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 sea temperature 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
The advent of December brings an average high-temperature of a still enjoyable 16.4°C (61.5°F), exhibiting minor difference from the previous month. In Ios, December's low temperatures hover around a moderate 14.6°C (58.3°F), reflecting a minor decrease from the daytime highs.Humidity
The months with the lowest humidity in Ios, Greece, are January and December, with an average relative humidity of 70%.Rainfall
In Ios, during December, the rain falls for 13.7 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, there are 87.8 rainfall days, and 221mm (8.7") of precipitation is accumulated.Sea temperature
In December, the average sea temperature is 17°C (62.6°F).Note: Swimming in 17°C (62.6°F) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Ios, Greece.On the first day of December, sunrise is at 07:13 and sunset at 17:03. On the last day of the month, sunrise is at 07:31 and sunset at 17:12 EET.
Sunshine
The average sunshine in December is 6h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 3 during December translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Ios?
What are the least humid months in Ios?
What is the average humidity in December in Ios?
How much does it rain in Ios in December?
What is the sea water temperature in December in Ios?
What is the month with the shortest days in Ios?
How many hours of daylight does Ios have in December?
When are sunrise and sunset in December in Ios?
How many hours of sunshine does Ios have in December?
When is the lowest UV index in Ios?
What is the UV index intensity in December in Ios?
Average temperature in December
Ios, Greece
- Average high temperature in December: 16.4°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (14.7°C).
- Average low temperature in December: 14.6°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (12.9°C).
Average pressure in December
Ios, Greece
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1009mbar).
Average wind speed in December
Ios, Greece
- Average wind speed in December: 27.2km/h
The windiest month (with the highest average wind speed) is January (29.2km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).
Average humidity in December
Ios, Greece
- Average humidity in December: 70%
The month with the highest relative humidity is August (77%).
The months with the lowest relative humidity are January and December (70%).
Average rainfall in December
Ios, Greece
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is February (38mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in December
Ios, Greece
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is January (14.2 days).
The month with the least rainy days is August (0.4 days).
Average sea temperature in December
Ios, Greece
- Average sea temperature in December: 17°C
The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in December /
Average sunshine in December
Ios, Greece
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in December
Ios, Greece
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is January (13.3 days).
Average UV index in December
Ios, Greece
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Ios, Greece
- Average cloud cover in December: 38
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in December
Ios, Greece
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
