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
Colleferro witnesses the coldest weather in January, with temperatures averaging a high of 11°C (51.8°F) and a low of 5.2°C (41.4°F).Humidity
The average relative humidity in January is 76%.Rainfall
In Colleferro, during January, the rain falls for 12.8 days and regularly aggregates up to 54mm (2.13") of precipitation. Throughout the year, there are 147.5 rainfall days, and 643mm (25.31") of precipitation is accumulated.Snowfall
January, March through November are months without snowfall in Colleferro.Daylight
In January, the average length of the day is 9h and 33min.On the first day of the month, sunrise is at 07:35 and sunset at 16:47. On the last day of January, sunrise is at 07:21 and sunset at 17:21 CET.
Sunshine
The month with the least sunshine is January, with an average of 5.9h of sunshine.UV index
The months with the lowest UV index in Colleferro, Italy, are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 3 in January translates into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the coldest month in Colleferro?
What are the temperatures in Colleferro in January?
What is the average humidity in January in Colleferro?
How many days does it rain in January in Colleferro?
When it does not snow in Colleferro?
Does it snow in Colleferro in January?
How many hours of daylight does Colleferro have in January?
What time are sunrise and sunset in January in Colleferro?
What is the month with the least sunshine in Colleferro?
How many hours of sunshine does Colleferro have in January?
What is the month with the lowest UV index in Colleferro?
What is the UV index intensity in January in Colleferro?
Average temperature in January
Colleferro, Italy
- Average high temperature in January: 11°C
The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (11°C).
- Average low temperature in January: 5.2°C
The month with the highest average low temperature is August (20.3°C).
The coldest month (with the lowest average low temperature) is January (5.2°C).
Average pressure in January
Colleferro, Italy
- Average pressure in January: 1016.2mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in January
Colleferro, Italy
- Average wind speed in January: 10.8km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in January
Colleferro, Italy
- Average humidity in January: 76%
The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is August (59%).
Average rainfall in January
Colleferro, Italy
- Average rainfall in January: 54mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is August (19mm).
Average rainfall days in January
Colleferro, Italy
- Average rainfall days in January: 12.8 days
The month with the highest number of rainy days is November (15.3 days).
The month with the least rainy days is August (6.5 days).
Average snowfall in January
Colleferro, Italy
- Average snowfall in January: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Colleferro, Italy
- Average snowfall days in January: 0.1 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Colleferro, Italy
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 5h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in January
Colleferro, Italy
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is August (21.5 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in January
Colleferro, Italy
- Average UV index in January: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Colleferro, Italy
- Average cloud cover in January: 37
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in January
Colleferro, Italy
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Colleferro, Italy
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