December weather forecast
Isoka, Zambia

December

Weather in December

December carries the climate transition forward as Isoka receives the second highest rainfall of the year at 304mm (11.97"), indicating the onset of the wet season. The weather turns colder as the rainfall increases, providing a cooler end to the year. A rise in humidity levels accompanies the rains, giving the air a damp, cool feel. The cloud coverage blocks the sunlight, leading to shorter sunny periods throughout the day. Wind speeds slow down, providing calmer conditions, while the high pressure ensures a comfortable end to the year.

Temperature

The transition to December in Isoka results in a modest reduction in average high-temperature, moving from a moderately hot 29.1°C (84.4°F) in November to a still warm 25.7°C (78.3°F). Isoka, in December, observes a steady average low-temperature of 16.6°C (61.9°F).

Humidity

In Isoka, Zambia, the average relative humidity in December is 82%.

Rainfall

The month with the most rainfall is December, when the rain falls for 30.3 days and typically aggregates up to 304mm (11.97") of precipitation.

Daylight

With an average of 12h and 42min of daylight, December has the longest days of the year in Isoka.
On the first day of the month, sunrise is at 05:18 and sunset at 17:58. On the last day of December, sunrise is at 05:31 and sunset at 18:13 CAT.

Sunshine

The average sunshine in December is 9.4h.

UV index

January through July and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 5 during December translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the temperature in December?
Isoka in December has an average high-temperature of 25.7°C (78.3°F) and an average low-temperature of 16.6°C (61.9°F). In November, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 31°C (87.8°F).
What is the average humidity in December?
In Isoka, the average relative humidity in December is 82%.
What is the wettest month in Isoka?
The month with the most rainfall is December, when the rain falls for 30.3 days and typically aggregates up to 304mm (11.97") of precipitation.
How many days does it rain in December?
In Isoka, in December, it is raining for 30.3 days, with typically 304mm (11.97") of accumulated precipitation.
When are the longest days?
The month with the longest days is December, with an average of 12h and 42min of daylight.
How many hours of daylight does Isoka have in December?
The average day length in December is 12h and 43min.
What time are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 05:18 and sunset at 17:58. On the last day of the month, sunrise is at 05:31 and sunset at 18:13 CAT.
How long on average sun shines in December?
In Isoka, Zambia, the average sunshine duration in December is 9.4h.
When is the lowest UV index?
January through July and December, with an average maximum UV index of 5, are months with the lowest UV index.
How high is the UV index in December?
In December, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Isoka, Zambia
  • Average high temperature in December: 25.7°C

The warmest month (with the highest average high temperature) is October (30.9°C).
The month with the lowest average high temperature is June (23.3°C).

  • Average low temperature in December: 16.6°C

The month with the highest average low temperature is November (17.7°C).
The coldest month (with the lowest average low temperature) is July (10.4°C).

Average pressure in December
Isoka, Zambia
  • Average pressure in December: 1012mbar

The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in December
Isoka, Zambia
  • Average wind speed in December: 6.8km/h

The windiest month (with the highest average wind speed) is September (12.2km/h).
The calmest month (with the lowest average wind speed) is February (6.1km/h).

Average humidity in December
Isoka, Zambia
  • Average humidity in December: 82%

The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are September and October (48%).

Average rainfall in December
Isoka, Zambia
  • Average rainfall in December: 304mm

The wettest month (with the highest rainfall) is December (304mm).
The driest month (with the least rainfall) is July (0mm).

Average rainfall days in December
Isoka, Zambia
  • Average rainfall days in December: 30.3 days

The month with the highest number of rainy days is January (30.7 days).
The month with the least rainy days is August (0.8 days).

Average daylight in December /
Average sunshine in December
Isoka, Zambia
  • Average daylight in December: 12h and 4min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).

  • Average sunshine in December: 9h and 2min

The month with the most sunshine is September (Average sunshine: 10h and 0min).
The month with the least sunshine is April (Average sunshine: 7h and 24min).

Average sunshine days in December
Isoka, Zambia
  • Average sunshine days in December: 0.7 days

The month with the most sunshine days is July (29.8 days).
The months with the least sunshine days are January and February (0.3 days).

Average UV index in December
Isoka, Zambia
  • Average UV index in December: 5

The months with the highest UV index are August, September, October and November (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July and December (UV index 5).

Average cloud cover in December
Isoka, Zambia
  • Average cloud cover in December: 46

The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 8).

Average visibility in December
Isoka, Zambia
  • Average visibility in December: 8km

The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are March and April (6km).

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