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
Hernialde ushers in December with an average high-temperature of a cool 11.4°C (52.5°F), showing a close resemblance to the previous month. A slight dip in temperature to a frosty 7.6°C (45.7°F) marks the average nights in Hernialde during December.Humidity
The average relative humidity in December in Hernialde is 77%.Rainfall
In Hernialde, during December, the rain falls for 15.9 days and regularly aggregates up to 61mm (2.4") of precipitation. In Hernialde, Spain, during the entire year, the rain falls for 214.2 days and collects up to 837mm (32.95") of precipitation.Snowfall
Months with snowfall in Hernialde are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 2.4 snowfall days, and 12mm (0.47") of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Hernialde.On the first day of the month, sunrise is at 08:20 and sunset at 17:34. On the last day of December, sunrise is at 08:40 and sunset at 17:43 CET.
Sunshine
In December, the average sunshine in Hernialde is 5.3h.UV index
January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 in December translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Hernialde?
What is the average humidity in December in Hernialde?
How many days does it rain in December in Hernialde?
When does it start to snow in Hernialde?
What is the month with the shortest days in Hernialde?
What is the average length of the day in December in Hernialde?
What time are sunrise and sunset in December in Hernialde?
How many hours of sunshine does Hernialde have in December?
What are the months with the lowest UV index in Hernialde?
What is the UV index intensity in December in Hernialde?
Average temperature in December
Hernialde, Spain
- Average high temperature in December: 11.4°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in December: 7.6°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in December
Hernialde, Spain
- Average pressure in December: 1021.8mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Hernialde, Spain
- Average wind speed in December: 16.1km/h
The windiest month (with the highest average wind speed) is November (16.8km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Hernialde, Spain
- Average humidity in December: 77%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Hernialde, Spain
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the least rainfall) is September (44mm).
Average rainfall days in December
Hernialde, Spain
- Average rainfall days in December: 15.9 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is October (14.8 days).
Average snowfall in December
Hernialde, Spain
- Average snowfall in December: 1mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Hernialde, Spain
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Hernialde, Spain
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 48min).
Average sunshine days in December
Hernialde, Spain
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is October (13.6 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in December
Hernialde, Spain
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in December
Hernialde, Spain
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
Hernialde, Spain
- Average visibility in December: 10km
The months with the highest visibility are February, March, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, April, May and November (9km).
Hernialde, Spain
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