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
Portinfer's shift from November to December is accompanied by an average high-temperature of a still fresh 10.8°C (51.4°F), a slight deviation from 12.9°C (55.2°F). The month of December shows a minor drop from daytime temperatures, generally recording a low average of 9.2°C (48.6°F).Humidity
February, November and December, with an average relative humidity of 78%, are the least humid months in Portinfer.Rainfall
In Portinfer, Jersey, in December, during 20.5 rainfall days, 66mm (2.6") of precipitation is typically accumulated. Throughout the year, there are 191.6 rainfall days, and 531mm (20.91") of precipitation is accumulated.Snowfall
In Portinfer, snow does not fall in February, April through October and December.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year in Portinfer.On the first day of the month, sunrise is at 07:43 and sunset at 16:13. On the last day of December, sunrise is at 08:03 and sunset at 16:20 GMT.
Sunshine
The average sunshine in December is 4.1h.UV index
In Portinfer, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Portinfer?
What is the least humid month in Portinfer?
What is the average humidity in December in Portinfer?
How many days does it rain in December in Portinfer?
When it does not snow in Portinfer?
Does it snow in Portinfer in December?
What is the month with the shortest days in Portinfer?
How many hours of daylight does Portinfer have in December?
What time are sunrise and sunset in December in Portinfer?
How many hours of sunshine does Portinfer have in December?
How high is the UV index in December in Portinfer?
Average temperature in December
Portinfer, Jersey
- Average high temperature in December: 10.8°C
The warmest month (with the highest average high temperature) is August (18.1°C).
The month with the lowest average high temperature is February (9°C).
- Average low temperature in December: 9.2°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).
Average pressure in December
Portinfer, Jersey
- Average pressure in December: 1016.9mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in December
Portinfer, Jersey
- Average wind speed in December: 34.3km/h
The windiest month (with the highest average wind speed) is December (34.3km/h).
The calmest month (with the lowest average wind speed) is July (20.6km/h).
Average humidity in December
Portinfer, Jersey
- Average humidity in December: 78%
The month with the highest relative humidity is June (84%).
The months with the lowest relative humidity are February, November and December (78%).
Average rainfall in December
Portinfer, Jersey
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is November (74mm).
The driest months (with the least rainfall) are May and July (27mm).
Average rainfall days in December
Portinfer, Jersey
- Average rainfall days in December: 20.5 days
The month with the highest number of rainy days is November (20.7 days).
The month with the least rainy days is May (12.7 days).
Average snowfall in December
Portinfer, Jersey
- Average snowfall in December: 0mm
The months with the highest snowfall are January, March and November (1mm).
The months with the least snowfall are February, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in December
Portinfer, Jersey
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are February and March (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Portinfer, Jersey
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Portinfer, Jersey
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is May (15.3 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in December
Portinfer, Jersey
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in December
Portinfer, Jersey
- Average cloud cover in December: 61
The months with the most cloud cover are January, November and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Portinfer, Jersey
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Portinfer, Jersey
Weather forecast for your location
2. Allow the app to use your location