April weather forecast and climate
Roberts, MT

April is a cool spring month in Roberts, Montana, with average temperature ranging between max 51.3°F (10.7°C) and min 33.3°F (0.7°C).

Temperature

In April, the average high-temperature marginally rises, from a chilly 43.5°F (6.4°C) in March, to a fresh 51.3°F (10.7°C). In Roberts, Montana, in April, the average low-temperature is 33.3°F (0.7°C).

Humidity

In April, the average relative humidity is 64%.

Rainfall

In Roberts, during April, the rain falls for 13 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Roberts, during the entire year, the rain falls for 108.1 days and collects up to 12.83" (326mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Roberts, in April, snow falls for 6.6 days, with typically accumulated 6.18" (157mm) of snow. Throughout the year, there are 61.5 snowfall days, and 41.77" (1061mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13.6h.

Sunshine

The average sunshine in April is 10.1h.

UV index

The average daily maximum UV index in Roberts is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in April in Roberts?

In April, in Roberts, Montana, the average high-temperature is 51.3°F (10.7°C), and the average low-temperature is 33.3°F (0.7°C).

What is the average humidity in April in Roberts?

In April, the average relative humidity in Roberts is 64%.

How many days does it rain in April in Roberts?

In April, in Roberts, the rain falls for 13 days. Throughout April, 1.73" (44mm) of precipitation is accumulated.

How many days does it snow in April in Roberts?

In Roberts, Montana, during April, snow falls for 6.6 days and regularly aggregates up to 6.18" (157mm) of snow.

How many hours of daylight does Roberts have in April?

In Roberts, the average length of the day in April is 13.6h.

How long on average sun shines in April in Roberts?

In April, the average sunshine in Roberts, Montana, is 10.1h.

How high is the UV index in April in Roberts?

In April, the average daily maximum UV index in Roberts is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in April - Roberts, MT
  • Average high temperature in April: 10.7°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is December (-0.7°C).

  • Average low temperature in April: 0.7°C

Months with the highest average low temperature are July and August (14°C).
The coldest month (with the lowest average low temperature) is February (-8.5°C).

Average pressure in April - Roberts, MT
  • Average pressure in April: 1014mbar

The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is June (1011.9mbar).

Average wind speed in April - Roberts, MT
  • Average wind speed in April: 12.7km/h

The windiest month (with the highest average wind speed) is January (14km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in April - Roberts, MT
  • Average humidity in April: 64%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (41%).

Average rainfall in April - Roberts, MT
  • Average rainfall in April: 44mm

The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is January (13mm).

Average rainfall days in April - Roberts, MT
  • Average rainfall days in April: 13 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4 days).

Average snowfall in April - Roberts, MT
  • Average snowfall in April: 157mm

The month with the highest snowfall is February (173mm).
Months with the least snowfall are July and August (0mm).

Average snowfall days in April - Roberts, MT
  • Average snowfall days in April: 6.6 days

The month with the highest number of snowfall days is February (10.8 days).
Months with the least snowfall days are July and August (0 days).

Average daylight in April / Average sunshine in April - Roberts, MT
  • Average daylight in April: 13.6h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in April: 10.1h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 6.2h).

Average sunshine days in April - Roberts, MT
  • Average sunshine days in April: 11.4 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in April - Roberts, MT
  • Average UV index in April: 3

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

Average cloud cover in April - Roberts, MT
  • Average cloud cover in April: 35

The month with the most cloud cover is February (Cloud cover 38).
Months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in April - Roberts, MT
  • Average visibility in April: 9km

Months with the highest visibility are June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March, April, May, November and December (9km).