April weather forecastRalston, WY
April
Weather in April
April is a cool spring month in Ralston, Wyoming, with an average temperature fluctuating between 34.3°F (1.3°C) and 52.3°F (11.3°C).Temperature
With the onset of April, Ralston observes a minor temperature ascent, with the average high-temperature adjusting from March's frosty 43.9°F (6.6°C) to a cool 52.3°F (11.3°C). Ralston, in April, experiences an average temperature of 34.3°F (1.3°C) at night.Humidity
In April, the average relative humidity is 55%.Rainfall
In April, the rain falls for 13.1 days. Throughout April, 0.94" (24mm) of precipitation is accumulated. In Ralston, during the entire year, the rain falls for 105.7 days and collects up to 8.19" (208mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Ralston, 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 April, 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.
Sunshine
In April, the average sunshine is 10.8h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Be vigilant - Preventing sunburn is recommended. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in April /
Average sunshine in April
Ralston, WY
- Average daylight in April: 13h and 30min
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 48min
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).
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).
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).
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).
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).
