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
Weather in December
Temperature
The transition into December marks the average high-temperature at a still warm 28.9°C (84°F), differing minimally from November's 27°C (80.6°F). December nights in Somerset East present a stark temperature decrease to a comfortable 16.2°C (61.2°F).Heat index
For most parts of December, the heat index is computed to be a hot 31°C (87.8°F). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
January through March and December, with an average relative humidity of 58%, are the most humid months.Rainfall
In Somerset East, South Africa, in December, it is raining for 10.1 days, with typically 16mm (0.63") of accumulated precipitation. In Somerset East, during the entire year, the rain falls for 88.8 days and collects up to 181mm (7.13") of precipitation.Daylight
December has the longest days of the year in Somerset East, with an average of 14h and 18min of daylight.On the first day of December, sunrise is at 05:02 and sunset at 19:11. On the last day of the month, sunrise is at 05:12 and sunset at 19:28 SAST.
Sunshine
In Somerset East, the average sunshine in December is 10.8h.UV index
The months with the highest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 6 in December suggests the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
Is it hot in Somerset East during December?
What are the most humid months in Somerset East?
What is the average humidity in December in Somerset East?
How much does it rain in Somerset East in December?
When are the longest days in Somerset East?
What is the average length of the day in December in Somerset East?
What time are sunrise and sunset in December in Somerset East?
How long on average sun shines in December in Somerset East?
What is the month with the highest UV index in Somerset East?
What is the UV index intensity in December in Somerset East?
Average temperature in December
Somerset East, South Africa
- Average high temperature in December: 28.9°C
The warmest month (with the highest average high temperature) is January (30.5°C).
The month with the lowest average high temperature is June (19.1°C).
- Average low temperature in December: 16.2°C
The month with the highest average low temperature is February (18°C).
The coldest month (with the lowest average low temperature) is July (8.5°C).
Average pressure in December
Somerset East, South Africa
- Average pressure in December: 1013.5mbar
The month with the highest atmospheric pressure is July (1022.9mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in December
Somerset East, South Africa
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is December (14.7km/h).
The calmest months (with the lowest average wind speed) are April and May (11km/h).
Average humidity in December
Somerset East, South Africa
- Average humidity in December: 58%
The months with the highest relative humidity are January, February, March and December (58%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Somerset East, South Africa
- Average rainfall in December: 16mm
The wettest months (with the highest rainfall) are January and February (28mm).
The driest month (with the least rainfall) is August (5mm).
Average rainfall days in December
Somerset East, South Africa
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is January (10.3 days).
The month with the least rainy days is August (3.6 days).
Average daylight in December /
Average sunshine in December
Somerset East, South Africa
- Average daylight in December: 14h and 2min
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 December: 10h and 5min
The month with the most sunshine is November (Average sunshine: 11h and 0min).
The months with the least sunshine are May, June and July (Average sunshine: 7h and 12min).
Average sunshine days in December
Somerset East, South Africa
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in December
Somerset East, South Africa
- Average UV index in December: 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 4).
Average cloud cover in December
Somerset East, South Africa
- Average cloud cover in December: 29
The month with the most cloud cover is December (Cloud cover 29).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in December
Somerset East, South Africa
- Average visibility in December: 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).
Somerset East, South Africa
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