Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December is the month when Melville experiences its warmest temperatures, averaging a high of 27.5°C (81.5°F) and a low of 16.3°C (61.3°F).Heat index
The heat index in December is calculated to be 29°C (84.2°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical 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
In Melville, the average relative humidity in December is 60%.Rainfall
In Melville, in December, during 10.3 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Melville, during the entire year, the rain falls for 77.6 days and collects up to 262mm (10.31") of precipitation.Daylight
The month with the longest days in Melville is December, with an average of 13h and 42min of daylight.On the first day of the month, sunrise is at 05:07 and sunset at 18:46. On the last day of December, in Melville, sunrise is at 05:18 and sunset at 19:03 SAST.
Sunshine
In December, the average sunshine in Melville is 11.3h.UV index
In Melville, South Africa, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 5 during December, leads to the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Melville?
What is the average December temperature in Melville?
What is the average humidity in December in Melville?
How much does it rain in Melville in December?
When are the longest days in Melville?
How many hours of daylight does Melville have in December?
When is the sunrise / sunset in December in Melville?
How many hours of sunshine does Melville have in December?
What is the UV index intensity in December in Melville?
Average temperature in December
Melville, South Africa
- Average high temperature in December: 27.5°C
The warmest month (with the highest average high temperature) is December (27.5°C).
The month with the lowest average high temperature is July (17.9°C).
- Average low temperature in December: 16.3°C
The month with the highest average low temperature is January (16.6°C).
The coldest month (with the lowest average low temperature) is July (6.1°C).
Average pressure in December
Melville, South Africa
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in December
Melville, South Africa
- Average wind speed in December: 9.9km/h
The windiest month (with the highest average wind speed) is November (11.6km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).
Average humidity in December
Melville, South Africa
- Average humidity in December: 60%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is September (34%).
Average rainfall in December
Melville, South Africa
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is January (57mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in December
Melville, South Africa
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is January (13.2 days).
The month with the least rainy days is July (1.4 days).
Average daylight in December /
Average sunshine in December
Melville, South Africa
- Average daylight in December: 13h and 4min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in December: 11h and 2min
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 December
Melville, South Africa
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is January (16.3 days).
Average UV index in December
Melville, South Africa
- Average UV index in December: 5
The months with the highest UV index are January, February, 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 December
Melville, South Africa
- Average cloud cover in December: 25
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Melville, South Africa
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
