December weather forecastStryjno, Poland

December

Weather in December

December, the first month of the winter in Stryjno, is also a wintry month, with an average temperature ranging between max 3.5°C (38.3°F) and min -0.1°C (31.8°F).

Temperature

The decrease of average high-temperatures is mild in December, with a decline from a frosty 8.5°C (47.3°F) in November to a wintry 3.5°C (38.3°F). Stryjno notes a steady average temperature of -0.1°C (31.8°F) during the nights of December.

Humidity

The average relative humidity in December is 85%.

Rainfall

In Stryjno, during December, the rain falls for 13.9 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, there are 160.9 rainfall days, and 438mm (17.24") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Stryjno, during December, snow falls for 8.5 days and regularly aggregates up to 81mm (3.19") of snow. In Stryjno, during the entire year, snow falls for 44.6 days and aggregates up to 402mm (15.83") of snow.

Daylight

With an average of 7h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:37 and sunset at 15:47. On the last day of the month, sunrise is at 07:58 and sunset at 15:54 CET.

Sunshine

The average sunshine in December is 3.9h.

UV index

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

The high-temperature, in December, in Stryjno, is 3.5°C (38.3°F), while the low-temperature averages to -0.1°C (31.8°F).

In Stryjno, the average relative humidity in December is 85%.

In December, the rain falls for 13.9 days. Throughout December, 37mm (1.46") of precipitation is accumulated.

In Stryjno, during December, snow falls for 8.5 days and regularly aggregates up to 81mm (3.19") of snow.

December has the shortest days of the year, with an average of 7h and 54min of daylight.

The average day length in December is 7h and 56min.

On the first day of December, sunrise is at 07:37 and sunset at 15:47. On the last day of the month, sunrise is at 07:58 and sunset at 15:54 CET.

In Stryjno, the average sunshine duration in December is 3.9h.

The average daily maximum UV index in December in Stryjno is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Stryjno, Poland

  • Average high temperature in December: 3.5°C

The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (1.5°C).

  • Average low temperature in December: -0.1°C

The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).

Average pressure in December
Stryjno, Poland

  • Average pressure in December: 1016.9mbar

The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).

Average wind speed in December
Stryjno, Poland

  • Average wind speed in December: 13.2km/h

The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).

Average humidity in December
Stryjno, Poland

  • Average humidity in December: 85%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).

Average rainfall in December
Stryjno, Poland

  • Average rainfall in December: 37mm

The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in December
Stryjno, Poland

  • Average rainfall days in December: 13.9 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (9.6 days).

Average snowfall in December
Stryjno, Poland

  • Average snowfall in December: 81mm

The month with the highest snowfall is January (139mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Stryjno, Poland

  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Stryjno, Poland

  • Average daylight in December: 7h and 54min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in December: 3h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in December
Stryjno, Poland

  • Average sunshine days in December: 10.2 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is January (7.8 days).

Average UV index in December
Stryjno, Poland

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in December
Stryjno, Poland

  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Stryjno, Poland

  • Average visibility in December: 8km

The months with the highest visibility are July and August (10km).
The month with the lowest visibility is January (7km).