March weather forecast and climate
Boise, ID

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

Weather in March

The first month of the spring, March, is a chilly month in Boise, Idaho, with average temperature varying between 48.9°F (9.4°C) and 34.3°F (1.3°C).

Temperature

In Boise, Idaho, the average high-temperature increases, from a wintry 39.9°F (4.4°C) in February, to a frosty 48.9°F (9.4°C). The average low-temperature, in Boise, is 34.3°F (1.3°C).

Humidity

In Boise, the average relative humidity is 68%.

Rainfall

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

Snowfall

Months with snowfall in Boise are January through April, November and December. In Boise, 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 Boise, Idaho, the average length of the day in March is 12h.

Sunshine

The average sunshine in Boise is 7.8h.

UV index

The average daily maximum UV index in Boise is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In March, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in March 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?

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

How many days does it rain in March in Boise?

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

What is the rainiest month in Boise?

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.

How many days does it snow in March in Boise?

In March, it is snowing for 3.1 days. Throughout March, 1.5" (38mm) of snow is accumulated.

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

In Boise, Idaho, the average length of the day in March is 12h.

How many hours of sunshine does Boise have in March?

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

How high is the UV index in March in Boise?

In March, the average daily maximum UV index in Boise, Idaho, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

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).

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Average pressure in March
Boise, ID

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

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

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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).

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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%).

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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").

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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).

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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").
Months with the least snowfall are May, June, July, August, September and October (0").

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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).
Months with the least snowfall days are June, July, August and September (0 days).

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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

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in March: 7.8h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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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).

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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).
Months with the lowest UV index are January, February, November and December (UV index 2).

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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).

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Average visibility in March
Boise, ID

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

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).

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