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 snowfall in December
- Average snowfall days 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
The arrival of December corresponds with a shift in temperature, down from a fresh 11.5°C (52.7°F) in November to a chilly 6.1°C (43°F). The nighttime temperature dips to an icy 0.2°C (32.4°F) on average during December.Humidity
In Hrvatska Kostajnica, the average relative humidity in December is 84%.Rainfall
In Hrvatska Kostajnica, in December, it is raining for 9.3 days, with typically 42mm (1.65") of accumulated precipitation. In Hrvatska Kostajnica, during the entire year, the rain falls for 138.7 days and collects up to 590mm (23.23") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Hrvatska Kostajnica, in December, snow falls for 3.8 days, with typically accumulated 59mm (2.32") of snow. In Hrvatska Kostajnica, during the entire year, snow falls for 22.7 days and aggregates up to 359mm (14.13") of snow.Daylight
The month with the shortest days in Hrvatska Kostajnica is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 07:13 and sunset at 16:13. On the last day of December, sunrise is at 07:32 and sunset at 16:21 CET.
Sunshine
The average sunshine in December is 5.3h.UV index
The months with the lowest UV index in Hrvatska Kostajnica are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Hrvatska Kostajnica?
What is the average humidity in December in Hrvatska Kostajnica?
How many days does it rain in December in Hrvatska Kostajnica?
How much does it snow in Hrvatska Kostajnica in December?
What is the month with the shortest days in Hrvatska Kostajnica?
What is the average length of the day in December in Hrvatska Kostajnica?
What time are sunrise and sunset in December in Hrvatska Kostajnica?
How long on average sun shines in December in Hrvatska Kostajnica?
When is the lowest UV index in Hrvatska Kostajnica?
How high is the UV index in December in Hrvatska Kostajnica?
Average temperature in December
Hrvatska Kostajnica, Croatia
- Average high temperature in December: 6.1°C
The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in December: 0.2°C
The months with the highest average low temperature are July and August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).
Average pressure in December
Hrvatska Kostajnica, Croatia
- Average pressure in December: 1020.4mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.7mbar).
Average wind speed in December
Hrvatska Kostajnica, Croatia
- Average wind speed in December: 8km/h
The windiest month (with the highest average wind speed) is March (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in December
Hrvatska Kostajnica, Croatia
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Hrvatska Kostajnica, Croatia
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is May (85mm).
The driest month (with the least rainfall) is March (37mm).
Average rainfall days in December
Hrvatska Kostajnica, Croatia
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in December
Hrvatska Kostajnica, Croatia
- Average snowfall in December: 59mm
The month with the highest snowfall is January (117mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Hrvatska Kostajnica, Croatia
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hrvatska Kostajnica, Croatia
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Hrvatska Kostajnica, Croatia
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Hrvatska Kostajnica, Croatia
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Hrvatska Kostajnica, Croatia
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Hrvatska Kostajnica, Croatia
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
Hrvatska Kostajnica, Croatia
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