January weather forecastGrottaferrata, Italy

January

Weather in January

January, like December, in Grottaferrata, Italy, is a cool winter month, with temperature in the range of an average low of 5.7°C (42.3°F) and an average high of 11.4°C (52.5°F).

Temperature

January, characterized by an average high temperature of 11.4°C (52.5°F) and a low temperature of 5.7°C (42.3°F), is generally the coldest month.

Humidity

January and November, with an average relative humidity of 75%, are the most humid months in Grottaferrata.

Rainfall

In Grottaferrata, Italy, in January, it is raining for 12.2 days, with typically 49mm (1.93") of accumulated precipitation. Throughout the year, in Grottaferrata, there are 143.3 rainfall days, and 595mm (23.43") of precipitation is accumulated.

Snowfall

January, March through November are months without snowfall.

Daylight

In Grottaferrata, the average length of the day in January is 9h and 33min.
On the first day of the month, sunrise is at 07:36 and sunset at 16:48. On the last day of January, sunrise is at 07:22 and sunset at 17:22 CET.

Sunshine

With an average of 6h of sunshine, January has the least sunshine of the year.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 3 in January, converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Updated: Jan 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January is the coldest month of the year in Grottaferrata, registering average temperatures as high as 11.4°C (52.5°F) and as low as 5.7°C (42.3°F).

The average high-temperature, in January, in Grottaferrata, is 11.4°C (52.5°F), while the average low-temperature is 5.7°C (42.3°F).

The months with the highest humidity are January and November, with an average relative humidity of 75%.

In January, the average relative humidity in Grottaferrata, Italy, is 75%.

In Grottaferrata, Italy, during January, the rain falls for 12.2 days and regularly aggregates up to 49mm (1.93") of precipitation.

January, March through November are months without snowfall in Grottaferrata, Italy.

In January, in Grottaferrata, Italy, it doesn't snow. December is the latest month when it typically snows.

The average day length in January in Grottaferrata, Italy, is 9h and 33min.

On the first day of January in Grottaferrata, Italy, sunrise is at 07:36 and sunset at 16:48. On the last day of the month, sunrise is at 07:22 and sunset at 17:22 CET.

January has the least sunshine of the year in Grottaferrata, with an average of 6h of sunshine.

In January, the average sunshine duration in Grottaferrata is 6h.

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Grottaferrata.

In January, the average daily maximum UV index in Grottaferrata is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

12.6°C

11.4°C

12.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.8km/h

11.7km/h

13.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

16.8

17.4

14.4

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Grottaferrata, Italy

Average high temperature in January: 11.4°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (11.4°C).

Average low temperature in January: 5.7°C

The month with the highest average low temperature is August (20.9°C).
The coldest month (with the lowest average low temperature) is January (5.7°C).

Average pressure in January
Grottaferrata, Italy

Average pressure in January: 1016.2mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).

Average wind speed in January
Grottaferrata, Italy

Average wind speed in January: 11.2km/h

The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).

Average humidity in January
Grottaferrata, Italy

Average humidity in January: 75%

The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is August (57%).

Average rainfall in January
Grottaferrata, Italy

Average rainfall in January: 49mm

The wettest month (with the highest rainfall) is November (111mm).
The driest month (with the least rainfall) is August (16mm).

Average rainfall days in January
Grottaferrata, Italy

Average rainfall days in January: 12.2 days

The month with the highest number of rainy days is November (15.2 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in January
Grottaferrata, Italy

Average snowfall in January: 0mm

The month with the highest snowfall is February (16mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in January
Grottaferrata, 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
Grottaferrata, Italy

Average daylight in January: 9h and 30min

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: 6h and 0min

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: 6h and 0min).

Average sunshine days in January
Grottaferrata, Italy

Average sunshine days in January: 17.4 days

The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is November (12.5 days).

Average UV index in January
Grottaferrata, 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 and December (UV index 3).

Average cloud cover in January
Grottaferrata, Italy

Average cloud cover in January: 36

The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in January
Grottaferrata, 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).