April weather forecastSaint Stephens, WY
April
Weather in April
April is a cool spring month in Saint Stephens, Wyoming, with an average temperature fluctuating between 35.2°F (1.8°C) and 54.1°F (12.3°C).Temperature
April marks a minor ascent in the average high-temperature, adjusting from March's chilly 46°F (7.8°C) to a fresh 54.1°F (12.3°C). Throughout the April nights, Saint Stephens encounters a low-temperature of 35.2°F (1.8°C).Humidity
In April, the average relative humidity is 53%.Rainfall
In Saint Stephens, in April, it is raining for 8.8 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, there are 67.3 rainfall days, and 6.93" (176mm) of precipitation is accumulated.Snowfall
Months with snowfall in Saint Stephens are January through May, September through December. The month with the most snowfall is April, when snow falls for 5.7 days and typically aggregates up to 5.39" (137mm) of snow.Daylight
In April, the average length of the day in Saint Stephens is 13h and 26min.On the first day of April, sunrise is at 6:54 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:14 pm MDT.
Sunshine
The average sunshine in April is 10.7h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Saint Stephens, WY
- Average high temperature in April: 54.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in April: 35.2°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in April
Saint Stephens, WY
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Saint Stephens, WY
- Average wind speed in April: 7.4mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in April
Saint Stephens, WY
- Average humidity in April: 53%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in April
Saint Stephens, WY
- Average rainfall in April: 1.14"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in April
Saint Stephens, WY
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is May (9.9 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in April
Saint Stephens, WY
- Average snowfall in April: 5.39"
The month with the highest snowfall is April (5.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Saint Stephens, WY
- Average snowfall days in April: 5.7 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Saint Stephens, WY
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 10h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in April
Saint Stephens, WY
- Average sunshine days in April: 15.5 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (15.5 days).
Average UV index in April
Saint Stephens, WY
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Saint Stephens, WY
- Average cloud cover in April: 28
The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in April
Saint Stephens, 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).





