April weather forecast
Robertson, WY

Share

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.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

The high-temperature, in April, in Robertson, is 45.9°F (7.7°C), while the low-temperature averages to 29.3°F (-1.5°C).

What is the average humidity in April?

In April, the average relative humidity is 64%.

How much does it rain in April?

In Robertson, in April, during 12.1 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How much does it snow in April?

In Robertson, during April, snow falls for 10.9 days and regularly aggregates up to 6.97" (177mm) of snow.

How many hours of daylight does Robertson have in April?

In Robertson, the average day length in April is 13h and 21min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 7:03 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:18 pm MDT.

How many hours of sunshine does Robertson have in April?

In Robertson, the average sunshine duration in April is 10.3h.

When is the lowest UV index?

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2.

What is the UV index intensity in April?

In Robertson, Wyoming, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
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
Robertson, WY

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in April - Robertson, WY
  • Average daylight in April: 13h and 2min

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 2min

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 - 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 - 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 - 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 - 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).

Robertson, Wyoming, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location