April weather forecastHilliard, WY
April
Weather in April
April is a frosty spring month in Hilliard, Wyoming, with an average temperature varying between 44.6°F (7°C) and 27.3°F (-2.6°C).Temperature
April witnesses an increase in the average high-temperature, moving from a wintry 35.4°F (1.9°C) in March to a chilly 44.6°F (7°C). Throughout April, Hilliard records an average temperature of 27.3°F (-2.6°C) at night.Humidity
The average relative humidity in April is 70%.Rainfall
The wettest months are April and May, with an average 1.38" (35mm) of rainfall.Snowfall
Months with snowfall are January through June, September through December. In April, it is snowing for 12.7 days. Throughout April, 8.03" (204mm) of snow is accumulated. In Hilliard, Wyoming, during the entire year, snow falls for 99.3 days and aggregates up to 56.22" (1428mm) of snow.Daylight
In Hilliard, Wyoming, the average length of the day in April is 13h and 21min.On the first day of April, sunrise is at 7:04 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:19 pm MDT.
Sunshine
In April, the average sunshine in Hilliard is 9.8h.UV index
In April, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during April translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hilliard, WY
- Average high temperature in April: 44.6°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in April: 27.3°F
The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in April
Hilliard, WY
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Hilliard, WY
- Average wind speed in April: 8.2mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in April
Hilliard, WY
- Average humidity in April: 70%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).
Average rainfall in April
Hilliard, WY
- Average rainfall in April: 1.38"
The wettest months (with the highest rainfall) are April and May (1.38").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in April
Hilliard, WY
- Average rainfall days in April: 10.3 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in April
Hilliard, WY
- Average snowfall in April: 8.03"
The month with the highest snowfall is March (10").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Hilliard, WY
- Average snowfall days in April: 12.7 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Hilliard, 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: 9h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in April
Hilliard, WY
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is June (19.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in April
Hilliard, WY
- Average UV index in April: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in April
Hilliard, WY
- Average cloud cover in April: 33
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in April
Hilliard, WY
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
