January weather forecast
Thônex, Switzerland

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Weather in January

January, the same as December, is another cold winter month in Thônex, Switzerland, with an average temperature fluctuating between -3.3°C (26.1°F) and 2.7°C (36.9°F).

Temperature

In Thônex, the lowest average temperatures are observed in January, with a high of 2.7°C (36.9°F) and a low of -3.3°C (26.1°F).

Humidity

The months with the highest humidity in Thônex are January and February, with an average relative humidity of 86%.

Rainfall

In Thônex, during January, the rain falls for 13.3 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, there are 190.1 rainfall days, and 748mm (29.45") of precipitation is accumulated.

Snowfall

Months with snowfall in Thônex are January through April, October through December. In Thônex, in January, during 6.5 snowfall days, 79mm (3.11") of snow is typically accumulated. Throughout the year, in Thônex, there are 23.9 snowfall days, and 306mm (12.05") of snow is accumulated.

Daylight

In January, the average length of the day in Thônex is 9h and 7min.
On the first day of the month, sunrise is at 08:17 and sunset at 16:59. On the last day of January, sunrise is at 07:59 and sunset at 17:37 CET.

Sunshine

The average sunshine in January is 5.1h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the coldest time of year in Thônex?

January is the coldest month in Thônex, exhibiting average temperatures of 2.7°C (36.9°F) at the peak and -3.3°C (26.1°F) at the base.

How cold is it in Thônex in January?

The average high-temperature and low-temperature in Thônex during January are 2.7°C (36.9°F) and -3.3°C (26.1°F) respectively.

What are the most humid months in Thônex?

January and February, with an average relative humidity of 86%, are most humid months in Thônex.

What is the average humidity in January in Thônex?

In January, the average relative humidity in Thônex, Switzerland, is 86%.

How many days does it rain in January in Thônex?

In Thônex, during January, the rain falls for 13.3 days and regularly aggregates up to 57mm (2.24") of precipitation.

How much does it snow in Thônex in January?

In Thônex, Switzerland, in January, during 6.5 snowfall days, 79mm (3.11") of snow is typically accumulated.

What is the average length of the day in January in Thônex?

The average day length in January is 9h and 7min.

What time are sunrise and sunset in January in Thônex?

In January, on the first day of the month, sunrise is at 08:17 and sunset at 16:59. On the last day of the month, in Thônex, sunrise is at 07:59 and sunset at 17:37 CET.

How long on average sun shines in January in Thônex?

The average sunshine duration in January in Thônex, Switzerland, is 5.1h.

What is the month with the lowest UV index in Thônex?

The months with the lowest UV index in Thônex, Switzerland, are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in January in Thônex?

In Thônex, Switzerland, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Thônex, Switzerland

Average temperature in January - Thônex, Switzerland
  • Average high temperature in January: 2.7°C

The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in January: -3.3°C

The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).

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Average pressure in January
Thônex, Switzerland

Average pressure in January - Thônex, Switzerland
  • Average pressure in January: 1019.6mbar

The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in January
Thônex, Switzerland

Average wind speed in January - Thônex, Switzerland
  • Average wind speed in January: 9.1km/h

The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

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Average humidity in January
Thônex, Switzerland

Average humidity in January - Thônex, Switzerland
  • Average humidity in January: 86%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).

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Average rainfall in January
Thônex, Switzerland

Average rainfall in January - Thônex, Switzerland
  • Average rainfall in January: 57mm

The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is October (41mm).

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Average rainfall days in January
Thônex, Switzerland

Average rainfall days in January - Thônex, Switzerland
  • Average rainfall days in January: 13.3 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (11.7 days).

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Average snowfall in January
Thônex, Switzerland

Average snowfall in January - Thônex, Switzerland
  • Average snowfall in January: 79mm

The month with the highest snowfall is December (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in January
Thônex, Switzerland

Average snowfall days in January - Thônex, Switzerland
  • Average snowfall days in January: 6.5 days

The months with the highest number of snowfall days are January and February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Thônex, Switzerland

Average daylight in January / Average sunshine in January - Thônex, Switzerland
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in January: 5h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in January
Thônex, Switzerland

Average sunshine days in January - Thônex, Switzerland
  • Average sunshine days in January: 13.1 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (7.7 days).

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Average UV index in January
Thônex, Switzerland

Average UV index in January - Thônex, Switzerland
  • 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, March, November and December (UV index 2).

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Average cloud cover in January
Thônex, Switzerland

Average cloud cover in January - Thônex, Switzerland
  • Average cloud cover in January: 48

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in January
Thônex, Switzerland

Average visibility in January - Thônex, Switzerland
  • Average visibility in January: 8km

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

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Thônex, Switzerland

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