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
January
Weather in January
Temperature
The warmest time of the year is January, with temperatures averaging a high of 29.1°C (84.4°F) and a low of 16.8°C (62.2°F).Heat index
For January, the heat index is estimated at 29°C (84.2°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The average relative humidity in January is 40%.Rainfall
January is the month with the most rainfall in Merweville, South Africa. Rain falls for 5.9 days and accumulates 21mm (0.83") of precipitation.Snowfall
In Merweville, snow does not fall in January through June, October through December.Daylight
The average length of the day in January in Merweville is 14h and 1min.On the first day of the month, sunrise is at 05:29 and sunset at 19:45. On the last day of January, in Merweville, sunrise is at 05:56 and sunset at 19:38 SAST.
Sunshine
January and November, with an average of 12h of sunshine, are months with the most sunshine in Merweville.UV index
January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In January, an average UV index of 6 transforms into the following instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Merweville?
Is it hot in Merweville during January?
What is the average humidity in January in Merweville?
What is the rainiest month in Merweville?
How many days does it rain in January in Merweville?
When it does not snow in Merweville?
How many hours of daylight does Merweville have in January?
What time are sunrise and sunset in January in Merweville?
What are the months with the most sunshine in Merweville?
How long on average sun shines in January in Merweville?
What are the months with the highest UV index in Merweville?
How high is the UV index in January in Merweville?
Average temperature in January
Merweville, South Africa
- Average high temperature in January: 29.1°C
The warmest month (with the highest average high temperature) is January (29.1°C).
The month with the lowest average high temperature is June (13.2°C).
- Average low temperature in January: 16.8°C
The months with the highest average low temperature are January and February (16.8°C).
The coldest month (with the lowest average low temperature) is July (3.9°C).
Average pressure in January
Merweville, South Africa
- Average pressure in January: 1011.7mbar
The month with the highest atmospheric pressure is July (1023.4mbar).
The month with the lowest atmospheric pressure is January (1011.7mbar).
Average wind speed in January
Merweville, South Africa
- Average wind speed in January: 17.5km/h
The windiest month (with the highest average wind speed) is June (19.2km/h).
The calmest month (with the lowest average wind speed) is March (15.8km/h).
Average humidity in January
Merweville, South Africa
- Average humidity in January: 40%
The month with the highest relative humidity is June (57%).
The month with the lowest relative humidity is November (36%).
Average rainfall in January
Merweville, South Africa
- Average rainfall in January: 21mm
The wettest month (with the highest rainfall) is January (21mm).
The driest month (with the least rainfall) is November (3mm).
Average rainfall days in January
Merweville, South Africa
- Average rainfall days in January: 5.9 days
The month with the highest number of rainy days is January (5.9 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in January
Merweville, South Africa
- Average snowfall in January: 0mm
The month with the highest snowfall is July (6mm).
The months with the least snowfall are January, February, March, April, May, June, October, November and December (0mm).
Average snowfall days in January
Merweville, South Africa
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is July (0.8 days).
The months with the least snowfall days are January, February, March, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Merweville, South Africa
- Average daylight in January: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in January: 12h and 0min
The months with the most sunshine are January and November (Average sunshine: 12h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 12min).
Average sunshine days in January
Merweville, South Africa
- Average sunshine days in January: 23.8 days
The month with the most sunshine days is May (27 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in January
Merweville, South Africa
- Average UV index in January: 6
The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in January
Merweville, South Africa
- Average cloud cover in January: 10
The month with the most cloud cover is June (Cloud cover 20).
The months with the least cloud cover are January, February and March (Cloud cover 10).
Average visibility in January
Merweville, 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).
