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
Castleton in August witnesses an average high-temperature of a still warm 77.4°F (25.2°C), indicating a slight variation from July's 79.3°F (26.3°C). August nights in Castleton are characterized by a notable drop from daytime highs, with an average low-temperature of 55.4°F (13°C).Humidity
In Castleton, the average relative humidity in August is 78%.Rainfall
In Castleton, Vermont, during August, the rain falls for 11.8 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Castleton, during the entire year, the rain falls for 112.5 days and collects up to 10.75" (273mm) of precipitation.Snowfall
In Castleton, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 56min.On the first day of August in Castleton, sunrise is at 5:42 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:29 pm EDT.
Sunshine
In August, the average sunshine in Castleton is 10.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Castleton?
What is the average humidity in August in Castleton?
How much does it rain in Castleton in August?
When it does not snow in Castleton?
How many hours of daylight does Castleton have in August?
When is the sunrise / sunset in August in Castleton?
How long on average sun shines in August in Castleton?
What are the months with the highest UV index in Castleton?
What is the UV index reading in August in Castleton?
Average temperature in August
Castleton, VT
- Average high temperature in August: 77.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in August: 55.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in August
Castleton, VT
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Castleton, VT
- Average wind speed in August: 5.1mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in August
Castleton, VT
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in August
Castleton, VT
- Average rainfall in August: 0.98"
The wettest month (with the highest rainfall) is June (1.22").
The driest months (with the least rainfall) are March and September (0.67").
Average rainfall days in August
Castleton, VT
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in August
Castleton, VT
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Castleton, VT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Castleton, VT
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in August
Castleton, VT
- Average sunshine days in August: 17.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is February (15.6 days).
Average UV index in August
Castleton, VT
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Castleton, VT
- Average cloud cover in August: 36
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in August
Castleton, VT
- Average visibility in August: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Castleton, Vermont, USA
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