Average Weather in December in Herbrandston United Kingdom
Daily high temperatures decrease by 2°F, from 50°F to 48°F, rarely falling below 41°F or exceeding 55°F.
Daily low temperatures decrease by 2°F, from 44°F to 42°F, rarely falling below 34°F or exceeding 51°F.
For reference, on August 7, the hottest day of the year, temperatures in Herbrandston typically range from 57°F to 64°F, while on February 17, the coldest day of the year, they range from 41°F to 47°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 Herbrandston experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 63% throughout the month.
The clearest day of the month is December 3, with clear, mostly clear, or partly cloudy conditions 39% of the time.
For reference, on January 6, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 65%, while on July 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 54%.
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 Herbrandston, the chance of a wet day over the course of December is gradually increasing, starting the month at 43% and ending it at 46%.
For reference, the year's highest daily chance of a wet day is 47% on November 10, and its lowest chance is 24% on July 24.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Herbrandston is essentially constant, remaining about 4.0 inches throughout, and rarely exceeding 6.5 inches or falling below 1.5 inches.
The highest average 31-day accumulation is 4.1 inches on December 30.
Average Monthly Rainfall in December
Over the course of December in Herbrandston, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 16 minutes, implying an average daily decrease of 32 seconds, and weekly decrease of 3 minutes, 45 seconds.
The shortest day of the month is December 21, with 7 hours, 47 minutes of daylight and the longest day is December 1, with 8 hours, 9 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Herbrandston is 8:04 AM on December 1 and the latest sunrise is 22 minutes later at 8:27 AM on December 30.
The earliest sunset is 4:10 PM on December 12 and the latest sunset is 10 minutes later at 4:19 PM on December 31.
Daylight saving time is observed in Herbrandston 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 5:01 AM and sets 16 hours, 41 minutes later, at 9:42 PM, while on December 21, the shortest day of the year, it rises at 8:24 AM and sets 7 hours, 47 minutes later, at 4:12 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 Herbrandston is essentially constant during December, remaining around 0% throughout.
For reference, on August 20, 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 Herbrandston is increasing during December, increasing from 18.8 miles per hour to 20.0 miles per hour over the course of the month.
For reference, on January 1, the windiest day of the year, the daily average wind speed is 20.1 miles per hour, while on June 14, the calmest day of the year, the daily average wind speed is 12.1 miles per hour.
Average Wind Speed in December
The hourly average wind direction in Herbrandston throughout December is predominantly from the west, with a peak proportion of 39% on December 31.
Wind Direction in December
Herbrandston is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Herbrandston is gradually decreasing during December, falling by 3°F, from 53°F to 50°F, over the course of the month.
Average Water Temperature in December
The growing season in Herbrandston typically lasts for 11 months (336 days), from around February 1 to around January 2, rarely starting after March 13, or ending before December 7.
The month of December in Herbrandston 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 94% to 55% 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 Herbrandston are essentially constant during December, remaining within 9°F of 1,371°F throughout.
Growing Degree Days in December
The average daily incident shortwave solar energy in Herbrandston is essentially constant during December, remaining within 0.1 kWh of 0.7 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 0.6 kWh on December 26.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Herbrandston are 51.726 deg latitude, -5.087 deg longitude, and 190 ft elevation.
The topography within 2 miles of Herbrandston contains only modest variations in elevation, with a maximum elevation change of 259 feet and an average elevation above sea level of 110 feet. Within 10 miles contains only modest variations in elevation (584 feet). Within 50 miles contains significant variations in elevation (1,752 feet).
The area within 2 miles of Herbrandston is covered by grassland (37%), water (22%), cropland (20%), and artificial surfaces (16%), within 10 miles by water (47%) and grassland (39%), and within 50 miles by water (79%) and grassland (17%).
This report illustrates the typical weather in Herbrandston, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Herbrandston.
For each station, the records are corrected for the elevation difference between that station and Herbrandston 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 Herbrandston is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Herbrandston and a given station.
Time zones for airports and weather stations are provided by AskGeo.com .