Boise Weather in March
March in Boise brings moderate temperatures, with daytime highs of 13°C (55°F) and nights around 1°C (34°F). Expect around 39 mm (1.5 in) of rainfall during the month.
Rainfall in Boise in March
Historically, approximately 14 days this month are expected to have rain, averaging 39 mm (1.5 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Boise in March
March in Boise sees highs of 13°C (55°F) and lows of 1°C (34°F) overnight. Conditions are often most pleasant around the middle of the day. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Boise in March
The month enjoys around 240 hours of sunshine, creating mostly sunny days despite the cool temperatures.If your ideal day consists of dry skies and pleasant temperatures, May, June, September and October typically offer the best circumstances for Boise.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Boise's climate page.
Boise Temperature in March
Min Temperature
1°C (34°F)
Max Temperature
13°C (55°F)
Chance of Rain
46%
Precipitation
39 mm (1.5 in)
Rainy days
14 days
Humidity
59%
Sunshine
240 hours
Percentage Sunshine
64%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Boise typically rise from around 10°C (50°F) at the start of March to approximately 13°C (55°F) by the end. Nights are cold, with lows typically ranging from 0°C (32°F) to 3°C (37°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Boise in March
Browse day-by-day weather records for Boise spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Boise historical weather extremes in March
Our historical data for Boise spans 1976 to 2026, revealing these weather extremes.
- The warmest day in March was on March 20, 2026, with a maximum of 28°C (82°F).
- Boise registered its coldest March night on March 4, 1976, with temperatures dropping to -11°C (12°F).
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
What to Wear in Boise in March
The weather can swing between comfortable and chilly in March, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Light rain is possible, so consider bringing a small umbrella or rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Boise in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Boise's climate page.
Temperature Rainfall Sunshine Humidity
See the full Boise climate overview or explore weather in the United States of America.
