Average Weather in January in Les Houches France
Daily high temperatures increase by 3°F, from 27°F to 30°F, rarely falling below 20°F or exceeding 38°F. The lowest daily average high temperature is 27°F on January 4.
Daily low temperatures are around 13°F, rarely falling below 4°F or exceeding 23°F. The lowest daily average low temperature is 13°F on January 12.
For reference, on July 26, the hottest day of the year, temperatures in Les Houches typically range from 47°F to 68°F, while on January 12, the coldest day of the year, they range from 13°F to 27°F.
Average High and Low Temperature in January
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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 January
The month of January in Les Houches 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 clearest day of the month is January 30, with clear, mostly clear, or partly cloudy conditions 47% of the time.
For reference, on May 9, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 62%, while on July 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 62%.
Cloud Cover Categories in January
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 Les Houches, the chance of a wet day over the course of January is essentially constant, remaining around 29% throughout.
For reference, the year's highest daily chance of a wet day is 40% on May 26, and its lowest chance is 23% on March 5.
Over the course of January in Les Houches, the chance of a day with only rain remains an essentially constant 0% throughout, the chance of a day with mixed snow and rain increases from 5% to 7%, and the chance of a day with only snow decreases from 26% to 22%.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in Les Houches is essentially constant, remaining about 0.3 inches throughout, and rarely exceeding 1.0 inches.
The lowest average 31-day accumulation is 0.2 inches on January 5.
Average Monthly Rainfall in January
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. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during January in Les Houches is gradually decreasing, starting the month at 3.0 inches, when it rarely exceeds 6.2 inches or falls below 0.8 inches, and ending the month at 2.6 inches, when it rarely exceeds 5.6 inches or falls below 0.5 inches.
Average Monthly Liquid-Equivalent Snowfall in January
Over the course of January in Les Houches, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 56 minutes, implying an average daily increase of 1 minute, 53 seconds, and weekly increase of 13 minutes, 9 seconds.
The shortest day of the month is January 1, with 8 hours, 44 minutes of daylight and the longest day is January 31, with 9 hours, 41 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Les Houches is 8:14 AM on January 1 and the earliest sunrise is 18 minutes earlier at 7:56 AM on January 31.
The earliest sunset is 4:58 PM on January 1 and the latest sunset is 38 minutes later at 5:36 PM on January 31.
Daylight saving time is observed in Les Houches during 2018, but it neither starts nor ends during January, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:42 AM and sets 15 hours, 44 minutes later, at 9:26 PM, while on December 21, the shortest day of the year, it rises at 8:11 AM and sets 8 hours, 39 minutes later, at 4:50 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in Les Houches is essentially constant during January, remaining around 0% throughout.
Humidity Comfort Levels in January
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Les Houches is essentially constant during January, remaining within 0.1 miles per hour of 4.1 miles per hour throughout.
For reference, on January 26, the windiest day of the year, the daily average wind speed is 4.2 miles per hour, while on August 10, the calmest day of the year, the daily average wind speed is 3.6 miles per hour.
The highest daily average wind speed during January is 4.2 miles per hour on January 26.
Average Wind Speed in January
Wind Direction in January
The growing season in Les Houches typically lasts for 3.9 months (119 days), from around May 23 to around September 19, rarely starting before May 3 or after June 13, and rarely ending before August 26 or after October 12.
The month of January in Les Houches is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in January
The average accumulated growing degree days in Les Houches are essentially constant during January, remaining around 0°F throughout.
Growing Degree Days in January
The average daily incident shortwave solar energy in Les Houches is gradually increasing during January, rising by 0.7 kWh, from 1.6 kWh to 2.3 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of Les Houches are 45.890 deg latitude, 6.796 deg longitude, and 5,121 ft elevation.
The topography within 2 miles of Les Houches contains extreme variations in elevation, with a maximum elevation change of 6,194 feet and an average elevation above sea level of 4,633 feet. Within 10 miles also contains extreme variations in elevation (13,999 feet). Within 50 miles also contains extreme variations in elevation (14,967 feet).
The area within 2 miles of Les Houches is covered by trees (57%), grassland (11%), and artificial surfaces (11%), within 10 miles by trees (25%) and bare soil (24%), and within 50 miles by trees (34%) and grassland (22%).
This report illustrates the typical weather in Les Houches 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 Les Houches.
For each station, the records are corrected for the elevation difference between that station and Les Houches 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 Les Houches is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Les Houches and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .