December weather forecast
Grechów, Poland

December

Weather in December

The first month of the winter, December, is still a cold month in Grechów, Poland, with an average temperature ranging between min -1.5°C (29.3°F) and max 2.1°C (35.8°F).

Temperature

Grechów's average high-temperature decreases in December, falling from a frosty 7.3°C (45.1°F) in November to a wintry 2.1°C (35.8°F). Grechów's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a freezing cold -1.5°C (29.3°F).

Humidity

In December, the average relative humidity is 86%.

Rainfall

In December, in Grechów, the rain falls for 12.2 days. Throughout December, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 161.4 rainfall days, and 490mm (19.29") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, in Grechów, it is snowing for 11.6 days. Throughout December, 95mm (3.74") of snow is accumulated. Throughout the year, in Grechów, there are 56.6 snowfall days, and 482mm (18.98") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 0min of daylight.
On the first day of the month, sunrise is at 07:16 and sunset at 15:30. On the last day of December, in Grechów, sunrise is at 07:37 and sunset at 15:36 CET.

Sunshine

In Grechów, the average sunshine in December is 3.4h.

UV index

The months with the lowest UV index in Grechów are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is it in Grechów in December?
During December, Grechów experiences an average high-temperature of 2.1°C (35.8°F) and a low-temperature of -1.5°C (29.3°F).
What is the average humidity in December in Grechów?
The average relative humidity in December in Grechów, Poland, is 86%.
How many days does it rain in December in Grechów?
In Grechów, during December, the rain falls for 12.2 days and regularly aggregates up to 38mm (1.5") of precipitation.
How much does it snow in Grechów in December?
In Grechów, Poland, in December, snow falls for 11.6 days, with typically accumulated 95mm (3.74") of snow.
What is the month with the shortest days in Grechów?
With an average of 8h and 0min of daylight, December has the shortest days of the year in Grechów.
How many hours of daylight does Grechów have in December?
The average day length in December is 7h and 59min.
When is the sunrise / sunset in December in Grechów?
In December, on the first day of the month, sunrise is at 07:16 and sunset at 15:30. On the last day of the month, in Grechów, Poland, sunrise is at 07:37 and sunset at 15:36 CET.
How long on average sun shines in December in Grechów?
In December, the average sunshine duration is 3.4h.
When is the lowest UV index in Grechów?
The months with the lowest UV index in Grechów, Poland, are January and December, with an average maximum UV index of 1.
How high is the UV index in December in Grechów?
In December, the average daily maximum UV index in Grechów, Poland, is 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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 - Grechów, Poland
Average temperature in December
Grechów, Poland
  • Average high temperature in December: 2.1°C

The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in December: -1.5°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average pressure in December - Grechów, Poland
Average pressure in December
Grechów, Poland
  • Average pressure in December: 1017.6mbar

The month with the highest atmospheric pressure is October (1018.8mbar).
The month with the lowest atmospheric pressure is July (1014.1mbar).

Average wind speed in December - Grechów, Poland
Average wind speed in December
Grechów, Poland
  • Average wind speed in December: 12.6km/h

The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).

Average humidity in December - Grechów, Poland
Average humidity in December
Grechów, Poland
  • Average humidity in December: 86%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).

Average rainfall in December - Grechów, Poland
Average rainfall in December
Grechów, Poland
  • Average rainfall in December: 38mm

The wettest months (with the highest rainfall) are May and July (63mm).
The driest month (with the least rainfall) is November (27mm).

Average rainfall days in December - Grechów, Poland
Average rainfall days in December
Grechów, Poland
  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December - Grechów, Poland
Average snowfall in December
Grechów, Poland
  • Average snowfall in December: 95mm

The month with the highest snowfall is January (149mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Grechów, Poland
Average snowfall days in December
Grechów, Poland
  • Average snowfall days in December: 11.6 days

The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Grechów, Poland
Average daylight in December /
Average sunshine in December
Grechów, Poland
  • Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).

Average sunshine days in December - Grechów, Poland
Average sunshine days in December
Grechów, Poland
  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is January (8.1 days).

Average UV index in December - Grechów, Poland
Average UV index in December
Grechów, Poland
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December - Grechów, Poland
Average cloud cover in December
Grechów, Poland
  • Average cloud cover in December: 67

The months with the most cloud cover are January and February (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December - Grechów, Poland
Average visibility in December
Grechów, Poland
  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).

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