Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The advent of August brings an average high-temperature of a still moderately hot 77.5°F (25.3°C), exhibiting minor difference from the previous month. Throughout August, an average low-temperature of 59.4°F (15.2°C) is expected.Humidity
In Castle Rock, the average relative humidity in August is 80%.Rainfall
In Castle Rock, during August, the rain falls for 14 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 126.4 rainfall days, and 24.76" (629mm) of precipitation is accumulated.Snowfall
In Castle Rock, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 59min.On the first day of August, sunrise is at 6:00 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:50 pm CDT.
Sunshine
In Castle Rock, the average sunshine in August is 9.7h.UV index
In Castle Rock, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In August, the UV index of 5 transforms into the following advice:
Adopt protective measures - It is advised to guard against sun damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When are sunrise and sunset in August in Castle Rock?
How many hours of sunshine does Castle Rock have in August?
How high is the UV index in August?
Average temperature in August
Castle Rock, MN
- Average high temperature in August: 77.5°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 August: 59.4°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 August
Castle Rock, MN
- Average pressure in August: 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 August
Castle Rock, MN
- Average wind speed in August: 7.1mph
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 August
Castle Rock, MN
- Average humidity in August: 80%
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 August
Castle Rock, MN
- Average rainfall in August: 2.68"
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 August
Castle Rock, MN
- Average rainfall days in August: 14 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 August
Castle Rock, MN
- Average snowfall in August: 0"
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 August
Castle Rock, MN
- Average snowfall days in August: 0 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 August /
Average sunshine in August
Castle Rock, MN
- Average daylight in August: 14h and 0min
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 August: 9h and 4min
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 August
Castle Rock, MN
- Average sunshine days in August: 15.1 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 August
Castle Rock, MN
- Average UV index in August: 5
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 August
Castle Rock, MN
- Average cloud cover in August: 32
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 August
Castle Rock, MN
- Average visibility in August: 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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