January weather forecastJena, Germany
January
Weather in January
January, like December, in Jena, Germany, is another cold winter month, with an average temperature ranging between max 2°C (35.6°F) and min -2.8°C (27°F).Temperature
January stands out as Jena's coldest month, with an average high-temperature of 2°C (35.6°F) and a low-temperature of -2.8°C (27°F).Humidity
January is the most humid month, with an average relative humidity of 88%.Rainfall
In Jena, in January, it is raining for 9.9 days, with typically 27mm (1.06") of accumulated precipitation. In Jena, during the entire year, the rain falls for 156.6 days and collects up to 417mm (16.42") of precipitation.Snowfall
January through May, October through December are months with snowfall in Jena. The month with the most snowfall is January, when snow falls for 10.2 days and typically aggregates up to 77mm (3.03") of snow.Daylight
In Jena, the average length of the day in January is 8h and 32min.On the first day of January, sunrise is at 08:16 and sunset at 16:17. On the last day of the month, sunrise is at 07:51 and sunset at 17:02 CET.
Sunshine
January has the least sunshine of the year, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index in Jena, Germany, are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 in January translates into these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Jena, Germany
- Average high temperature in January: 2°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in January: -2.8°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in January
Jena, Germany
- Average pressure in January: 1017mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in January
Jena, Germany
- Average wind speed in January: 14.7km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in January
Jena, Germany
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in January
Jena, Germany
- Average rainfall in January: 27mm
The wettest months (with the highest rainfall) are May and August (52mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in January
Jena, Germany
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (8 days).
Average snowfall in January
Jena, Germany
- Average snowfall in January: 77mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Jena, Germany
- Average snowfall days in January: 10.2 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jena, Germany
- Average daylight in January: 8h and 30min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in January: 3h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Jena, Germany
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in January
Jena, Germany
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Jena, Germany
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Jena, Germany
- Average visibility in January: 8km
The months with the highest visibility are March, April, May, June, July, August, September and November (9km).
The months with the lowest visibility are January, February, October and December (8km).





