Boulder
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Boulder Weather in March

With daytime temperatures of 14°C (57°F) and nighttime lows of -2°C (28°F), March in Boulder brings moderate temperatures during the day. Some snow/rainfall is to be expected during the month.

Rainfall in Boulder in March

Typically around 7 days of snow/rainfall are expected, averaging 40 mm (1.6 in) for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Boulder in March

In March, Boulder sees moderate temperatures, with highs of 14°C (57°F). Nights drop to around -2°C (28°F). The difference between afternoon and evening temperatures is usually noticeable. At -2°C (28°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Boulder in March

Expect sunny days throughout the month, with an estimated 253 hours of sunshine. Despite the cool temperatures, the sunny skies make it a pleasant time to visit Boulder.

If your ideal day consists of dry skies and pleasant temperatures, May, June and September typically offer the best circumstances for Boulder.

Boulder Temperature in March

Min Temperature
-2°C (28°F)
Max Temperature
14°C (57°F)
Chance of Rain
23%
Precipitation
40 mm (1.6 in)
Rainy days
7 days
Humidity
53% *
Sunshine
253 hours *
Percentage Sunshine
69% *
* Data from: Denver, the United States of America (45 KM, 28 Miles).

Boulder Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Boulder - and find the best time to visit.

Best Places in the United States of America in March

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Boulder in March

Pack for changing conditions in Boulder in March. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Boulder in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    4/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    2/10
  • Outdoor sports
    10/10

Boulder 3-Day Forecast

Popular in March

Where to go in March - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.