Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April introduces a minor temperature shift, with average high-temperatures adjusting from March's wintry 37.2°F (2.9°C) to a chilly 45.9°F (7.7°C). During the month of April, an average low-temperature of 29.3°F (-1.5°C) is recorded in Lyman.Humidity
The average relative humidity in April is 64%.Rainfall
In April, the rain falls for 12.1 days. Throughout April, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 112.2 rainfall days, and 11.57" (294mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Lyman, in April, during 10.9 snowfall days, 6.97" (177mm) of snow is typically accumulated. In Lyman, Wyoming, during the entire year, snow falls for 85.7 days and aggregates up to 41.18" (1046mm) of snow.Daylight
The average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:46 pm. On the last day of April, in Lyman, sunrise is at 6:18 am and sunset at 8:18 pm MDT.
Sunshine
In April, the average sunshine in Lyman is 10.3h.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in April transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Lyman in April?
What is the average humidity in April in Lyman?
How many days does it rain in April in Lyman?
How many days does it snow in April in Lyman?
What is the average length of the day in April in Lyman?
When is the sunrise / sunset in April in Lyman?
How long on average sun shines in April in Lyman?
What are the months with the lowest UV index in Lyman?
What is the UV index intensity in April in Lyman?
Average temperature in April
Lyman, WY
- Average high temperature in April: 45.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in April: 29.3°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in April
Lyman, WY
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Lyman, WY
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in April
Lyman, WY
- Average humidity in April: 64%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in April
Lyman, WY
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in April
Lyman, WY
- Average rainfall days in April: 12.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).
Average snowfall in April
Lyman, WY
- Average snowfall in April: 6.97"
The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Lyman, WY
- Average snowfall days in April: 10.9 days
The month with the highest number of snowfall days is March (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Lyman, WY
- Average daylight in April: 13h and 2min
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 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in April
Lyman, WY
- Average sunshine days in April: 9.4 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).
Average UV index in April
Lyman, 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 January, February, March, April, October, November and December (UV index 2).
Average cloud cover in April
Lyman, WY
- Average cloud cover in April: 30
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in April
Lyman, WY
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Lyman, Wyoming, USA
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