August weather forecastHolyoke, CO
August
Weather in August
August, the last month of the summer in Holyoke, is another tropical month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 86.5°F (30.3°C).Temperature
August's beginning signals an average high-temperature of a still tropical 86.5°F (30.3°C), barely different from July's 88.7°F (31.5°C). Holyoke registers a pronounced decline from daytime peak temperatures, averaging a refreshing 63°F (17.2°C) lows in August.Heat index
In August, the average heat index is calculated to be a tropical 89.6°F (32°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
The average relative humidity in August is 54%.Rainfall
In Holyoke, Colorado, during August, the rain falls for 13.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 119.5 rainfall days, and 16.14" (410mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Holyoke, the average length of the day in August is 13h and 44min.On the first day of August, sunrise is at 5:47 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:22 pm MDT.
Sunshine
July and August, with an average of 11.5h of sunshine, are months with the most sunshine.UV index
In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 6 in August translates into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Holyoke, CO
- Average high temperature in August: 86.5°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (39.2°F).
- Average low temperature in August: 63°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in August
Holyoke, CO
- Average pressure in August: 29.91"Hg
The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in August
Holyoke, CO
- Average wind speed in August: 9.4mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in August
Holyoke, CO
- Average humidity in August: 54%
The months with the highest relative humidity are January and February (66%).
The month with the lowest relative humidity is September (51%).
Average rainfall in August
Holyoke, CO
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in August
Holyoke, CO
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are November and December (4.2 days).
Average snowfall in August
Holyoke, CO
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Holyoke, CO
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (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
Holyoke, CO
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 11h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in August
Holyoke, CO
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in August
Holyoke, CO
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Holyoke, CO
- Average cloud cover in August: 19
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in August
Holyoke, 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).





