January weather forecast
Knysna, South Africa

Weather in January

January, like December, in Knysna, South Africa, is a moderately hot summer month, with an average temperature ranging between max 26°C (78.8°F) and min 15°C (59°F).

Temperature

January and February, with an average high-temperature of 26°C (78.8°F), are the warmest months.

Rainfall

In Knysna, it is raining for 14 days, with typically 62mm (2.44") of accumulated precipitation. In Knysna, during the entire year, the rain falls for 145 days and collects up to 719mm (28.31") of precipitation.

Sea temperature

January is the month with the warmest seawater, with an average sea temperature of 20.4°C (68.7°F).
Note: For most, swimming in 20.4°C (68.7°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in January in Knysna is 14h and 7min.
On the first day of January, sunrise is at 05:20 and sunset at 19:42. On the last day of the month, sunrise is at 05:48 and sunset at 19:34 SAST.

Sunshine

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

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 12 in January transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What are the warmest months in Knysna?

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

What is the temperature in January in Knysna?

In January, in Knysna, South Africa, the average high-temperature is 26°C (78.8°F), and the average low-temperature is 15°C (59°F).

How many days does it rain in January in Knysna?

In Knysna, in January, during 14 rainfall days, 62mm (2.44") of precipitation is typically accumulated.

What month is the sea warmest in Knysna?

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

What is the sea temperature in January in Knysna?

In Knysna, South Africa, in January, the average water temperature is 20.4°C (68.7°F). Swimming in 20.4°C (68.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in January in Knysna?

In Knysna, the average day length in January is 14h and 7min.

When are sunrise and sunset in January in Knysna?

In January, on the first day of the month, sunrise is at 05:20 and sunset at 19:42. On the last day of the month, in Knysna, sunrise is at 05:48 and sunset at 19:34 SAST.

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.

How many hours of sunshine does Knysna have in January?

The average sunshine duration in January in Knysna, South Africa, is 10h.

What are the months with the highest UV index in Knysna?

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

What is the UV index intensity in January in Knysna?

In January, the average daily maximum UV index is 12. A UV Index of 11, and more, symbolizes an extreme health threat from unprotected exposure to UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in January
Knysna, South Africa

Average temperature in January - Knysna, South Africa
  • Average high temperature in January: 26°C

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).

  • Average low temperature in January: 15°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 in January
Knysna, South Africa

Average rainfall in January - Knysna, South Africa
  • Average rainfall in January: 62.4mm

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 in January
Knysna, South Africa

Average rainfall days in January - Knysna, South Africa
  • Average rainfall days in January: 14 days

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 in January
Knysna, South Africa

Average sea temperature in January - Knysna, South Africa
  • Average sea temperature in January: 20.4°C

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 in January /
Average sunshine in January
Knysna, South Africa

Average daylight in January / Average sunshine in January - Knysna, South Africa
  • Average daylight in January: 14h and 7min

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).

  • Average sunshine in January: 10h

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 in January
Knysna, South Africa

Average UV index in January - Knysna, South Africa
  • Average UV index in January: 12

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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