April weather forecast
Mills, WY

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Weather in April

April sets the stage for more definitive signs of spring, with the weather in Mills becoming noticeably warmer. Average temperatures hover around the cusp of the freezing mark, promoting the rapid decay of the winter snow cover. However, the city receives an additional 4.02" (102mm) of snow highlighting the unpredictable nature of this month. Days grow increasingly longer and the sun shines more frequently, bringing a radiant element to the city. As the landscape gradually awakens, April vibrantly encapsulates the beauty of spring.

Temperature

As April begins, there's a slight increase in the average high-temperature, moving from a frosty 43°F (6.1°C) in March to a fresh 50.7°F (10.4°C). Mills's average low-temperature is measured at an icy 32°F (0°C) during April.

Humidity

In Mills, the average relative humidity in April is 61%.

Rainfall

In Mills, in April, it is raining for 11.7 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 91.6 rainfall days, and 9.69" (246mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Mills, during April, snow falls for 7.3 days and regularly aggregates up to 4.02" (102mm) of snow. In Mills, Wyoming, during the entire year, snow falls for 61.5 days and aggregates up to 32.13" (816mm) of snow.

Daylight

In Mills, the average length of the day in April is 13h and 26min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:32 pm. On the last day of April, sunrise is at 5:59 am and sunset at 8:05 pm MDT.

Sunshine

In April, the average sunshine is 10h.

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 value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In April, a regular UV index of 2 translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

The average high-temperature, in April, in Mills, is 50.7°F (10.4°C), while the average low-temperature is 32°F (0°C).

What is the average humidity in April?

In Mills, the average relative humidity in April is 61%.

How much does it rain in Mills in April?

In April, the rain falls for 11.7 days. Throughout April, 1.22" (31mm) of precipitation is accumulated.

How many days does it snow in April?

In April, it is snowing for 7.3 days. Throughout April, 4.02" (102mm) of snow is accumulated.

How many hours of daylight does Mills have in April?

In April, the average day length is 13h and 26min.

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:45 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:05 pm MDT.

How long on average sun shines in April?

In April, the average sunshine duration is 10h.

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.

What is the UV index intensity in April?

In Mills, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
Mills, WY

Average temperature in April - Mills, WY
  • Average high temperature in April: 50.7°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in April: 32°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).

Average pressure in April
Mills, WY

Average pressure in April - Mills, WY
  • Average pressure in April: 29.9"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in April
Mills, WY

Average wind speed in April - Mills, WY
  • Average wind speed in April: 10.9mph

The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

Average humidity in April
Mills, WY

Average humidity in April - Mills, WY
  • Average humidity in April: 61%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (37%).

Average rainfall in April
Mills, WY

Average rainfall in April - Mills, WY
  • Average rainfall in April: 1.22"

The wettest month (with the highest rainfall) is May (1.77").
The driest months (with the least rainfall) are January, August and September (0.43").

Average rainfall days in April
Mills, WY

Average rainfall days in April - Mills, WY
  • Average rainfall days in April: 11.7 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is January (3.6 days).

Average snowfall in April
Mills, WY

Average snowfall in April - Mills, WY
  • Average snowfall in April: 4.02"

The month with the highest snowfall is November (5.47").
The months with the least snowfall are June, July and August (0").

Average snowfall days in April
Mills, WY

Average snowfall days in April - Mills, WY
  • Average snowfall days in April: 7.3 days

The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in April / Average sunshine in April - Mills, WY
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in April: 10h and 0min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

Average sunshine days in April
Mills, WY

Average sunshine days in April - Mills, WY
  • Average sunshine days in April: 12.1 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in April
Mills, WY

Average UV index in April - Mills, WY
  • Average UV index in April: 2

The months with the highest UV index are June, July and August (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
Mills, WY

Average cloud cover in April - Mills, WY
  • Average cloud cover in April: 33

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in April
Mills, WY

Average visibility in April - Mills, WY
  • Average visibility in April: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Mills, Wyoming, USA

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