April weather forecast
Reliance, WY

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Weather in April

April is a chilly spring month in Reliance, Wyoming, with an average temperature varying between 48.7°F (9.3°C) and 31.5°F (-0.3°C).

Temperature

As Reliance transitions into April, the average high-temperature is observed to rise from a cold 39.7°F (4.3°C) in March to a frosty 48.7°F (9.3°C). Throughout April nights, Reliance experiences a consistent temperature average of 31.5°F (-0.3°C).

Humidity

The average relative humidity in April is 59%.

Rainfall

In Reliance, during April, the rain falls for 11.4 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 93.5 rainfall days, and 10.31" (262mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In April, it is snowing for 7.8 days. Throughout April, 4.49" (114mm) of snow is accumulated. Throughout the year, there are 75.5 snowfall days, and 30.16" (766mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 22min.
On the first day of April, sunrise is at 6:58 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:14 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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during April leads to these instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

The high-temperature during April is 48.7°F (9.3°C) and the low-temperature is 31.5°F (-0.3°C).

What is the average humidity in April?

In Reliance, the average relative humidity in April is 59%.

How many days does it rain in April?

In Reliance, in April, it is raining for 11.4 days, with typically 1.42" (36mm) of accumulated precipitation.

How much does it snow in April?

In Reliance, in April, snow falls for 7.8 days, with typically accumulated 4.49" (114mm) of snow.

How many hours of daylight does Reliance have in April?

In Reliance, the average day length in April is 13h and 22min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:58 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:14 pm MDT.

How long on average sun shines in April?

In April, the average sunshine duration is 10.1h.

What are the months with the lowest UV index?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in April?

In Reliance, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Reliance, WY

Average temperature in April - Reliance, WY
  • Average high temperature in April: 48.7°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in April: 31.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in April
Reliance, WY

Average pressure in April - Reliance, 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 (29.89"Hg).

Average wind speed in April
Reliance, WY

Average wind speed in April - Reliance, WY
  • Average wind speed in April: 12.2mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

Average humidity in April
Reliance, WY

Average humidity in April - Reliance, WY
  • Average humidity in April: 59%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).

Average rainfall in April
Reliance, WY

Average rainfall in April - Reliance, WY
  • Average rainfall in April: 1.42"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in April
Reliance, WY

Average rainfall days in April - Reliance, WY
  • Average rainfall days in April: 11.4 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.7 days).

Average snowfall in April
Reliance, WY

Average snowfall in April - Reliance, WY
  • Average snowfall in April: 4.49"

The month with the highest snowfall is March (6.14").
The months with the least snowfall are July and August (0").

Average snowfall days in April
Reliance, WY

Average snowfall days in April - Reliance, WY
  • Average snowfall days in April: 7.8 days

The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in April /
Average sunshine in April
Reliance, WY

Average daylight in April / Average sunshine in April - Reliance, 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 months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).

Average sunshine days in April
Reliance, WY

Average sunshine days in April - Reliance, WY
  • Average sunshine days in April: 11.5 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.5 days).

Average UV index in April
Reliance, WY

Average UV index in April - Reliance, 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
Reliance, WY

Average cloud cover in April - Reliance, WY
  • Average cloud cover in April: 32

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in April
Reliance, WY

Average visibility in April - Reliance, 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).

Reliance, Wyoming, USA

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