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 arrival shows an average high-temperature of a still cold 2.5°C (36.5°F), hardly different from the previous month. Consistently, Helgøy reports average nighttime temperatures of 0.1°C (32.2°F) during December, a marginal step down from its daytime highs.Humidity
January, March and December, with an average relative humidity of 73%, are the least humid months in Helgøy.Rainfall
In Helgøy, during December, the rain falls for 10.3 days and regularly aggregates up to 77mm (3.03") of precipitation. Throughout the year, in Helgøy, there are 169.3 rainfall days, and 802mm (31.57") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Helgøy. In Helgøy, in December, snow falls for 16.3 days, with typically accumulated 187mm (7.36") of snow. In Helgøy, during the entire year, snow falls for 103.8 days and aggregates up to 1256mm (49.45") of snow.Daylight
June and December, with an average of 0h and 0min of daylight, are months with the shortest days.Sunshine
December has the least sunshine of the year, with an average of 0.3h of sunshine.UV index
In December, the average daily maximum UV index in Helgøy, Norway, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Helgøy in December?
What is the least humid month in Helgøy?
What is the average humidity in December in Helgøy?
How much does it rain in Helgøy in December?
How many days does it snow in December in Helgøy?
What are the months with the shortest days in Helgøy?
What is the average length of the day in December in Helgøy?
What is the month with the least sunshine in Helgøy?
How long on average sun shines in December in Helgøy?
How high is the UV index in December in Helgøy?
Average temperature in December
Helgøy, Norway
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (11.5°C).
The month with the lowest average high temperature is February (0.7°C).
- Average low temperature in December: 0.1°C
The month with the highest average low temperature is August (9.3°C).
The coldest month (with the lowest average low temperature) is February (-2.3°C).
Average pressure in December
Helgøy, Norway
- Average pressure in December: 1000.1mbar
The month with the highest atmospheric pressure is May (1013.6mbar).
The month with the lowest atmospheric pressure is December (1000.1mbar).
Average wind speed in December
Helgøy, Norway
- Average wind speed in December: 27.5km/h
The windiest month (with the highest average wind speed) is January (28.2km/h).
The calmest month (with the lowest average wind speed) is July (17.1km/h).
Average humidity in December
Helgøy, Norway
- Average humidity in December: 73%
The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are January, March and December (73%).
Average rainfall in December
Helgøy, Norway
- Average rainfall in December: 77mm
The wettest month (with the highest rainfall) is March (90mm).
The driest month (with the least rainfall) is July (47mm).
Average rainfall days in December
Helgøy, Norway
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is June (20.6 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Helgøy, Norway
- Average snowfall in December: 187mm
The month with the highest snowfall is March (258mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Helgøy, Norway
- Average snowfall days in December: 16.3 days
The month with the highest number of snowfall days is March (20.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Helgøy, Norway
- Average daylight in December: 0h and 0min
The month with the longest days is August (Average daylight: 18h and 12min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in December: 0h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 12min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).
Average sunshine days in December
Helgøy, Norway
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is August (10.3 days).
The month with the least sunshine days is March (3.6 days).
Average UV index in December
Helgøy, Norway
- Average UV index in December: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February and March (UV index 1).
Average cloud cover in December
Helgøy, Norway
- Average cloud cover in December: 66
The month with the most cloud cover is March (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 58).
Average visibility in December
Helgøy, Norway
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August, September, October and November (9km).
The month with the lowest visibility is March (7km).
