Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January observes an average high-temperature of a frosty 9.5°C (49.1°F), marking an insignificant difference from December's 10.8°C (51.4°F). A mild drop to an average of 7.3°C (45.1°F) marks the nights in Portinfer during January.Humidity
In Portinfer, Jersey, the average relative humidity in January is 79%.Rainfall
In Portinfer, in January, it is raining for 20.3 days, with typically 55mm (2.17") of accumulated precipitation. In Portinfer, during the entire year, the rain falls for 191.6 days and collects up to 531mm (20.91") of precipitation.Snowfall
Months with snowfall are January, March and November. The months with the most snowfall in Portinfer are January, March and November, with an average 1mm (0.04") of accumulated snow.Daylight
In January, the average length of the day is 8h and 45min.On the first day of the month, sunrise is at 08:03 and sunset at 16:20. On the last day of January, in Portinfer, sunrise is at 07:41 and sunset at 17:02 GMT.
Sunshine
With an average of 4h of sunshine, January has the least sunshine of the year in Portinfer.UV index
In Portinfer, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 3 in January interprets into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the usual temperature for Portinfer in January?
What is the average humidity in January in Portinfer?
How many days does it rain in January in Portinfer?
What is the snowiest month in Portinfer?
When does it start to snow in Portinfer?
How many hours of daylight does Portinfer have in January?
When are sunrise and sunset in January in Portinfer?
What is the month with the least sunshine in Portinfer?
How many hours of sunshine does Portinfer have in January?
What is the UV index intensity in January in Portinfer?
Average temperature in January
Portinfer, Jersey
- Average high temperature in January: 9.5°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 January: 7.3°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 January
Portinfer, Jersey
- Average pressure in January: 1016.4mbar
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 January
Portinfer, Jersey
- Average wind speed in January: 32.3km/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 January
Portinfer, Jersey
- Average humidity in January: 79%
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 January
Portinfer, Jersey
- Average rainfall in January: 55mm
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 January
Portinfer, Jersey
- Average rainfall days in January: 20.3 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 January
Portinfer, Jersey
- Average snowfall in January: 1mm
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 January
Portinfer, Jersey
- Average snowfall days in January: 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 January /
Average sunshine in January
Portinfer, Jersey
- Average daylight in January: 8h and 4min
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 January: 4h and 0min
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 January
Portinfer, Jersey
- Average sunshine days in January: 7.9 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 January
Portinfer, Jersey
- Average UV index in January: 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 January
Portinfer, Jersey
- Average cloud cover in January: 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 January
Portinfer, Jersey
- Average visibility in January: 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
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