April weather forecast
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

Weather in April

April in Jackson, Wyoming, is a cold spring month, with an average temperature ranging between min 20.3°F (-6.5°C) and max 37.8°F (3.2°C).

Temperature

In April, the average high-temperature marginally rises from a freezing cold 30.6°F (-0.8°C) in March to a cold 37.8°F (3.2°C). In April, the average low-temperature is 20.3°F (-6.5°C).

Humidity

The average relative humidity in April in Jackson is 87%.

Rainfall

In Jackson, Wyoming, in April, it is raining for 9.1 days, with typically 2.95" (75mm) of accumulated precipitation. In Jackson, during the entire year, the rain falls for 103 days and collects up to 29.84" (758mm) of precipitation.

Snowfall

January through December are months with snowfall. In Jackson, during April, snow falls for 23.5 days and regularly aggregates up to 21.22" (539mm) of snow. In Jackson, Wyoming, during the entire year, snow falls for 173.6 days and aggregates up to 181.26" (4604mm) of snow.

Daylight

In Jackson, the average length of the day in April is 13h and 28min.
On the first day of the month, sunrise is at 7:03 am and sunset at 7:49 pm. On the last day of April, sunrise is at 6:16 am and sunset at 8:23 pm MDT.

Sunshine

In Jackson, Wyoming, the average sunshine in April is 7.1h.

UV index

The months with the lowest UV index in Jackson are January through April, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 1 in April interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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.
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FAQ

What is the average humidity in April in Jackson?

In Jackson, the average relative humidity in April is 87%.

How much does it rain in Jackson in April?

In Jackson, Wyoming, in April, it is raining for 9.1 days, with typically 2.95" (75mm) of accumulated precipitation.

How many days does it snow in April in Jackson?

In April, it is snowing for 23.5 days. Throughout April, 21.22" (539mm) of snow is accumulated.

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

The average day length in April in Jackson is 13h and 28min.

What time are sunrise and sunset in April in Jackson?

In April, on the first day of the month, sunrise is at 7:03 am and sunset at 7:49 pm. On the last day of the month, in Jackson, sunrise is at 6:16 am and sunset at 8:23 pm MDT.

How long on average sun shines in April in Jackson?

The average sunshine duration in April in Jackson, Wyoming, is 7.1h.

When is the lowest UV index in Jackson?

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in April in Jackson?

In Jackson, Wyoming, the average daily maximum UV index in April is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Jackson, WY

Average temperature in April - Jackson, WY
  • Average high temperature in April: 37.8°F

The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is December (21.9°F).

  • Average low temperature in April: 20.3°F

The month with the highest average low temperature is July (43.5°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

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Average pressure in April
Jackson, WY

Average pressure in April - Jackson, WY
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Jackson, WY

Average wind speed in April - Jackson, WY
  • Average wind speed in April: 4.9mph

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).

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Average humidity in April
Jackson, WY

Average humidity in April - Jackson, WY
  • Average humidity in April: 87%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in April
Jackson, WY

Average rainfall in April - Jackson, WY
  • Average rainfall in April: 2.95"

The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is August (1.34").

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Average rainfall days in April
Jackson, WY

Average rainfall days in April - Jackson, WY
  • Average rainfall days in April: 9.1 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall in April
Jackson, WY

Average snowfall in April - Jackson, WY
  • Average snowfall in April: 21.22"

The month with the highest snowfall is February (29.33").
The month with the least snowfall is August (0.12").

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Average snowfall days in April
Jackson, WY

Average snowfall days in April - Jackson, WY
  • Average snowfall days in April: 23.5 days

The month with the highest number of snowfall days is March (24.8 days).
The month with the least snowfall days is July (0.4 days).

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

Average daylight in April / Average sunshine in April - Jackson, WY
  • Average daylight in April: 13h and 28min

The month with the longest days is June (Average daylight: 15h and 22min).
The month with the shortest days is December (Average daylight: 9h and 1min).

  • Average sunshine in April: 7h and 6min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

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Average sunshine days in April
Jackson, WY

Average sunshine days in April - Jackson, WY
  • Average sunshine days in April: 3.8 days

The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is April (3.8 days).

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Average UV index in April
Jackson, WY

Average UV index in April - Jackson, WY
  • Average UV index in April: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

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Average cloud cover in April
Jackson, WY

Average cloud cover in April - Jackson, WY
  • Average cloud cover in April: 54

The month with the most cloud cover is February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 16).

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Average visibility in April
Jackson, WY

Average visibility in April - Jackson, WY
  • Average visibility in April: 4mi

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March and December (3mi).

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