April weather forecastSinclair, WY
April
Weather in April
April is a chilly spring month in Sinclair, Wyoming, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 30.6°F (-0.8°C).Temperature
Sinclair's weather in April presents a minor rise in the average high-temperature, moving from a cold 39°F (3.9°C) in March to a frosty 47.8°F (8.8°C). In Sinclair, an average nighttime temperature of 30.6°F (-0.8°C) is expected during April.Humidity
In April, the average relative humidity is 61%.Rainfall
The month with the most rainfall is April, when the rain falls for 9.7 days and typically aggregates up to 1.42" (36mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. April is the month with the most snowfall. Snow falls for 8.9 days and accumulates 5.75" (146mm) of snow.Daylight
In Sinclair, the average length of the day in April is 13h and 23min.On the first day of April, sunrise is at 6:49 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:06 pm MDT.
Sunshine
In April, the average sunshine 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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In April, a regular UV index of 2 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sinclair, 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
Sinclair, 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
Sinclair, 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
Sinclair, 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
Sinclair, 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
Sinclair, 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
Sinclair, 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
Sinclair, 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
Sinclair, 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
Sinclair, 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
Sinclair, 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
Sinclair, 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
Sinclair, 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).
