Average Weather in December in San Bartolomé de las Abiertas Spain
Daily high temperatures decrease by 3°F, from 54°F to 51°F, rarely falling below 45°F or exceeding 61°F.
Daily low temperatures decrease by 3°F, from 38°F to 35°F, rarely falling below 25°F or exceeding 47°F.
For reference, on July 22, the hottest day of the year, temperatures in San Bartolomé de las Abiertas typically range from 66°F to 93°F, while on January 15, the coldest day of the year, they range from 34°F to 51°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
Paradise, California, United States (5,658 miles away) and Green Valley, California, United States (5,789 miles) are the far-away foreign places with temperatures most similar to San Bartolomé de las Abiertas (view comparison).
The month of December in San Bartolomé de las Abiertas experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 49% throughout the month. The highest chance of overcast or mostly cloudy conditions is 50% on December 16.
The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 53% of the time.
For reference, on December 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 50%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 90%.
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 San Bartolomé de las Abiertas, the chance of a wet day over the course of December is gradually increasing, starting the month at 16% and ending it at 19%.
For reference, the year's highest daily chance of a wet day is 23% on October 31, and its lowest chance is 3% on July 31.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in San Bartolomé de las Abiertas is essentially constant, remaining about 1.2 inches throughout, and rarely exceeding 3.7 inches or falling below 0.1 inches.
Average Monthly Rainfall in December
Over the course of December in San Bartolomé de las Abiertas, the length of the day is essentially constant. The shortest day of the month is December 22, with 9 hours, 21 minutes of daylight and the longest day is December 1, with 9 hours, 34 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in San Bartolomé de las Abiertas is 8:20 AM on December 1 and the latest sunrise is 19 minutes later at 8:40 AM on December 31.
The earliest sunset is 5:53 PM on December 7 and the latest sunset is 10 minutes later at 6:03 PM on December 31.
Daylight saving time is observed in San Bartolomé de las Abiertas during 2018, 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 6:50 AM and sets 15 hours, 0 minutes later, at 9:50 PM, while on December 21, the shortest day of the year, it rises at 8:36 AM and sets 9 hours, 21 minutes later, at 5:57 PM.
Sunrise & Sunset with Twilight in December
The chance that a given day will be muggy in San Bartolomé de las Abiertas is essentially constant during December, remaining around 0% throughout.
For reference, on July 25, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
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 San Bartolomé de las Abiertas is essentially constant during December, remaining within 0.1 miles per hour of 7.6 miles per hour throughout.
For reference, on April 7, the windiest day of the year, the daily average wind speed is 8.7 miles per hour, while on September 10, the calmest day of the year, the daily average wind speed is 7.0 miles per hour.
The lowest daily average wind speed during December is 7.5 miles per hour on December 2.
Average Wind Speed in December
Wind Direction in December
The growing season in San Bartolomé de las Abiertas typically lasts for 8.5 months (259 days), from around March 8 to around November 22, rarely starting before February 13 or after April 1, and rarely ending before November 4 or after December 12.
The month of December in San Bartolomé de las Abiertas is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season rapidly decreasing from 28% to 1% 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 San Bartolomé de las Abiertas are essentially constant during December, remaining within 14°F of 4,262°F throughout.
Growing Degree Days in December
The average daily incident shortwave solar energy in San Bartolomé de las Abiertas is essentially constant during December, remaining within 0.1 kWh of 2.2 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 2.0 kWh on December 22.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of San Bartolomé de las Abiertas are 39.830 deg latitude, -4.719 deg longitude, and 1,713 ft elevation.
The topography within 2 miles of San Bartolomé de las Abiertas contains only modest variations in elevation, with a maximum elevation change of 440 feet and an average elevation above sea level of 1,754 feet. Within 10 miles contains only modest variations in elevation (1,532 feet). Within 50 miles contains very significant variations in elevation (7,493 feet).
The area within 2 miles of San Bartolomé de las Abiertas is covered by cropland (91%), within 10 miles by cropland (74%) and trees (13%), and within 50 miles by cropland (46%) and trees (27%).
This report illustrates the typical weather in San Bartolomé de las Abiertas year round, 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 San Bartolomé de las Abiertas.
For each station, the records are corrected for the elevation difference between that station and San Bartolomé de las Abiertas 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 San Bartolomé de las Abiertas is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San Bartolomé de las Abiertas and a given station.
The stations contributing to this reconstruction are: Ciudad Real Central Airport (38%, 117 kilometers, southeast); Adolfo Suárez Madrid–Barajas Airport (35%, 123 kilometers, northeast); and Salamanca Airport (28%, 141 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .