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 snowfall in January
- Average snowfall 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 brings the highest temperatures, with an average high of 29.7°C (85.5°F) and an average low of 17.3°C (63.1°F).Heat index
In January, the average heat index is evaluated at 29°C (84.2°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
In Clanwilliam, the average relative humidity in January is 40%.Rainfall
In Clanwilliam, in January, it is raining for 3.6 days, with typically 10mm (0.39") of accumulated precipitation. Throughout the year, in Clanwilliam, South Africa, there are 54.8 rainfall days, and 114mm (4.49") of precipitation is accumulated.Snowfall
In Clanwilliam, snow does not fall in January through May, September through December.Daylight
The average length of the day in January is 13h and 59min.On the first day of January, sunrise is at 05:41 and sunset at 19:54. On the last day of the month, sunrise is at 06:07 and sunset at 19:47 SAST.
Sunshine
The average sunshine in January is 11.4h.UV index
In Clanwilliam, 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 exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 6 in January interprets into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What month is the hottest in Clanwilliam?
Is it hot in Clanwilliam during January?
What is the average humidity in January in Clanwilliam?
How much does it rain in Clanwilliam in January?
When it does not snow in Clanwilliam?
What is the average length of the day in January in Clanwilliam?
What time are sunrise and sunset in January in Clanwilliam?
How long on average sun shines in January in Clanwilliam?
What is the UV index intensity in January in Clanwilliam?
Average temperature in January
Clanwilliam, South Africa
- Average high temperature in January: 29.7°C
The warmest month (with the highest average high temperature) is January (29.7°C).
The months with the lowest average high temperature are June and July (15.1°C).
- Average low temperature in January: 17.3°C
The month with the highest average low temperature is February (17.7°C).
The coldest month (with the lowest average low temperature) is July (5.7°C).
Average pressure in January
Clanwilliam, South Africa
- Average pressure in January: 1011.6mbar
The month with the highest atmospheric pressure is July (1023mbar).
The month with the lowest atmospheric pressure is January (1011.6mbar).
Average wind speed in January
Clanwilliam, South Africa
- Average wind speed in January: 13.5km/h
The windiest month (with the highest average wind speed) is November (14.3km/h).
The calmest month (with the lowest average wind speed) is May (11.5km/h).
Average humidity in January
Clanwilliam, South Africa
- Average humidity in January: 40%
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (38%).
Average rainfall in January
Clanwilliam, South Africa
- Average rainfall in January: 10mm
The wettest month (with the highest rainfall) is June (15mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in January
Clanwilliam, South Africa
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is June (6.4 days).
The month with the least rainy days is November (2.8 days).
Average snowfall in January
Clanwilliam, South Africa
- Average snowfall in January: 0mm
The month with the highest snowfall is August (3mm).
The months with the least snowfall are January, February, March, April, May, September, October, November and December (0mm).
Average snowfall days in January
Clanwilliam, South Africa
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is August (0.5 days).
The months with the least snowfall days are January, February, March, April, May, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Clanwilliam, South Africa
- Average daylight in January: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in January: 11h and 2min
The month with the most sunshine is December (Average sunshine: 11h and 54min).
The month with the least sunshine is June (Average sunshine: 6h and 36min).
Average sunshine days in January
Clanwilliam, South Africa
- Average sunshine days in January: 25.5 days
The month with the most sunshine days is March (26.2 days).
The month with the least sunshine days is February (22.9 days).
Average UV index in January
Clanwilliam, South Africa
- Average UV index in January: 6
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in January
Clanwilliam, South Africa
- Average cloud cover in January: 8
The month with the most cloud cover is June (Cloud cover 26).
The months with the least cloud cover are January and February (Cloud cover 8).
Average visibility in January
Clanwilliam, 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).
Clanwilliam, South Africa
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