Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, recording an average high temperature of 26.6°C (79.9°F) and a low temperature of 15.1°C (59.2°F), is Grootvlei's warmest month.Humidity
January and February, with an average relative humidity of 68%, are the most humid months in Grootvlei.Rainfall
In Grootvlei, in January, it is raining for 20.4 days, with typically 86mm (3.39") of accumulated precipitation. In Grootvlei, during the entire year, the rain falls for 120.9 days and collects up to 449mm (17.68") of precipitation.Daylight
In Grootvlei, the average length of the day in January is 13h and 36min.On the first day of January in Grootvlei, South Africa, sunrise is at 05:15 and sunset at 19:03. On the last day of the month, sunrise is at 05:38 and sunset at 18:59 SAST.
Sunshine
In January, the average sunshine in Grootvlei is 11.1h.UV index
January, October and November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In January, a regular UV index of 6 translates into these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the hottest time of year in Grootvlei?
What are January temperatures in Grootvlei?
What is the most humid month in Grootvlei?
What is the average humidity in January in Grootvlei?
How many days does it rain in January in Grootvlei?
What is the average length of the day in January in Grootvlei?
When are sunrise and sunset in January in Grootvlei?
How long on average sun shines in January in Grootvlei?
What are the months with the highest UV index in Grootvlei?
What is the UV index reading in January in Grootvlei?
Average temperature in January
Grootvlei, South Africa
- Average high temperature in January: 26.6°C
The warmest month (with the highest average high temperature) is January (26.6°C).
The month with the lowest average high temperature is July (17.3°C).
- Average low temperature in January: 15.1°C
The month with the highest average low temperature is December (15.5°C).
The coldest month (with the lowest average low temperature) is July (5.2°C).
Average pressure in January
Grootvlei, South Africa
- Average pressure in January: 1013.6mbar
The month with the highest atmospheric pressure is July (1024.8mbar).
The month with the lowest atmospheric pressure is January (1013.6mbar).
Average wind speed in January
Grootvlei, South Africa
- Average wind speed in January: 9.2km/h
The windiest months (with the highest average wind speed) are September and October (12.1km/h).
The calmest months (with the lowest average wind speed) are March and May (8.3km/h).
Average humidity in January
Grootvlei, South Africa
- Average humidity in January: 68%
The months with the highest relative humidity are January and February (68%).
The month with the lowest relative humidity is September (35%).
Average rainfall in January
Grootvlei, South Africa
- Average rainfall in January: 86mm
The wettest month (with the highest rainfall) is December (93mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in January
Grootvlei, South Africa
- Average rainfall days in January: 20.4 days
The month with the highest number of rainy days is January (20.4 days).
The month with the least rainy days is June (1.5 days).
Average daylight in January /
Average sunshine in January
Grootvlei, South Africa
- Average daylight in January: 13h and 4min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in January: 11h and 1min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in January
Grootvlei, South Africa
- Average sunshine days in January: 7.8 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in January
Grootvlei, South Africa
- Average UV index in January: 6
The months with the highest UV index are January, October and November (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in January
Grootvlei, South Africa
- Average cloud cover in January: 30
The month with the most cloud cover is January (Cloud cover 30).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in January
Grootvlei, South Africa
- Average visibility in January: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).
Grootvlei, South Africa
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