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
The highest temperatures are recorded in December, with averages reaching a high of 27.5°C (81.5°F) and a low of 16.3°C (61.3°F).Heat index
During December, the heat index is evaluated at 29°C (84.2°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.Note that heat index values are valued for light wind and location in the shade. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In Ferndale, the average relative humidity in December is 60%.Rainfall
In Ferndale, during December, the rain falls for 10.3 days and regularly aggregates up to 46mm (1.81") of precipitation. In Ferndale, during the entire year, the rain falls for 77.6 days and collects up to 262mm (10.31") of precipitation.Daylight
December has the longest days of the year, with an average of 13h and 42min of daylight.On the first day of December, sunrise is at 05:07 and sunset at 18:46. On the last day of the month, sunrise is at 05:18 and sunset at 19:03 SAST.
Sunshine
The average sunshine in December is 11.3h.UV index
The average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during December translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
What is the usual temperature for Ferndale in December?
What is the average humidity in December?
How much does it rain in December?
When are the longest days in Ferndale?
How many hours of daylight does Ferndale have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Ferndale, 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
Ferndale, 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
Ferndale, 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
Ferndale, 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
Ferndale, 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
Ferndale, 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
Ferndale, 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
Ferndale, 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
Ferndale, 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
Ferndale, 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
Ferndale, 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).
