Cheyenne
Wyoming, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Cheyenne, WY

A sunny day in the front of the State Capitol building in Cheyenne, Wyoming
A sunny day in the front of the State Capitol building in Cheyenne, Wyoming
April is a cool spring month in Cheyenne, Wyoming, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 34.5°F (1.4°C).

Temperature

In Cheyenne, Wyoming, the average high-temperature marginally rises, from a chilly 47.5°F (8.6°C) in March, to a cool 53.8°F (12.1°C). In Cheyenne, in April, the average low-temperature is 34.5°F (1.4°C).

Humidity

In April, the average relative humidity is 55%.

Rainfall

In Cheyenne, in April, during 14.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Cheyenne, during the entire year, the rain falls for 116 days and collects up to 14.57" (370mm) of precipitation.

Snowfall

Months with snowfall in Cheyenne, Wyoming, are January through May, October through December. In Cheyenne, snow falls for 8.2 days, with typically accumulated 5.79" (147mm) of snow. In Cheyenne, during the entire year, snow falls for 62 days, and aggregates up to 30.51" (775mm) of snow.

Daylight

In April, the average length of the day in Cheyenne is 13.4h.

Sunshine

In April, the average sunshine is 10.1h.

UV index

In Cheyenne, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in April in Cheyenne?

In Cheyenne, in April, the average high-temperature is 53.8°F (12.1°C), and the average low-temperature is 34.5°F (1.4°C).

What is the average humidity in April in Cheyenne?

In Cheyenne, Wyoming, the average relative humidity in April is 55%.

How many days does it rain in April in Cheyenne?

In Cheyenne, Wyoming, in April, it is raining for 14.3 days, with typically 2.24" (57mm) of accumulated precipitation.

How many days does it snow in April in Cheyenne?

In Cheyenne, in April, snow falls for 8.2 days, with typically accumulated 5.79" (147mm) of snow.

What is the average length of the day in April in Cheyenne?

The average length of the day in April in Cheyenne, Wyoming, is 13.4h.

How long on average sun shines in April in Cheyenne?

In Cheyenne, Wyoming, the average sunshine in April is 10.1h.

How high is the UV index in April in Cheyenne?

In April, the average daily maximum UV index in Cheyenne, Wyoming, is 3. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in April - Cheyenne, WY
  • Average high temperature in April: 12.1°C

The warmest month (with the highest average high temperature) is July (28°C).
The month with the lowest average high temperature is December (1.5°C).

  • Average low temperature in April: 1.4°C

The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is December (-6.5°C).

Average humidity in April - Cheyenne, WY
  • Average humidity in April: 55%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (43%).

Average rainfall in April - Cheyenne, WY
  • Average rainfall in April: 57mm

The wettest month (with the highest rainfall) is May (75mm).
The driest month (with the lowest rainfall) is January (11mm).

Average rainfall days in April - Cheyenne, WY
  • Average rainfall days in April: 14.3 days

The month with the highest number of rainy days is May (17.5 days).
The month with the lowest number of rainy days is January (4.7 days).

Average snowfall in April - Cheyenne, WY
  • Average snowfall in April: 147mm

The month with the highest snowfall is March (154mm).
Months with the lowest snowfall are June, July, August and September (0mm).

Average snowfall days in April - Cheyenne, WY
  • Average snowfall days in April: 8.2 days

The month with the highest number of snowfall days is February (11.3 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight in April / Average sunshine in April - Cheyenne, WY
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in April: 10.1h

Months with most sunshine are July and August (Average sunshine: 11.6h).
The month with least sunshine is February (Average sunshine: 6.5h).

Average UV index in April - Cheyenne, WY
  • Average UV index in April: 3

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).