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 days in January
- Average sea temperature 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
Formia's coldest weather arrives in January, when temperatures average a high of 11.6°C (52.9°F) and a low of 7.3°C (45.1°F).Humidity
The months with the highest humidity in Formia are January and November, with an average relative humidity of 75%.Rainfall
In Formia, during January, the rain falls for 15 days and regularly aggregates up to 57mm (2.24") of precipitation. In Formia, during the entire year, the rain falls for 135.6 days and collects up to 569mm (22.4") of precipitation.Snowfall
January and February are months with snowfall. January is the first month it typically snows in Formia. Throughout January, there are 0.1 snowfall days. Throughout the year, there are 0.4 snowfall days.Sea temperature
In Formia, the average seawater temperature in January is 14.5°C (58.1°F).Note: Diving into 14.5°C (58.1°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.
Daylight
The average length of the day in January in Formia is 9h and 36min.On the first day of the month, sunrise is at 07:31 and sunset at 16:46. On the last day of January, sunrise is at 07:17 and sunset at 17:19 CET.
Sunshine
January has the least sunshine of the year in Formia, with an average of 5.8h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Formia. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In January, a daily UV index of 3 turns into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To guard against the harmful effects of the Sun, minimize exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What is the coldest time of year in Formia?
What is the average January temperature in Formia?
What is the most humid month in Formia?
What is the average humidity in January in Formia?
How many days does it rain in January in Formia?
When does it start snowing in Formia?
How cold is the water in January in Formia?
What is the average length of the day in January in Formia?
What time are sunrise and sunset in January in Formia?
What is the month with the least sunshine in Formia?
How many hours of sunshine does Formia have in January?
When is the lowest UV index in Formia?
What is the UV index intensity in January in Formia?
Average temperature in January
Formia, Italy
- Average high temperature in January: 11.6°C
The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in January: 7.3°C
The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is February (7°C).
Average pressure in January
Formia, 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 (1014.1mbar).
Average wind speed in January
Formia, Italy
- Average wind speed in January: 12.6km/h
The windiest month (with the highest average wind speed) is February (13km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in January
Formia, 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 (63%).
Average rainfall in January
Formia, Italy
- Average rainfall in January: 57mm
The wettest month (with the highest rainfall) is November (120mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in January
Formia, Italy
- Average rainfall days in January: 15 days
The months with the highest number of rainy days are January and November (15 days).
The month with the least rainy days is August (4.2 days).
Average snowfall days in January
Formia, Italy
- Average snowfall days in January: 0.1 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in January
Formia, Italy
- Average sea temperature in January: 14.5°C
The best month for swimming (with the highest average sea temperature) is August (25.8°C).
The coldest month (with the lowest average sea temperature) is February (13.8°C).
Average daylight in January /
Average sunshine in January
Formia, Italy
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in January
Formia, Italy
- Average sunshine days in January: 13.7 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in January
Formia, 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
Formia, Italy
- Average cloud cover in January: 38
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in January
Formia, 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).
Formia, Italy
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