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
April's arrival in Grafton is marked by a significant increase in the average high-temperature, moving from a cold 32.5°F (0.3°C) in March to a chilly 48.9°F (9.4°C). In the month of April, the nighttime temperature in Grafton dips to a steady average of 34°F (1.1°C).Humidity
The average relative humidity in April is 67%.Rainfall
In Grafton, during April, the rain falls for 10.2 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, there are 97.8 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, in Grafton, it is snowing for 5.4 days. Throughout April, 1.69" (43mm) of snow is accumulated. In Grafton, during the entire year, snow falls for 70.4 days and aggregates up to 18.46" (469mm) of snow.Daylight
The average length of the day in April in Grafton is 13h and 43min.On the first day of April in Grafton, North Dakota, sunrise is at 7:05 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:43 pm CDT.
Sunshine
In April, the average sunshine is 7.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during April translates into the following guidance:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Grafton?
What is the average humidity in April in Grafton?
How much does it rain in Grafton in April?
How many days does it snow in April in Grafton?
What is the average length of the day in April in Grafton?
What time are sunrise and sunset in April in Grafton?
How long on average sun shines in April in Grafton?
How high is the UV index in April in Grafton?
Average temperature in April
Grafton, ND
- Average high temperature in April: 48.9°F
The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is January (14.7°F).
- Average low temperature in April: 34°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (0.9°F).
Average pressure in April
Grafton, ND
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Grafton, ND
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in April
Grafton, ND
- Average humidity in April: 67%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (59%).
Average rainfall in April
Grafton, ND
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is June (2.8").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in April
Grafton, ND
- Average rainfall days in April: 10.2 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in April
Grafton, ND
- Average snowfall in April: 1.69"
The month with the highest snowfall is December (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Grafton, ND
- Average snowfall days in April: 5.4 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Grafton, ND
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 7h and 2min
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 12min).
Average sunshine days in April
Grafton, ND
- Average sunshine days in April: 14.9 days
The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in April
Grafton, ND
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in April
Grafton, ND
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in April
Grafton, 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).
Grafton, North Dakota, USA
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