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
As March transitions into April, a subtle temperature shift is observed, with average highs adjusting from a wintry 39°F (3.9°C) to a chilly 47.8°F (8.8°C). Sinclair, during the month of April, experiences an average low-temperature of 30.6°F (-0.8°C).Humidity
In Sinclair, 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. The month with the most snowfall is April, when snow falls for 8.9 days and typically aggregates up to 5.75" (146mm) of snow.Daylight
The average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:34 pm. On the last day of April, sunrise is at 6:04 am and sunset at 8:06 pm MDT.
Sunshine
In April, the average sunshine is 10.1h.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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During April, 2 as the daily maximum UV index converts into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Sinclair in April?
What is the average humidity in April?
What is the rainiest month?
How much does it rain in Sinclair in April?
What is the snowiest month?
How many days does it snow in April?
How many hours of daylight does Sinclair have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Sinclair have in April?
What is the month with the lowest UV index in Sinclair?
What is the UV index intensity in April?
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 2min
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 1min
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).
Sinclair, Wyoming, USA
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