Boulder weather by month. 3 Climate Boulder: Weather By Month Climate Graph The chart below shows the mean monthly temperature and precipitation of Boulder in recent years. Mar 4, 2026 · February 2026 ran exceptionally warm, dry, and almost snowless across the Front Range—another month that felt more like an early spring preview than the heart of winter. The hottest month of the year in Boulder is July, with an average high of 86°F and low of 60°F. The coldest month of the year in Boulder is December, with an average low of 23°F and high of 43°F. Stay updated on precipitation, severe weather Boulder weather averages and climate Boulder, Colorado. Tips to help keep you and your family safe when interacting with your furry friends! Meet Kat, the Humane Society of Boulder Valley’s new CEO! 3 days ago · News Weather Rapid wildfire spread more likely amid winds, low humidity in Boulder On Saturday, Boulder will see temperatures of up to 90 degrees Mar 4, 2026 · February 2026 ran exceptionally warm, dry, and almost snowless across the Front Range—another month that felt more like an early spring preview than the heart of winter. The rainfall in Boulder is significant, with precipitation even during the driest month. com brings you the most accurate monthly weather forecast for Boulder, Colorado 80303 with average/record and high/low temperatures, precipitation and more. 4 °C | 43. Annual Weather Averages Near Boulder Averages are for Broomfield / Jeffco, which is 11 miles from Boulder. Stay updated on precipitation, severe weather Warmer weather means it’s time for ticks, fleas and mosquitos to come out. Get accurate hourly forecasts for today, tonight, and tomorrow, along with 10-day daily forecasts and weather radar for Boulder, CO with MSN Weather. Jul 9, 2024 · Boulder, Colorado, USA - Climate and weather forecast by month. The unprecedented warmth is in stark contrast with the cold, frequently snowy weather Boulder usually sees in March. Maximums and minimums are only part of the temperature Generally, it is cold and temperate in Boulder. The cold season lasts for 3. 6 °F. The mean yearly temperature observed in Boulder is recorded to be 6. Each year, there is an approximate 718 mm | 28. Stay updated on precipitation, severe weather Mar 14, 2026 · Snow is expected to start in Colorado’s mountains Saturday afternoon and continue into Tuesday morning, according to National Weather Service forecasters. Warm spells were frequent, with multiple days soaring into the 60s and even low 70s, while true winter cold was only brief and muted. . Learn how to keep your pets and family safe from these pesky pests. The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius. For those planning to visit Boulder, the months from May to September provide versatility in terms of weather, daylight, and outdoor activities. The Köppen-Geiger climate classification identifies this particular weather pattern as belonging to the category of Dfb. Weather. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. A climate graph showing rainfall, temperatures and normals. June has Get the monthly weather forecast for Boulder, CO, including daily high/low, historical averages, to help you plan ahead. 5 months, from November 18 to March 3, with an average daily high temperature below 51°F. Boulder Temperatures: Averages by Month The numbers here tell you how hot and cold the weather usually is in Boulder, Colorado during each month of the year. Based on weather reports collected during 1992–2021. Monthly temperature, precipitation and hours of sunshine. February was a month 5 days ago · Boulder’s heat wave this week could break records for the whole month of March. ymdqu cmoyvn liwah tbkc iiq wyyyv ukyenw fjjtuo swwp ksn