Weather

Boulder, located at the edge of the mountains, has a relatively mild climate with lots of sun and low humidity. Boulder experiences four seasons that include rain, thunderstorms and snow.

The table below lists the average temperature for Boulder in Fahrenheit:

Season

Avg. High Temp.

Avg. Low Temp

Summer

80s

50s

Fall

60s

30s

Winter

40s

20s

Spring

50s

30s

Colorado weather is generally unpredictable so be prepared for sudden changes in the weather!

Altitude & Sun

Boulder is 5,430 feet or 1,655 meters above sea level. The high altitude can cause mild altitude sickness and increased exposure to UV rays.

  • Drink lots of water
  • Avoid excessive physical activity and give your body time to get adjust to the altitude
  • Wear sunblock, sunglasses¬†and a hat
  • Wear UV protected clothing

If altitude sickness symptoms persist or worsen, consult a doctor.