April weather forecast
McKinnon, WY

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Weather in April

April in McKinnon, Wyoming, is a chilly spring month, with temperature in the range of an average low of 27.1°F (-2.7°C) and an average high of 43.2°F (6.2°C).

Temperature

April's arrival coincides with a subtle temperature rise, moving from March's cold 36.3°F (2.4°C) to a frosty 43.2°F (6.2°C). McKinnon records an average temperature drop to a freezing cold 27.1°F (-2.7°C) in April.

Humidity

In April, the average relative humidity in McKinnon is 65%.

Rainfall

In McKinnon, in April, during 7.6 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In McKinnon, during the entire year, the rain falls for 93.9 days and collects up to 14.17" (360mm) of precipitation.

Snowfall

Months with snowfall in McKinnon are January through June, September through December. In McKinnon, in April, during 11.1 snowfall days, 9.06" (230mm) of snow is typically accumulated. Throughout the year, in McKinnon, Wyoming, there are 84.4 snowfall days, and 56.22" (1428mm) of snow is accumulated.

Daylight

In McKinnon, the average length of the day in April is 13h and 20min.
On the first day of April, sunrise is at 7:01 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:15 pm MDT.

Sunshine

The average sunshine in April is 9.9h.

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 ordinary individuals.
Note: In April, the maximum 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. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is April cold in McKinnon?

In April, in McKinnon, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 27.1°F (-2.7°C).

What is the average humidity in April in McKinnon?

The average relative humidity in April in McKinnon is 65%.

How many days does it rain in April in McKinnon?

In April, in McKinnon, the rain falls for 7.6 days. Throughout April, 1.61" (41mm) of precipitation is accumulated.

How many days does it snow in April in McKinnon?

In April, in McKinnon, Wyoming, it is snowing for 11.1 days. Throughout April, 9.06" (230mm) of snow is accumulated.

How many hours of daylight does McKinnon have in April?

In McKinnon, Wyoming, the average day length in April is 13h and 20min.

What time are sunrise and sunset in April in McKinnon?

On the first day of April in McKinnon, sunrise is at 7:01 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:15 pm MDT.

How many hours of sunshine does McKinnon have in April?

The average sunshine duration in April is 9.9h.

When is the lowest UV index in McKinnon?

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

What is the UV index reading in April in McKinnon?

In McKinnon, the average daily maximum UV index in April is 2. A UV Index of 2, and less, symbolizes 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
McKinnon, WY

Average temperature in April - McKinnon, WY
  • Average high temperature in April: 43.2°F

The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is December (27°F).

  • Average low temperature in April: 27.1°F

The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is December (12.2°F).

Average pressure in April
McKinnon, WY

Average pressure in April - McKinnon, 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 (29.88"Hg).

Average wind speed in April
McKinnon, WY

Average wind speed in April - McKinnon, WY
  • Average wind speed in April: 9.4mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in April
McKinnon, WY

Average humidity in April - McKinnon, WY
  • Average humidity in April: 65%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July and August (40%).

Average rainfall in April
McKinnon, WY

Average rainfall in April - McKinnon, WY
  • Average rainfall in April: 1.61"

The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in April
McKinnon, WY

Average rainfall days in April - McKinnon, WY
  • Average rainfall days in April: 7.6 days

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is November (3 days).

Average snowfall in April
McKinnon, WY

Average snowfall in April - McKinnon, WY
  • Average snowfall in April: 9.06"

The month with the highest snowfall is March (9.57").
The months with the least snowfall are July and August (0").

Average snowfall days in April
McKinnon, WY

Average snowfall days in April - McKinnon, WY
  • Average snowfall days in April: 11.1 days

The month with the highest number of snowfall days is February (13.7 days).
The months with the least snowfall days are July and August (0 days).

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

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

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

  • Average sunshine in April: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).

Average sunshine days in April
McKinnon, WY

Average sunshine days in April - McKinnon, WY
  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in April
McKinnon, WY

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in April
McKinnon, WY

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

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 15).

Average visibility in April
McKinnon, WY

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

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).

McKinnon, Wyoming, USA

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