April weather forecast and climate
Fairfield, ID

Weather in April

April is a cool spring month in Fairfield, Idaho, with average temperature fluctuating between 32.4°F (0.2°C) and 50°F (10°C).

Temperature

In April, the average high-temperature rises, from a wintry 39.7°F (4.3°C) in March, to a fresh 50°F (10°C). In Fairfield, the average low-temperature is 32.4°F (0.2°C).

Humidity

In Fairfield, the average relative humidity in April is 61%.

Rainfall

In Fairfield, during April, the rain falls for 9.5 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Fairfield, during the entire year, the rain falls for 74.4 days and collects up to 8.03" (204mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Fairfield, snow falls for 2.5 days, with typically accumulated 0.98" (25mm) of snow. In Fairfield, Idaho, during the entire year, snow falls for 44.1 days, and aggregates up to 29.65" (753mm) of snow.

Daylight

The average length of the day in April is 13.5h.

Sunshine

In Fairfield, the average sunshine in April is 10h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
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. 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.
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FAQ

What is the average humidity in April in Fairfield?

In April, the average relative humidity is 61%.

How much does it rain in Fairfield in April?

In Fairfield, Idaho, in April, it is raining for 9.5 days, with typically 0.67" (17mm) of accumulated precipitation.

How many days does it snow in April in Fairfield?

In Fairfield, in April, snow falls for 2.5 days, with typically accumulated 0.98" (25mm) of snow.

How many hours of daylight does Fairfield have in April?

The average length of the day in April is 13.5h.

How long on average sun shines in April in Fairfield?

In April, the average sunshine in Fairfield is 10h.

What is the UV index reading in April in Fairfield?

In April, the average daily maximum UV index in Fairfield is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in April
Fairfield, ID

Average temperature in April - Fairfield, ID
  • Average high temperature in April: 50°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (27.9°F).

  • Average low temperature in April: 32.4°F

Months with the highest average low temperature are July and August (55.6°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure in April
Fairfield, ID

Average pressure in April - Fairfield, ID
  • Average pressure in April: 29.96"

The month with the highest atmospheric pressure is January (30.28").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in April
Fairfield, ID

Average wind speed in April - Fairfield, ID
  • Average wind speed in April: 7.6mph

The windiest months (with the highest average wind speed) are April and June (7.6mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

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Average humidity in April
Fairfield, ID

Average humidity in April - Fairfield, ID
  • Average humidity in April: 61%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (32%).

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Average rainfall in April
Fairfield, ID

Average rainfall in April - Fairfield, ID
  • Average rainfall in April: 0.67"

The wettest month (with the highest rainfall) is February (1.02").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in April
Fairfield, ID

Average rainfall days in April - Fairfield, ID
  • Average rainfall days in April: 9.5 days

The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (2.8 days).

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Average snowfall in April
Fairfield, ID

Average snowfall in April - Fairfield, ID
  • Average snowfall in April: 0.98"

The month with the highest snowfall is February (7.87").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in April
Fairfield, ID

Average snowfall days in April - Fairfield, ID
  • Average snowfall days in April: 2.5 days

The month with the highest number of snowfall days is December (10.5 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in April /
Average sunshine in April
Fairfield, ID

Average daylight in April / Average sunshine in April - Fairfield, ID
  • Average daylight in April: 13.5h

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 April: 10h

The month with the most sunshine is July (Average sunshine: 12h).
Months with the least sunshine are January and December (Average sunshine: 5.9).

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Average sunshine days in April
Fairfield, ID

Average sunshine days in April - Fairfield, ID
  • Average sunshine days in April: 17.8 days

The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is May (15.6 days).

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Average UV index in April
Fairfield, ID

Average UV index in April - Fairfield, ID
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in April
Fairfield, ID

Average cloud cover in April - Fairfield, ID
  • Average cloud cover in April: 27

The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in April
Fairfield, ID

Average visibility in April - Fairfield, ID
  • Average visibility in April: 6mi

Months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February and December (5mi).

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