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
Grajewo's weather subtly changes with the onset of December, barely falling from 5.5°C (41.9°F) in November to a still icy 0.9°C (33.6°F). Grajewo, in December, registers an average low temperature of -2.4°C (27.7°F), showing a minute reduction from daily highs.Humidity
In Grajewo, the average relative humidity in December is 90%.Rainfall
In Grajewo, Poland, in December, during 9.3 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Grajewo, Poland, during the entire year, the rain falls for 154.9 days and collects up to 435mm (17.13") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Grajewo, it is snowing for 10.9 days. Throughout December, 85mm (3.35") of snow is accumulated. Throughout the year, in Grajewo, there are 51.3 snowfall days, and 355mm (13.98") of snow is accumulated.Daylight
December has the shortest days of the year in Grajewo, with an average of 7h and 36min of daylight.On the first day of December, sunrise is at 07:24 and sunset at 15:14. On the last day of the month, sunrise is at 07:46 and sunset at 15:19 CET.
Sunshine
In Grajewo, the average sunshine in December is 2.7h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To guard against the harmful effects of the Sun, minimize exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is it in Grajewo in December?
What is the average humidity in December in Grajewo?
How much does it rain in Grajewo in December?
How much does it snow in Grajewo in December?
What is the month with the shortest days in Grajewo?
What is the average length of the day in December in Grajewo?
When is the sunrise / sunset in December in Grajewo?
How long on average sun shines in December in Grajewo?
What are the months with the lowest UV index in Grajewo?
How high is the UV index in December in Grajewo?
Average temperature in December
Grajewo, Poland
- Average high temperature in December: 0.9°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in December: -2.4°C
The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).
Average pressure in December
Grajewo, Poland
- Average pressure in December: 1014.8mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in December
Grajewo, Poland
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Grajewo, Poland
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Grajewo, Poland
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is June (65mm).
The driest months (with the least rainfall) are February and April (20mm).
Average rainfall days in December
Grajewo, Poland
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Grajewo, Poland
- Average snowfall in December: 85mm
The month with the highest snowfall is January (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grajewo, Poland
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grajewo, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 18min).
Average sunshine days in December
Grajewo, Poland
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Grajewo, 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, February, November and December (UV index 1).
Average cloud cover in December
Grajewo, Poland
- Average cloud cover in December: 75
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Grajewo, Poland
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and December (7km).
Grajewo, Poland
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