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
In Kefalos, entering December brings a subtle temperature decrement, reducing from November's comfortable 66.7°F to a still refreshing 60.8°F. Kefalos encounters a small divergence from daytime high temperatures, averaging a low-temperature of 57.7°F during December nights.Humidity
The months with the lowest humidity in Kefalos are January, November and December, with an average relative humidity of 68%.Rainfall
The month with the most rainfall is December, when the rain falls for 14.6 days and typically aggregates up to 4.17" of precipitation.Sea temperature
In December, the average sea temperature is 62.6°F.Note: Swimming in water at 62.6°F is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 69.8°F to 59°F.
Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December in Kefalos, sunrise is at 07:06 and sunset at 16:56. On the last day of the month, sunrise is at 07:24 and sunset at 17:06 EET.
Sunshine
In Kefalos, the average sunshine in December is 6.3h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, the UV index of 4 transforms into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Kefalos?
What are the least humid months in Kefalos?
What is the average humidity in December in Kefalos?
What is the wettest month in Kefalos?
How much does it rain in Kefalos in December?
What is the sea temperature in December in Kefalos?
What is the month with the shortest days in Kefalos?
How many hours of daylight does Kefalos have in December?
When are sunrise and sunset in December in Kefalos?
How many hours of sunshine does Kefalos have in December?
What is the month with the lowest UV index in Kefalos?
What is the UV index intensity in December in Kefalos?
Average temperature in December
Kefalos, Greece
- Average high temperature in December: 60.8°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is January (58.1°F).
- Average low temperature in December: 57.7°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (54.3°F).
Average pressure in December
Kefalos, Greece
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is December (30.05"Hg).
The month with the lowest atmospheric pressure is July (29.75"Hg).
Average wind speed in December
Kefalos, Greece
- Average wind speed in December: 16.9mph
The windiest month (with the highest average wind speed) is January (17.9mph).
The calmest month (with the lowest average wind speed) is May (11.2mph).
Average humidity in December
Kefalos, Greece
- Average humidity in December: 68%
The month with the highest relative humidity is June (74%).
The months with the lowest relative humidity are January, November and December (68%).
Average rainfall in December
Kefalos, Greece
- Average rainfall in December: 4.17"
The wettest month (with the highest rainfall) is December (4.17").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Kefalos, Greece
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is January (15.3 days).
The month with the least rainy days is August (0.4 days).
Average sea temperature in December
Kefalos, Greece
- Average sea temperature in December: 63°F
The best month for swimming (with the highest average sea temperature) is August (75°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (61°F).
Average daylight in December /
Average sunshine in December
Kefalos, 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 2min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in December
Kefalos, Greece
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is February (13.7 days).
Average UV index in December
Kefalos, Greece
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).
Average cloud cover in December
Kefalos, Greece
- Average cloud cover in December: 31
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 2).
Average visibility in December
Kefalos, Greece
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
