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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Boulder's climate page.

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).

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Boulder's climate page.

More climate data for Boulder

Temperature Rainfall Sunshine Humidity

See the full Boulder climate overview or explore weather in the United States of America.