April weather forecast and climate
Jackson, WY

A calm and clear river and vast green fields approaching the iconic white mountains within the Grand Teton National Park in Jackson, Wyoming
A calm and clear river and vast green fields approaching the iconic white mountains within the Grand Teton National Park in Jackson, Wyoming
April in Jackson, Wyoming, is a cool spring month, with average temperature fluctuating between 52.9°F (11.6°C) and 24.4°F (-4.2°C).

Temperature

In April, the average high-temperature is 52.9°F (11.6°C), and the average low-temperature is 24.4°F (-4.2°C).

Rainfall

In Jackson, Wyoming, in April, during 7.6 rainfall days, 1.2" (30mm) of precipitation is typically accumulated. In Jackson, during the entire year, the rain falls for 108.5 days and collects up to 16.8" (426.2mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Jackson.

Daylight

In April, the average length of the day in Jackson is 13.5h.

Sunshine

The average sunshine in April is 9h.

UV index

In April, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for the ordinary person.
The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in April in Jackson?

The average high-temperature, in April, in Jackson, is 52.9°F (11.6°C), while the average low-temperature is 24.4°F (-4.2°C).

How many days does it rain in April in Jackson?

In Jackson, Wyoming, in April, during 7.6 rainfall days, 1.2" (30mm) of precipitation is typically accumulated.

How many days does it snow in April in Jackson?

In Jackson, in April, during 1.8 snowfall days, 2.8" (71.1mm) of snow is typically accumulated.

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

The average length of the day in April in Jackson, Wyoming, is 13.5h.

How long on average sun shines in April in Jackson?

The average sunshine in April in Jackson is 9h.

What is the UV index intensity in April in Jackson?

In Jackson, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in April - Jackson, WY
  • Average high temperature in April: 52.9°F

The warmest month (with the highest average high temperature) is July (81.9°F).
Months with the lowest average high temperature are January and December (28.2°F).

  • Average low temperature in April: 24.4°F

The month with the highest average low temperature is July (40.9°F).
The coldest month (with the lowest average low temperature) is January (5°F).

Average rainfall in April - Jackson, WY
  • Average rainfall in April: 1.2"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the lowest rainfall) is February (1.1").

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

The month with the highest number of rainy days is January (11.3 days).
The month with the lowest number of rainy days is July (7.5 days).

Average snowfall in April - Jackson, WY
  • Average snowfall in April: 2.8"

The month with the highest snowfall is December (18.6").
Months with the lowest snowfall are July and August (0").

Average snowfall days in April - Jackson, WY
  • Average snowfall days in April: 1.8 days

The month with the highest number of snowfall days is January (9.6 days).
Months with the lowest number of snowfall days are July, August and September (0 days).

Average daylight in April / Average sunshine in April - Jackson, WY
  • Average daylight in April: 13.5h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in April: 9h

Months with most sunshine are June and July (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in April - Jackson, WY
  • Average UV index in April: 6

The month with the highest UV index is July (UV index 10).
The month with the lowest UV index is December (UV index 1).

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