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
Weather in January
Temperature
Troisdorf's temperature records reveal January as the coldest month, marked by average highs of 4°C (39.2°F) and lows of -0.3°C (31.5°F).Humidity
The average relative humidity in January in Troisdorf is 88%.Rainfall
In January, the rain falls for 12.6 days. Throughout January, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 156 rainfall days, and 305mm (12.01") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Troisdorf, during January, snow falls for 6 days and regularly aggregates up to 25mm (0.98") of snow. In Troisdorf, during the entire year, snow falls for 19.5 days and aggregates up to 98mm (3.86") of snow.Daylight
In January, the average length of the day in Troisdorf, Germany, is 8h and 32min.On the first day of the month, sunrise is at 08:33 and sunset at 16:35. On the last day of January, in Troisdorf, sunrise is at 08:09 and sunset at 17:20 CET.
Sunshine
In January, the average sunshine is 4h.UV index
The months with the lowest UV index in Troisdorf, Germany, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during January translates into the following guidance:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the coldest time of year in Troisdorf?
How cold does it get in Troisdorf in January?
What is the average humidity in January in Troisdorf?
How much does it rain in Troisdorf in January?
How much does it snow in Troisdorf in January?
What is the average length of the day in January in Troisdorf?
What time are sunrise and sunset in January in Troisdorf?
How many hours of sunshine does Troisdorf have in January?
What are the months with the lowest UV index in Troisdorf?
What is the UV index reading in January in Troisdorf?
Average temperature in January
Troisdorf, Germany
- Average high temperature in January: 4°C
The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in January: -0.3°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in January
Troisdorf, Germany
- Average pressure in January: 1016.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in January
Troisdorf, Germany
- Average wind speed in January: 12.4km/h
The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in January
Troisdorf, Germany
- Average humidity in January: 88%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in January
Troisdorf, Germany
- Average rainfall in January: 22mm
The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are April and September (17mm).
Average rainfall days in January
Troisdorf, Germany
- Average rainfall days in January: 12.6 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in January
Troisdorf, Germany
- Average snowfall in January: 25mm
The month with the highest snowfall is February (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Troisdorf, Germany
- Average snowfall days in January: 6 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Troisdorf, Germany
- Average daylight in January: 8h and 3min
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 0min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in January
Troisdorf, Germany
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is December (11.4 days).
Average UV index in January
Troisdorf, 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
Troisdorf, Germany
- Average cloud cover in January: 61
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Troisdorf, Germany
- Average visibility in January: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
Troisdorf, Germany
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