April weather forecastRobertson, WY
April
Weather in April
April is a frosty spring month in Robertson, Wyoming, with an average temperature ranging between max 45.9°F (7.7°C) and min 29.3°F (-1.5°C).Temperature
The commencement of April sees a minor shift in the average high-temperature, moving from an icy 37.2°F (2.9°C) in March to a chilly 45.9°F (7.7°C). Nighttime temperature dips to a mean of 29.3°F (-1.5°C) during April.Humidity
In Robertson, the average relative humidity in April is 64%.Rainfall
In Robertson, during April, the rain falls for 12.1 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 112.2 rainfall days, and 11.57" (294mm) of precipitation is accumulated.Snowfall
Months with snowfall in Robertson are January through June, September through December. In Robertson, during April, snow falls for 10.9 days and regularly aggregates up to 6.97" (177mm) of snow. In Robertson, during the entire year, snow falls for 85.7 days and aggregates up to 41.18" (1046mm) of snow.Daylight
In April, the average length of the day in Robertson is 13h and 21min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:47 pm. On the last day of April, sunrise is at 6:19 am and sunset at 8:18 pm MDT.
Sunshine
The average sunshine in April is 10.3h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In April, a regular UV index of 2 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Warning! The reflection from snow can nearly 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
Robertson, WY
- Average high temperature in April: 45.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in April: 29.3°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in April
Robertson, WY
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Robertson, WY
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in April
Robertson, WY
- Average humidity in April: 64%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in April
Robertson, WY
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in April
Robertson, WY
- Average rainfall days in April: 12.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).
Average snowfall in April
Robertson, WY
- Average snowfall in April: 6.97"
The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Robertson, WY
- Average snowfall days in April: 10.9 days
The month with the highest number of snowfall days is March (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Robertson, WY
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 10h and 18min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in April
Robertson, WY
- Average sunshine days in April: 9.4 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).
Average UV index in April
Robertson, WY
- Average UV index in April: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in April
Robertson, WY
- Average cloud cover in April: 30
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in April
Robertson, WY
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





