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's arrival registers an average high-temperature of a moderately hot 24.3°C (75.7°F), closely aligning with the temperature of the previous month. December's nights in Cape Saint Francis, South Africa, observe an average temperature of 17.2°C (63°F).Humidity
The average relative humidity in December in Cape Saint Francis is 74%.Rainfall
In Cape Saint Francis, in December, it is raining for 13.4 days, with typically 23mm (0.91") of accumulated precipitation. In Cape Saint Francis, South Africa, during the entire year, the rain falls for 127.2 days and collects up to 279mm (10.98") of precipitation.Daylight
December has the longest days of the year in Cape Saint Francis, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 05:01 and sunset at 19:17. On the last day of December, in Cape Saint Francis, sunrise is at 05:11 and sunset at 19:35 SAST.
Sunshine
In Cape Saint Francis, the average sunshine in December is 9.7h.UV index
The months with the highest UV index in Cape Saint Francis are January, February and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 6 suggests this advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cape Saint Francis in December?
What is the average humidity in December in Cape Saint Francis?
How much does it rain in Cape Saint Francis in December?
When are the longest days in Cape Saint Francis?
What is the average length of the day in December in Cape Saint Francis?
What time are sunrise and sunset in December in Cape Saint Francis?
How many hours of sunshine does Cape Saint Francis have in December?
When is the highest UV index in Cape Saint Francis?
What is the UV index intensity in December in Cape Saint Francis?
Average temperature in December
Cape Saint Francis, South Africa
- Average high temperature in December: 24.3°C
The warmest month (with the highest average high temperature) is February (26.1°C).
The month with the lowest average high temperature is July (19.7°C).
- Average low temperature in December: 17.2°C
The month with the highest average low temperature is February (18.7°C).
The coldest month (with the lowest average low temperature) is July (11.7°C).
Average pressure in December
Cape Saint Francis, South Africa
- Average pressure in December: 1014.2mbar
The month with the highest atmospheric pressure is July (1022mbar).
The month with the lowest atmospheric pressure is January (1013.5mbar).
Average wind speed in December
Cape Saint Francis, South Africa
- Average wind speed in December: 16.2km/h
The windiest month (with the highest average wind speed) is November (17.2km/h).
The calmest month (with the lowest average wind speed) is May (13.8km/h).
Average humidity in December
Cape Saint Francis, South Africa
- Average humidity in December: 74%
The month with the highest relative humidity is February (75%).
The month with the lowest relative humidity is June (61%).
Average rainfall in December
Cape Saint Francis, South Africa
- Average rainfall in December: 23mm
The wettest months (with the highest rainfall) are March and October (30mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in December
Cape Saint Francis, South Africa
- Average rainfall days in December: 13.4 days
The months with the highest number of rainy days are October and December (13.4 days).
The month with the least rainy days is June (7.8 days).
Average daylight in December /
Average sunshine in December
Cape Saint Francis, South Africa
- Average daylight in December: 14h and 2min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 9h and 4min
The month with the most sunshine is November (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 6h and 36min).
Average sunshine days in December
Cape Saint Francis, South Africa
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is June (21.2 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in December
Cape Saint Francis, South Africa
- Average UV index in December: 6
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, September, October and November (UV index 5).
Average cloud cover in December
Cape Saint Francis, South Africa
- Average cloud cover in December: 37
The month with the most cloud cover is December (Cloud cover 37).
The month with the least cloud cover is June (Cloud cover 21).
Average visibility in December
Cape Saint Francis, 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).
