Average Weather at Hope Aerodrome Canada
At Hope Aerodrome, the summers are comfortable and partly cloudy and the winters are chilly, wet, and overcast. Over the course of the year, the temperature typically varies from 27°F to 75°F and is rarely below 13°F or above 85°F.
The warm season lasts for 3.1 months, from June 15 to September 18, with an average daily high temperature above 67°F. The hottest day of the year is August 1, with an average high of 75°F and low of 55°F.
The cold season lasts for 3.2 months, from November 13 to February 20, with an average daily high temperature below 43°F. The coldest day of the year is December 30, with an average low of 27°F and high of 35°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 Hope Aerodrome, 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 at Hope Aerodrome begins around June 23 and lasts for 3.2 months, ending around September 28. On August 3, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 63% of the time, and overcast or mostly cloudy 37% of the time.
The cloudier part of the year begins around September 28 and lasts for 8.8 months, ending around June 23. On November 30, the cloudiest day of the year, the sky is overcast or mostly cloudy 79% of the time, and clear, mostly clear, or partly cloudy 21% of the time.
Cloud Cover Categories
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Hope Aerodrome varies significantly throughout the year.
The wetter season lasts 6.6 months, from October 7 to April 26, with a greater than 37% chance of a given day being a wet day. The chance of a wet day peaks at 60% on November 18.
The drier season lasts 5.4 months, from April 26 to October 7. The smallest chance of a wet day is 13% on August 10.
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 53% on November 5.
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. Hope Aerodrome experiences extreme seasonal variation in monthly rainfall.
Rain falls throughout the year at Hope Aerodrome. The most rain falls during the 31 days centered around November 12, with an average total accumulation of 7.8 inches.
The least rain falls around August 2, with an average total accumulation of 1.1 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. Hope Aerodrome experiences significant seasonal variation in monthly liquid-equivalent snowfall.
The snowy period of the year lasts for 5.6 months, from October 21 to April 9, 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 5, with an average total liquid-equivalent accumulation of 1.9 inches.
The snowless period of the year lasts for 6.4 months, from April 9 to October 21. The least snow falls around July 22, with an average total liquid-equivalent accumulation of 0.0 inches.
Average Liquid-Equivalent Monthly Snowfall
The length of the day at Hope Aerodrome varies extremely over the course of the year. In 2017, the shortest day is December 21, with 8 hours, 10 minutes of daylight; the longest day is June 20, with 16 hours, 16 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 4:59 AM on June 16, and the latest sunrise is 3 hours, 2 minutes later at 8:01 AM on December 31. The earliest sunset is at 4:06 PM on December 11, and the latest sunset is 5 hours, 9 minutes later at 9:16 PM on June 25.
Daylight saving time (DST) is observed at Hope Aerodrome during 2017, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5.
Sunrise & Sunset with Twilight and Daylight Saving Time
We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.
The perceived humidity level at Hope Aerodrome, 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, staying within 1% of 1% throughout.
Humidity Comfort Levels
This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.The average hourly wind speed at Hope Aerodrome does not vary significantly over the course of the year, remaining within 0.3 miles per hour of 2.0 miles per hour throughout.
Average Wind Speed
The predominant average hourly wind direction at Hope Aerodrome varies throughout the year.
The wind is most often from the south for 2.0 months, from February 23 to April 24 and for 2.7 months, from September 21 to December 13, with a peak percentage of 51% on November 4. The wind is most often from the west for 4.9 months, from April 24 to September 21, with a peak percentage of 66% on June 30. The wind is most often from the east for 2.4 months, from December 13 to February 23, with a peak percentage of 46% on January 1.
This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.
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 3.4 months, from May 8 to August 21, with an average daily incident shortwave energy per square meter above 5.4 kWh. The brightest day of the year is July 21, with an average of 6.6 kWh.
The darker period of the year lasts for 3.9 months, from October 20 to February 17, with an average daily incident shortwave energy per square meter below 2.0 kWh. The darkest day of the year is December 26, with an average of 0.8 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Hope Aerodrome are 49.369 deg latitude, -121.494 deg longitude, and 1,102 ft elevation.
The topography within 2 miles of Hope Aerodrome contains extreme variations in elevation, with a maximum elevation change of 4,672 feet and an average elevation above sea level of 910 feet. Within 10 miles also contains extreme variations in elevation (6,998 feet). Within 50 miles also contains extreme variations in elevation (10,761 feet).
The area within 2 miles of Hope Aerodrome is covered by trees (71%) and water (11%), within 10 miles by trees (94%), and within 50 miles by trees (75%).
This report illustrates the typical weather at Hope Aerodrome, 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
Hope Aerodrome 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 Agassiz Automated Reporting Station; Lytton, B. C.; Abbotsford International Airport; Princeton Automatic Weather Reporting System; Bellingham International Airport; P. Meadows Coastal Station Automatic Weather Reporting System; Bay View Airport; and White Rock Automatic Weather Reporting System.
All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.
All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.
Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.
Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.
Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .
Time zones for aiports and weather stations are provided by AskGeo.com .
Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.