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, Iona records an average high-temperature of a still warm 23.5°C (74.3°F), showing little deviation from the preceding month. During the nights in December, Iona experiences a consistent average temperature of 15.7°C (60.3°F).Humidity
In Iona, the average relative humidity in December is 79%.Rainfall
In Iona, in December, it is raining for 25.8 days, with typically 282mm (11.1") of accumulated precipitation. In Iona, during the entire year, the rain falls for 170.5 days and collects up to 1898mm (74.72") of precipitation.Daylight
With an average of 13h and 6min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:26 and sunset at 18:30. On the last day of December, sunrise is at 05:39 and sunset at 18:46 WAT.
Sunshine
In Iona, the average sunshine in December is 8.8h.UV index
The months with the lowest UV index in Iona are January through July, October through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 5 turns into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Iona?
What is the average humidity in December in Iona?
How many days does it rain in December in Iona?
When are the longest days in Iona?
How many hours of daylight does Iona have in December?
When are sunrise and sunset in December in Iona?
How many hours of sunshine does Iona have in December?
When is the lowest UV index in Iona?
What is the UV index reading in December in Iona?
Average temperature in December
Iona, Angola
- Average high temperature in December: 23.5°C
The warmest month (with the highest average high temperature) is September (29.6°C).
The months with the lowest average high temperature are January and March (23.3°C).
- Average low temperature in December: 15.7°C
The month with the highest average low temperature is November (16.5°C).
The coldest months (with the lowest average low temperature) are June and July (10.4°C).
Average pressure in December
Iona, Angola
- Average pressure in December: 1011.5mbar
The month with the highest atmospheric pressure is July (1016mbar).
The months with the lowest atmospheric pressure are February and November (1011.2mbar).
Average wind speed in December
Iona, Angola
- Average wind speed in December: 5km/h
The windiest month (with the highest average wind speed) is July (7.9km/h).
The calmest month (with the lowest average wind speed) is February (4.9km/h).
Average humidity in December
Iona, Angola
- Average humidity in December: 79%
The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Iona, Angola
- Average rainfall in December: 282mm
The wettest month (with the highest rainfall) is March (366mm).
The driest months (with the least rainfall) are June and July (0mm).
Average rainfall days in December
Iona, Angola
- Average rainfall days in December: 25.8 days
The month with the highest number of rainy days is March (26.7 days).
The months with the least rainy days are June and July (0.1 days).
Average daylight in December /
Average sunshine in December
Iona, Angola
- Average daylight in December: 13h and 1min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in December: 8h and 5min
The month with the most sunshine is October (Average sunshine: 11h and 36min).
The month with the least sunshine is March (Average sunshine: 7h and 0min).
Average sunshine days in December
Iona, Angola
- Average sunshine days in December: 4.5 days
The month with the most sunshine days is July (30.9 days).
The month with the least sunshine days is March (3.7 days).
Average UV index in December
Iona, Angola
- Average UV index in December: 5
The months with the highest UV index are August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 5).
Average cloud cover in December
Iona, Angola
- Average cloud cover in December: 51
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are June and July (Cloud cover 2).
Average visibility in December
Iona, Angola
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January and March (7km).
