Knysna weather by month

Check out Knysna weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Knysna (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
73°F maximum daytime temperature in January in Knysna73
75°F maximum daytime temperature in February in Knysna75
72°F maximum daytime temperature in March in Knysna72
72°F maximum daytime temperature in April in Knysna72
68°F maximum daytime temperature in May in Knysna68
66°F maximum daytime temperature in June in Knysna66
64°F maximum daytime temperature in July in Knysna64
64°F maximum daytime temperature in August in Knysna64
64°F maximum daytime temperature in September in Knysna64
66°F maximum daytime temperature in October in Knysna66
70°F maximum daytime temperature in November in Knysna70
72°F maximum daytime temperature in December in Knysna72
Min temperature (night-time)
61°F minimum night-time temperature in January in Knysna61
61°F minimum night-time temperature in February in Knysna61
59°F minimum night-time temperature in March in Knysna59
57°F minimum night-time temperature in April in Knysna57
54°F minimum night-time temperature in May in Knysna54
50°F minimum night-time temperature in June in Knysna50
48°F minimum night-time temperature in July in Knysna48
50°F minimum night-time temperature in August in Knysna50
50°F minimum night-time temperature in September in Knysna50
54°F minimum night-time temperature in October in Knysna54
55°F minimum night-time temperature in November in Knysna55
59°F minimum night-time temperature in December in Knysna59
Heat & Humidity
No heat & humidity in January in Knysna0
No heat & humidity in February in Knysna0
No heat & humidity in March in Knysna0
No heat & humidity in April in Knysna0
No heat & humidity in May in Knysna0
No heat & humidity in June in Knysna0
No heat & humidity in July in Knysna0
No heat & humidity in August in Knysna0
No heat & humidity in September in Knysna0
No heat & humidity in October in Knysna0
No heat & humidity in November in Knysna0
No heat & humidity in December in Knysna0
Sea temperature
70°F sea temperature in January in Knysna70
70°F sea temperature in February in Knysna70
68°F sea temperature in March in Knysna68
66°F sea temperature in April in Knysna66
64°F sea temperature in May in Knysna64
63°F sea temperature in June in Knysna63
63°F sea temperature in July in Knysna63
63°F sea temperature in August in Knysna63
63°F sea temperature in September in Knysna63
63°F sea temperature in October in Knysna63
66°F sea temperature in November in Knysna66
68°F sea temperature in December in Knysna68

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Knysna

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
14 hours of daylight per day in January in Knysna14
13 hours of daylight per day in February in Knysna13
12 hours of daylight per day in March in Knysna12
11 hours of daylight per day in April in Knysna11
10 hours of daylight per day in May in Knysna10
10 hours of daylight per day in June in Knysna10
10 hours of daylight per day in July in Knysna10
11 hours of daylight per day in August in Knysna11
12 hours of daylight per day in September in Knysna12
13 hours of daylight per day in October in Knysna13
14 hours of daylight per day in November in Knysna14
14 hours of daylight per day in December in Knysna14
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Knysna11
UV (maximum) index 11 (Extreme) in February in Knysna11
UV (maximum) index 9 (Very High) in March in Knysna9
UV (maximum) index 6 (High) in April in Knysna6
UV (maximum) index 3 (Moderate) in May in Knysna3
UV (maximum) index 3 (Moderate) in June in Knysna3
UV (maximum) index 3 (Moderate) in July in Knysna3
UV (maximum) index 4 (Moderate) in August in Knysna4
UV (maximum) index 6 (High) in September in Knysna6
UV (maximum) index 8 (Very High) in October in Knysna8
UV (maximum) index 11 (Extreme) in November in Knysna11
UV (maximum) index 11+ (Extreme) in December in Knysna11

Rainfall in Knysna

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Knysna10
10 days with some rainfall in February in Knysna10
10 days with some rainfall in March in Knysna10
9 days with some rainfall in April in Knysna9
9 days with some rainfall in May in Knysna9
9 days with some rainfall in June in Knysna9
8 days with some rainfall in July in Knysna8
10 days with some rainfall in August in Knysna10
11 days with some rainfall in September in Knysna11
12 days with some rainfall in October in Knysna12
10 days with some rainfall in November in Knysna10
11 days with some rainfall in December in Knysna11
Average monthly rainfall (inches)
2.7 inches monthly rainfall in January in Knysna2.7
2.4 inches monthly rainfall in February in Knysna2.4
2.9 inches monthly rainfall in March in Knysna2.9
3.1 inches monthly rainfall in April in Knysna3.1
2.8 inches monthly rainfall in May in Knysna2.8
2.7 inches monthly rainfall in June in Knysna2.7
2.6 inches monthly rainfall in July in Knysna2.6
3.7 inches monthly rainfall in August in Knysna3.7
3.0 inches monthly rainfall in September in Knysna3.0
3.5 inches monthly rainfall in October in Knysna3.5
2.9 inches monthly rainfall in November in Knysna2.9
2.6 inches monthly rainfall in December in Knysna2.6

More about Knysna

Knysna by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for South Africa (Knysna) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Knysna?

Knysna has a temperate climate with warm summers and some rainfall in all months.

Knysna weather in January

Expect daytime maximum temperatures of 73°F in Knysna, South Africa in January based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 2.7 inches of rainfall in the month.

  • 73°F maximum daytime temperature in January in Knysna73
    73°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in January in Knysna10
    10 days with some rainfall
  • 61°F minimum night-time temperature in January in Knysna61
    61°F min night temperature
  • 14 hours of daylight per day in January in Knysna14
    14 hours of daylight per day
  • No heat & humidity in January in Knysna0
    No heat & humidity
  • 2.7 inches monthly rainfall in January in Knysna2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Knysna11
    11+ (Extreme) UV index
  • 70°F sea temperature in January in Knysna70
    70°F sea temperature

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Knysna weather in February

Expect daytime maximum temperatures of 75°F in Knysna, South Africa in February based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 2.4 inches of rainfall in the month.

  • 75°F maximum daytime temperature in February in Knysna75
    75°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in February in Knysna10
    10 days with some rainfall
  • 61°F minimum night-time temperature in February in Knysna61
    61°F min night temperature
  • 13 hours of daylight per day in February in Knysna13
    13 hours of daylight per day
  • No heat & humidity in February in Knysna0
    No heat & humidity
  • 2.4 inches monthly rainfall in February in Knysna2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in February in Knysna11
    11 (Extreme) UV index
  • 70°F sea temperature in February in Knysna70
    70°F sea temperature

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Knysna weather in March

Expect daytime maximum temperatures of 72°F in Knysna, South Africa in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 2.9 inches of rainfall in the month.

  • 72°F maximum daytime temperature in March in Knysna72
    72°F max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in March in Knysna10
    10 days with some rainfall
  • 59°F minimum night-time temperature in March in Knysna59
    59°F min night temperature
  • 12 hours of daylight per day in March in Knysna12
    12 hours of daylight per day
  • No heat & humidity in March in Knysna0
    No heat & humidity
  • 2.9 inches monthly rainfall in March in Knysna2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in March in Knysna9
    9 (Very High) UV index
  • 68°F sea temperature in March in Knysna68
    68°F sea temperature

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Knysna weather in April

Expect daytime maximum temperatures of 72°F in Knysna, South Africa in April based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.1 inches of rainfall in the month.

  • 72°F maximum daytime temperature in April in Knysna72
    72°F max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in April in Knysna9
    9 days with some rainfall
  • 57°F minimum night-time temperature in April in Knysna57
    57°F min night temperature
  • 11 hours of daylight per day in April in Knysna11
    11 hours of daylight per day
  • No heat & humidity in April in Knysna0
    No heat & humidity
  • 3.1 inches monthly rainfall in April in Knysna3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 6 (High) in April in Knysna6
    6 (High) UV index
  • 66°F sea temperature in April in Knysna66
    66°F sea temperature

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Knysna weather in May

Expect daytime maximum temperatures of 68°F in Knysna, South Africa in May based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.8 inches of rainfall in the month.

  • 68°F maximum daytime temperature in May in Knysna68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in May in Knysna9
    9 days with some rainfall
  • 54°F minimum night-time temperature in May in Knysna54
    54°F min night temperature
  • 10 hours of daylight per day in May in Knysna10
    10 hours of daylight per day
  • No heat & humidity in May in Knysna0
    No heat & humidity
  • 2.8 inches monthly rainfall in May in Knysna2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in May in Knysna3
    3 (Moderate) UV index
  • 64°F sea temperature in May in Knysna64
    64°F sea temperature

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Knysna weather in June

Expect daytime maximum temperatures of 66°F in Knysna, South Africa in June based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.7 inches of rainfall in the month.

  • 66°F maximum daytime temperature in June in Knysna66
    66°F max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in June in Knysna9
    9 days with some rainfall
  • 50°F minimum night-time temperature in June in Knysna50
    50°F min night temperature
  • 10 hours of daylight per day in June in Knysna10
    10 hours of daylight per day
  • No heat & humidity in June in Knysna0
    No heat & humidity
  • 2.7 inches monthly rainfall in June in Knysna2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in June in Knysna3
    3 (Moderate) UV index
  • 63°F sea temperature in June in Knysna63
    63°F sea temperature

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Knysna weather in July

Expect daytime maximum temperatures of 64°F in Knysna, South Africa in July based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.6 inches of rainfall in the month.

  • 64°F maximum daytime temperature in July in Knysna64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in July in Knysna8
    8 days with some rainfall
  • 48°F minimum night-time temperature in July in Knysna48
    48°F min night temperature
  • 10 hours of daylight per day in July in Knysna10
    10 hours of daylight per day
  • No heat & humidity in July in Knysna0
    No heat & humidity
  • 2.6 inches monthly rainfall in July in Knysna2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in July in Knysna3
    3 (Moderate) UV index
  • 63°F sea temperature in July in Knysna63
    63°F sea temperature

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Knysna weather in August

Expect daytime maximum temperatures of 64°F in Knysna, South Africa in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 3.7 inches of rainfall in the month.

  • 64°F maximum daytime temperature in August in Knysna64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in August in Knysna10
    10 days with some rainfall
  • 50°F minimum night-time temperature in August in Knysna50
    50°F min night temperature
  • 11 hours of daylight per day in August in Knysna11
    11 hours of daylight per day
  • No heat & humidity in August in Knysna0
    No heat & humidity
  • 3.7 inches monthly rainfall in August in Knysna3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in Knysna4
    4 (Moderate) UV index
  • 63°F sea temperature in August in Knysna63
    63°F sea temperature

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Knysna weather in September

Expect daytime maximum temperatures of 64°F in Knysna, South Africa in September based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 3.0 inches of rainfall in the month.

  • 64°F maximum daytime temperature in September in Knysna64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in September in Knysna11
    11 days with some rainfall
  • 50°F minimum night-time temperature in September in Knysna50
    50°F min night temperature
  • 12 hours of daylight per day in September in Knysna12
    12 hours of daylight per day
  • No heat & humidity in September in Knysna0
    No heat & humidity
  • 3.0 inches monthly rainfall in September in Knysna3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Knysna6
    6 (High) UV index
  • 63°F sea temperature in September in Knysna63
    63°F sea temperature

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Knysna weather in October

Expect daytime maximum temperatures of 66°F in Knysna, South Africa in October based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 66°F maximum daytime temperature in October in Knysna66
    66°F max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in October in Knysna12
    12 days with some rainfall
  • 54°F minimum night-time temperature in October in Knysna54
    54°F min night temperature
  • 13 hours of daylight per day in October in Knysna13
    13 hours of daylight per day
  • No heat & humidity in October in Knysna0
    No heat & humidity
  • 3.5 inches monthly rainfall in October in Knysna3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in October in Knysna8
    8 (Very High) UV index
  • 63°F sea temperature in October in Knysna63
    63°F sea temperature

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Knysna weather in November

Expect daytime maximum temperatures of 70°F in Knysna, South Africa in November based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 2.9 inches of rainfall in the month.

  • 70°F maximum daytime temperature in November in Knysna70
    70°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in November in Knysna10
    10 days with some rainfall
  • 55°F minimum night-time temperature in November in Knysna55
    55°F min night temperature
  • 14 hours of daylight per day in November in Knysna14
    14 hours of daylight per day
  • No heat & humidity in November in Knysna0
    No heat & humidity
  • 2.9 inches monthly rainfall in November in Knysna2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in November in Knysna11
    11 (Extreme) UV index
  • 66°F sea temperature in November in Knysna66
    66°F sea temperature

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Knysna weather in December

Expect daytime maximum temperatures of 72°F in Knysna, South Africa in December based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 2.6 inches of rainfall in the month.

  • 72°F maximum daytime temperature in December in Knysna72
    72°F max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in December in Knysna11
    11 days with some rainfall
  • 59°F minimum night-time temperature in December in Knysna59
    59°F min night temperature
  • 14 hours of daylight per day in December in Knysna14
    14 hours of daylight per day
  • No heat & humidity in December in Knysna0
    No heat & humidity
  • 2.6 inches monthly rainfall in December in Knysna2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Knysna11
    11+ (Extreme) UV index
  • 68°F sea temperature in December in Knysna68
    68°F sea temperature

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More about Knysna

Knysna by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Africa

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The climate guide for South Africa (Knysna) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Compare Knysna weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Knysna, South Africa and the UK (London).

Maximum daytime temperature (°F)

Knysna, South Africa
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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