Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
Temperature readings reach their annual highs in January, averaging 2.8°C (37°F) and a minimum average of -1.4°C (29.5°F).Humidity
January, November and December, with an average relative humidity of 90%, are the most humid months.Rainfall
In January, the rain falls for 12.3 days. Throughout January, 39mm (1.54") of precipitation is accumulated. In Altenahr, during the entire year, the rain falls for 184.8 days and collects up to 575mm (22.64") of precipitation.Snowfall
Months with snowfall in Altenahr are January through May, October through December. In Altenahr, in January, during 12.7 snowfall days, 108mm (4.25") of snow is typically accumulated. In Altenahr, during the entire year, snow falls for 50.4 days and aggregates up to 511mm (20.12") of snow.Daylight
In Altenahr, the average length of the day in January is 8h and 35min.On the first day of the month, sunrise is at 08:32 and sunset at 16:37. On the last day of January, in Altenahr, sunrise is at 08:09 and sunset at 17:21 CET.
Sunshine
In Altenahr, the average sunshine in January is 3.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Altenahr?
How cold is January in Altenahr?
What is the most humid month in Altenahr?
What is the average humidity in January in Altenahr?
How much does it rain in Altenahr in January?
How many days does it snow in January in Altenahr?
How many hours of daylight does Altenahr have in January?
When are sunrise and sunset in January in Altenahr?
How many hours of sunshine does Altenahr have in January?
What is the month with the lowest UV index in Altenahr?
What is the UV index intensity in January in Altenahr?
Average temperature in January
Altenahr, Germany
- Average high temperature in January: 2.8°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in January: -1.4°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in January
Altenahr, Germany
- Average pressure in January: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed in January
Altenahr, Germany
- Average wind speed in January: 13.5km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in January
Altenahr, Germany
- Average humidity in January: 90%
The months with the highest relative humidity are January, November and December (90%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Altenahr, Germany
- Average rainfall in January: 39mm
The wettest months (with the highest rainfall) are May and June (65mm).
The driest months (with the least rainfall) are April and September (34mm).
Average rainfall days in January
Altenahr, Germany
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in January
Altenahr, Germany
- Average snowfall in January: 108mm
The month with the highest snowfall is February (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Altenahr, Germany
- Average snowfall days in January: 12.7 days
The months with the highest number of snowfall days are January and February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Altenahr, Germany
- Average daylight in January: 8h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in January
Altenahr, Germany
- Average sunshine days in January: 9.9 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is June (7.5 days).
Average UV index in January
Altenahr, Germany
- 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
Altenahr, Germany
- Average cloud cover in January: 65
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in January
Altenahr, Germany
- Average visibility in January: 7km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, October, November and December (7km).
