March weather forecast
Boise, ID

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The golden fall season in Boise, Idaho
The golden fall season in Boise, Idaho

Weather in March

With March, Boise, Idaho, witnesses the spring effect. Rainfall still rules, overshadowing snowfall considerably. Noticeably, the days start to feel longer with increased sunshine and longer daylight hours. A noticeable warming can be felt as temperatures continue to increase, but these changes are gradual and do not trigger an abrupt change in the weather. Notably, in March the city sees an uptick in rain with 2.2" (56mm) on average.

Temperature

March brings a temperature increase in Boise, with average high-temperatures moving from February's wintry 39.9°F (4.4°C) to a frosty 48.9°F (9.4°C). In Boise, March nights cool down to an average of 34.3°F (1.3°C).

Humidity

In Boise, Idaho, the average relative humidity in March is 68%.

Rainfall

The month with the most rainfall is March, when the rain falls for 16.2 days and typically aggregates up to 2.2" (56mm) of precipitation.

Snowfall

Months with snowfall in Boise are January through April, November and December. In Boise, in March, snow falls for 3.1 days, with typically accumulated 1.5" (38mm) of snow. Throughout the year, there are 31.4 snowfall days, and 21.3" (541mm) of snow is accumulated.

Daylight

In Boise, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 7:19 am and sunset at 6:34 pm MST. On the last day of March, in Boise, sunrise is at 7:26 am and sunset at 8:11 pm MDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from MDT to MST.

Sunshine

The average sunshine in March is 7.8h.

UV index

In Boise, Idaho, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 3 during March translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average March temperature in Boise?

The average high-temperature, in March, in Boise, is 48.9°F (9.4°C), while the average low-temperature is 34.3°F (1.3°C).

What is the average humidity in March in Boise?

The average relative humidity in March in Boise is 68%.

What is the rainiest month in Boise?

March is the month with the most rainfall in Boise. Rain falls for 16.2 days and accumulates 2.2" (56mm) of precipitation.

How much does it rain in Boise in March?

In March, the rain falls for 16.2 days. Throughout March, 2.2" (56mm) of precipitation is accumulated.

How much does it snow in Boise in March?

In Boise, Idaho, in March, snow falls for 3.1 days, with typically accumulated 1.5" (38mm) of snow.

What is the average length of the day in March in Boise?

The average day length in March in Boise is 11h and 58min.

When is the sunrise / sunset in March in Boise?

In March, on the first day of the month, sunrise is at 7:19 am and sunset at 6:34 pm MST. On the last day of the month, sunrise is at 7:26 am and sunset at 8:11 pm MDT.

When does Daylight Saving Time (DST) start in March in Boise?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Boise?

In Boise, the average sunshine duration in March is 7.8h.

What is the UV index intensity in March in Boise?

The average daily maximum UV index in March in Boise is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Boise, ID

Average temperature in March - Boise, ID
  • Average high temperature in March: 48.9°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in March: 34.3°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

Average pressure in March
Boise, ID

Average pressure in March - Boise, ID
  • Average pressure in March: 30.04"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in March
Boise, ID

Average wind speed in March - Boise, ID
  • Average wind speed in March: 6.9mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

Average humidity in March
Boise, ID

Average humidity in March - Boise, ID
  • Average humidity in March: 68%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (30%).

Average rainfall in March
Boise, ID

Average rainfall in March - Boise, ID
  • Average rainfall in March: 2.2"

The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in March
Boise, ID

Average rainfall days in March - Boise, ID
  • Average rainfall days in March: 16.2 days

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is July (4.5 days).

Average snowfall in March
Boise, ID

Average snowfall in March - Boise, ID
  • Average snowfall in March: 1.5"

The month with the highest snowfall is December (6.65").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
Boise, ID

Average snowfall days in March - Boise, ID
  • Average snowfall days in March: 3.1 days

The month with the highest number of snowfall days is December (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Boise, ID

Average daylight in March / Average sunshine in March - Boise, ID
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in March: 7h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in March
Boise, ID

Average sunshine days in March - Boise, ID
  • Average sunshine days in March: 12.1 days

The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (12.1 days).

Average UV index in March
Boise, ID

Average UV index in March - Boise, ID
  • Average UV index in March: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in March
Boise, ID

Average cloud cover in March - Boise, ID
  • Average cloud cover in March: 38

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 8).

Average visibility in March
Boise, ID

Average visibility in March - Boise, ID
  • Average visibility in March: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Boise, Idaho, USA

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