April weather forecastStory, WY
April
Weather in April
April is a chilly spring month in Story, Wyoming, with an average temperature ranging between min 30.4°F (-0.9°C) and max 47.1°F (8.4°C).Temperature
A minor escalation in the average high-temperature is seen with the onset of April, moving from a wintry 40.6°F (4.8°C) in March to a frosty 47.1°F (8.4°C). April is noted for a mean low-temperature of 30.4°F (-0.9°C).Humidity
The average relative humidity in April is 69%.Rainfall
In Story, during April, the rain falls for 17.6 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Story, during the entire year, the rain falls for 165.2 days and collects up to 21.22" (539mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is April, when snow falls for 8.6 days and typically aggregates up to 8.7" (221mm) of snow.Daylight
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 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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 2 transforms into these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 13h and 30min
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 42min
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: 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: 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: 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: 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).
