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
December's advent presents an average high-temperature of a still frosty 6.5°C (43.7°F), indicating a slight variation from the conditions of the previous month. Port Henderson's nights in December maintain a consistent average of 4.1°C (39.4°F), demonstrating a minimal differential from its daytime temperature.Humidity
In Port Henderson, the average relative humidity in December is 82%.Rainfall
In Port Henderson, during December, the rain falls for 19.9 days and regularly aggregates up to 60mm (2.36") of precipitation. Throughout the year, in Port Henderson, there are 220 rainfall days, and 558mm (21.97") of precipitation is accumulated.Snowfall
Months with snowfall in Port Henderson, United Kingdom, are January through April, November and December. In Port Henderson, United Kingdom, during December, snow falls for 1.1 days and regularly aggregates up to 5mm (0.2") of snow. In Port Henderson, during the entire year, snow falls for 10.2 days and aggregates up to 72mm (2.83") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 42min of daylight.On the first day of December, sunrise is at 8:41 am and sunset at 3:42 pm. On the last day of the month, sunrise is at 9:06 am and sunset at 3:46 pm GMT.
Sunshine
December has the least sunshine of the year in Port Henderson, with an average of 2.9h of sunshine.UV index
The months with the lowest UV index in Port Henderson are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Port Henderson during December?
What is the average humidity in December in Port Henderson?
How much does it rain in Port Henderson in December?
How much does it snow in Port Henderson in December?
What is the month with the shortest days in Port Henderson?
How many hours of daylight does Port Henderson have in December?
When is the sunrise / sunset in December in Port Henderson?
What is the month with the least sunshine in Port Henderson?
How long on average sun shines in December in Port Henderson?
What are the months with the lowest UV index in Port Henderson?
How high is the UV index in December in Port Henderson?
Average temperature in December
Port Henderson, United Kingdom
- Average high temperature in December: 6.5°C
The warmest months (with the highest average high temperature) are July and August (14.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 4.1°C
The month with the highest average low temperature is July (11°C).
The coldest month (with the lowest average low temperature) is February (3.2°C).
Average pressure in December
Port Henderson, United Kingdom
- Average pressure in December: 1004.9mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1004.9mbar).
Average wind speed in December
Port Henderson, United Kingdom
- Average wind speed in December: 26.5km/h
The windiest month (with the highest average wind speed) is January (27.1km/h).
The calmest month (with the lowest average wind speed) is June (15.1km/h).
Average humidity in December
Port Henderson, United Kingdom
- Average humidity in December: 82%
The months with the highest relative humidity are July and August (86%).
The months with the lowest relative humidity are April and May (80%).
Average rainfall in December
Port Henderson, United Kingdom
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is October (64mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Port Henderson, United Kingdom
- Average rainfall days in December: 19.9 days
The month with the highest number of rainy days is August (21.5 days).
The month with the least rainy days is April (15.8 days).
Average snowfall in December
Port Henderson, United Kingdom
- Average snowfall in December: 5mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Port Henderson, United Kingdom
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Port Henderson, United Kingdom
- Average daylight in December: 6h and 4min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Port Henderson, United Kingdom
- Average sunshine days in December: 7.3 days
The month with the most sunshine days is May (11.3 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in December
Port Henderson, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Port Henderson, United Kingdom
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 58).
Average visibility in December
Port Henderson, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are April and October (10km).
The months with the lowest visibility are January, February, March, May, June, July, August, September, November and December (9km).
Port Henderson, United Kingdom
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