March weather forecast and climate
Boise, ID

The golden fall season in Boise, Idaho, with the tall city buildings in view
The golden fall season in Boise, Idaho, with the tall city buildings in view

What is the temperature in March in Boise?

In March, the average high-temperature is 54.7°F (12.6°C), and the average low-temperature is 34.3°F (1.3°C).

How many days does it rain in March in Boise?

In Boise, Idaho, during March, the rain falls for 10 days and regularly aggregates up to 1.4" (35.3mm) of precipitation.

How many days does it snow in March in Boise?

In Boise, in March, snow falls for 1.7 days, with typically accumulated 1.3" (33mm) of snow.
Average temperature in March - Boise, ID
  • Average high temperature in March: 12.6°C

The warmest month (with the highest average high temperature) is July (32.9°C).
The month with the lowest average high temperature is December (3.1°C).

  • Average low temperature in March: 1.3°C

The month with the highest average low temperature is July (15.8°C).
The coldest month (with the lowest average low temperature) is December (-4.4°C).

Average humidity in March - Boise, ID
  • Average humidity in March: 59.5%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (36.1%).

Average rainfall in March - Boise, ID
  • Average rainfall in March: 35.3mm

The wettest month (with the highest rainfall) is December (39.4mm).
The driest month (with the lowest rainfall) is August (6.1mm).

Average rainfall days in March - Boise, ID
  • Average rainfall days in March: 10 days

The month with the highest number of rainy days is December (11.8 days).
The month with the lowest number of rainy days is August (2.4 days).

Average snowfall in March - Boise, ID
  • Average snowfall in March: 33mm

The month with the highest snowfall is December (177.8mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in March - Boise, ID
  • Average snowfall days in March: 1.7 days

The month with the highest number of snowfall days is December (6 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

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 shortest days is December (Average daylight: 9h).

  • Average sunshine in March: 7.7h

The month with most sunshine is July (Average sunshine: 12.9h).
The month with least sunshine is December (Average sunshine: 3.4h).

Average UV index in March - Boise, ID
  • Average UV index in March: 4

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).

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