January weather forecast
Graskop, South Africa

January

Weather in January

January, like December, in Graskop, South Africa, is a moderately hot summer month, with an average temperature varying between 24.5°C (76.1°F) and 14.8°C (58.6°F).

Temperature

January welcomes an average high-temperature of a still moderately hot 24.5°C (76.1°F), not much different from the preceding month. Graskop in January experiences a low-temperature average of 14.8°C (58.6°F).

Humidity

January through March, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Graskop, during January, the rain falls for 24.4 days and regularly aggregates up to 126mm (4.96") of precipitation. Throughout the year, in Graskop, South Africa, there are 169.8 rainfall days, and 675mm (26.57") of precipitation is accumulated.

Daylight

In Graskop, the average length of the day in January is 13h and 29min.
On the first day of the month, sunrise is at 05:10 and sunset at 18:49. On the last day of January, sunrise is at 05:32 and sunset at 18:47 SAST.

Sunshine

In January, the average sunshine is 9.4h.

UV index

January through April, August through December, with an average maximum UV index of 5, are months with the highest UV index in Graskop. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 5 in January translates into these instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What is the usual temperature for Graskop in January?
In January, in Graskop, the average high-temperature is 24.5°C (76.1°F), and the average low-temperature is 14.8°C (58.6°F).
What is the most humid month in Graskop?
January through March, with an average relative humidity of 80%, are most humid months in Graskop.
What is the average humidity in January in Graskop?
In January, the average relative humidity in Graskop, South Africa, is 80%.
How much does it rain in Graskop in January?
In Graskop, in January, during 24.4 rainfall days, 126mm (4.96") of precipitation is typically accumulated.
How many hours of daylight does Graskop have in January?
The average day length in January in Graskop, South Africa, is 13h and 29min.
When are sunrise and sunset in January in Graskop?
On the first day of January, sunrise is at 05:10 and sunset at 18:49. On the last day of the month, sunrise is at 05:32 and sunset at 18:47 SAST.
How long on average sun shines in January in Graskop?
In January, the average sunshine duration in Graskop is 9.4h.
What are the months with the highest UV index in Graskop?
January through April, August through December, with an average maximum UV index of 5, are months with the highest UV index in Graskop.
What is the UV index reading in January in Graskop?
In January, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Graskop, South Africa
  • Average high temperature in January: 24.5°C

The warmest month (with the highest average high temperature) is December (24.9°C).
The month with the lowest average high temperature is July (17.8°C).

  • Average low temperature in January: 14.8°C

The month with the highest average low temperature is December (15°C).
The coldest month (with the lowest average low temperature) is July (4.4°C).

Average pressure in January
Graskop, South Africa
  • Average pressure in January: 1013.8mbar

The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is January (1013.8mbar).

Average wind speed in January
Graskop, South Africa
  • Average wind speed in January: 6.4km/h

The windiest months (with the highest average wind speed) are September and October (7.6km/h).
The calmest months (with the lowest average wind speed) are March and May (5.9km/h).

Average humidity in January
Graskop, South Africa
  • Average humidity in January: 80%

The months with the highest relative humidity are January, February and March (80%).
The month with the lowest relative humidity is September (55%).

Average rainfall in January
Graskop, South Africa
  • Average rainfall in January: 126mm

The wettest month (with the highest rainfall) is December (136mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in January
Graskop, South Africa
  • Average rainfall days in January: 24.4 days

The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is June (2.5 days).

Average daylight in January /
Average sunshine in January
Graskop, South Africa
  • Average daylight in January: 13h and 3min

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

  • Average sunshine in January: 9h and 2min

The month with the most sunshine is November (Average sunshine: 10h and 24min).
The month with the least sunshine is April (Average sunshine: 6h and 48min).

Average sunshine days in January
Graskop, South Africa
  • Average sunshine days in January: 4.8 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is December (2.8 days).

Average UV index in January
Graskop, South Africa
  • Average UV index in January: 5

The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 5).
The months with the lowest UV index are May, June and July (UV index 4).

Average cloud cover in January
Graskop, South Africa
  • Average cloud cover in January: 51

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 14).

Average visibility in January
Graskop, South Africa
  • Average visibility in January: 7km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (7km).

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