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 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
Upon the onset of January, Treffiagat witnesses an average high-temperature of a still fresh 10.3°C (50.5°F), showing a close resemblance to the prior month. Treffiagat upholds a consistent average temperature of 7.8°C (46°F) throughout the nights of January.Humidity
In Treffiagat, the average relative humidity in January is 80%.Rainfall
In Treffiagat, during January, the rain falls for 15.6 days and regularly aggregates up to 29mm (1.14") of precipitation. In Treffiagat, during the entire year, the rain falls for 144.1 days and collects up to 289mm (11.38") of precipitation.Snowfall
Months with snowfall in Treffiagat are January and December. January is the last month it regularly snows. Throughout January, there are 0.1 snowfall days. In Treffiagat, during the entire year, snow falls for 0.3 days.Daylight
In Treffiagat, the average length of the day in January 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, in Treffiagat, sunrise is at 08:45 and sunset at 18:14 CET.
Sunshine
The average sunshine in January in Treffiagat, France, is 3.8h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 3 transforms into these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Treffiagat in January?
What is the average humidity in January in Treffiagat?
How many days does it rain in January in Treffiagat?
What is the last month it snows in Treffiagat?
How many hours of daylight does Treffiagat have in January?
What time are sunrise and sunset in January in Treffiagat?
How many hours of sunshine does Treffiagat have in January?
What is the month with the lowest UV index in Treffiagat?
What is the UV index reading in January in Treffiagat?
Average temperature in January
Treffiagat, 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
Treffiagat, 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
Treffiagat, 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
Treffiagat, 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
Treffiagat, 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
Treffiagat, 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
Treffiagat, 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 daylight in January /
Average sunshine in January
Treffiagat, 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
Treffiagat, 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
Treffiagat, 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
Treffiagat, 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
Treffiagat, 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).
