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 sea temperature 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
January
Weather in January
Temperature
The onset of January brings an average high-temperature of a chilly 9.3°C (48.7°F), nearly matching the December temperature. Portbail maintains a consistent average nighttime low-temperature of 7.3°C (45.1°F) throughout January.Humidity
The average relative humidity in January is 79%.Rainfall
In Portbail, in January, during 20.3 rainfall days, 57mm (2.24") of precipitation is typically accumulated. Throughout the year, there are 189 rainfall days, and 538mm (21.18") of precipitation is accumulated.Snowfall
Months with snowfall in Portbail are January through March, November and December. The month with the most snowfall in Portbail, France, is January, when snow falls for 0.4 days and typically aggregates up to 2mm (0.08") of snow.Sea temperature
In Portbail, the average seawater temperature in January is 9.3°C (48.7°F).Note: Without suitable protection, venturing into 9.3°C (48.7°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths.
Daylight
The average length of the day in January is 8h and 44min.On the first day of the month, sunrise is at 09:02 and sunset at 17:18. On the last day of January, sunrise is at 08:40 and sunset at 18:00 CET.
Sunshine
The months with the least sunshine in Portbail, France, are January and November, with an average of 4h of sunshine.UV index
The months with the lowest UV index are January and February, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. 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
What are the temperatures in Portbail in January?
What is the average humidity in January in Portbail?
How much does it rain in Portbail in January?
When does it snow the most in Portbail?
How much does it snow in Portbail in January?
How cold is the water in January in Portbail?
How many hours of daylight does Portbail have in January?
When is the sunrise / sunset in January in Portbail?
What are the months with the least sunshine in Portbail?
How long on average sun shines in January in Portbail?
What is the month with the lowest UV index in Portbail?
What is the UV index intensity in January in Portbail?
Average temperature in January
Portbail, France
- Average high temperature in January: 9.3°C
The warmest month (with the highest average high temperature) is August (18.2°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 (6.8°C).
Average pressure in January
Portbail, France
- Average pressure in January: 1016.5mbar
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
Portbail, France
- Average wind speed in January: 32km/h
The windiest month (with the highest average wind speed) is December (34km/h).
The calmest month (with the lowest average wind speed) is July (20.4km/h).
Average humidity in January
Portbail, France
- Average humidity in January: 79%
The months with the highest relative humidity are June and July (83%).
The months with the lowest relative humidity are November and December (78%).
Average rainfall in January
Portbail, France
- Average rainfall in January: 57mm
The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in January
Portbail, France
- Average rainfall days in January: 20.3 days
The month with the highest number of rainy days is November (21.2 days).
The months with the least rainy days are May and July (12.2 days).
Average snowfall in January
Portbail, France
- Average snowfall in January: 2mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Portbail, France
- Average snowfall days in January: 0.4 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in January
Portbail, France
- Average sea temperature in January: 9.3°C
The best month for swimming (with the highest average sea temperature) is September (17.9°C).
The coldest month (with the lowest average sea temperature) is March (8.7°C).
Average daylight in January /
Average sunshine in January
Portbail, France
- 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 42min).
The months with the least sunshine are January and November (Average sunshine: 4h and 0min).
Average sunshine days in January
Portbail, France
- Average sunshine days in January: 7.5 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is November (5.8 days).
Average UV index in January
Portbail, France
- Average UV index in January: 2
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in January
Portbail, France
- 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 37).
Average visibility in January
Portbail, France
- 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).
