Springtime in Boulder, Colorado is a time of transition, as the cold and snowy winter weather gradually gives way to warmer temperatures and blooming flowers. The season typically runs from late March through May, and during this time, the weather can be highly variable, with sudden temperature swings, rain showers, and occasional snowfall.

One of the most noticeable features of springtime in Boulder is the increase in daylight hours. As the season progresses, the sun rises earlier and sets later, bringing more warmth and light to the region. Average daily temperatures in March range from around 30°F to 58°F ( -1°C to 14°C), with lows dipping below freezing and highs occasionally reaching into the 60s (around 15°C). April sees a significant jump in temperatures, with highs averaging in the mid-60s (around 18°C) and lows hovering around 35°F to 45°F (2°C to 7°C). May is typically the warmest month of the season, with highs averaging in the upper 60s (around 20°C) and lows staying above freezing.

While springtime in Boulder can be pleasantly mild, it is also a time of frequent weather fluctuations. Cold fronts can bring sudden drops in temperature, and snowstorms are not unheard of in March and April. On average, the city sees about 4 inches of snowfall in March, 6 inches in April, and 1 inch in May. In addition, spring is typically the wettest season of the year, with precipitation averaging around 2 inches per month.

Despite the variability in weather, springtime in Boulder is a beautiful and exciting season, with a host of outdoor activities and events to enjoy. As the snow melts and the ground thaws, hiking and biking trails open up, and the region’s natural beauty comes alive with wildflowers and budding trees. The city’s farmers markets and outdoor festivals begin to stir to life, offering a range of fresh produce and entertainment for visitors and locals alike. Overall, while the weather can be unpredictable, the arrival of spring in Boulder is a much-anticipated and joyous time of year.