December weather forecast
Isiolo, Kenya

December

Weather in December

December ushers in relief, with a decline in rainfall to 151mm (5.94"), tapering off the "short rains" of the preceding months. Reducing rainfall intensity ushers in a more balanced climate in Isiolo, with slightly increased sunshine days and a subtle decrease in humidity levels. Wind speed slows down to 5.7km/h (3.5mph) - significantly lower than in previous months, providing a calmness to the atmosphere. Even though rainfall remains on the higher side, this month sees a gradual transition towards the drier beginning of the year. Throughout this month, the weather conditions gradually start to resemble those at the beginning of the year, providing a fitting close to Isiolo's annual climatic cycle.

Temperature

With December's arrival, Isiolo's weather records an average high-temperature of a still agreeable 21.6°C (70.9°F), marking little difference from November's 21.5°C (70.7°F). December nights in Isiolo are marked by an average low-temperature of 12.8°C (55°F).

Humidity

The months with the highest humidity in Isiolo, Kenya, are November and December, with an average relative humidity of 82%.

Rainfall

In Isiolo, in December, it is raining for 28.7 days, with typically 151mm (5.94") of accumulated precipitation. Throughout the year, in Isiolo, Kenya, there are 304.7 rainfall days, and 1436mm (56.54") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 12h and 6min of daylight.
On the first day of December, sunrise is at 06:15 and sunset at 18:21. On the last day of the month, sunrise is at 06:29 and sunset at 18:35 EAT.

Sunshine

The average sunshine in December in Isiolo is 8.5h.

UV index

January through March, May through October and December, with an average maximum UV index of 5, are months with the highest UV index in Isiolo. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, the UV index of 5 transforms into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

What is the temperature in December in Isiolo?
In December, the average high-temperature and low-temperature in Isiolo are 21.6°C (70.9°F) and 12.8°C (55°F) respectively.
What are the most humid months in Isiolo?
November and December, with an average relative humidity of 82%, are most humid months in Isiolo, Kenya.
What is the average humidity in December in Isiolo?
In Isiolo, Kenya, the average relative humidity in December is 82%.
How many days does it rain in December in Isiolo?
In Isiolo, Kenya, in December, it is raining for 28.7 days, with typically 151mm (5.94") of accumulated precipitation.
What is the month with the shortest days in Isiolo?
December has the shortest days of the year, with an average of 12h and 6min of daylight.
What is the average length of the day in December in Isiolo?
The average day length in December is 12h and 6min.
When is the sunrise / sunset in December in Isiolo?
On the first day of December in Isiolo, sunrise is at 06:15 and sunset at 18:21. On the last day of the month, sunrise is at 06:29 and sunset at 18:35 EAT.
How long on average sun shines in December in Isiolo?
In Isiolo, the average sunshine duration in December is 8.5h.
What are the months with the highest UV index in Isiolo?
January through March, May through October and December, with an average maximum UV index of 5, are months with the highest UV index in Isiolo, Kenya.
How high is the UV index in December in Isiolo?
In December, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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 - Isiolo, Kenya
Average temperature in December
Isiolo, Kenya
  • Average high temperature in December: 21.6°C

The warmest month (with the highest average high temperature) is March (24.2°C).
The months with the lowest average high temperature are July and November (21.5°C).

  • Average low temperature in December: 12.8°C

The months with the highest average low temperature are April and October (14.7°C).
The coldest month (with the lowest average low temperature) is January (12.3°C).

Average pressure in December - Isiolo, Kenya
Average pressure in December
Isiolo, Kenya
  • Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is July (1015.4mbar).
The month with the lowest atmospheric pressure is March (1012.3mbar).

Average wind speed in December - Isiolo, Kenya
Average wind speed in December
Isiolo, Kenya
  • Average wind speed in December: 5.7km/h

The windiest month (with the highest average wind speed) is August (10.4km/h).
The calmest month (with the lowest average wind speed) is December (5.7km/h).

Average humidity in December - Isiolo, Kenya
Average humidity in December
Isiolo, Kenya
  • Average humidity in December: 82%

The months with the highest relative humidity are November and December (82%).
The months with the lowest relative humidity are February and September (69%).

Average rainfall in December - Isiolo, Kenya
Average rainfall in December
Isiolo, Kenya
  • Average rainfall in December: 151mm

The wettest month (with the highest rainfall) is April (235mm).
The driest month (with the least rainfall) is July (57mm).

Average rainfall days in December - Isiolo, Kenya
Average rainfall days in December
Isiolo, Kenya
  • Average rainfall days in December: 28.7 days

The month with the highest number of rainy days is November (29.2 days).
The month with the least rainy days is February (18.5 days).

Average daylight in December / Average sunshine in December - Isiolo, Kenya
Average daylight in December /
Average sunshine in December
Isiolo, Kenya
  • Average daylight in December: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 6min).
The month with the shortest days is December (Average daylight: 12h and 6min).

  • Average sunshine in December: 8h and 3min

The month with the most sunshine is September (Average sunshine: 9h and 36min).
The month with the least sunshine is November (Average sunshine: 8h and 24min).

Average sunshine days in December - Isiolo, Kenya
Average sunshine days in December
Isiolo, Kenya
  • Average sunshine days in December: 1.2 days

The month with the most sunshine days is January (7.2 days).
The month with the least sunshine days is November (0.5 days).

Average UV index in December - Isiolo, Kenya
Average UV index in December
Isiolo, Kenya
  • Average UV index in December: 5

The months with the highest UV index are January, February, March, May, June, July, August, September, October and December (UV index 5).
The months with the lowest UV index are April and November (UV index 4).

Average cloud cover in December - Isiolo, Kenya
Average cloud cover in December
Isiolo, Kenya
  • Average cloud cover in December: 40

The month with the most cloud cover is November (Cloud cover 45).
The months with the least cloud cover are January and February (Cloud cover 24).

Average visibility in December - Isiolo, Kenya
Average visibility in December
Isiolo, Kenya
  • Average visibility in December: 9km

The months with the highest visibility are January, February, June, August and September (10km).
The months with the lowest visibility are April and November (8km).

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