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
With average high and low temperatures of 26.2°C (79.2°F) and 16.5°C (61.7°F) respectively, December is Steynsdorp's warmest month.Humidity
In December, the average relative humidity in Steynsdorp is 80%.Rainfall
The month with the most rainfall is December, when the rain falls for 24 days and typically aggregates up to 134mm (5.28") of precipitation.Daylight
The month with the longest days is December, with an average of 13h and 42min of daylight.On the first day of the month, sunrise is at 04:55 and sunset at 18:34. On the last day of December, in Steynsdorp, sunrise is at 05:06 and sunset at 18:51 SAST.
Sunshine
In Steynsdorp, the average sunshine in December is 8.6h.UV index
In December, the average daily maximum UV index in Steynsdorp is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 in December translates into this advice:
Act with care - The need to guard against sun damage is communicated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are the warmest months in Steynsdorp?
What is the temperature in December in Steynsdorp?
What is the average humidity in December in Steynsdorp?
What is the rainiest month in Steynsdorp?
How many days does it rain in December in Steynsdorp?
When are the longest days in Steynsdorp?
How many hours of daylight does Steynsdorp have in December?
When is the sunrise / sunset in December in Steynsdorp?
How long on average sun shines in December in Steynsdorp?
How high is the UV index in December in Steynsdorp?
Average temperature in December
Steynsdorp, South Africa
- Average high temperature in December: 26.2°C
The warmest month (with the highest average high temperature) is December (26.2°C).
The months with the lowest average high temperature are June and July (20.3°C).
- Average low temperature in December: 16.5°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 (8.1°C).
Average pressure in December
Steynsdorp, South Africa
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is July (1024.2mbar).
The month with the lowest atmospheric pressure is January (1014mbar).
Average wind speed in December
Steynsdorp, South Africa
- Average wind speed in December: 7km/h
The windiest month (with the highest average wind speed) is September (8.3km/h).
The calmest month (with the lowest average wind speed) is March (6.2km/h).
Average humidity in December
Steynsdorp, South Africa
- Average humidity in December: 80%
The months with the highest relative humidity are January, February and March (83%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Steynsdorp, South Africa
- Average rainfall in December: 134mm
The wettest month (with the highest rainfall) is December (134mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in December
Steynsdorp, South Africa
- Average rainfall days in December: 24 days
The month with the highest number of rainy days is December (24 days).
The month with the least rainy days is June (3.4 days).
Average daylight in December /
Average sunshine in December
Steynsdorp, 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: 8h and 4min
The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).
Average sunshine days in December
Steynsdorp, South Africa
- Average sunshine days in December: 4.5 days
The month with the most sunshine days is June (25.7 days).
The month with the least sunshine days is December (4.5 days).
Average UV index in December
Steynsdorp, South Africa
- Average UV index in December: 5
The months with the highest UV index are January 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
Steynsdorp, South Africa
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in December
Steynsdorp, South Africa
- Average visibility in December: 7km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (6km).
Steynsdorp, South Africa
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