Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Rolla witnesses a significant increase in the average high-temperature with the arrival of April, rising from March's freezing cold 30.7°F (-0.7°C) to a frosty 46.6°F (8.1°C). The month of April records an average low-temperature of 31.5°F (-0.3°C).Humidity
The average relative humidity in April is 70%.Rainfall
In April, in Rolla, the rain falls for 12.3 days. Throughout April, 1.46" (37mm) of precipitation is accumulated. In Rolla, during the entire year, the rain falls for 110.9 days and collects up to 17.95" (456mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Rolla, in April, during 7.9 snowfall days, 3.27" (83mm) of snow is typically accumulated. In Rolla, during the entire year, snow falls for 86.8 days and aggregates up to 23.78" (604mm) of snow.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, 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
The average daily maximum UV index in April 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: The maximum daily UV index of 3 during April translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does Rolla have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Rolla, North Dakota, USA
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