January weather forecastRiantec, France

January

Weather in January

January, the same as December, in Riantec, France, is another chilly winter month, with temperature in the range of an average low of 5.8°C (42.4°F) and an average high of 9.3°C (48.7°F).

Temperature

The coldest period, with an average high-temperature of 9.3°C (48.7°F), falls in January and February.

Humidity

January and December, with an average relative humidity of 84%, are the most humid months.

Rainfall

In Riantec, in January, it is raining for 17.3 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, in Riantec, there are 176.7 rainfall days, and 625mm (24.61") of precipitation is accumulated.

Snowfall

Months with snowfall are January, February, April and December. In Riantec, during January, snow falls for 0.3 days and regularly aggregates up to 2mm (0.08") of snow. In Riantec, France, during the entire year, snow falls for 2.4 days and aggregates up to 8mm (0.31") of snow.

Sea temperature

In Riantec, the average seawater temperature in January is 10.4°C (50.7°F).
Note: Swimming in 10.4°C (50.7°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.

Daylight

In January, the average length of the day in Riantec is 8h and 56min.
On the first day of the month, sunrise is at 09:01 and sunset at 17:31. On the last day of January, in Riantec, France, sunrise is at 08:41 and sunset at 18:11 CET.

Sunshine

January and December, with an average of 3.9h of sunshine, are months with the least sunshine in Riantec.

UV index

The month with the lowest UV index in Riantec, France, is January, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Lowest temperatures in Riantec, France, are observed in January and February, averaging a high-temperature of 9.3°C (48.7°F).

The high-temperature in Riantec during January is 9.3°C (48.7°F) and the low-temperature is 5.8°C (42.4°F).

January and December, with an average relative humidity of 84%, are most humid months in Riantec.

In January, the average relative humidity in Riantec, France, is 84%.

In January, in Riantec, France, the rain falls for 17.3 days. Throughout January, 65mm (2.56") of precipitation is accumulated.

In Riantec, in January, during 0.3 snowfall days, 2mm (0.08") of snow is typically accumulated.

In Riantec, France, in January, the average water temperature is 10.4°C (50.7°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

The average day length in January in Riantec is 8h and 56min.

On the first day of January in Riantec, sunrise is at 09:01 and sunset at 17:31. On the last day of the month, sunrise is at 08:41 and sunset at 18:11 CET.

January and December, with an average of 3.9h of sunshine, are months with the least sunshine.

In January, the average sunshine duration in Riantec, France, is 3.9h.

The month with the lowest UV index in Riantec, France, is January, with an average maximum UV index of 2.

The average daily maximum UV index in January in Riantec is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

10.6°C

9.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

23km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.6

0.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

10.9

9.4

10.8

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Riantec, France

Average high temperature in January: 9.3°C

The warmest months (with the highest average high temperature) are July and August (20.8°C).
The months with the lowest average high temperature are January and February (9.3°C).

Average low temperature in January: 5.8°C

The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).

Average pressure in January
Riantec, France

Average pressure in January: 1017.6mbar

The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).

Average wind speed in January
Riantec, France

Average wind speed in January: 21.6km/h

The windiest months (with the highest average wind speed) are January, February and December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (14.9km/h).

Average humidity in January
Riantec, France

Average humidity in January: 84%

The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April, July and September (79%).

Average rainfall in January
Riantec, France

Average rainfall in January: 65mm

The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is July (27mm).

Average rainfall days in January
Riantec, France

Average rainfall days in January: 17.3 days

The month with the highest number of rainy days is December (17.8 days).
The month with the least rainy days is September (11.1 days).

Average snowfall in January
Riantec, France

Average snowfall in January: 2mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, May, June, July, August, September, October and November (0mm).

Average snowfall days in January
Riantec, France

Average snowfall days in January: 0.3 days

The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January
Riantec, France

Average sea temperature in January: 10.4°C

The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is February (9.9°C).

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

Average daylight in January: 8h and 54min

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 54min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).

Average sunshine days in January
Riantec, France

Average sunshine days in January: 9.4 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is November (8.5 days).

Average UV index in January
Riantec, France

Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in January
Riantec, France

Average cloud cover in January: 58

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 36).

Average visibility in January
Riantec, France

Average visibility in January: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September and November (10km).
The months with the lowest visibility are January, October and December (9km).