March weather forecast and climate
Nampa, ID

Weather in March

March, the first month of the spring, in Nampa, is a cool month, with average temperature fluctuating between 37.2°F (2.9°C) and 52.7°F (11.5°C).

Temperature

In Nampa, the average high-temperature in March rises, from a chilly 43.3°F (6.3°C) in February, to a fresh 52.7°F (11.5°C). The average low-temperature, in Nampa, is 37.2°F (2.9°C).

Humidity

In March, the average relative humidity is 61%.

Rainfall

March is the month with the most rainfall in Nampa. Rain falls for 14.3 days and accumulates 1.46" (37mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Nampa, Idaho, in March, snow falls for 1.7 days, with typically accumulated 0.67" (17mm) of snow. Throughout the year, in Nampa, Idaho, there are 22.5 snowfall days, and 10.55" (268mm) of snow is accumulated.

Daylight

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

Sunshine

In Nampa, the average sunshine is 8h.

UV index

In Nampa, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in March interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 average humidity in March in Nampa?

The average relative humidity in March in Nampa is 61%.

What is the rainiest month in Nampa?

March is the month with the most rainfall in Nampa. Rain falls for 14.3 days and accumulates 1.46" (37mm) of precipitation.

How much does it rain in Nampa in March?

In Nampa, Idaho, in March, it is raining for 14.3 days, with typically 1.46" (37mm) of accumulated precipitation.

How many days does it snow in March in Nampa?

In March, in Nampa, it is snowing for 1.7 days. Throughout March, 0.67" (17mm) of snow is accumulated.

How many hours of daylight does Nampa have in March?

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

How many hours of sunshine does Nampa have in March?

The average sunshine in March is 8h.

What is the UV index intensity in March in Nampa?

In March, the average daily maximum UV index in Nampa, Idaho, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in March
Nampa, ID

Average temperature in March - Nampa, ID
  • Average high temperature in March: 52.7°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in March: 37.2°F

The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).

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Average pressure in March
Nampa, ID

Average pressure in March - Nampa, 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
Nampa, ID

Average wind speed in March - Nampa, ID
  • Average wind speed in March: 7.8mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).

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Average humidity in March
Nampa, ID

Average humidity in March - Nampa, ID
  • Average humidity in March: 61%

The month with the highest relative humidity is January (78%).
Months with the lowest relative humidity are July and August (29%).

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Average rainfall in March
Nampa, ID

Average rainfall in March - Nampa, ID
  • Average rainfall in March: 1.46"

The wettest month (with the highest rainfall) is March (1.46").
The driest months (with the least rainfall) are July and August (0.12").

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Average rainfall days in March
Nampa, ID

Average rainfall days in March - Nampa, ID
  • Average rainfall days in March: 14.3 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (3.1 days).

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Average snowfall in March
Nampa, ID

Average snowfall in March - Nampa, ID
  • Average snowfall in March: 0.67"

The month with the highest snowfall is January (3.23").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in March
Nampa, ID

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

The month with the highest number of snowfall days is December (6.6 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in March /
Average sunshine in March
Nampa, ID

Average daylight in March / Average sunshine in March - Nampa, 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: 8h

The month with the most sunshine is July (Average sunshine: 12h).
Months with the least sunshine are January and December (Average sunshine: 5.8).

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Average sunshine days in March
Nampa, ID

Average sunshine days in March - Nampa, ID
  • Average sunshine days in March: 14 days

The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (14 days).

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Average UV index in March
Nampa, ID

Average UV index in March - Nampa, 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
Nampa, ID

Average cloud cover in March - Nampa, ID
  • Average cloud cover in March: 36

Months with the most cloud cover are January and December (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in March
Nampa, ID

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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