Climate and monthly weather forecast
Knysna, South Africa

Weather in January

January, the same as December, is a moderately hot summer month in Knysna, South Africa, with an average temperature fluctuating between 26°C (78.8°F) and 15°C (59°F). January and February, with an average high-temperature of 26°C (78.8°F), are the warmest months. In Knysna, in January, during 14 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Weather in January »

Weather in February

The last month of the summer, February, is another warm month in Knysna, South Africa, with an average temperature fluctuating between 16°C (60.8°F) and 26°C (78.8°F). The warmest months are January and February, with an average high-temperature of 26°C (78.8°F). Weather in February »

Weather in March

March, the first month of the autumn in Knysna, is still a warm month, with an average temperature fluctuating between 15°C (59°F) and 25°C (77°F). In March, the average high-temperature is essentially the same as in February - a still moderately hot 25°C (77°F). Weather in March »

Weather in April

April, like March, in Knysna, South Africa, is another warm autumn month, with an average temperature varying between 24°C (75.2°F) and 12°C (53.6°F). In Knysna, the average high-temperature in April is relatively the same as in March - a still moderately hot 24°C (75.2°F). Weather in April »

Weather in May

May, the last month of the autumn in Knysna, is also a moderately hot month, with temperature in the range of an average low of 10°C (50°F) and an average high of 23°C (73.4°F). In May, the average high-temperature is relatively the same as in April - a still moderately hot 23°C (73.4°F). Weather in May »

Weather in June

The first month of the winter, June, is also an agreeable month in Knysna, South Africa, with an average temperature fluctuating between 21°C (69.8°F) and 8°C (46.4°F). The coldest months are June through September, with an average high-temperature of 21°C (69.8°F). Weather in June »

Weather in July

July, like June, is an agreeable winter month in Knysna, South Africa, with an average temperature fluctuating between 7°C (44.6°F) and 21°C (69.8°F). The coldest months are June through September, with an average high-temperature of 21°C (69.8°F). Weather in July »

Weather in August

August, the last month of the winter in Knysna, is another pleasant month, with temperature in the range of an average low of 8°C (46.4°F) and an average high of 21°C (69.8°F). June through September, with an average high-temperature of 21°C (69.8°F), are the coldest months. Weather in August »

Weather in September

The first month of the spring, September, is still a pleasant month in Knysna, South Africa, with temperature in the range of an average high of 21°C (69.8°F) and an average low of 9°C (48.2°F). The coldest months are June through September, with an average high-temperature of 21°C (69.8°F). Weather in September »

Weather in October

October, the same as September, in Knysna, South Africa, is another pleasant spring month, with temperature in the range of an average low of 11°C (51.8°F) and an average high of 22°C (71.6°F). In October, the average high-temperature is practically the same as in September - a still agreeable 22°C (71.6°F). Weather in October »

Weather in November

November, the last month of the spring in Knysna, is a warm month, with an average temperature ranging between max 23°C (73.4°F) and min 12°C (53.6°F). In November, the average high-temperature is essentially the same as in October - a warm 23°C (73.4°F). Weather in November »

Weather in December

December, the first month of the summer in Knysna, is also a moderately hot month, with an average temperature fluctuating between 25°C (77°F) and 14°C (57.2°F). In Knysna, the average high-temperature in December is almost the same as in November - a still moderately hot 25°C (77°F). Weather in December »
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FAQ

What are the warmest months in Knysna?

Warmest months in Knysna, South Africa, are January and February, with an average high-temperature of 26°C (78.8°F).

How much does it rain in Knysna?

Throughout the year, in Knysna, South Africa, there are 145 rainfall days, and 719mm (28.31") of precipitation is accumulated.

What is the month with the warmest sea water in Knysna?

January is the month with the warmest seawater in Knysna, with an average sea temperature of 20.4°C (68.7°F).

What are the months with the most sunshine in Knysna?

January and February, with an average of 10h of sunshine, are months with the most sunshine in Knysna.

When is the highest UV index in Knysna?

January and December, with an average maximum UV index of 12, are months with the highest UV index in Knysna, South Africa.

What is the month with the least sunshine in Knysna?

The months with the least sunshine are May and June, with an average of 7h of sunshine.

When is the lowest UV index in Knysna?

May through July, with an average maximum UV index of 3, are months with the lowest UV index in Knysna.

What is the coldest month in Knysna?

The coldest months in Knysna, South Africa, are June through September, with an average high-temperature of 21°C (69.8°F).

What is the driest month in Knysna?

June is the month with the least rainfall in Knysna, South Africa. Rain falls for 10 days and accumulates 32mm (1.26") of precipitation.

What is the month with the shortest days in Knysna?

With an average of 9h and 55min of daylight, June has the shortest days of the year in Knysna.

When is the sea coldest in Knysna?

The months with the coldest seawater in Knysna, South Africa, are July and August, with an average sea temperature of 16.8°C (62.2°F).

What is the rainiest month in Knysna?

The month with the most rainfall in Knysna is November, when the rain falls for 13 days and typically aggregates up to 94mm (3.7") of precipitation.

When are the longest days in Knysna?

December has the longest days of the year, with an average of 14h and 23min of daylight.

Is there Daylight Saving Time (DST) in Knysna?

Knysna, South Africa, does not observe Daylight Saving Time (DST). SAST timezone is used throughout the entire year.

Average temperature
Knysna, South Africa

Average temperature - Knysna, South Africa

The warmest months (with the highest average high temperature) are January and February (26°C).
The months with the lowest average high temperature are June, July, August and September (21°C).

The month with the highest average low temperature is February (16°C).
The coldest month (with the lowest average low temperature) is July (7°C).

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Average rainfall
Knysna, South Africa

Average rainfall - Knysna, South Africa

The wettest month (with the highest rainfall) is November (93.7mm).
The driest month (with the least rainfall) is June (31.7mm).

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Average rainfall days
Knysna, South Africa

Average rainfall days - Knysna, South Africa

The months with the highest number of rainy days are January, March and October (14 days).
The month with the least rainy days is May (9 days).

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Average sea temperature
Knysna, South Africa

Average sea temperature - Knysna, South Africa

The best month for swimming (with the highest average sea temperature) is January (20.4°C).
The coldest months (with the lowest average sea temperature) are July and August (16.8°C).

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Average daylight / Average sunshine
Knysna, South Africa

Average daylight / Average sunshine - Knysna, South Africa

The month with the longest days is December (Average daylight: 14h and 23min).
The month with the shortest days is June (Average daylight: 9h and 55min).

The months with the most sunshine are January and February (Average sunshine: 10h).
The months with the least sunshine are May and June (Average sunshine: 7h).

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Average UV index
Knysna, South Africa

Average UV index - Knysna, South Africa

The months with the highest UV index are January and December (UV index 12).
The months with the lowest UV index are May, June and July (UV index 3).

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