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
December
Weather in December
Temperature
The arrival of December signals a subtle shift in temperature, down from a refreshing 17.3°C (63.1°F) in November to a mild 13°C (55.4°F). Grumo Appula nights in December witness a mild cool down to an average temperature of 9°C (48.2°F).Humidity
In December, the average relative humidity is 72%.Rainfall
In December, the rain falls for 12.2 days. Throughout December, 28mm (1.1") of precipitation is accumulated. In Grumo Appula, during the entire year, the rain falls for 137.6 days and collects up to 415mm (16.34") of precipitation.Snowfall
Months with snowfall in Grumo Appula, Italy, are January through March and December. The month with the most snowfall is December, when snow falls for 0.2 days and typically aggregates up to 3mm (0.12") of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:59 and sunset at 16:25. On the last day of December, sunrise is at 07:17 and sunset at 16:34 CET.
Sunshine
In Grumo Appula, the average sunshine in December is 6.2h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 during December translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Grumo Appula?
What is the average humidity in December in Grumo Appula?
How many days does it rain in December in Grumo Appula?
When does it snow the most in Grumo Appula?
When does it start snowing in Grumo Appula?
What is the month with the shortest days in Grumo Appula?
What is the average length of the day in December in Grumo Appula?
When is the sunrise / sunset in December in Grumo Appula?
How long on average sun shines in December in Grumo Appula?
What is the month with the lowest UV index in Grumo Appula?
What is the UV index reading in December in Grumo Appula?
Average temperature in December
Grumo Appula, Italy
- Average high temperature in December: 13°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in December: 9°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).
Average pressure in December
Grumo Appula, Italy
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1012.7mbar).
Average wind speed in December
Grumo Appula, Italy
- Average wind speed in December: 17.7km/h
The windiest month (with the highest average wind speed) is February (19.3km/h).
The calmest months (with the lowest average wind speed) are August and September (12.9km/h).
Average humidity in December
Grumo Appula, Italy
- Average humidity in December: 72%
The months with the highest relative humidity are January and November (74%).
The month with the lowest relative humidity is July (56%).
Average rainfall in December
Grumo Appula, Italy
- Average rainfall in December: 28mm
The wettest months (with the highest rainfall) are March and April (45mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in December
Grumo Appula, Italy
- Average rainfall days in December: 12.2 days
The months with the highest number of rainy days are January and March (14.4 days).
The month with the least rainy days is July (6.9 days).
Average snowfall in December
Grumo Appula, Italy
- Average snowfall in December: 3mm
The month with the highest snowfall is December (3mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Grumo Appula, Italy
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Grumo Appula, Italy
- Average daylight in December: 9h and 2min
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 December: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Grumo Appula, Italy
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in December
Grumo Appula, Italy
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Grumo Appula, Italy
- Average cloud cover in December: 33
The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Grumo Appula, Italy
- Average visibility in December: 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).
