April weather forecastHillsdale, WY
April
Weather in April
April is a cool spring month in Hillsdale, Wyoming, with an average temperature varying between 53.8°F (12.1°C) and 34.5°F (1.4°C).Temperature
The transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a frosty 47.5°F (8.6°C) to a cool 53.8°F (12.1°C). Hillsdale's temperature tends to fall to an average low of 34.5°F (1.4°C) during the nights of April.Humidity
In Hillsdale, the average relative humidity in April is 55%.Rainfall
In Hillsdale, in April, during 14.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 116 rainfall days, and 14.57" (370mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hillsdale are January through May, October through December. In Hillsdale, in April, snow falls for 8.2 days, with typically accumulated 5.79" (147mm) of snow. In Hillsdale, during the entire year, snow falls for 62 days and aggregates up to 30.51" (775mm) of snow.Daylight
In April, the average length of the day is 13h and 21min.On the first day of April, sunrise is at 6:39 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:54 pm MDT.
Sunshine
In April, the average sunshine is 10.1h.UV index
In Hillsdale, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 3 in April transforms into this advice:
Take precautions - Protection against sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hillsdale, WY
- Average high temperature in April: 53.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in April: 34.5°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in April
Hillsdale, WY
- Average pressure in April: 29.9"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Hillsdale, WY
- Average wind speed in April: 12.4mph
The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in April
Hillsdale, WY
- Average humidity in April: 55%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (43%).
Average rainfall in April
Hillsdale, WY
- Average rainfall in April: 2.24"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Hillsdale, WY
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in April
Hillsdale, WY
- Average snowfall in April: 5.79"
The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Hillsdale, WY
- Average snowfall days in April: 8.2 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Hillsdale, WY
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 10h and 6min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in April
Hillsdale, WY
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in April
Hillsdale, WY
- Average UV index in April: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Hillsdale, WY
- Average cloud cover in April: 32
The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in April
Hillsdale, 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).
