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
Secunda's average high-temperature in December is a still warm 26.3°C (79.3°F), indicating a subtle variation from November. During the nights in December, Secunda observes an average low-temperature of 14.5°C (58.1°F).Humidity
In Secunda, the average relative humidity in December is 68%.Rainfall
The month with the most rainfall in Secunda is December, when the rain falls for 20.8 days and typically aggregates up to 109mm (4.29") of precipitation.Daylight
December has the longest days of the year in Secunda, with an average of 13h and 48min of daylight.On the first day of the month, sunrise is at 05:01 and sunset at 18:42. On the last day of December, sunrise is at 05:13 and sunset at 18:59 SAST.
Sunshine
The average sunshine in December is 10.8h.UV index
The average daily maximum UV index in December in Secunda is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, an average UV index of 5 transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Secunda?
What is the average humidity in December in Secunda?
What is the rainiest month in Secunda?
How much does it rain in Secunda in December?
When are the longest days in Secunda?
What is the average length of the day in December in Secunda?
When are sunrise and sunset in December in Secunda?
How long on average sun shines in December in Secunda?
What is the UV index reading in December in Secunda?
Average temperature in December
Secunda, South Africa
- Average high temperature in December: 26.3°C
The warmest month (with the highest average high temperature) is February (26.5°C).
The month with the lowest average high temperature is June (17.4°C).
- Average low temperature in December: 14.5°C
The month with the highest average low temperature is December (14.5°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).
Average pressure in December
Secunda, South Africa
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is July (1024.9mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).
Average wind speed in December
Secunda, South Africa
- Average wind speed in December: 10.2km/h
The windiest month (with the highest average wind speed) is September (12.5km/h).
The calmest month (with the lowest average wind speed) is March (8.9km/h).
Average humidity in December
Secunda, South Africa
- Average humidity in December: 68%
The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is September (36%).
Average rainfall in December
Secunda, South Africa
- Average rainfall in December: 109mm
The wettest month (with the highest rainfall) is December (109mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in December
Secunda, South Africa
- Average rainfall days in December: 20.8 days
The month with the highest number of rainy days is January (21.4 days).
The month with the least rainy days is July (0.6 days).
Average daylight in December /
Average sunshine in December
Secunda, South Africa
- Average daylight in December: 13h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in December: 10h and 5min
The month with the most sunshine is October (Average sunshine: 11h and 30min).
The month with the least sunshine is April (Average sunshine: 7h and 18min).
Average sunshine days in December
Secunda, South Africa
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is July (30.3 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in December
Secunda, South Africa
- Average UV index in December: 5
The month with the highest UV index is November (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
Secunda, South Africa
- Average cloud cover in December: 33
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Secunda, South Africa
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).
