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

In Boise, the average high-temperature in March rises, from a cold 39.9°F (4.4°C) in February, to a frosty 48.9°F (9.4°C). Boise's temperature tends to fall to an average low of 34.3°F (1.3°C) during the nights of March.

Humidity

In March, the average relative humidity is 68%.

Rainfall

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

Snowfall

Months with snowfall 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. In Boise, during the entire year, snow falls for 31.4 days and aggregates up to 21.3" (541mm) of snow.

Daylight

In March, the average length of the day in Boise 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, 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, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 3 in March leads to these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in March?

Boise in March has an average high-temperature of 48.9°F (9.4°C) and an average low-temperature of 34.3°F (1.3°C).

What is the average humidity in March?

In March, the average relative humidity is 68%.

What is the rainiest month?

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

How many days does it rain in March?

In Boise, in March, during 16.2 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How much does it snow in March?

In Boise, in March, during 3.1 snowfall days, 1.5" (38mm) of snow is typically accumulated.

How many hours of daylight does Boise have in March?

In March, the average day length is 11h and 58min.

When is the sunrise / sunset in March?

On the first day of March, 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?

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

How many hours of sunshine does Boise have in March?

The average sunshine duration in March is 7.8h.

What is the UV index reading in March?

In Boise, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's 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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