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 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
Weather in January
Temperature
An average high-temperature of a still cool 10.3°C (50.5°F) marks January, exhibiting a close resemblance to the conditions in December. Guilvinec maintains a minor drop in temperature during January nights, with averages of 7.8°C (46°F).Humidity
In Guilvinec, the average relative humidity in January is 80%.Rainfall
In Guilvinec, during January, the rain falls for 15.6 days and regularly aggregates up to 29mm (1.14") of precipitation. In Guilvinec, during the entire year, the rain falls for 144.1 days and collects up to 289mm (11.38") of precipitation.Snowfall
January and December are months with snowfall in Guilvinec. January is the last month it regularly snows. Throughout January, there are 0.1 snowfall days. Throughout the year, there are 0.3 snowfall days.Sea temperature
In Guilvinec, the average seawater temperature in January is 10.9°C (51.6°F).Note: With an efficient thermal swimsuit, one can navigate 10.9°C (51.6°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 13°C (55.4°F) feels chilly.
Daylight
In January, the average length of the day is 8h and 55min.On the first day of the month, sunrise is at 09:05 and sunset at 17:34. On the last day of January, sunrise is at 08:45 and sunset at 18:15 CET.
Sunshine
The average sunshine in January is 3.8h.UV index
The months with the lowest UV index in Guilvinec are January through April, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 3 in January translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the temperature in January in Guilvinec?
What is the average humidity in January in Guilvinec?
How much does it rain in Guilvinec in January?
What is the last month it snows in Guilvinec?
What is the sea water temperature in January in Guilvinec?
What is the average length of the day in January in Guilvinec?
When is the sunrise / sunset in January in Guilvinec?
How many hours of sunshine does Guilvinec have in January?
What is the month with the lowest UV index in Guilvinec?
What is the UV index reading in January in Guilvinec?
Average temperature in January
Guilvinec, France
- Average high temperature in January: 10.3°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is February (9.8°C).
- Average low temperature in January: 7.8°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure in January
Guilvinec, France
- Average pressure in January: 1017.4mbar
The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in January
Guilvinec, France
- Average wind speed in January: 27.3km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is August (18km/h).
Average humidity in January
Guilvinec, France
- Average humidity in January: 80%
The months with the highest relative humidity are June, July, August and December (81%).
The months with the lowest relative humidity are February, March, April, September and November (79%).
Average rainfall in January
Guilvinec, France
- Average rainfall in January: 29mm
The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in January
Guilvinec, France
- Average rainfall days in January: 15.6 days
The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is September (7.8 days).
Average snowfall days in January
Guilvinec, France
- Average snowfall days in January: 0.1 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Guilvinec, France
- Average sea temperature in January: 10.9°C
The best month for swimming (with the highest average sea temperature) is August (17.3°C).
The coldest month (with the lowest average sea temperature) is March (10.3°C).
Average daylight in January /
Average sunshine in January
Guilvinec, France
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in January
Guilvinec, France
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is November (10.6 days).
Average UV index in January
Guilvinec, France
- Average UV index in January: 3
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, February, March, April, November and December (UV index 3).
Average cloud cover in January
Guilvinec, France
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in January
Guilvinec, 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).
Guilvinec, France
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