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
Weather in December
Temperature
Merrivale's average high-temperature marks a still warm 25.3°C (77.5°F) with the advent of December, closely mirroring that of the preceding month. The nights of December in Merrivale, South Africa, anticipate an average low-temperature of 14.6°C (58.3°F).Humidity
In Merrivale, the average relative humidity in December is 83%.Rainfall
In Merrivale, South Africa, during December, the rain falls for 25.6 days and regularly aggregates up to 99mm (3.9") of precipitation. Throughout the year, there are 188.3 rainfall days, and 624mm (24.57") of precipitation is accumulated.Daylight
December has the longest days of the year in Merrivale, with an average of 14h and 0min of daylight.On the first day of the month, sunrise is at 04:51 and sunset at 18:45. On the last day of December, in Merrivale, sunrise is at 05:02 and sunset at 19:02 SAST.
Sunshine
In Merrivale, the average sunshine in December is 7.3h.UV index
The average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during December translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the temperature in December in Merrivale?
What is the average humidity in December in Merrivale?
How much does it rain in Merrivale in December?
When are the longest days in Merrivale?
How many hours of daylight does Merrivale have in December?
What time are sunrise and sunset in December in Merrivale?
How many hours of sunshine does Merrivale have in December?
What is the UV index intensity in December in Merrivale?
Average temperature in December
Merrivale, South Africa
- Average high temperature in December: 25.3°C
The warmest month (with the highest average high temperature) is February (25.9°C).
The month with the lowest average high temperature is July (19.6°C).
- Average low temperature in December: 14.6°C
The month with the highest average low temperature is January (15.4°C).
The coldest months (with the lowest average low temperature) are June and July (7.2°C).
Average pressure in December
Merrivale, South Africa
- Average pressure in December: 1014.6mbar
The month with the highest atmospheric pressure is July (1023.7mbar).
The months with the lowest atmospheric pressure are January and December (1014.6mbar).
Average wind speed in December
Merrivale, South Africa
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is October (8.1km/h).
The calmest month (with the lowest average wind speed) is April (6.4km/h).
Average humidity in December
Merrivale, South Africa
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (61%).
Average rainfall in December
Merrivale, South Africa
- Average rainfall in December: 99mm
The wettest month (with the highest rainfall) is January (107mm).
The driest month (with the least rainfall) is June (8mm).
Average rainfall days in December
Merrivale, South Africa
- Average rainfall days in December: 25.6 days
The month with the highest number of rainy days is December (25.6 days).
The month with the least rainy days is June (5.2 days).
Average daylight in December /
Average sunshine in December
Merrivale, South Africa
- Average daylight in December: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is October (Average sunshine: 8h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 6min).
Average sunshine days in December
Merrivale, South Africa
- Average sunshine days in December: 2.6 days
The month with the most sunshine days is June (23 days).
The month with the least sunshine days is December (2.6 days).
Average UV index in December
Merrivale, South Africa
- Average UV index in December: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are April, May, June, July, September and October (UV index 4).
Average cloud cover in December
Merrivale, South Africa
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in December
Merrivale, South Africa
- Average visibility in December: 7km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (6km).
Merrivale, South Africa
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