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 brings a marginal elevation to a still pleasant 22.4°C (72.3°F) from November's 20.3°C (68.5°F) in Hartenbos's average high-temperatures. The month of December in Hartenbos shows a minor drop from daytime temperatures, generally recording a low average of 17.4°C (63.3°F).Humidity
In December, the average relative humidity in Hartenbos is 75%.Rainfall
December is the month with the least rainfall in Hartenbos. Rain falls for 11.6 days and accumulates 13mm (0.51") of precipitation.Daylight
December has the longest days of the year in Hartenbos, with an average of 14h and 24min of daylight.On the first day of December, sunrise is at 05:12 and sunset at 19:28. On the last day of the month, sunrise is at 05:23 and sunset at 19:46 SAST.
Sunshine
The average sunshine in December in Hartenbos is 9.9h.UV index
The months with the highest UV index in Hartenbos are February and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 6 suggests these recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Hartenbos in December?
What is the average humidity in December in Hartenbos?
What is the driest month in Hartenbos?
How much does it rain in Hartenbos in December?
When are the longest days in Hartenbos?
What is the average length of the day in December in Hartenbos?
What time are sunrise and sunset in December in Hartenbos?
How long on average sun shines in December in Hartenbos?
What are the months with the highest UV index in Hartenbos?
What is the UV index intensity in December in Hartenbos?
Average temperature in December
Hartenbos, South Africa
- Average high temperature in December: 22.4°C
The warmest month (with the highest average high temperature) is February (23.8°C).
The month with the lowest average high temperature is July (17.6°C).
- Average low temperature in December: 17.4°C
The month with the highest average low temperature is February (18.6°C).
The coldest months (with the lowest average low temperature) are July and August (11.8°C).
Average pressure in December
Hartenbos, South Africa
- Average pressure in December: 1014.4mbar
The month with the highest atmospheric pressure is July (1021.9mbar).
The month with the lowest atmospheric pressure is February (1013.7mbar).
Average wind speed in December
Hartenbos, South Africa
- Average wind speed in December: 16.4km/h
The windiest months (with the highest average wind speed) are October and November (16.8km/h).
The calmest month (with the lowest average wind speed) is May (13.3km/h).
Average humidity in December
Hartenbos, South Africa
- Average humidity in December: 75%
The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are June and July (67%).
Average rainfall in December
Hartenbos, South Africa
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is June (38mm).
The driest month (with the least rainfall) is December (13mm).
Average rainfall days in December
Hartenbos, South Africa
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is October (12.5 days).
The month with the least rainy days is May (9.2 days).
Average daylight in December /
Average sunshine in December
Hartenbos, 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 5min
The months with the most sunshine are January and November (Average sunshine: 10h and 0min).
The months with the least sunshine are June and July (Average sunshine: 6h and 36min).
Average sunshine days in December
Hartenbos, South Africa
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is May (18.9 days).
The month with the least sunshine days is February (15 days).
Average UV index in December
Hartenbos, South Africa
- Average UV index in December: 6
The months with the highest UV index are February and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in December
Hartenbos, South Africa
- Average cloud cover in December: 35
The month with the most cloud cover is October (Cloud cover 36).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Hartenbos, 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).
