December weather forecastPostira, Croatia
December
Weather in December
December, the first month of the winter in Postira, is also a fresh month, with an average temperature fluctuating between 8.8°C (47.8°F) and 11.5°C (52.7°F).Temperature
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a moderate 15.5°C (59.9°F) in November to a fresh 11.5°C (52.7°F). Throughout December, Postira's nights experience a slight temperature dip to a frosty 8.8°C (47.8°F).Humidity
In December, the average relative humidity is 68%.Rainfall
In December, in Postira, the rain falls for 9.9 days. Throughout December, 22mm (0.87") of precipitation is accumulated. In Postira, Croatia, during the entire year, the rain falls for 97.2 days and collects up to 202mm (7.95") of precipitation.Snowfall
January, April through December are months without snowfall.Sea temperature
In Postira, the average seawater temperature in December is 15°C (59°F).Note: In 15°C (59°F), swimming is not an enjoyable activity for most. As the temperature decreases from 21°C (69.8°F) to 15°C (59°F), it becomes harder to control breathing.
Daylight
The month with the shortest days in Postira, Croatia, is December, with an average of 9h and 0min of daylight.On the first day of December in Postira, sunrise is at 07:06 and sunset at 16:18. On the last day of the month, sunrise is at 07:25 and sunset at 16:27 CET.
Sunshine
In Postira, Croatia, the average sunshine in December is 6.1h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Postira, Croatia. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Postira, Croatia
- Average high temperature in December: 11.5°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (10.2°C).
- Average low temperature in December: 8.8°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).
Average pressure in December
Postira, Croatia
- Average pressure in December: 1018.9mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in December
Postira, Croatia
- Average wind speed in December: 18.6km/h
The windiest month (with the highest average wind speed) is February (20.4km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in December
Postira, Croatia
- Average humidity in December: 68%
The month with the highest relative humidity is November (72%).
The months with the lowest relative humidity are July and August (64%).
Average rainfall in December
Postira, Croatia
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is August (7mm).
Average rainfall days in December
Postira, Croatia
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is November (11.1 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in December
Postira, Croatia
- Average snowfall in December: 0mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Postira, Croatia
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Postira, Croatia
- Average sea temperature in December: 15°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, February, March and April (14°C).
Average daylight in December /
Average sunshine in December
Postira, 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: 6h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 42min).
Average sunshine days in December
Postira, Croatia
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is August (25 days).
The months with the least sunshine days are February and November (16.5 days).
Average UV index in December
Postira, Croatia
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Postira, Croatia
- Average cloud cover in December: 34
The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Postira, Croatia
- 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).
