Boise
Idaho, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Boise, ID

The golden fall season in Boise, Idaho, with the tall city buildings
The golden fall season in Boise, Idaho, with the tall city buildings
March, the first month of the spring, in Boise, is a cool month, with average temperature varying between 34.3°F (1.3°C) and 54.7°F (12.6°C).

Temperature

In Boise, the average high-temperature increases, from a frosty 44.8°F (7.1°C) in February, to a cool 54.7°F (12.6°C). In March, the average low-temperature is 34.3°F (1.3°C).

Humidity

In March, the average relative humidity is 59.5%.

Rainfall

In Boise, Idaho, during March, the rain falls for 10 days and regularly aggregates up to 1.4" (35.3mm) of precipitation. Throughout the year, there are 87.6 rainfall days, and 11.7" (297.9mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Boise are January through April, October through December. In Boise, snow falls for 1.7 days, with typically accumulated 1.3" (33mm) of snow. In Boise, during the entire year, snow falls for 19.4 days, and aggregates up to 19.2" (487.5mm) of snow.

Daylight

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

Sunshine

In March, the average sunshine is 7.7h.

UV index

The average daily maximum UV index in Boise is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in March in Boise?

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).

What is the average humidity in March in Boise?

The average relative humidity in March in Boise is 59.5%.

How many days does it rain in March in Boise?

In Boise, 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.

How many hours of daylight does Boise have in March?

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

How long on average sun shines in March in Boise?

In Boise, the average sunshine in March is 7.7h.

What is the UV index intensity in March in Boise?

The average daily maximum UV index in March in Boise, Idaho, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in March - Boise, ID
  • Average high temperature in March: 54.6°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (37.5°F).

  • Average low temperature in March: 34.4°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (24°F).

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: 1.4"

The wettest month (with the highest rainfall) is December (1.6").
The driest month (with the lowest rainfall) is August (0.2").

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: 1.3"

The month with the highest snowfall is December (7").
Months with the lowest snowfall are May, June, July, August and September (0").

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).