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 sea temperature 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
The commencement of December records an average high-temperature of a chilly 9.1°C (48.4°F), barely varying from November's 11.1°C (52°F). Christchurch sustains a near constant temperature throughout December, with nighttime averages of 5.5°C (41.9°F).Humidity
The months with the highest humidity in Christchurch, United Kingdom, are January and December, with an average relative humidity of 86%.Rainfall
December is the month with the most rainfall. Rain falls for 17.6 days and accumulates 66mm (2.6") of precipitation.Snowfall
January, February, November and December are months with snowfall in Christchurch. December is the month with the most snowfall. Snow falls for 0.8 days and accumulates 6mm (0.24") of snow.Sea temperature
In December, the average sea temperature is 11.8°C (53.2°F).Note: Swimming at temperatures less than 10°C (50°F) in 11.8°C (53.2°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
Daylight
The month with the shortest days in Christchurch is December, with an average of 8h and 6min of daylight.On the first day of December in Christchurch, sunrise is at 7:47 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 4:11 pm GMT.
Sunshine
In December, the average sunshine in Christchurch is 4.5h.UV index
In December, the average daily maximum UV index in Christchurch is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Christchurch?
What are the most humid months in Christchurch?
What is the average humidity in December in Christchurch?
What is the rainiest month in Christchurch?
How many days does it rain in December in Christchurch?
When does it snow the most in Christchurch?
How many days does it snow in December in Christchurch?
What is the water temperature in December in Christchurch?
What is the month with the shortest days in Christchurch?
What is the average length of the day in December in Christchurch?
When is the sunrise / sunset in December in Christchurch?
How many hours of sunshine does Christchurch have in December?
What is the UV index intensity in December in Christchurch?
Average temperature in December
Christchurch, United Kingdom
- Average high temperature in December: 9.1°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in December: 5.5°C
The month with the highest average low temperature is August (13.9°C).
The coldest months (with the lowest average low temperature) are January and February (4.2°C).
Average pressure in December
Christchurch, United Kingdom
- Average pressure in December: 1015mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in December
Christchurch, United Kingdom
- Average wind speed in December: 22.7km/h
The windiest month (with the highest average wind speed) is December (22.7km/h).
The calmest month (with the lowest average wind speed) is July (15.9km/h).
Average humidity in December
Christchurch, United Kingdom
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April, May, July, August and September (81%).
Average rainfall in December
Christchurch, United Kingdom
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Christchurch, United Kingdom
- Average rainfall days in December: 17.6 days
The month with the highest number of rainy days is November (18.6 days).
The month with the least rainy days is September (13.2 days).
Average snowfall in December
Christchurch, United Kingdom
- Average snowfall in December: 6mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Christchurch, United Kingdom
- Average snowfall days in December: 0.8 days
The months with the highest number of snowfall days are January and February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Christchurch, United Kingdom
- Average sea temperature in December: 11.8°C
The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.7°C).
Average daylight in December /
Average sunshine in December
Christchurch, United Kingdom
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Christchurch, United Kingdom
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is March (13.8 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in December
Christchurch, United Kingdom
- Average UV index in December: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Christchurch, United Kingdom
- Average cloud cover in December: 57
The month with the most cloud cover is November (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 42).
Average visibility in December
Christchurch, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, June, July, August, September and November (10km).
The months with the lowest visibility are January, May, October and December (9km).
