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 onset of August manifests an average high-temperature of a still moderately hot 84.4°F (29.1°C), demonstrating a minor variation from the preceding month. Despite soaring daytime temperatures, Castlewood registers a consistent average low-temperature of 58.6°F (14.8°C) in August.Heat index
During August, the heat index is evaluated at 84.2°F (29°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
The months with the lowest humidity are June, August and September, with an average relative humidity of 43%.Rainfall
In August, the rain falls for 9.2 days. Throughout August, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 94.2 rainfall days, and 11.97" (304mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Castlewood, the average length of the day in August is 13h and 41min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:12 pm. On the last day of August, in Castlewood, sunrise is at 6:27 am and sunset at 7:31 pm MDT.
Sunshine
In August, the average sunshine is 11.8h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 6 in August transforms into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during August?
What are the least humid months?
What is the average humidity in August?
How much does it rain in August?
When it does not snow in Castlewood?
How many hours of daylight does Castlewood have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Castlewood have in August?
What are the months with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Castlewood, CO
- Average high temperature in August: 84.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (40.3°F).
- Average low temperature in August: 58.6°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in August
Castlewood, CO
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in August
Castlewood, CO
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest months (with the lowest average wind speed) are August and December (6.5mph).
Average humidity in August
Castlewood, CO
- Average humidity in August: 43%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June, August and September (43%).
Average rainfall in August
Castlewood, CO
- Average rainfall in August: 0.75"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in August
Castlewood, CO
- Average rainfall days in August: 9.2 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in August
Castlewood, CO
- Average snowfall in August: 0"
The month with the highest snowfall is April (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Castlewood, CO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Castlewood, CO
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 11h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in August
Castlewood, CO
- Average sunshine days in August: 17.7 days
The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in August
Castlewood, CO
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Castlewood, CO
- Average cloud cover in August: 16
The month with the most cloud cover is April (Cloud cover 26).
The months with the least cloud cover are June and September (Cloud cover 15).
Average visibility in August
Castlewood, CO
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Castlewood, Colorado, USA
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