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Knysna Climate Guide
South Africa
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Maximum Daytime Temperature (°C)
Minimum Night-time Temperature (°C)
24
24 °C (75°F) Maximum Daytime Temperature in January
24
24 °C (75°F) Maximum Daytime Temperature in February
23
23 °C (73°F) Maximum Daytime Temperature in March
22
22 °C (72°F) Maximum Daytime Temperature in April
20
20 °C (68°F) Maximum Daytime Temperature in May
19
19 °C (66°F) Maximum Daytime Temperature in June
18
18 °C (64°F) Maximum Daytime Temperature in July
18
18 °C (64°F) Maximum Daytime Temperature in August
19
19 °C (66°F) Maximum Daytime Temperature in September
19
19 °C (66°F) Maximum Daytime Temperature in October
21
21 °C (70°F) Maximum Daytime Temperature in November
22
22 °C (72°F) Maximum Daytime Temperature in December
J F M A M J J A S O N D
16
16 °C (61°F) Minimum Night-time Temperature in January
16
16 °C (61°F) Minimum Night-time Temperature in February
15
15 °C (59°F) Minimum Night-time Temperature in March
14
14 °C (57°F) Minimum Night-time Temperature in April
12
12 °C (54°F) Minimum Night-time Temperature in May
10
10 °C (50°F) Minimum Night-time Temperature in June
9
9 °C (48°F) Minimum Night-time Temperature in July
10
10 °C (50°F) Minimum Night-time Temperature in August
10
10 °C (50°F) Minimum Night-time Temperature in September
12
12 °C (54°F) Minimum Night-time Temperature in October
13
13 °C (55°F) Minimum Night-time Temperature in November
15
15 °C (59°F) Minimum Night-time Temperature in December
J F M A M J J A S O N D
Hours of Sunshine
Hours of Daylight
9
9 Hours of Sunshine (64% of Daylight Hours) in January
8
8 Hours of Sunshine (63% of Daylight Hours) in February
7
7 Hours of Sunshine (60% of Daylight Hours) in March
7
7 Hours of Sunshine (60% of Daylight Hours) in April
6
6 Hours of Sunshine (61% of Daylight Hours) in May
6
6 Hours of Sunshine (61% of Daylight Hours) in June
7
7 Hours of Sunshine (64% of Daylight Hours) in July
7
7 Hours of Sunshine (64% of Daylight Hours) in August
7
7 Hours of Sunshine (58% of Daylight Hours) in September
8
8 Hours of Sunshine (58% of Daylight Hours) in October
8
8 Hours of Sunshine (60% of Daylight Hours) in November
9
9 Hours of Sunshine (64% of Daylight Hours) in December
J F M A M J J A S O N D
14
14 Hours of Daylight in January
13
13 Hours of Daylight in February
12
12 Hours of Daylight in March
11
11 Hours of Daylight in April
10
10 Hours of Daylight in May
10
10 Hours of Daylight in June
10
10 Hours of Daylight in July
11
11 Hours of Daylight in August
12
12 Hours of Daylight in September
13
13 Hours of Daylight in October
14
14 Hours of Daylight in November
14
14 Hours of Daylight in December
J F M A M J J A S O N D
Days with some Rain
Monthly Rainfall (mm)
9
9 Days with some Rain in January
9
9 Days with some Rain in February
10
10 Days with some Rain in March
9
9 Days with some Rain in April
8
8 Days with some Rain in May
9
9 Days with some Rain in June
8
8 Days with some Rain in July
10
10 Days with some Rain in August
9
9 Days with some Rain in September
11
11 Days with some Rain in October
10
10 Days with some Rain in November
9
9 Days with some Rain in December
J F M A M J J A S O N D
68
68 mm (2.7 inches) Monthly Rainfall in January
62
62 mm (2.4 inches) Monthly Rainfall in February
73
73 mm (2.9 inches) Monthly Rainfall in March
78
78 mm (3.1 inches) Monthly Rainfall in April
71
71 mm (2.8 inches) Monthly Rainfall in May
69
69 mm (2.7 inches) Monthly Rainfall in June
67
67 mm (2.6 inches) Monthly Rainfall in July
95
95 mm (3.7 inches) Monthly Rainfall in August
75
75 mm (3.0 inches) Monthly Rainfall in September
90
90 mm (3.5 inches) Monthly Rainfall in October
74
74 mm (2.9 inches) Monthly Rainfall in November
65
65 mm (2.6 inches) Monthly Rainfall in December
J F M A M J J A S O N D
Heat & Humidity / Chance of Frost
UV Index (Maximum)
-
No Heat & Humidity or Frost in January
-
No Heat & Humidity or Frost in February
-
No Heat & Humidity or Frost in March
-
No Heat & Humidity or Frost in April
-
No Heat & Humidity or Frost in May
-
No Heat & Humidity or Frost in June
-
No Heat & Humidity or Frost in July
-
No Heat & Humidity or Frost in August
-
No Heat & Humidity or Frost in September
-
No Heat & Humidity or Frost in October
-
No Heat & Humidity or Frost in November
-
No Heat & Humidity or Frost in December
J F M A M J J A S O N D
11
UV 11+ (Extreme) in January
11
UV 11 (Extreme) in February
9
UV 9 (Very High) in March
6
UV 6 (High) in April
3
UV 3 (Moderate) in May
3
UV 3 (Moderate) in June
3
UV 3 (Moderate) in July
4
UV 4 (Moderate) in August
6
UV 6 (High) in September
8
UV 8 (Very High) in October
11
UV 11 (Extreme) in November
11
UV 11+ (Extreme) in December
J F M A M J J A S O N D
Sea Temperature (°C)
22
22 °C (72°F) Sea Temperature in January
22
22 °C (72°F) Sea Temperature in February
22
22 °C (72°F) Sea Temperature in March
21
21 °C (70°F) Sea Temperature in April
20
20 °C (68°F) Sea Temperature in May
19
19 °C (66°F) Sea Temperature in June
18
18 °C (64°F) Sea Temperature in July
18
18 °C (64°F) Sea Temperature in August
18
18 °C (64°F) Sea Temperature in September
19
19 °C (66°F) Sea Temperature in October
20
20 °C (68°F) Sea Temperature in November
21
21 °C (70°F) Sea Temperature in December
J F M A M J J A S O N D
Knysna Climate Guide (Historical Weather Averages), South Africa
Elev: 0 m   Long: 023°04'E   Lat: 34°02'S
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