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
The transition from December to January sees average high-temperatures adjusting to a still warm 25.1°C (77.2°F), from a not significantly different 23.7°C (74.7°F). Grabouw, during January nights, observes an average temperature of 16.7°C (62.1°F).Humidity
The months with the lowest humidity are January, February, April and December, with an average relative humidity of 71%.Rainfall
In Grabouw, South Africa, in January, during 7.8 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, there are 125.4 rainfall days, and 489mm (19.25") of precipitation is accumulated.Daylight
The average length of the day in January is 14h and 8min.On the first day of the month, sunrise is at 05:35 and sunset at 19:59. On the last day of January, sunrise is at 06:03 and sunset at 19:51 SAST.
Sunshine
In January, the average sunshine is 11h.UV index
January, February and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 6 in January translates into the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the average January temperature in Grabouw?
What is the least humid month in Grabouw?
What is the average humidity in January in Grabouw?
How many days does it rain in January in Grabouw?
How many hours of daylight does Grabouw have in January?
When is the sunrise / sunset in January in Grabouw?
How long on average sun shines in January in Grabouw?
When is the highest UV index in Grabouw?
What is the UV index reading in January in Grabouw?
Average temperature in January
Grabouw, South Africa
- Average high temperature in January: 25.1°C
The warmest month (with the highest average high temperature) is February (25.4°C).
The month with the lowest average high temperature is August (15.8°C).
- Average low temperature in January: 16.7°C
The month with the highest average low temperature is January (16.7°C).
The coldest month (with the lowest average low temperature) is August (9.3°C).
Average pressure in January
Grabouw, South Africa
- Average pressure in January: 1013.7mbar
The month with the highest atmospheric pressure is July (1022mbar).
The month with the lowest atmospheric pressure is February (1013.5mbar).
Average wind speed in January
Grabouw, South Africa
- Average wind speed in January: 16.7km/h
The windiest month (with the highest average wind speed) is November (17km/h).
The calmest month (with the lowest average wind speed) is May (13.8km/h).
Average humidity in January
Grabouw, South Africa
- Average humidity in January: 71%
The month with the highest relative humidity is September (77%).
The months with the lowest relative humidity are January, February, April and December (71%).
Average rainfall in January
Grabouw, South Africa
- Average rainfall in January: 15mm
The wettest month (with the highest rainfall) is June (105mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in January
Grabouw, South Africa
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is August (14.6 days).
The month with the least rainy days is February (6.4 days).
Average daylight in January /
Average sunshine in January
Grabouw, South Africa
- Average daylight in January: 14h and 1min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in January: 11h and 0min
The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in January
Grabouw, South Africa
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in January
Grabouw, South Africa
- Average UV index in January: 6
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September and October (UV index 4).
Average cloud cover in January
Grabouw, South Africa
- Average cloud cover in January: 18
The months with the most cloud cover are June and September (Cloud cover 34).
The month with the least cloud cover is February (Cloud cover 17).
Average visibility in January
Grabouw, South Africa
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Grabouw, South Africa
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