Average Weather in December in Otero de Herreros Spain
Daily high temperatures decrease by 3°F, from 47°F to 44°F, rarely falling below 37°F or exceeding 54°F.
Daily low temperatures decrease by 3°F, from 32°F to 30°F, rarely falling below 22°F or exceeding 42°F.
For reference, on July 30, the hottest day of the year, temperatures in Otero de Herreros typically range from 57°F to 84°F, while on January 15, the coldest day of the year, they range from 29°F to 44°F.
Average High and Low Temperature in December
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in December
The month of December in Otero de Herreros experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 55% throughout the month. The highest chance of overcast or mostly cloudy conditions is 57% on December 16.
The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 46% of the time.
For reference, on December 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 57%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 87%.
Cloud Cover Categories in December
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Otero de Herreros, the chance of a wet day over the course of December is gradually increasing, starting the month at 17% and ending it at 20%.
For reference, the year's highest daily chance of a wet day is 24% on October 31, and its lowest chance is 5% on July 31.
Over the course of December in Otero de Herreros, the chance of a day with only rain remains an essentially constant 17% throughout, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 1% throughout.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Otero de Herreros is essentially constant, remaining about 1.2 inches throughout, and rarely exceeding 2.9 inches or falling below 0.1 inches.
Average Monthly Rainfall in December
Over the course of December in Otero de Herreros, the length of the day is essentially constant. The shortest day of the month is December 21, with 9 hours, 15 minutes of daylight and the longest day is December 1, with 9 hours, 28 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Otero de Herreros is 8:21 AM on December 1 and the latest sunrise is 19 minutes later at 8:41 AM on December 31.
The earliest sunset is 5:48 PM on December 8 and the latest sunset is 10 minutes later at 5:58 PM on December 31.
Daylight saving time is observed in Otero de Herreros during 2021, but it neither starts nor ends during December, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 6:45 AM and sets 15 hours, 6 minutes later, at 9:51 PM, while on December 21, the shortest day of the year, it rises at 8:37 AM and sets 9 hours, 15 minutes later, at 5:52 PM.
Sunrise & Sunset with Twilight in December
The figure below presents a compact representation of key lunar data for December 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
Moon Rise, Set & Phases in December
The chance that a given day will be muggy in Otero de Herreros is essentially constant during December, remaining around 0% throughout.
Humidity Comfort Levels in December
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Otero de Herreros is essentially constant during December, remaining within 0.1 miles per hour of 8.3 miles per hour throughout.
For reference, on April 7, the windiest day of the year, the daily average wind speed is 9.2 miles per hour, while on August 26, the calmest day of the year, the daily average wind speed is 6.9 miles per hour.
Average Wind Speed in December
The wind direction in Otero de Herreros during December is predominantly out of the north from December 1 to December 27 and the west from December 27 to December 31.
Wind Direction in December
The growing season in Otero de Herreros typically lasts for 6.4 months (194 days), from around April 21 to around November 1, rarely starting before March 31 or after May 11, and rarely ending before October 13 or after November 22.
The month of December in Otero de Herreros is very likely fully outside of the growing season, with the chance that a given day is in the growing season gradually decreasing from 3% to -0% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in December
The average accumulated growing degree days in Otero de Herreros are essentially constant during December, remaining within 2°F of 2,551°F throughout.
Growing Degree Days in December
The average daily incident shortwave solar energy in Otero de Herreros is essentially constant during December, remaining within 0.1 kWh of 2.0 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 1.9 kWh on December 22.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Otero de Herreros are 40.820 deg latitude, -4.210 deg longitude, and 3,753 ft elevation.
The topography within 2 miles of Otero de Herreros contains very significant variations in elevation, with a maximum elevation change of 1,627 feet and an average elevation above sea level of 3,717 feet. Within 10 miles contains very significant variations in elevation (4,285 feet). Within 50 miles also contains extreme variations in elevation (6,578 feet).
The area within 2 miles of Otero de Herreros is covered by grassland (53%), cropland (26%), and trees (18%), within 10 miles by trees (32%) and cropland (31%), and within 50 miles by cropland (42%) and trees (26%).
This report illustrates the typical weather in Otero de Herreros, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Otero de Herreros.
For each station, the records are corrected for the elevation difference between that station and Otero de Herreros according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Otero de Herreros is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Otero de Herreros and a given station.
The stations contributing to this reconstruction are: Adolfo Suárez Madrid–Barajas Airport (45%, 65 kilometers, southeast); Salamanca Airport (28%, 110 kilometers, west); and Valladolid Airport (28%, 112 kilometers, northwest).
Time zones for airports and weather stations are provided by AskGeo.com .