January weather forecastSiest, France

January

Weather in January

January, like December, in Siest, France, is a cool winter month, with an average temperature fluctuating between 4.9°C (40.8°F) and 10.7°C (51.3°F).

Temperature

Siest's temperature records reveal January as the coldest month, marked by average highs of 10.7°C (51.3°F) and lows of 4.9°C (40.8°F).

Humidity

January is the most humid month, with an average relative humidity of 83%.

Rainfall

In Siest, during January, the rain falls for 16.2 days and regularly aggregates up to 61mm (2.4") of precipitation. In Siest, during the entire year, the rain falls for 182.1 days and collects up to 634mm (24.96") of precipitation.

Snowfall

In Siest, snow does not fall in January, April through November.

Daylight

The average length of the day in January is 9h and 22min.
On the first day of January, sunrise is at 08:37 and sunset at 17:37. On the last day of the month, sunrise is at 08:22 and sunset at 18:13 CET.

Sunshine

In January, the average sunshine is 5.4h.

UV index

The months with the lowest UV index in Siest are January through March, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 3 in January translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Frequently asked questions

Siest, France, witnesses the coldest weather in January, with temperatures averaging a high of 10.7°C (51.3°F) and a low of 4.9°C (40.8°F).

January temperatures in Siest vary between a high-temperature of 10.7°C (51.3°F) and a low-temperature of 4.9°C (40.8°F).

With an average relative humidity of 83%, January is the most humid month.

In Siest, the average relative humidity in January is 83%.

In Siest, France, in January, it is raining for 16.2 days, with typically 61mm (2.4") of accumulated precipitation.

In Siest, France, snow does not fall in January, April through November.

In January, it doesn't snow. December is the latest month when it typically snows.

In January, the average day length in Siest is 9h and 22min.

In January, on the first day of the month, sunrise is at 08:37 and sunset at 17:37. On the last day of the month, in Siest, France, sunrise is at 08:22 and sunset at 18:13 CET.

The average sunshine duration in January in Siest, France, is 5.4h.

The months with the lowest UV index in Siest, France, are January through March, November and December, with an average maximum UV index of 3.

In January, the average daily maximum UV index in Siest is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Siest, France

  • Average high temperature in January: 10.7°C

The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (10.7°C).

  • Average low temperature in January: 4.9°C

The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).

Average pressure in January
Siest, France

  • Average pressure in January: 1020.2mbar

The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in January
Siest, France

  • Average wind speed in January: 9.7km/h

The windiest months (with the highest average wind speed) are January and February (9.7km/h).
The calmest month (with the lowest average wind speed) is September (7.5km/h).

Average humidity in January
Siest, France

  • Average humidity in January: 83%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (74%).

Average rainfall in January
Siest, France

  • Average rainfall in January: 61mm

The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is August (31mm).

Average rainfall days in January
Siest, France

  • Average rainfall days in January: 16.2 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (12.3 days).

Average snowfall in January
Siest, France

  • Average snowfall in January: 0mm

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

Average snowfall days in January
Siest, France

  • Average snowfall days in January: 0.5 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in January: 9h and 24min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 5h and 24min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).

Average sunshine days in January
Siest, France

  • Average sunshine days in January: 13.3 days

The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is May (10.2 days).

Average UV index in January
Siest, France

  • Average UV index in January: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in January
Siest, France

  • Average cloud cover in January: 50

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in January
Siest, 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).