January weather forecastRennes, France
January
Weather in January
The new year in Rennes, France, begins with a relatively mild but damp climate. The temperatures see a modest peak at about 8.4°C (47.1°F), while the minimum temperature reaches a chilly 2.6°C (36.7°F). Adequate rainfalls display a significant role, with 27mm (1.06") of rain distributed over nearly half the days. An interesting highlight includes about 1mm (0.04") of snowfall, a reminder of the winter season. January is characterized by a winterscape with chilly air, occasional snowflakes, increased humidity and sufficient downpours.Temperature
The coldest temperatures occur during January, when averages reach a peak of 8.4°C (47.1°F) and a low of 2.6°C (36.7°F).Humidity
In January, the average relative humidity is 87%.Rainfall
In Rennes, in January, it is raining for 13.3 days, with typically 27mm (1.06") of accumulated precipitation. In Rennes, during the entire year, the rain falls for 150.1 days and collects up to 330mm (12.99") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Rennes, in January, snow falls for 0.7 days, with typically accumulated 1mm (0.04") of snow. In Rennes, during the entire year, snow falls for 2.8 days and aggregates up to 10mm (0.39") of snow.Daylight
The average length of the day in January in Rennes, France, is 8h and 53min.On the first day of January in Rennes, sunrise is at 08:56 and sunset at 17:23. On the last day of the month, sunrise is at 08:36 and sunset at 18:03 CET.
Sunshine
With an average of 4.2h of sunshine, January has the least sunshine of the year in Rennes.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 2 in January leads to these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rennes, France
- Average high temperature in January: 8.4°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in January: 2.6°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in January
Rennes, France
- Average pressure in January: 1017.6mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in January
Rennes, France
- Average wind speed in January: 16.8km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in January
Rennes, France
- Average humidity in January: 87%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall in January
Rennes, France
- Average rainfall in January: 27mm
The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in January
Rennes, France
- Average rainfall days in January: 13.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is September (8.4 days).
Average snowfall in January
Rennes, France
- Average snowfall in January: 1mm
The months with the highest snowfall are February, March, April and December (2mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Rennes, France
- Average snowfall days in January: 0.7 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Rennes, France
- Average daylight in January: 8h and 54min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 4h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Rennes, France
- Average sunshine days in January: 13.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in January
Rennes, France
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Rennes, 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 41).
Average visibility in January
Rennes, France
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, June, July, October, November and December (9km).
The months with the lowest visibility are May, August and September (8km).
