Weather in December
Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a moderate 15°C (59°F) to a fresh 11°C (51.8°F). In the month of December, the average temperature dips to a wintry 4°C (39.2°F) during the night.Rainfall
In December, the rain falls for 13 days. Throughout December, 119mm (4.69") of precipitation is accumulated. In Supetar, during the entire year, the rain falls for 139 days and collects up to 937mm (36.89") of precipitation.Sea temperature
In December, the average sea temperature is 16°C (60.8°F).Note: Most people do not take pleasure in swimming in water at 16°C (60.8°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 07:06 and sunset at 16:19. On the last day of December, in Supetar, sunrise is at 07:26 and sunset at 16:27 CET.
Sunshine
The months with the least sunshine in Supetar are January, November and December, with an average of 4h of sunshine.UV index
The months with the lowest UV index in Supetar, Croatia, are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. 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.
Frequently asked questions
What is the average December temperature in Supetar?
How much does it rain in Supetar in December?
How cold is the water in December in Supetar?
What is the month with the shortest days in Supetar?
How many hours of daylight does Supetar have in December?
What time are sunrise and sunset in December in Supetar?
What is the month with the least sunshine in Supetar?
How long on average sun shines in December in Supetar?
When is the lowest UV index in Supetar?
What is the UV index reading in December in Supetar?
Average temperature in December
Supetar, Croatia
- Average high temperature in December: 11°C
The warmest month (with the highest average high temperature) is July (29°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 4°C
The months with the highest average low temperature are July and August (19°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average rainfall in December
Supetar, Croatia
- Average rainfall in December: 119mm
The wettest month (with the highest rainfall) is November (120mm).
The driest month (with the least rainfall) is July (38mm).
Average rainfall days in December
Supetar, Croatia
- Average rainfall days in December: 13 days
The months with the highest number of rainy days are January, April, November and December (13 days).
The months with the least rainy days are July and August (9 days).
Average sea temperature in December
Supetar, Croatia
- Average sea temperature in December: 16°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are January and February (13.9°C).
Average daylight in December /
Average sunshine in December
Supetar, Croatia
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h
The month with the most sunshine is July (Average sunshine: 11h).
The months with the least sunshine are January, November and December (Average sunshine: 4h).
Average UV index in December
Supetar, Croatia
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).
Supetar, Croatia
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