March weather forecast and climate
Boise, ID

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

Temperature

In March, the average high-temperature increases, from a cold 39.9°F (4.4°C) in February, to a chilly 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 in March is 68%.

Rainfall

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

Snowfall

January through April, November and December are months with snowfall in Boise, Idaho. In Boise, during 3.1 snowfall days, 1.5" (38mm) of snow is typically accumulated. 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 12h.

Sunshine

In March, the average sunshine is 7.8h.

UV index

In Boise, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 3 in March transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

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

How many days does it rain in March in Boise?

In Boise, during March, the rain falls for 16.2 days and regularly aggregates up to 2.2" (56mm) of precipitation.

What is the wettest 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 many days does it snow in March in Boise?

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

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

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

How long on average sun shines in March in Boise?

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

What is the UV index reading in March in Boise?

In Boise, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in March - Boise, ID
  • Average high temperature in March: 9.4°C

The warmest month (with the highest average high temperature) is July (31°C).
The month with the lowest average high temperature is December (1.5°C).

  • Average low temperature in March: 1.3°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is December (-4.9°C).

Average pressure in March - Boise, ID
  • Average pressure in March: 1017.4mbar

The month with the highest atmospheric pressure is January (1024.4mbar).
The month with the lowest atmospheric pressure is June (1012.6mbar).

Average wind speed in March - Boise, ID
  • Average wind speed in March: 11.1km/h

The windiest month (with the highest average wind speed) is April (11.4km/h).
The calmest month (with the lowest average wind speed) is January (8.4km/h).

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: 56mm

The wettest month (with the highest rainfall) is March (56mm).
The driest month (with the least rainfall) is July (5mm).

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: 38mm

The month with the highest snowfall is December (169mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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).

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).

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: 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).

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: 10km

Months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The month with the lowest visibility is January (8km).