Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a moderate 14.5°C (58.1°F) in November to a chilly 9.9°C (49.8°F). Narni anticipates an average minimum temperature of 2.4°C (36.3°F) in the month of December.Humidity
In December, the average relative humidity is 80%.Rainfall
In Narni, in December, it is raining for 10.5 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, there are 137.2 rainfall days, and 415mm (16.34") of precipitation is accumulated.Snowfall
February, November and December are months with snowfall. December is the last month it regularly snows. During 0.7 snowfall days, in December, Narni aggregates 3mm (0.12") of snow. In Narni, during the entire year, snow falls for 2.9 days and aggregates up to 26mm (1.02") of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December in Narni, sunrise is at 07:20 and sunset at 16:37. On the last day of the month, sunrise is at 07:39 and sunset at 16:46 CET.
Sunshine
In Narni, the average sunshine in December is 6.4h.UV index
In December, the average daily maximum UV index in Narni, Italy, is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What are December temperatures in Narni?
What is the average humidity in December in Narni?
How much does it rain in Narni in December?
What is the last month it snows in Narni?
What is the month with the shortest days in Narni?
What is the average length of the day in December in Narni?
When are sunrise and sunset in December in Narni?
How long on average sun shines in December in Narni?
How high is the UV index in December in Narni?
Average temperature in December
Narni, Italy
- Average high temperature in December: 9.9°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 2.4°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Narni, Italy
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Narni, Italy
- Average wind speed in December: 9.2km/h
The windiest month (with the highest average wind speed) is February (10.7km/h).
The calmest months (with the lowest average wind speed) are July and August (7.1km/h).
Average humidity in December
Narni, Italy
- Average humidity in December: 80%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Narni, Italy
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is November (55mm).
The driest month (with the least rainfall) is August (19mm).
Average rainfall days in December
Narni, Italy
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in December
Narni, Italy
- Average snowfall in December: 3mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are January, March, April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Narni, Italy
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Narni, Italy
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in December
Narni, Italy
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is August (20.9 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in December
Narni, Italy
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Narni, Italy
- Average cloud cover in December: 31
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Narni, Italy
- Average visibility in December: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
Narni, Italy
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