.
Knysna climate normals — April
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 60°F | |
| Feels like (high) | 22°C / 72°F | |
| Sea temperature | 18°C / 64°F | 🧊 bracing |
| Rainfall | 39 mm / 1.5 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 11.2 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 25 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Knysna in April
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyTerm 1–2 (autumn) break in South Africa, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Knysna's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherKnysna's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
Nearby, and something's on
Within 300 km of Knysna — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Knysna?
Knysna in April — FAQ
- Is April a good time to visit Knysna?
- April in Knysna: nice, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Knysna on SeasonMap's comfort score (82/100).
- What is the weather like in Knysna in April?
- In April, Knysna averages a daily high of 22°C and a low of 15.3°C, with about 39.1 mm of rain over roughly 7.5 rainy days.
- What is the air quality in Knysna in April?
- Knysna has a mean US Air Quality Index of about 25 in April.
Other months in Knysna
Compare Knysna in April
Warmer or cooler than Knysna in April
Similar destinations in Southern Africa — April
Within 300 km: Port Elizabeth's Ironman African Championship on 19 Apr.