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
At the onset of December, Onseepkans records an average high-temperature of a still tropical 32.8°C (91°F), showing little deviation from the preceding month. Compared to daytime temperatures, Onseepkans's temperature drops significantly, averaging a refreshing 18.7°C (65.7°F) during the nights of December.Humidity
In Onseepkans, the average relative humidity in December is 27%.Rainfall
In December, the rain falls for 1.9 days. Throughout December, 4mm (0.16") of precipitation is accumulated. In Onseepkans, during the entire year, the rain falls for 28.6 days and collects up to 45mm (1.77") of precipitation.Daylight
With an average of 13h and 54min of daylight, December has the longest days of the year in Onseepkans, South Africa.On the first day of December in Onseepkans, sunrise is at 05:36 and sunset at 19:27. On the last day of the month, sunrise is at 05:47 and sunset at 19:44 SAST.
Sunshine
November and December, with an average of 12.1h of sunshine, are months with the most sunshine in Onseepkans, South Africa.UV index
January, February, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 7 in December transforms into this advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Onseepkans in December?
What is the average humidity in December in Onseepkans?
How many days does it rain in December in Onseepkans?
When are the longest days in Onseepkans?
What is the average length of the day in December in Onseepkans?
When are sunrise and sunset in December in Onseepkans?
What is the month with the most sunshine in Onseepkans?
How many hours of sunshine does Onseepkans have in December?
What is the month with the highest UV index in Onseepkans?
What is the UV index reading in December in Onseepkans?
Average temperature in December
Onseepkans, South Africa
- Average high temperature in December: 32.8°C
The warmest month (with the highest average high temperature) is January (34.3°C).
The month with the lowest average high temperature is June (18.3°C).
- Average low temperature in December: 18.7°C
The month with the highest average low temperature is February (21.1°C).
The coldest month (with the lowest average low temperature) is July (7.4°C).
Average pressure in December
Onseepkans, South Africa
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is July (1022.8mbar).
The month with the lowest atmospheric pressure is January (1010.8mbar).
Average wind speed in December
Onseepkans, South Africa
- Average wind speed in December: 15.9km/h
The windiest month (with the highest average wind speed) is November (16.5km/h).
The calmest month (with the lowest average wind speed) is May (12km/h).
Average humidity in December
Onseepkans, South Africa
- Average humidity in December: 27%
The month with the highest relative humidity is June (46%).
The month with the lowest relative humidity is November (25%).
Average rainfall in December
Onseepkans, South Africa
- Average rainfall in December: 4mm
The wettest month (with the highest rainfall) is February (12mm).
The driest months (with the least rainfall) are July, August and September (1mm).
Average rainfall days in December
Onseepkans, South Africa
- Average rainfall days in December: 1.9 days
The month with the highest number of rainy days is February (5.1 days).
The month with the least rainy days is November (0.8 days).
Average daylight in December /
Average sunshine in December
Onseepkans, South Africa
- Average daylight in December: 13h and 5min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in December: 12h and 1min
The months with the most sunshine are November and December (Average sunshine: 12h and 6min).
The month with the least sunshine is June (Average sunshine: 7h and 24min).
Average sunshine days in December
Onseepkans, South Africa
- Average sunshine days in December: 27.9 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in December
Onseepkans, South Africa
- Average UV index in December: 7
The months with the highest UV index are January, February, November and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
Onseepkans, South Africa
- Average cloud cover in December: 5
The month with the most cloud cover is June (Cloud cover 11).
The month with the least cloud cover is December (Cloud cover 5).
Average visibility in December
Onseepkans, 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).
