January weather forecast
Glenwood, South Africa

January

Weather in January

January, like December, in Glenwood, South Africa, is another warm summer month, with an average temperature fluctuating between 26.3°C (79.3°F) and 19.8°C (67.6°F).

Temperature

January reports an average high-temperature of a still warm 26.3°C (79.3°F), slightly varied from December's 25°C (77°F). January brings an average low-temperature of 19.8°C (67.6°F) to Glenwood.

Humidity

In Glenwood, the average relative humidity in January is 82%.

Rainfall

In Glenwood, during January, the rain falls for 20.8 days and regularly aggregates up to 66mm (2.6") of precipitation. In Glenwood, during the entire year, the rain falls for 172.9 days and collects up to 545mm (21.46") of precipitation.

Daylight

The average length of the day in January is 13h and 49min.
On the first day of January, sunrise is at 04:58 and sunset at 19:00. On the last day of the month, sunrise is at 05:23 and sunset at 18:55 SAST.

Sunshine

In January, the average sunshine is 8h.

UV index

January through March and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in January translates into the following instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What is the average January temperature in Glenwood?
The average high-temperature and low-temperature during January are 26.3°C (79.3°F) and 19.8°C (67.6°F) respectively.
What is the average humidity in January in Glenwood?
The average relative humidity in January in Glenwood, South Africa, is 82%.
How many days does it rain in January in Glenwood?
In Glenwood, South Africa, in January, during 20.8 rainfall days, 66mm (2.6") of precipitation is typically accumulated.
How many hours of daylight does Glenwood have in January?
In January, the average day length in Glenwood is 13h and 49min.
When is the sunrise / sunset in January in Glenwood?
In January, on the first day of the month, sunrise is at 04:58 and sunset at 19:00. On the last day of the month, in Glenwood, sunrise is at 05:23 and sunset at 18:55 SAST.
How many hours of sunshine does Glenwood have in January?
In January, the average sunshine duration is 8h.
What is the month with the highest UV index in Glenwood?
The months with the highest UV index in Glenwood, South Africa, are January through March and December, with an average maximum UV index of 6.
What is the UV index reading in January in Glenwood?
In Glenwood, South Africa, the average daily maximum UV index in January is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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 - Glenwood, South Africa
Average temperature in January
Glenwood, South Africa
  • Average high temperature in January: 26.3°C

The warmest month (with the highest average high temperature) is February (26.6°C).
The month with the lowest average high temperature is July (21.2°C).

  • Average low temperature in January: 19.8°C

The month with the highest average low temperature is February (20°C).
The coldest month (with the lowest average low temperature) is July (13.2°C).

Average pressure in January - Glenwood, South Africa
Average pressure in January
Glenwood, South Africa
  • Average pressure in January: 1014.2mbar

The month with the highest atmospheric pressure is July (1023.2mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).

Average wind speed in January - Glenwood, South Africa
Average wind speed in January
Glenwood, South Africa
  • Average wind speed in January: 12.6km/h

The windiest month (with the highest average wind speed) is October (13.9km/h).
The calmest month (with the lowest average wind speed) is May (10.7km/h).

Average humidity in January - Glenwood, South Africa
Average humidity in January
Glenwood, South Africa
  • Average humidity in January: 82%

The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are June and July (64%).

Average rainfall in January - Glenwood, South Africa
Average rainfall in January
Glenwood, South Africa
  • Average rainfall in January: 66mm

The wettest month (with the highest rainfall) is December (78mm).
The driest month (with the least rainfall) is June (10mm).

Average rainfall days in January - Glenwood, South Africa
Average rainfall days in January
Glenwood, South Africa
  • Average rainfall days in January: 20.8 days

The month with the highest number of rainy days is December (21.7 days).
The month with the least rainy days is June (5.8 days).

Average daylight in January / Average sunshine in January - Glenwood, South Africa
Average daylight in January /
Average sunshine in January
Glenwood, South Africa
  • Average daylight in January: 13h and 5min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in January: 8h and 0min

The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 0min).

Average sunshine days in January - Glenwood, South Africa
Average sunshine days in January
Glenwood, South Africa
  • Average sunshine days in January: 8.2 days

The months with the most sunshine days are June and July (22.1 days).
The month with the least sunshine days is December (6.5 days).

Average UV index in January - Glenwood, South Africa
Average UV index in January
Glenwood, South Africa
  • Average UV index in January: 6

The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 5).

Average cloud cover in January - Glenwood, South Africa
Average cloud cover in January
Glenwood, South Africa
  • Average cloud cover in January: 51

The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 17).

Average visibility in January - Glenwood, South Africa
Average visibility in January
Glenwood, South Africa
  • Average visibility in January: 9km

The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).

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