January weather forecastRioz, France

January

Weather in January

January, like December, in Rioz, France, is an icy winter month, with an average temperature fluctuating between -0.8°C (30.6°F) and 4.2°C (39.6°F).

Temperature

In Rioz, January is the coldest month, with temperatures averaging a high of 4.2°C (39.6°F) and a low of -0.8°C (30.6°F).

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 87%.

Rainfall

In Rioz, in January, during 11.1 rainfall days, 55mm (2.17") of precipitation is typically accumulated. In Rioz, France, during the entire year, the rain falls for 173.9 days and collects up to 719mm (28.31") of precipitation.

Snowfall

Months with snowfall are January through March, October through December. January is the month with the most snowfall in Rioz. Snow falls for 5.9 days and accumulates 71mm (2.8") of snow.

Daylight

In Rioz, the average length of the day in January is 8h and 58min.
On the first day of the month, sunrise is at 08:23 and sunset at 16:55. On the last day of January, in Rioz, France, sunrise is at 08:03 and sunset at 17:34 CET.

Sunshine

January and December, with an average of 4.4h of sunshine, are months with the least sunshine.

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 of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 2 in January leads to these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

January, with an average high of 4.2°C (39.6°F) and a low of -0.8°C (30.6°F), signifies the coldest month of the year in Rioz, France.

The high-temperature, in January, in Rioz, records 4.2°C (39.6°F), while the low-temperature is -0.8°C (30.6°F).

The months with the highest humidity in Rioz are January and December, with an average relative humidity of 87%.

The average relative humidity in January in Rioz is 87%.

In Rioz, France, in January, during 11.1 rainfall days, 55mm (2.17") of precipitation is typically accumulated.

January is the month with the most snowfall in Rioz, France. Snow falls for 5.9 days and accumulates 71mm (2.8") of snow.

In January, in Rioz, it is snowing for 5.9 days. Throughout January, 71mm (2.8") of snow is accumulated.

The average day length in January is 8h and 58min.

On the first day of January in Rioz, France, sunrise is at 08:23 and sunset at 16:55. On the last day of the month, sunrise is at 08:03 and sunset at 17:34 CET.

January and December, with an average of 4.4h of sunshine, are months with the least sunshine in Rioz, France.

In Rioz, France, the average sunshine duration in January is 4.4h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rioz.

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Rioz, France

  • Average high temperature in January: 4.2°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (4.2°C).

  • Average low temperature in January: -0.8°C

The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in January
Rioz, France

  • Average pressure in January: 1019.5mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).

Average wind speed in January
Rioz, France

  • Average wind speed in January: 12.4km/h

The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).

Average humidity in January
Rioz, France

  • Average humidity in January: 87%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (78%).

Average rainfall in January
Rioz, France

  • Average rainfall in January: 55mm

The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (32mm).

Average rainfall days in January
Rioz, France

  • Average rainfall days in January: 11.1 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (11.1 days).

Average snowfall in January
Rioz, France

  • Average snowfall in January: 71mm

The month with the highest snowfall is January (71mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in January
Rioz, France

  • Average snowfall days in January: 5.9 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Rioz, France

  • Average daylight in January: 9h and 0min

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: 4h and 24min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).

Average sunshine days in January
Rioz, France

  • Average sunshine days in January: 15.3 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (8.9 days).

Average UV index in January
Rioz, France

  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Rioz, France

  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in January
Rioz, France

  • Average visibility in January: 8km

The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).