April weather forecast
Rolla, ND

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Weather in April

April in Rolla brings forth the spring season in full swing, with the landscape transforming considerably. Compared to March, the city becomes more inhabitable as the temperatures rise notably and rainfall amount increases to 1.46" (37mm). This is a significant shift from the snowy, frigid conditions experienced earlier in the year. This month is characterized by longer daylight periods and less frequent snowfall. Additionally, the higher daylight hours make the days noticeably longer and brighter.

Temperature

Rolla's weather undergoes a significant change with the arrival of April, as the average high-temperature moves from a freezing cold 30.7°F (-0.7°C) in March to a frosty 46.6°F (8.1°C). Throughout April, the temperature falls to an average low of 31.5°F (-0.3°C).

Humidity

The average relative humidity in April in Rolla is 70%.

Rainfall

In Rolla, in April, it is raining for 12.3 days, with typically 1.46" (37mm) of accumulated precipitation. In Rolla, during the entire year, the rain falls for 110.9 days and collects up to 17.95" (456mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Rolla. In Rolla, during April, snow falls for 7.9 days and regularly aggregates up to 3.27" (83mm) of snow. Throughout the year, in Rolla, there are 86.8 snowfall days, and 23.78" (604mm) of snow is accumulated.

Daylight

In April, the average length of the day in Rolla is 13h and 45min.
On the first day of the month, sunrise is at 7:14 am and sunset at 8:10 pm. On the last day of April, in Rolla, sunrise is at 6:18 am and sunset at 8:53 pm CDT.

Sunshine

In Rolla, the average sunshine in April is 6.9h.

UV index

In April, the average daily maximum UV index in Rolla is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What is the average April temperature in Rolla?

April temperatures vary between a high-temperature of 46.6°F (8.1°C) and a low-temperature of 31.5°F (-0.3°C).

What is the average humidity in April in Rolla?

The average relative humidity in April is 70%.

How much does it rain in Rolla in April?

In Rolla, North Dakota, in April, it is raining for 12.3 days, with typically 1.46" (37mm) of accumulated precipitation.

How much does it snow in Rolla in April?

In April, it is snowing for 7.9 days. Throughout April, 3.27" (83mm) of snow is accumulated.

How many hours of daylight does Rolla have in April?

The average day length in April in Rolla is 13h and 45min.

When is the sunrise / sunset in April in Rolla?

In April, on the first day of the month, sunrise is at 7:14 am and sunset at 8:10 pm. On the last day of the month, in Rolla, sunrise is at 6:18 am and sunset at 8:53 pm CDT.

How long on average sun shines in April in Rolla?

In April, the average sunshine duration in Rolla is 6.9h.

How high is the UV index in April in Rolla?

In Rolla, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate 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
Rolla, ND

Average temperature in April - Rolla, ND
  • Average high temperature in April: 46.6°F

The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is January (14.2°F).

  • Average low temperature in April: 31.5°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).

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Average pressure in April
Rolla, ND

Average pressure in April - Rolla, ND
  • Average pressure in April: 29.99"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in April
Rolla, ND

Average wind speed in April - Rolla, ND
  • Average wind speed in April: 10.6mph

The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in April
Rolla, ND

Average humidity in April - Rolla, ND
  • Average humidity in April: 70%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in April
Rolla, ND

Average rainfall in April - Rolla, ND
  • Average rainfall in April: 1.46"

The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.43").

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Average rainfall days in April
Rolla, ND

Average rainfall days in April - Rolla, ND
  • Average rainfall days in April: 12.3 days

The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2 days).

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Average snowfall in April
Rolla, ND

Average snowfall in April - Rolla, ND
  • Average snowfall in April: 3.27"

The month with the highest snowfall is November (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Rolla, ND

Average snowfall days in April - Rolla, ND
  • Average snowfall days in April: 7.9 days

The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Rolla, ND

Average daylight in April / Average sunshine in April - Rolla, ND
  • Average daylight in April: 13h and 4min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in April: 6h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in April
Rolla, ND

Average sunshine days in April - Rolla, ND
  • Average sunshine days in April: 11.1 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is June (8.1 days).

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Average UV index in April
Rolla, ND

Average UV index in April - Rolla, ND
  • Average UV index in April: 3

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 and December (UV index 1).

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Average cloud cover in April
Rolla, ND

Average cloud cover in April - Rolla, ND
  • Average cloud cover in April: 52

The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in April
Rolla, ND

Average visibility in April - Rolla, ND
  • Average visibility in April: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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Rolla, North Dakota, USA

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