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
Summerdown marks the start of December with an average high-temperature of a still hot 31.1°C (88°F), hinting at a slight fluctuation from November's 31.3°C (88.3°F). Summerdown experiences an average low-temperature of 21.2°C (70.2°F) in month of December.Humidity
In Summerdown, the average relative humidity in December is 38%.Rainfall
In Summerdown, Namibia, in December, it is raining for 13 days, with typically 51mm (2.01") of accumulated precipitation. Throughout the year, there are 75.2 rainfall days, and 233mm (9.17") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 13h and 24min of daylight.On the first day of December in Summerdown, sunrise is at 05:54 and sunset at 19:15. On the last day of the month, sunrise is at 06:06 and sunset at 19:31 CAT.
Sunshine
In Summerdown, the average sunshine in December is 11.1h.UV index
The months with the highest UV index are January, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 7 in December, converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during December?
What is the average humidity in December in Summerdown?
How much does it rain in December?
When are the longest days in Summerdown?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Summerdown have in December?
What is the month with the highest UV index?
What is the UV index intensity in December?
Average temperature in December
Summerdown, Namibia
- Average high temperature in December: 31.1°C
The warmest month (with the highest average high temperature) is November (31.3°C).
The month with the lowest average high temperature is July (21.3°C).
- Average low temperature in December: 21.2°C
The month with the highest average low temperature is December (21.2°C).
The coldest month (with the lowest average low temperature) is July (7°C).
Average pressure in December
Summerdown, Namibia
- Average pressure in December: 1010.6mbar
The month with the highest atmospheric pressure is July (1022.4mbar).
The month with the lowest atmospheric pressure is January (1010.3mbar).
Average wind speed in December
Summerdown, Namibia
- Average wind speed in December: 12.2km/h
The windiest month (with the highest average wind speed) is July (14.4km/h).
The calmest month (with the lowest average wind speed) is March (11.2km/h).
Average humidity in December
Summerdown, Namibia
- Average humidity in December: 38%
The month with the highest relative humidity is February (49%).
The month with the lowest relative humidity is September (20%).
Average rainfall in December
Summerdown, Namibia
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is February (60mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in December
Summerdown, Namibia
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is February (14.3 days).
The month with the least rainy days is July (0.2 days).
Average daylight in December /
Average sunshine in December
Summerdown, Namibia
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 11h and 1min
The month with the most sunshine is November (Average sunshine: 11h and 36min).
The months with the least sunshine are February and October (Average sunshine: 9h and 24min).
Average sunshine days in December
Summerdown, Namibia
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in December
Summerdown, Namibia
- Average UV index in December: 7
The months with the highest UV index are January, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 4).
Average cloud cover in December
Summerdown, Namibia
- Average cloud cover in December: 19
The month with the most cloud cover is February (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in December
Summerdown, Namibia
- 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).
