Sun Valley
Idaho, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Sun Valley, ID

The iconic Sun Valley, Idaho, in a stunning hilly landscape on either side located within the famous White Cloud Wilderness, white clouds above
The iconic Sun Valley, Idaho, in a stunning hilly landscape on either side located within the famous White Cloud Wilderness, white clouds above
March, the first month of the spring, in Sun Valley, is also a wintry month, with average temperature varying between 40.3°F (4.6°C) and 9.5°F (-12.5°C).

Temperature

In March, the average high-temperature is essentially the same as in February - a still cold 40.3°F (4.6°C). In Sun Valley, the average low-temperature is 9.5°F (-12.5°C).

Rainfall

In March, the rain falls for 13 days. Throughout March, 1.2" (29.7mm) of precipitation is accumulated. In Sun Valley, during the entire year, the rain falls for 122 days and collects up to 17.2" (438.1mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December.

Daylight

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

Sunshine

The average sunshine in March is 7h.

UV index

In March, the average daily maximum UV index in Sun Valley is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
The average daily UV index of 4 in March transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Sun Valley?

In Sun Valley, Idaho, in March, the average high-temperature is 40.3°F (4.6°C), and the average low-temperature is 9.5°F (-12.5°C).

How much does it rain in Sun Valley in March?

In Sun Valley, during March, the rain falls for 13 days and regularly aggregates up to 1.2" (29.7mm) of precipitation.

How much does it snow in Sun Valley in March?

In Sun Valley, Idaho, in March, 13.8" (350.5mm) of snow is typically accumulated.

What is the average length of the day in March in Sun Valley?

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

How many hours of sunshine does Sun Valley have in March?

In Sun Valley, Idaho, the average sunshine in March is 7h.

What is the UV index reading in March in Sun Valley?

In Sun Valley, the average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in March - Sun Valley, ID
  • Average high temperature in March: 40.2°F

The warmest month (with the highest average high temperature) is July (82.5°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in March: 9.5°F

The month with the highest average low temperature is July (38.3°F).
The coldest month (with the lowest average low temperature) is January (0.3°F).

Average rainfall in March - Sun Valley, ID
  • Average rainfall in March: 1.2"

Wettest months (with the highest rainfall) are January and December (2.6").
The driest month (with the lowest rainfall) is July (0.7").

Average rainfall days in March - Sun Valley, ID
  • Average rainfall days in March: 13 days

Months with the highest number of rainy days are January, March and December (13 days).
Months with the lowest number of rainy days are July and October (7 days).

Average snowfall in March - Sun Valley, ID
  • Average snowfall in March: 13.8"

The month with the highest snowfall is January (36").
Months with the lowest snowfall are June, July and August (0").

Average daylight in March / Average sunshine in March - Sun Valley, 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: 7h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January, November and December (Average sunshine: 4).

Average UV index in March - Sun Valley, ID
  • Average UV index in March: 4

The month with the highest UV index is July (UV index 10).
The month with the lowest UV index is December (UV index 1).