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
Calitzdorp sees the arrival of December with an average high-temperature of a still warm 26.2°C (79.2°F), indicating a subtle variation from November. During December, Calitzdorp consistently records a temperature low averaging a mild 14.7°C (58.5°F).Humidity
In Calitzdorp, the average relative humidity in December is 63%.Rainfall
March, May and December are months with the least rain in Calitzdorp when the rain falls for 9.4 days and typically aggregates up to 11mm (0.43") of rain.Daylight
December has the longest days of the year in Calitzdorp, with an average of 14h and 18min of daylight.On the first day of the month, sunrise is at 05:16 and sunset at 19:28. On the last day of December, sunrise is at 05:26 and sunset at 19:46 SAST.
Sunshine
January and December, with an average of 10.9h of sunshine, are months with the most sunshine in Calitzdorp.UV index
The months with the highest UV index 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 exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in December translates into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Calitzdorp?
What is the average humidity in December in Calitzdorp?
What is the driest month in Calitzdorp?
How much does it rain in Calitzdorp in December?
When are the longest days in Calitzdorp?
What is the average length of the day in December in Calitzdorp?
What time are sunrise and sunset in December in Calitzdorp?
What are the months with the most sunshine in Calitzdorp?
How many hours of sunshine does Calitzdorp have in December?
What are the months with the highest UV index in Calitzdorp?
What is the UV index intensity in December in Calitzdorp?
Average temperature in December
Calitzdorp, South Africa
- Average high temperature in December: 26.2°C
The warmest month (with the highest average high temperature) is February (28°C).
The month with the lowest average high temperature is June (16.8°C).
- Average low temperature in December: 14.7°C
The month with the highest average low temperature is February (16.3°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).
Average pressure in December
Calitzdorp, South Africa
- Average pressure in December: 1013.9mbar
The month with the highest atmospheric pressure is July (1022.3mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed in December
Calitzdorp, South Africa
- Average wind speed in December: 10.9km/h
The windiest month (with the highest average wind speed) is June (11.5km/h).
The calmest month (with the lowest average wind speed) is April (9km/h).
Average humidity in December
Calitzdorp, South Africa
- Average humidity in December: 63%
The months with the highest relative humidity are January and March (64%).
The months with the lowest relative humidity are June and August (60%).
Average rainfall in December
Calitzdorp, South Africa
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is October (18mm).
The driest months (with the least rainfall) are March, May and December (11mm).
Average rainfall days in December
Calitzdorp, South Africa
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is October (9.5 days).
The month with the least rainy days is July (6 days).
Average daylight in December /
Average sunshine in December
Calitzdorp, 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 months with the most sunshine are January and December (Average sunshine: 10h and 54min).
The months with the least sunshine are June and July (Average sunshine: 6h and 48min).
Average sunshine days in December
Calitzdorp, South Africa
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (17.8 days).
Average UV index in December
Calitzdorp, 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 May, June, July, August and September (UV index 4).
Average cloud cover in December
Calitzdorp, South Africa
- Average cloud cover in December: 27
The month with the most cloud cover is October (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Calitzdorp, South Africa
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
