April weather forecast
Story, WY

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Weather in April

April in Story, Wyoming, is a frosty spring month, with an average temperature ranging between min 30.4°F (-0.9°C) and max 47.1°F (8.4°C).

Temperature

April brings a slight rise in Story's average high-temperature, moving from an icy 40.6°F (4.8°C) in March to a frosty 47.1°F (8.4°C). During the month of April, an average temperature of 30.4°F (-0.9°C) is noted during the nights.

Humidity

In Story, the average relative humidity in April is 69%.

Rainfall

In April, the rain falls for 17.6 days. Throughout April, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 165.2 rainfall days, and 21.22" (539mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. The month with the most snowfall in Story is April, when snow falls for 8.6 days and typically aggregates up to 8.7" (221mm) of snow.

Daylight

In Story, the average length of the day in April is 13h and 31min.
On the first day of April, sunrise is at 6:46 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:11 pm MDT.

Sunshine

The average sunshine in April in Story is 9.7h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 during April leads to these advisories:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

What is the temperature in April in Story?

In April, in Story, the average high-temperature is 47.1°F (8.4°C), and the average low-temperature is 30.4°F (-0.9°C).

What is the average humidity in April?

The average relative humidity in April is 69%.

How many days does it rain in April?

In Story, in April, during 17.6 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When does it snow the most in Story?

April is the month with the most snowfall. Snow falls for 8.6 days and accumulates 8.7" (221mm) of snow.

How many days does it snow in April?

In April, it is snowing for 8.6 days. Throughout April, 8.7" (221mm) of snow is accumulated.

How many hours of daylight does Story have in April?

The average day length in April in Story is 13h and 31min.

When is the sunrise / sunset in April?

On the first day of April, sunrise is at 6:46 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:11 pm MDT.

How long on average sun shines in April?

In Story, the average sunshine duration in April is 9.7h.

When is the lowest UV index?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in April?

The average daily maximum UV index in April is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Story, WY

Average temperature in April - Story, WY
  • Average high temperature in April: 47.1°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (29.1°F).

  • Average low temperature in April: 30.4°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

Average pressure in April
Story, WY

Average pressure in April - Story, WY
  • Average pressure in April: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in April
Story, WY

Average wind speed in April - Story, WY
  • Average wind speed in April: 7.6mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in April
Story, WY

Average humidity in April - Story, WY
  • Average humidity in April: 69%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (46%).

Average rainfall in April
Story, WY

Average rainfall in April - Story, WY
  • Average rainfall in April: 2.72"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (0.75").

Average rainfall days in April
Story, WY

Average rainfall days in April - Story, WY
  • Average rainfall days in April: 17.6 days

The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in April
Story, WY

Average snowfall in April - Story, WY
  • Average snowfall in April: 8.7"

The month with the highest snowfall is April (8.7").
The months with the least snowfall are June, July and August (0").

Average snowfall days in April
Story, WY

Average snowfall days in April - Story, WY
  • Average snowfall days in April: 8.6 days

The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in April /
Average sunshine in April
Story, WY

Average daylight in April / Average sunshine in April - Story, WY
  • Average daylight in April: 13h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in April: 9h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

Average sunshine days in April
Story, WY

Average sunshine days in April - Story, WY
  • Average sunshine days in April: 6.8 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is May (5.8 days).

Average UV index in April
Story, WY

Average UV index in April - Story, WY
  • Average UV index in April: 2

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

Average cloud cover in April
Story, WY

Average cloud cover in April - Story, WY
  • Average cloud cover in April: 37

The months with the most cloud cover are February and April (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in April
Story, WY

Average visibility in April - Story, WY
  • Average visibility in April: 6mi

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

Story, Wyoming, USA

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