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
December signifies a minor drop in average high-temperature, transitioning from a refreshing 14.7°C (58.5°F) in November to a fresh 11.6°C (52.9°F). San Martín de Montalbán experiences an average low-temperature reading of 3.8°C (38.8°F) throughout December.Humidity
In San Martín de Montalbán, Spain, the average relative humidity in December is 73%.Rainfall
In San Martín de Montalbán, Spain, in December, during 8.1 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In San Martín de Montalbán, during the entire year, the rain falls for 96.5 days and collects up to 272mm (10.71") of precipitation.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 1.1 snowfall days, and 15mm (0.59") of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in San Martín de Montalbán.On the first day of the month, sunrise is at 08:19 and sunset at 17:53. On the last day of December, sunrise is at 08:38 and sunset at 18:03 CET.
Sunshine
With an average of 6.3h of sunshine, December has the least sunshine of the year in San Martín de Montalbán.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in San Martín de Montalbán. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in San Martín de Montalbán?
What is the average humidity in December in San Martín de Montalbán?
How many days does it rain in December in San Martín de Montalbán?
When does it start to snow in San Martín de Montalbán?
What is the month with the shortest days in San Martín de Montalbán?
How many hours of daylight does San Martín de Montalbán have in December?
When are sunrise and sunset in December in San Martín de Montalbán?
What is the month with the least sunshine in San Martín de Montalbán?
How many hours of sunshine does San Martín de Montalbán have in December?
What is the month with the lowest UV index in San Martín de Montalbán?
How high is the UV index in December in San Martín de Montalbán?
Average temperature in December
San Martín de Montalbán, Spain
- Average high temperature in December: 11.6°C
The warmest month (with the highest average high temperature) is July (33.8°C).
The month with the lowest average high temperature is January (10.7°C).
- Average low temperature in December: 3.8°C
The month with the highest average low temperature is July (20.6°C).
The coldest month (with the lowest average low temperature) is January (2.7°C).
Average pressure in December
San Martín de Montalbán, Spain
- Average pressure in December: 1023.6mbar
The month with the highest atmospheric pressure is December (1023.6mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
San Martín de Montalbán, Spain
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is March (13.9km/h).
The calmest month (with the lowest average wind speed) is October (9.7km/h).
Average humidity in December
San Martín de Montalbán, Spain
- Average humidity in December: 73%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (31%).
Average rainfall in December
San Martín de Montalbán, Spain
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is April (46mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in December
San Martín de Montalbán, Spain
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in December
San Martín de Montalbán, Spain
- Average snowfall in December: 1mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
San Martín de Montalbán, Spain
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.6 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
San Martín de Montalbán, Spain
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
San Martín de Montalbán, Spain
- Average sunshine days in December: 21.6 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in December
San Martín de Montalbán, Spain
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in December
San Martín de Montalbán, Spain
- Average cloud cover in December: 31
The months with the most cloud cover are January and March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in December
San Martín de Montalbán, Spain
- Average visibility in December: 10km
The months with the highest visibility are February, March, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and April (9km).
