Knysna, South Africa: Annual Weather Averages
February is the hottest month in Knysna with an average temperature of 72°F (22°C) and the coldest is July at 60°F (15°C) with the most daily sunshine hours at 11 in August. The wettest month is November with an average of 49.6mm of rain. The best month to swim in the sea is in February when the average sea temperature is 73°F (23°C).
Average Temperature: Knysna
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 22 | 22 | 21 | 20 | 18 | 16 | 15 | 16 | 17 | 18 | 19 | 21 |
| °F | 72 | 72 | 70 | 68 | 64 | 61 | 59 | 61 | 63 | 64 | 66 | 70 |
Average High/Low Temperature: Knysna
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 26 | 26 | 25 | 24 | 23 | 21 | 21 | 21 | 21 | 22 | 23 | 25 |
| High °F | 79 | 79 | 77 | 75 | 73 | 70 | 70 | 70 | 70 | 72 | 73 | 77 |
| Low °C | 18 | 19 | 18 | 15 | 13 | 11 | 10 | 11 | 12 | 14 | 16 | 17 |
| Low °F | 64 | 66 | 64 | 59 | 55 | 52 | 50 | 52 | 54 | 57 | 61 | 63 |
Average Rainfall: Knysna
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 32 | 37 | 43 | 49 | 36 | 38 | 9 | 13 | 45 | 37 | 50 | 39 |
| Days | 20 | 17 | 18 | 19 | 22 | 19 | 21 | 18 | 18 | 17 | 17 | 19 |
Average Daily Sunshine Hours: Knysna
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 6 | 6 | 7 | 9 | 10 | 11 | 11 | 11 | 9 | 7 | 6 | 6 |
Average Sea Temperature: Knysna
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 22 | 23 | 22 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 20 | 21 |
| °F | 72 | 73 | 72 | 70 | 68 | 66 | 66 | 64 | 64 | 64 | 68 | 70 |