January weather forecastRiolas, France
January
Weather in January
January, like December, is another chilly winter month in Riolas, France, with an average temperature varying between 3.2°C (37.8°F) and 9°C (48.2°F).Temperature
January is the month that records the lowest temperatures, with averages ranging from a high of 9°C (48.2°F) to a low of 3.2°C (37.8°F).Humidity
With an average relative humidity of 83%, January is the most humid month in Riolas, France.Rainfall
In Riolas, France, during January, the rain falls for 14 days and regularly aggregates up to 39mm (1.54") of precipitation. In Riolas, during the entire year, the rain falls for 155.2 days and collects up to 440mm (17.32") of precipitation.Snowfall
Months with snowfall in Riolas are January through March, November and December. In January, it is snowing for 1 days. Throughout January, 11mm (0.43") of snow is accumulated. Throughout the year, in Riolas, France, there are 4.7 snowfall days, and 39mm (1.54") of snow is accumulated.Daylight
In Riolas, the average length of the day in January is 9h and 24min.On the first day of January in Riolas, France, sunrise is at 08:28 and sunset at 17:30. On the last day of the month, sunrise is at 08:13 and sunset at 18:05 CET.
Sunshine
With an average of 5.2h of sunshine, January has the least sunshine of the year.UV index
January and November, with an average maximum UV index of 2, are months with the lowest UV index in Riolas. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 suggests this advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take to heart! Snow reflection can almost 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
Riolas, France
- Average high temperature in January: 9°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in January: 3.2°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in January
Riolas, France
- Average pressure in January: 1020.2mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in January
Riolas, France
- Average wind speed in January: 11.7km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in January
Riolas, France
- Average humidity in January: 83%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (67%).
Average rainfall in January
Riolas, France
- Average rainfall in January: 39mm
The wettest month (with the highest rainfall) is May (52mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in January
Riolas, France
- Average rainfall days in January: 14 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in January
Riolas, France
- Average snowfall in January: 11mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Riolas, France
- Average snowfall days in January: 1 days
The month with the highest number of snowfall days is February (2.1 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
Riolas, France
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in January
Riolas, France
- Average sunshine days in January: 14.5 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in January
Riolas, France
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 2).
Average cloud cover in January
Riolas, France
- Average cloud cover in January: 49
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in January
Riolas, France
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





