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 arrival of December brings an average high-temperature of a still warm 27.1°C (80.8°F), subtly diverging from November's 24.5°C (76.1°F). Piketberg's December nights cool down significantly from the day's heat, to an average low-temperature of 14.3°C (57.7°F).Heat index
December's heat index is estimated at 28°C (82.4°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
In Piketberg, South Africa, the average relative humidity in December is 62%.Rainfall
In December, in Piketberg, the rain falls for 6.6 days. Throughout December, 16mm (0.63") of precipitation is accumulated. Throughout the year, there are 98.9 rainfall days, and 437mm (17.2") of precipitation is accumulated.Daylight
December has the longest days of the year in Piketberg, with an average of 14h and 18min of daylight.On the first day of the month, sunrise is at 05:29 and sunset at 19:39. On the last day of December, sunrise is at 05:39 and sunset at 19:56 SAST.
Sunshine
January and December, with an average of 11.2h of sunshine, are months with the most sunshine.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 health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 6 during December leads to these instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Piketberg?
What is the average humidity in December in Piketberg?
How many days does it rain in December in Piketberg?
When are the longest days in Piketberg?
What is the average length of the day in December in Piketberg?
What time are sunrise and sunset in December in Piketberg?
What are the months with the most sunshine in Piketberg?
How many hours of sunshine does Piketberg have in December?
What is the month with the highest UV index in Piketberg?
How high is the UV index in December in Piketberg?
Average temperature in December
Piketberg, South Africa
- Average high temperature in December: 27.1°C
The warmest month (with the highest average high temperature) is February (29.1°C).
The months with the lowest average high temperature are June and July (16.3°C).
- Average low temperature in December: 14.3°C
The month with the highest average low temperature is January (15.8°C).
The coldest month (with the lowest average low temperature) is August (6.7°C).
Average pressure in December
Piketberg, South Africa
- Average pressure in December: 1014mbar
The month with the highest atmospheric pressure is July (1022.1mbar).
The months with the lowest atmospheric pressure are January and February (1013.3mbar).
Average wind speed in December
Piketberg, South Africa
- Average wind speed in December: 10.9km/h
The windiest months (with the highest average wind speed) are January and November (11.4km/h).
The calmest month (with the lowest average wind speed) is May (9.4km/h).
Average humidity in December
Piketberg, South Africa
- Average humidity in December: 62%
The month with the highest relative humidity is August (76%).
The months with the lowest relative humidity are January and February (61%).
Average rainfall in December
Piketberg, South Africa
- Average rainfall in December: 16mm
The wettest month (with the highest rainfall) is June (107mm).
The driest month (with the least rainfall) is February (6mm).
Average rainfall days in December
Piketberg, South Africa
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is August (12.4 days).
The month with the least rainy days is February (3.7 days).
Average daylight in December /
Average sunshine in December
Piketberg, 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: 11h and 1min
The months with the most sunshine are January and December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in December
Piketberg, South Africa
- Average sunshine days in December: 22.7 days
The month with the most sunshine days is March (24.3 days).
The month with the least sunshine days is June (16.1 days).
Average UV index in December
Piketberg, 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 month with the lowest UV index is June (UV index 3).
Average cloud cover in December
Piketberg, South Africa
- Average cloud cover in December: 17
The month with the most cloud cover is June (Cloud cover 33).
The month with the least cloud cover is February (Cloud cover 12).
Average visibility in December
Piketberg, South Africa
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).
Piketberg, South Africa
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