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
December's onset introduces a mild reduction in the average high-temperature, from 5.5°C (41.9°F) in November to a still cold 2°C (35.6°F). Night temperatures in December in Östhamra exhibit a subtle decrease, settling at an average of -0.6°C (30.9°F).Humidity
In December, the average relative humidity in Östhamra is 85%.Rainfall
In Östhamra, Sweden, in December, it is raining for 10 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 140.1 rainfall days, and 354mm (13.94") of precipitation is accumulated.Snowfall
Months with snowfall in Östhamra are January through May, October through December. In December, in Östhamra, it is snowing for 9.7 days. Throughout December, 56mm (2.2") of snow is accumulated. In Östhamra, during the entire year, snow falls for 47.1 days and aggregates up to 311mm (12.24") of snow.Daylight
With an average of 6h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:18 and sunset at 14:49. On the last day of December, sunrise is at 08:45 and sunset at 14:51 CET.
Sunshine
With an average of 2.4h of sunshine, December has the least sunshine of the year.UV index
In Östhamra, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Boost your sun resistance with garments that are densely woven yet spacious. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Östhamra?
What is the average humidity in December in Östhamra?
How many days does it rain in December in Östhamra?
How many days does it snow in December in Östhamra?
What is the month with the shortest days in Östhamra?
How many hours of daylight does Östhamra have in December?
When is the sunrise / sunset in December in Östhamra?
What is the month with the least sunshine in Östhamra?
How long on average sun shines in December in Östhamra?
What is the UV index intensity in December in Östhamra?
Average temperature in December
Östhamra, Sweden
- Average high temperature in December: 2°C
The warmest months (with the highest average high temperature) are July and August (19.5°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in December: -0.6°C
The months with the highest average low temperature are July and August (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (-2.5°C).
Average pressure in December
Östhamra, Sweden
- Average pressure in December: 1007.5mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).
Average wind speed in December
Östhamra, Sweden
- Average wind speed in December: 21.8km/h
The windiest month (with the highest average wind speed) is December (21.8km/h).
The calmest month (with the lowest average wind speed) is July (14.3km/h).
Average humidity in December
Östhamra, Sweden
- Average humidity in December: 85%
The months with the highest relative humidity are February and November (86%).
The months with the lowest relative humidity are April, May and June (75%).
Average rainfall in December
Östhamra, Sweden
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Östhamra, Sweden
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Östhamra, Sweden
- Average snowfall in December: 56mm
The month with the highest snowfall is February (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Östhamra, Sweden
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Östhamra, Sweden
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in December
Östhamra, Sweden
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is May (14.5 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in December
Östhamra, Sweden
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Östhamra, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Östhamra, Sweden
- Average visibility in December: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
