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
The advent of December reveals an average high-temperature of a moderately hot 23.7°C (74.7°F), showing minimal difference from the prior month. Southbroom documents a consistent average low-temperature of 19.5°C (67.1°F) at night during December.Humidity
The most humid month is December, with an average relative humidity of 83%.Rainfall
The month with the most rainfall is December, when the rain falls for 22.1 days and typically aggregates up to 76mm (2.99") of precipitation.Daylight
The month with the longest days is December, with an average of 14h and 6min of daylight.On the first day of December, sunrise is at 04:47 and sunset at 18:48. On the last day of the month, sunrise is at 04:58 and sunset at 19:05 SAST.
Sunshine
In Southbroom, the average sunshine in December is 7.4h.UV index
January through April and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 6 in December leads to these recommendations:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
When are the longest days in Southbroom?
How many hours of daylight does Southbroom have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Southbroom have in December?
What are the months with the highest UV index?
What is the UV index intensity in December?
Average temperature in December
Southbroom, South Africa
- Average high temperature in December: 23.7°C
The warmest month (with the highest average high temperature) is February (25.7°C).
The month with the lowest average high temperature is July (20.4°C).
- Average low temperature in December: 19.5°C
The month with the highest average low temperature is February (20.9°C).
The coldest month (with the lowest average low temperature) is July (14.8°C).
Average pressure in December
Southbroom, South Africa
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is July (1023mbar).
The month with the lowest atmospheric pressure is January (1014.1mbar).
Average wind speed in December
Southbroom, South Africa
- Average wind speed in December: 17.9km/h
The windiest month (with the highest average wind speed) is October (19.8km/h).
The calmest month (with the lowest average wind speed) is May (15.3km/h).
Average humidity in December
Southbroom, South Africa
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is June (62%).
Average rainfall in December
Southbroom, South Africa
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is June (14mm).
Average rainfall days in December
Southbroom, South Africa
- Average rainfall days in December: 22.1 days
The month with the highest number of rainy days is December (22.1 days).
The month with the least rainy days is June (7.8 days).
Average daylight in December /
Average sunshine in December
Southbroom, South Africa
- Average daylight in December: 14h and 1min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is February (Average sunshine: 8h and 42min).
The month with the least sunshine is April (Average sunshine: 6h and 0min).
Average sunshine days in December
Southbroom, South Africa
- Average sunshine days in December: 3.8 days
The month with the most sunshine days is June (20.1 days).
The month with the least sunshine days is December (3.8 days).
Average UV index in December
Southbroom, South Africa
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September, October and November (UV index 5).
Average cloud cover in December
Southbroom, South Africa
- Average cloud cover in December: 56
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in December
Southbroom, South Africa
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August and September (10km).
The months with the lowest visibility are January, October, November and December (9km).
