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
Transition into December subtly marks a drop in the average high-temperature, moderately moving from -0.1°C (31.8°F) in November to a still freezing cold -3.5°C (25.7°F). Hammarstrand encounters a negligible difference from daytime peaks throughout the December nights, with a low-temperature average of -7.2°C (19°F).Humidity
The average relative humidity in December is 92%.Rainfall
In December, the rain falls for 8.1 days. Throughout December, 39mm (1.54") of precipitation is accumulated. In Hammarstrand, during the entire year, the rain falls for 141.8 days and collects up to 461mm (18.15") of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 17.6 days and typically aggregates up to 236mm (9.29") of snow.Daylight
With an average of 4h and 54min of daylight, December has the shortest days of the year in Hammarstrand.On the first day of December, sunrise is at 09:00 and sunset at 14:26. On the last day of the month, sunrise is at 09:31 and sunset at 14:24 CET.
Sunshine
The month with the least sunshine is December, with an average of 1.4h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Hammarstrand have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Hammarstrand, Sweden
- Average high temperature in December: -3.5°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (-5°C).
- Average low temperature in December: -7.2°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is February (-9.8°C).
Average pressure in December
Hammarstrand, Sweden
- Average pressure in December: 1005.9mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.9mbar).
Average wind speed in December
Hammarstrand, Sweden
- Average wind speed in December: 10.2km/h
The windiest month (with the highest average wind speed) is March (10.7km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in December
Hammarstrand, Sweden
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (67%).
Average rainfall in December
Hammarstrand, Sweden
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is July (61mm).
The driest month (with the least rainfall) is February (25mm).
Average rainfall days in December
Hammarstrand, Sweden
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Hammarstrand, Sweden
- Average snowfall in December: 236mm
The month with the highest snowfall is December (236mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hammarstrand, Sweden
- Average snowfall days in December: 17.6 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hammarstrand, Sweden
- Average daylight in December: 4h and 5min
The month with the longest days is June (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 4h and 54min).
- Average sunshine in December: 1h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in December
Hammarstrand, Sweden
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is October (15.1 days).
The month with the least sunshine days is April (9 days).
Average UV index in December
Hammarstrand, Sweden
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Hammarstrand, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in December
Hammarstrand, Sweden
- Average visibility in December: 6km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).
