Boise weather averages and climate Boise, Idaho. In Caldwell, there are 3 comfortable months with high temperatures in the range of 70-85°. Snowfall is 31 inches. There are also monthly and yearly counts of the days that the city normally has heavy snowstorms and deep snow accumulated on the ground. In Boise, during the entire year, the rain falls for 87.6 days and collects up to 11.7" (297.9mm) of precipitation. To see how much snow Bogus Basin got last ski season or any ski season dating back to 2009/2010, click the corresponding tab. Idaho Snow Survey and Water Supply Forecasting Program . In Boise, the average relative humidity in September is 45.1%. Here is a great tool to keep up with the winter weather of Coeur d'Alene. January, the same as December, is a wintry winter month in Boise, Idaho, with average temperature varying between 37.8°F (3.2°C) and 24.6°F (-4.1°C).In Boise, the average high-temperature is almost the same as in December - a still wintry 37.8°F (3.2°C). Climate is the average of weather over time. Climate in Boise, Idaho. Copyright © 2020 Current Results Publishing Ltd. Snowstorms of over five inches a … Credit: KTVB The US average is 38 inches of rain per year. Based on weather reports collected during 1985–2015. Snowfall averages 19 inches (48 cm), but typically falls in bouts of 3 inches (8 cm) or less. NWS Boise-Nampa area wages 11% less then national average, Boise area, 5 replies Average Utility and Water Costs for Boise Area?, Boise area, 2 replies Snowfall in Boise and Mountain Home area, Boise area, 1 replies Averages are for Boise Air Terminal, which is 3 miles from Boise Valley. However, the local law enforcement provide plenty of patrols. The timing of the end of the snow season varies a lot from year to year in Boise. In addition to snow history, you can also view the mountain's Base Depth by selecting it from the dropdown. shows the historical record of snowfall and forecasts several days ahead.. Questions? Please select one of the following: National Centers For Environmental Information, National Oceanic and Atmospheric Administration. The snowless period of the year lasts for 8.9 months, from February 17 to November 14. The first snowfall of winter for Boise usually arrives in November. Global Summary of the Month and Year, Version 1.0. That being said, there does not tend to be a lot of snow on the ground. The US average is 205 sunny days. Whether you're raising a family or you're a single college student attending Boise State University; Garden City is the place to be. Highest Daily Snowfall at Boise Each Year, Precipitation Averages for Places in Idaho. Overall, Garden City is a very vibrant and fun suburb of Boise, Idaho! Similarly in January, fresh snowfall in the heaviest years amounts to over 7.5 inches, while the lightest years get less than 1.8 inches. The most snow falls during the 31 days centered around December 26, with an average total liquid-equivalent accumulation of 0.4 inches. Boise, Idaho gets 13 inches of rain, on average, per year. Major blizzards that dump ten inches or more in one day are not at all expected here. Heavy snowstorms are uncommon for Boise. Abbreviations. Monthly: 1981-2010 normals Spring and fall are mild. Snow mostly accumulates during December and January. In December, for instance, one in four years totals over 10.6 inches of snow. Please try another search. Located on the Boise River in southwestern Idaho, the population of Boise at the 2010 Census was 205,671, the 99th largest in the United States. The snowless period of the year lasts for 9.0 months, from February 16 to November 15. It is about 20 inches of snow per year. 1981-2010 U.S. Located in the heart of the Boise Valley and at an elevation of 2440-2470 feet, Nampa enjoys a mild climate year round. The US average is 39. That record was set back on December 30, 1983 and December 2, 1985. With milder temperatures frequently in the Treasure Valley during the winter, snowfall is not as great as in other mid-latitude locations. July is the hottest month for Meridian with an average high temperature of 91.6°, which ranks it as one of the hottest places in Idaho. NOAA National Centers for Environmental Information. In addition to snow history, you can also view the mountain's Base Depth by selecting it from the dropdown. (Data Access. The repository for Official and Certifiable climatologically data for the United States is at the National Centers For Environmental Information in Asheville, North Carolina.