Average Weather in Arinsal Andorra
In Arinsal, the summers are short and cool; the winters are long, freezing, and snowy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 17°F to 66°F and is rarely below 7°F or above 74°F.
The warm season lasts for 2.9 months, from June 17 to September 14, with an average daily high temperature above 59°F. The hottest day of the year is August 4, with an average high of 66°F and low of 45°F.
The cold season lasts for 3.9 months, from November 16 to March 14, with an average daily high temperature below 39°F. The coldest day of the year is January 11, with an average low of 17°F and high of 32°F.
Average High and Low Temperature
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, 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 Arinsal, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.
The clearer part of the year in Arinsal begins around June 19 and lasts for 2.6 months, ending around September 8. On July 20, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 74% of the time, and overcast or mostly cloudy 26% of the time.
The cloudier part of the year begins around September 8 and lasts for 9.4 months, ending around June 19. On November 1, the cloudiest day of the year, the sky is overcast or mostly cloudy 59% of the time, and clear, mostly clear, or partly cloudy 41% of the time.
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Arinsal varies throughout the year.
The wetter season lasts 8.7 months, from September 23 to June 14, with a greater than 22% chance of a given day being a wet day. The chance of a wet day peaks at 29% on May 8.
The drier season lasts 3.3 months, from June 14 to September 23. The smallest chance of a wet day is 15% on July 14.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation in Arinsal changes throughout the year.
Rain alone is the most common for 6.9 months, from April 17 to November 13. The highest chance of a day with rain alone is 22% on May 23.
Snow alone is the most common for 4.5 months, from November 13 to March 30. The highest chance of a day with snow alone is 16% on January 16.
Mixed snow and rain is the most common for 2.6 weeks, from March 30 to April 17. The highest chance of a day with mixed snow and rain is 10% on April 12.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Arinsal experiences some seasonal variation in monthly rainfall.
The rainy period of the year lasts for 7.9 months, from March 29 to November 27, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around May 19, with an average total accumulation of 1.5 inches.
The rainless period of the year lasts for 4.1 months, from November 27 to March 29. The least rain falls around February 2, with an average total accumulation of 0.1 inches.
Average Monthly Rainfall
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.
As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Arinsal experiences significant seasonal variation in monthly liquid-equivalent snowfall.
The snowy period of the year lasts for 8.2 months, from September 30 to June 6, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around January 27, with an average total liquid-equivalent accumulation of 1.1 inches.
The snowless period of the year lasts for 3.8 months, from June 6 to September 30. The least snow falls around August 19, with an average total liquid-equivalent accumulation of 0.0 inches.
Average Liquid-Equivalent Monthly Snowfall
The length of the day in Arinsal varies significantly over the course of the year. In 2017, the shortest day is December 21, with 9 hours, 3 minutes of daylight; the longest day is June 21, with 15 hours, 19 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 6:15 AM on June 15, and the latest sunrise is 2 hours, 8 minutes later at 8:24 AM on January 4. The earliest sunset is at 5:20 PM on December 9, and the latest sunset is 4 hours, 15 minutes later at 9:35 PM on June 27.
Daylight saving time (DST) is observed in Arinsal during 2017, starting in the spring on March 26, lasting 7.1 months, and ending in the fall on October 29.
Sunrise & Sunset with Twilight and Daylight Saving Time
The perceived humidity level in Arinsal, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout.
Humidity Comfort Levels
The average hourly wind speed in Arinsal experiences mild seasonal variation over the course of the year.
The windier part of the year lasts for 6.7 months, from October 26 to May 16, with average wind speeds of more than 3.3 miles per hour. The windiest day of the year is April 6, with an average hourly wind speed of 4.1 miles per hour.
The calmer time of year lasts for 5.3 months, from May 16 to October 26. The calmest day of the year is August 27, with an average hourly wind speed of 2.6 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Arinsal varies throughout the year.
The wind is most often from the south for 2.6 weeks, from October 11 to October 29, with a peak percentage of 40% on October 26. The wind is most often from the north for 11 months, from October 29 to October 11, with a peak percentage of 52% on January 1.
The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.
The brighter period of the year lasts for 3.3 months, from May 10 to August 19, with an average daily incident shortwave energy per square meter above 6.3 kWh. The brightest day of the year is July 5, with an average of 7.5 kWh.
The darker period of the year lasts for 3.4 months, from October 28 to February 10, with an average daily incident shortwave energy per square meter below 3.0 kWh. The darkest day of the year is December 19, with an average of 1.8 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Arinsal are 42.572 deg latitude, 1.485 deg longitude, and 6,368 ft elevation.
The topography within 2 miles of Arinsal contains extreme variations in elevation, with a maximum elevation change of 4,623 feet and an average elevation above sea level of 6,205 feet. Within 10 miles also contains extreme variations in elevation (7,451 feet). Within 50 miles also contains extreme variations in elevation (10,591 feet).
The area within 2 miles of Arinsal is covered by trees (57%) and bare soil (30%), within 10 miles by trees (38%) and grassland (20%), and within 50 miles by trees (51%) and grassland (17%).
This report illustrates the typical weather in Arinsal, 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 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Arinsal.
For each station, the records are corrected for the elevation difference between that station and Arinsal 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 Arinsal is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Arinsal and a given station.
The stations contributing to this reconstruction are: Saint-Girons - Antichan (29%, 58 kilometers, northwest); Carcassonne-Salvaza (20%, 98 kilometers, northeast); Perpignan–Rivesaltes Airport (18%, 115 kilometers, east); Aeroport de Girona - Costa Brava (18%, 129 kilometers, southeast); and Barcelona–El Prat Airport (15%, 150 kilometers, south).
Time zones for aiports and weather stations are provided by AskGeo.com .