April weather forecastRiner, WY
April
Weather in April
April in Riner, Wyoming, is a frosty spring month, with an average temperature varying between 47.8°F (8.8°C) and 30.6°F (-0.8°C).Temperature
As April begins, there's a slight increase in the average high-temperature, moving from a wintry 39°F (3.9°C) in March to a chilly 47.8°F (8.8°C). In April, Riner reports a consistent average low-temperature of 30.6°F (-0.8°C) during the nights.Humidity
The average relative humidity in April is 61%.Rainfall
April is the month with the most rainfall. Rain falls for 9.7 days and accumulates 1.42" (36mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Riner. The month with the most snowfall in Riner is April, when snow falls for 8.9 days and typically aggregates up to 5.75" (146mm) of snow.Daylight
In April, the average length of the day is 13h and 22min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:36 pm. On the last day of April, sunrise is at 6:06 am and sunset at 8:07 pm MDT.
Sunshine
In Riner, the average sunshine in April is 10.1h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 2 in April transforms into the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Riner, WY
- Average high temperature in April: 47.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in April: 30.6°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in April
Riner, WY
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Riner, WY
- Average wind speed in April: 12.5mph
The windiest month (with the highest average wind speed) is November (13.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.5mph).
Average humidity in April
Riner, WY
- Average humidity in April: 61%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in April
Riner, WY
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in April
Riner, WY
- Average rainfall days in April: 9.7 days
The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in April
Riner, WY
- Average snowfall in April: 5.75"
The month with the highest snowfall is April (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Riner, WY
- Average snowfall days in April: 8.9 days
The month with the highest number of snowfall days is February (14.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Riner, WY
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 10h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in April
Riner, WY
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is June (21.1 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in April
Riner, 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
Riner, WY
- Average cloud cover in April: 33
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 13).
Average visibility in April
Riner, WY
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
