Average Weather at Coeur D'Alene Air Terminal Idaho, United States
At Coeur D'Alene Air Terminal, the summers are short, warm, dry, and mostly clear and the winters are freezing and mostly cloudy. Over the course of the year, the temperature typically varies from 23°F to 86°F and is rarely below 8°F or above 95°F.
Based on the tourism score, the best time of year to visit Coeur D'Alene Air Terminal for warm-weather activities is from early July to mid August.
The hot season lasts for 2.7 months, from June 21 to September 12, with an average daily high temperature above 75°F. The hottest day of the year is August 3, with an average high of 86°F and low of 55°F.
The cold season lasts for 3.5 months, from November 13 to February 26, with an average daily high temperature below 43°F. The coldest day of the year is January 1, with an average low of 23°F and high of 33°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
At Coeur D'Alene Air Terminal, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year.
The clearer part of the year at Coeur D'Alene Air Terminal begins around June 8 and lasts for 4.1 months, ending around October 10. On August 1, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 79% of the time, and overcast or mostly cloudy 21% of the time.
The cloudier part of the year begins around October 10 and lasts for 7.9 months, ending around June 8. On January 8, the cloudiest day of the year, the sky is overcast or mostly cloudy 75% of the time, and clear, mostly clear, or partly cloudy 25% of the time.
Cloud Cover Categories
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. The chance of wet days at Coeur D'Alene Air Terminal varies significantly throughout the year.
The wetter season lasts 7.8 months, from October 19 to June 12, with a greater than 26% chance of a given day being a wet day. The chance of a wet day peaks at 43% on November 19.
The drier season lasts 4.2 months, from June 12 to October 19. The smallest chance of a wet day is 9% on August 4.
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 throughout the year is rain alone, with a peak probability of 36% on November 10.
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. Coeur D'Alene Air Terminal experiences significant seasonal variation in monthly rainfall.
Rain falls throughout the year at Coeur D'Alene Air Terminal. The most rain falls during the 31 days centered around November 20, with an average total accumulation of 3.3 inches.
The least rain falls around August 6, with an average total accumulation of 0.6 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. Coeur D'Alene Air Terminal experiences some seasonal variation in monthly liquid-equivalent snowfall.
The snowy period of the year lasts for 4.9 months, from October 30 to March 26, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around December 31, with an average total liquid-equivalent accumulation of 1.0 inches.
The snowless period of the year lasts for 7.1 months, from March 26 to October 30. The least snow falls around July 24, with an average total liquid-equivalent accumulation of 0.0 inches.
Average Liquid-Equivalent Monthly Snowfall
The length of the day at Coeur D'Alene Air Terminal varies extremely over the course of the year. In 2018, the shortest day is December 21, with 8 hours, 24 minutes of daylight; the longest day is June 21, with 16 hours, 1 minute of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 4:48 AM on June 16, and the latest sunrise is 2 hours, 48 minutes later at 7:36 AM on December 31. The earliest sunset is at 3:54 PM on December 11, and the latest sunset is 4 hours, 55 minutes later at 8:49 PM on June 25.
Daylight saving time (DST) is observed at Coeur D'Alene Air Terminal during 2018, starting in the spring on March 11, lasting 7.8 months, and ending in the fall on November 4.
Sunrise & Sunset with Twilight and Daylight Saving Time
The perceived humidity level at Coeur D'Alene Air Terminal, 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
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
Average Wind Speed
The predominant average hourly wind direction at Coeur D'Alene Air Terminal varies throughout the year.
The wind is most often from the west for 2.3 months, from July 14 to September 24, with a peak percentage of 40% on August 29. The wind is most often from the south for 9.7 months, from September 24 to July 14, with a peak percentage of 46% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is at Coeur D'Alene Air Terminal throughout the year, we compute two travel scores.
The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Coeur D'Alene Air Terminal for general outdoor tourist activities is from early July to mid August, with a peak score in the first week of August.
The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Coeur D'Alene Air Terminal for hot-weather activities is from mid July to mid August, with a peak score in the last week of July.
For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.
Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.
Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.
Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.
Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.
The growing season at Coeur D'Alene Air Terminal typically lasts for 5.1 months (155 days), from around May 4 to around October 6, rarely starting before April 14 or after May 24, and rarely ending before September 16 or after October 26.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms at Coeur D'Alene Air Terminal should appear around May 1, only rarely appearing before April 20 or after May 16.
Growing Degree Days
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 3.1 months, from May 19 to August 21, with an average daily incident shortwave energy per square meter above 6.2 kWh. The brightest day of the year is July 15, with an average of 7.5 kWh.
The darker period of the year lasts for 3.8 months, from October 25 to February 20, with an average daily incident shortwave energy per square meter below 2.3 kWh. The darkest day of the year is December 26, with an average of 1.0 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Coeur D'Alene Air Terminal are 47.774 deg latitude, -116.819 deg longitude, and 2,287 ft elevation.
The topography within 2 miles of Coeur D'Alene Air Terminal is essentially flat, with a maximum elevation change of 66 feet and an average elevation above sea level of 2,295 feet. Within 10 miles is essentially flat (2,887 feet). Within 50 miles contains large variations in elevation (5,561 feet).
The area within 2 miles of Coeur D'Alene Air Terminal is covered by grassland (43%), cropland (24%), artificial surfaces (19%), and shrubs (10%), within 10 miles by trees (38%) and shrubs (32%), and within 50 miles by trees (46%) and shrubs (28%).
This report illustrates the typical weather at Coeur D'Alene Air Terminal, 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
Coeur D'Alene Air Terminal has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.
In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.
The stations on which we may fall back include but are not limited to Felts Field; Sandpoint Airport; Deer Park Airport; Spokane International Airport; Fairchild Air Force Base; Pullman–Moscow Regional Airport; Mullan Pass, Mullan Pass Vor; and Lewiston–Nez Perce County Airport.
Time zones for aiports and weather stations are provided by AskGeo.com .