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 aligns with a minor decrease in average high-temperatures, from November's frosty 8.7°C (47.7°F) to a cold 5.4°C (41.7°F). In Hertme, the average low-temperature during December nights tends to settle at a still icy 2°C (35.6°F), indicating a slight drop from the daytime peak.Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
In December, the rain falls for 17.4 days. Throughout December, 51mm (2.01") of precipitation is accumulated. Throughout the year, in Hertme, there are 196.2 rainfall days, and 505mm (19.88") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Hertme. In December, in Hertme, it is snowing for 4.3 days. Throughout December, 27mm (1.06") of snow is accumulated. Throughout the year, in Hertme, there are 17.5 snowfall days, and 102mm (4.02") of snow is accumulated.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:20 and sunset at 16:23. On the last day of the month, sunrise is at 08:42 and sunset at 16:29 CET.
Sunshine
With an average of 3.4h of sunshine, December has the least sunshine of the year in Hertme.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hertme. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Hertme?
What is the most humid month in Hertme?
What is the average humidity in December in Hertme?
How many days does it rain in December in Hertme?
How much does it snow in Hertme in December?
What is the month with the shortest days in Hertme?
What is the average length of the day in December in Hertme?
When is the sunrise / sunset in December in Hertme?
What is the month with the least sunshine in Hertme?
How long on average sun shines in December in Hertme?
What is the month with the lowest UV index in Hertme?
What is the UV index reading in December in Hertme?
Average temperature in December
Hertme, Netherlands
- Average high temperature in December: 5.4°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in December: 2°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in December
Hertme, Netherlands
- Average pressure in December: 1014.6mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in December
Hertme, Netherlands
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in December
Hertme, Netherlands
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Hertme, Netherlands
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Hertme, Netherlands
- Average rainfall days in December: 17.4 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is September (13.5 days).
Average snowfall in December
Hertme, Netherlands
- Average snowfall in December: 27mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Hertme, Netherlands
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hertme, Netherlands
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Hertme, Netherlands
- Average sunshine days in December: 7.9 days
The months with the most sunshine days are September and October (13.5 days).
The month with the least sunshine days is December (7.9 days).
Average UV index in December
Hertme, Netherlands
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Hertme, Netherlands
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in December
Hertme, Netherlands
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, September and December (8km).
