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
December
Weather in December
Temperature
In Ciechanow, the average high-temperature in December slightly decreases from a frosty 6.5°C (43.7°F) in November to a wintry 1.6°C (34.9°F). Ciechanow's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a subzero cold -1.6°C (29.1°F).Humidity
In December, the average relative humidity is 89%.Rainfall
In Ciechanow, in December, it is raining for 9.4 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, in Ciechanow, Poland, there are 135.2 rainfall days, and 349mm (13.74") of precipitation is accumulated.Snowfall
Months with snowfall in Ciechanow are January through May, October through December. In Ciechanow, in December, snow falls for 8.7 days, with typically accumulated 51mm (2.01") of snow. Throughout the year, there are 43.2 snowfall days, and 291mm (11.46") of snow is accumulated.Daylight
The month with the shortest days in Ciechanow is December, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 07:27 and sunset at 15:25. On the last day of December, in Ciechanow, sunrise is at 07:50 and sunset at 15:31 CET.
Sunshine
In December, the average sunshine in Ciechanow is 3h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Ciechanow in December?
What is the average humidity in December in Ciechanow?
How many days does it rain in December in Ciechanow?
How much does it snow in Ciechanow in December?
What is the month with the shortest days in Ciechanow?
How many hours of daylight does Ciechanow have in December?
When are sunrise and sunset in December in Ciechanow?
How long on average sun shines in December in Ciechanow?
What is the month with the lowest UV index in Ciechanow?
What is the UV index intensity in December in Ciechanow?
Average temperature in December
Ciechanow, Poland
- Average high temperature in December: 1.6°C
The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in December
Ciechanow, Poland
- Average pressure in December: 1015.4mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Ciechanow, Poland
- Average wind speed in December: 13.4km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Ciechanow, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Ciechanow, Poland
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Ciechanow, Poland
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Ciechanow, Poland
- Average snowfall in December: 51mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Ciechanow, Poland
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ciechanow, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Ciechanow, Poland
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in December
Ciechanow, Poland
- Average UV index in December: 1
The months with the highest UV index are 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
Ciechanow, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Ciechanow, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).
