December weather forecastChełmża, Poland

December

Weather in December

The first month of the winter, December, is still a cold month in Chełmża, Poland, with an average temperature fluctuating between 2.5°C (36.5°F) and -1°C (30.2°F).

Temperature

December brings a minor shift in the average high-temperature, adjusting from a chilly 7°C (44.6°F) in November to a wintry 2.5°C (36.5°F). Nighttime in Chełmża, during December, brings an average low of -1°C (30.2°F), a modest reduction from the day's peak.

Humidity

In December, the average relative humidity in Chełmża is 87%.

Rainfall

In Chełmża, in December, during 9.4 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, there are 126.1 rainfall days, and 320mm (12.6") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Chełmża, in December, snow falls for 5.7 days, with typically accumulated 28mm (1.1") of snow. Throughout the year, in Chełmża, there are 30.5 snowfall days, and 196mm (7.72") of snow is accumulated.

Daylight

With an average of 7h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:37 and sunset at 15:31. On the last day of December, sunrise is at 07:59 and sunset at 15:37 CET.

Sunshine

The average sunshine in December is 3.2h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Chełmża. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

The high-temperature in Chełmża during December is 2.5°C (36.5°F) and the low-temperature is -1°C (30.2°F).

The average relative humidity in December in Chełmża is 87%.

In Chełmża, Poland, during December, the rain falls for 9.4 days and regularly aggregates up to 22mm (0.87") of precipitation.

In Chełmża, in December, snow falls for 5.7 days, with typically accumulated 28mm (1.1") of snow.

The month with the shortest days in Chełmża is December, with an average of 7h and 36min of daylight.

The average day length in December in Chełmża is 7h and 38min.

On the first day of December in Chełmża, Poland, sunrise is at 07:37 and sunset at 15:31. On the last day of the month, sunrise is at 07:59 and sunset at 15:37 CET.

In Chełmża, the average sunshine duration in December is 3.2h.

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

In Chełmża, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from unsafe 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
Chełmża, Poland

  • Average high temperature in December: 2.5°C

The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in December: -1°C

The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).

Average pressure in December
Chełmża, Poland

  • Average pressure in December: 1015mbar

The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in December
Chełmża, Poland

  • Average wind speed in December: 14.2km/h

The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

Average humidity in December
Chełmża, Poland

  • Average humidity in December: 87%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Chełmża, Poland

  • Average rainfall in December: 22mm

The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in December
Chełmża, Poland

  • Average rainfall days in December: 9.4 days

The months with the highest number of rainy days are May and July (14.8 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in December
Chełmża, Poland

  • Average snowfall in December: 28mm

The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Chełmża, Poland

  • Average snowfall days in December: 5.7 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 7h and 36min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in December: 3h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in December
Chełmża, Poland

  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in December
Chełmża, Poland

  • Average UV index in December: 1

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

Average cloud cover in December
Chełmża, Poland

  • Average cloud cover in December: 70

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Chełmża, Poland

  • Average visibility in December: 8km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, November and December (8km).