This is NOT something that people thing of to share. It's a drier climate, no doubt. Your perception is your reality, only you wil be able to decide if Boise will work for you.
Come visit! And I suggest you visit at least once in the winter January to early March. It is brown and bleak because of the type of trees we have. Looks more midwestern or rust belt like than anything in western Oregon or Washington. When we do have snow on the ground - which is usually only a handful of days every winter - it's very pretty and alluring. Our snow usually doesn't stay around long, except in the shaded areas.
However, we do have four seasons and each are pretty spectacular in their own way. Thank you zoso Deciduous trees are perfect for that fall foliage so I'm actually excited about that. Bare winters are perfect as long as we have some snow. It seems Boise will be almost perfect climate for us besides the "dry" which we are willing to trade off for the many other benefits the Boise area has to offer. We don't like a dessert climate the heat and how it looks so we are trying to mentally prepare ourselves for that change.
Thank you for your perspective on how you handled the change. Originally Posted by boisefan Originally Posted by TohobitPeak. One of the great aspects of Boise is the four seasons, each one is different and pronounced.
I find winter beautiful in its own right in Boise because all of the trees are tall skeletons because they have shed their leaves. Based on this score, the best time of year to visit Boise 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 AM and PM of each day in the analysis period to , 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.
The growing season in Boise typically lasts for 5. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature.
Based on growing degree days alone, the first spring blooms in Boise should appear around April 8 , only rarely appearing before March 26 or after April 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. The brightest month of the year in Boise is July , with an average of 8. The darker period of the year lasts for 3. The darkest month of the year in Boise is December , with an average of 1.
For the purposes of this report, the geographical coordinates of Boise are The topography within 2 miles of Boise contains significant variations in elevation, with a maximum elevation change of feet and an average elevation above sea level of 2, feet. Within 10 miles contains significant variations in elevation 3, feet. Within 50 miles also contains extreme variations in elevation 7, feet.
This report illustrates the typical weather in Boise, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, to December 31, There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Boise.
For each station, the records are corrected for the elevation difference between that station and Boise 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 Boise is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Boise and a given station.
To get a sense of how much these sources agree with each other, you can view a comparison of Boise and the stations that contribute to our estimates of its temperature history and climate.
Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data. All data relating to the Sun's position e.
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 kilometer grid. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database.
Time zones for airports and weather stations are provided by AskGeo. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series.
While having the tremendous advantages of temporal and spatial completeness, these reconstructions: 1 are based on computer models that may have model-based errors, 2 are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and 3 have particular difficulty with the weather in some coastal areas, especially small islands.
Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure. Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.
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Log In Sign Up. Climate in Boise, Idaho. Boise averages 18 inches of snow per year. Deviations to this diurnal trend in wind direction are evident when a strong surface high pressure system is positioned west of the valley.
In this case, winds will be northwest until the high pressure system moves east of the city then winds shift southeast. Similarly, deep low pressure systems to the west of Boise or highs to the east have the opposite effect to overcome the diurnal influences. The mountain ranges both to the north and southwest of the valley act to channel winds through the valley in both the northwest and southeast directions.
Wind direction other than northwest or southeast is uncommon but they do occur. North to northeast winds from the Boise Mountains occur briefly on hot summer evenings pushing temperatures even higher due to downslope warming. Southwest winds blow occasionally when a large mid-latitude cyclone affects the Pacific Northwest in Winter.
Overall wind direction climatology for the Treasure Valley indicates that 85 percent of all wind comes from either the northwest or southeast direction and evenly split between the two directions.
Locations at both ends of the Valley, at Mountain Home and Ontario, are windier due to channeling effects or in the case of northwest flow at Ontario , downsloping from the Blue Mountains in Eastern Oregon which causes Northwest winds to accelerate.
Boise is located about midway through the valley and closer to the Boise front range, so these channeling effects are not as pronounced as they are at the endpoints of the valley, thus lighter winds occur at Boise. That is not to say that Boise does not have strong winds at times. They do occur and under varying circumstances. Strong winds at Boise occur in the following situations:. This means that nights cool down quickly and the days heat quickly as well.
This is due to the overall dryness to the air and the higher elevation. Mountain barriers block very cold air masses from the east and north and also dry out Pacific air masses from the west. Because Boise lies within the main belt of the westerlies, Maritime Polar air masses dominate the region much of year, but they are considerably modified by the time they reach the local area.
This makes Boise temperatures milder in winter for this northern location but also hotter in Summer. Average annual temperature is 5 degrees warmer than cities at the same latitude east of the Rockies. The area has a cool season maximum of precipitation while the warm season is mostly dry. The bulk of the annual precipitation is received between November and May with three quarters of the amount.
The winter months are characterized by steady widespread precipitation while the warm season months have more spotty convective showers and thunderstorms. Boise and the Treasure Valley have a high frequency of night time precipitation in the winter months with 75 percent of the total falling between midnight and 8am local time.
This overnight precipitation happens with uncanny regularity and often results in adverse traveling conditions in the early morning hours with roads covered in ice, snow, rain or a combination of all three. Snowfall at Boise averages around 20 inches per year but can vary from a low of only a few inches to 30 to 40 inches. With milder temperatures frequently in the Treasure Valley during the winter, snowfall is not as great as in other mid-latitude locations.
In contrast, the surrounding mountains get abundant snowfall in a normal year because of the higher elevation, colder temperatures and the mountain orographic wind flow effects producing these greater amounts of snow.
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