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
Weather in December
Temperature
In December, the average high-temperature marginally decreases from a pleasant 20°C (68°F) in November to a comfortable 16.5°C (61.7°F). Kalathos, during the nights of December, averages a temperature close to its daytime high, at a moderate 14.4°C (57.9°F).Humidity
In Kalathos, the average relative humidity in December is 67%.Rainfall
The month with the most rainfall is December, when the rain falls for 8.9 days and typically aggregates up to 21mm (0.83") of precipitation.Sea temperature
In Kalathos, the average seawater temperature in December is 18°C (64.4°F).Note: The majority of individuals do not enjoy swimming in water that is 18°C (64.4°F). Breathing control becomes more challenging as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December in Kalathos, sunrise is at 07:00 and sunset at 16:53. On the last day of the month, sunrise is at 07:18 and sunset at 17:03 EET.
Sunshine
In December, the average sunshine in Kalathos is 6.4h.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 of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 4 transforms into these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The solar radiation around mid-day is intense; avoid the Sun and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are December temperatures in Kalathos?
What is the average humidity in December in Kalathos?
What is the wettest month in Kalathos?
How many days does it rain in December in Kalathos?
How cold is the water in December in Kalathos?
What is the month with the shortest days in Kalathos?
How many hours of daylight does Kalathos have in December?
What time are sunrise and sunset in December in Kalathos?
How many hours of sunshine does Kalathos have in December?
When is the lowest UV index in Kalathos?
What is the UV index intensity in December in Kalathos?
Average temperature in December
Kalathos, Greece
- Average high temperature in December: 16.5°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (14.9°C).
- Average low temperature in December: 14.4°C
The month with the highest average low temperature is August (25.8°C).
The coldest month (with the lowest average low temperature) is January (12.6°C).
Average pressure in December
Kalathos, Greece
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is December (1017.3mbar).
The month with the lowest atmospheric pressure is July (1007mbar).
Average wind speed in December
Kalathos, Greece
- Average wind speed in December: 20.3km/h
The windiest month (with the highest average wind speed) is February (22.6km/h).
The calmest month (with the lowest average wind speed) is May (15km/h).
Average humidity in December
Kalathos, Greece
- Average humidity in December: 67%
The months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is October (65%).
Average rainfall in December
Kalathos, Greece
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is December (21mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in December
Kalathos, Greece
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is December (8.9 days).
The month with the least rainy days is August (0.3 days).
Average sea temperature in December
Kalathos, Greece
- Average sea temperature in December: 18°C
The best months for swimming (with the highest average sea temperature) are August and September (25°C).
The coldest months (with the lowest average sea temperature) are February and March (16°C).
Average daylight in December /
Average sunshine in December
Kalathos, Greece
- Average daylight in December: 9h and 5min
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 48min).
- 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 0min).
Average sunshine days in December
Kalathos, Greece
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is February (17.7 days).
Average UV index in December
Kalathos, Greece
- Average UV index in December: 4
The months with the highest UV index are June, 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
Kalathos, Greece
- Average cloud cover in December: 29
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
Kalathos, 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).
Kalathos, Greece
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