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
The arrival of April brings a change in Castle Rock's weather, with average high-temperatures moving from March's wintry 39.4°F (4.1°C) to a cool 52.9°F (11.6°C). The average temperature during April nights is registered at a wintry 37.2°F (2.9°C).Humidity
The months with the lowest humidity are April and October, with an average relative humidity of 73%.Rainfall
In April, in Castle Rock, the rain falls for 13.6 days. Throughout April, 2.36" (60mm) of precipitation is accumulated. In Castle Rock, during the entire year, the rain falls for 126.4 days and collects up to 24.76" (629mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Castle Rock, in April, during 4.1 snowfall days, 1.65" (42mm) of snow is typically accumulated. Throughout the year, in Castle Rock, there are 55.6 snowfall days, and 22.36" (568mm) of snow is accumulated.Daylight
In April, the average length of the day in Castle Rock is 13h and 31min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:40 pm. On the last day of April, in Castle Rock, Minnesota, sunrise is at 6:03 am and sunset at 8:16 pm CDT.
Sunshine
In April, the average sunshine is 7.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the temperature in April in Castle Rock?
What is the least humid month in Castle Rock?
What is the average humidity in April in Castle Rock?
How many days does it rain in April in Castle Rock?
How much does it snow in Castle Rock in April?
What is the average length of the day in April in Castle Rock?
What time are sunrise and sunset in April in Castle Rock?
How many hours of sunshine does Castle Rock have in April?
How high is the UV index in April in Castle Rock?
Average temperature in April
Castle Rock, MN
- Average high temperature in April: 52.9°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in April: 37.2°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in April
Castle Rock, MN
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Castle Rock, MN
- Average wind speed in April: 9.5mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in April
Castle Rock, MN
- Average humidity in April: 73%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (73%).
Average rainfall in April
Castle Rock, MN
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in April
Castle Rock, MN
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in April
Castle Rock, MN
- Average snowfall in April: 1.65"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Castle Rock, MN
- Average snowfall days in April: 4.1 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Castle Rock, MN
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in April
Castle Rock, MN
- Average sunshine days in April: 12.5 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in April
Castle Rock, MN
- 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, November and December (UV index 1).
Average cloud cover in April
Castle Rock, MN
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in April
Castle Rock, MN
- 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 and February (4mi).
Castle Rock, Minnesota, USA
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