April weather forecast
Ralston, WY

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Weather in April

April in Ralston, Wyoming, is a cool spring month, with an average temperature varying between 34.3°F (1.3°C) and 52.3°F (11.3°C).

Temperature

The coming of April brings a minor shift in Ralston's weather, with average high-temperatures adjusting from March's chilly 43.9°F (6.6°C) to a fresh 52.3°F (11.3°C). Ralston records a steady low-temperature average of 34.3°F (1.3°C) during April.

Humidity

The average relative humidity in April in Ralston, Wyoming, is 55%.

Rainfall

In Ralston, in April, it is raining for 13.1 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, in Ralston, there are 105.7 rainfall days, and 8.19" (208mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Ralston, Wyoming, during April, snow falls for 5.3 days and regularly aggregates up to 2.2" (56mm) of snow. In Ralston, during the entire year, snow falls for 52.1 days and aggregates up to 16.97" (431mm) of snow.

Daylight

In April, the average length of the day is 13h and 31min.
On the first day of the month, sunrise is at 6:54 am and sunset at 7:43 pm. On the last day of April, in Ralston, sunrise is at 6:05 am and sunset at 8:19 pm MDT.

Sunshine

In Ralston, the average sunshine in April is 10.8h.

UV index

The average daily maximum UV index in April in Ralston is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the temperature in April in Ralston?

During April, Ralston experiences an average high-temperature of 52.3°F (11.3°C) and a low-temperature of 34.3°F (1.3°C).

What is the average humidity in April in Ralston?

The average relative humidity in April is 55%.

How much does it rain in Ralston in April?

In Ralston, in April, it is raining for 13.1 days, with typically 0.94" (24mm) of accumulated precipitation.

How many days does it snow in April in Ralston?

In Ralston, in April, snow falls for 5.3 days, with typically accumulated 2.2" (56mm) of snow.

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

In Ralston, the average day length in April is 13h and 31min.

What time are sunrise and sunset in April in Ralston?

On the first day of April in Ralston, Wyoming, sunrise is at 6:54 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:19 pm MDT.

How many hours of sunshine does Ralston have in April?

In April, the average sunshine duration is 10.8h.

What is the UV index reading in April in Ralston?

The average daily maximum UV index in April in Ralston, Wyoming, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe 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
Ralston, WY

Average temperature in April - Ralston, WY
  • Average high temperature in April: 52.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in April: 34.3°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (15.6°F).

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Average pressure in April
Ralston, WY

Average pressure in April - Ralston, WY
  • Average pressure in April: 29.94"Hg

The months with the highest atmospheric pressure are January and December (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in April
Ralston, WY

Average wind speed in April - Ralston, WY
  • Average wind speed in April: 8.3mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in April
Ralston, WY

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

The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (37%).

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Average rainfall in April
Ralston, WY

Average rainfall in April - Ralston, WY
  • Average rainfall in April: 0.94"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in April
Ralston, WY

Average rainfall days in April - Ralston, WY
  • Average rainfall days in April: 13.1 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is December (4.9 days).

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Average snowfall in April
Ralston, WY

Average snowfall in April - Ralston, WY
  • Average snowfall in April: 2.2"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are July and August (0").

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Average snowfall days in April
Ralston, WY

Average snowfall days in April - Ralston, WY
  • Average snowfall days in April: 5.3 days

The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in April / Average sunshine in April - Ralston, WY
  • Average daylight in April: 13h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in April: 10h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).

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Average sunshine days in April
Ralston, WY

Average sunshine days in April - Ralston, WY
  • Average sunshine days in April: 11.8 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in April
Ralston, WY

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in April
Ralston, WY

Average cloud cover in April - Ralston, WY
  • Average cloud cover in April: 29

The month with the most cloud cover is February (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 13).

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Average visibility in April
Ralston, WY

Average visibility in April - Ralston, 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).

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Ralston, Wyoming, USA

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