August weather forecastFort Collins, CO
August
Weather in August
August continues the warmth trend of July with temperatures hovering around 81.5°F (27.5°C) during the day. This epitomizes the summer season in Fort Collins. Although there is a slight dip in temperature, the weather continues to promote enjoyment of outdoor activities. Make sure to protect your skin since the risks associated with UV radiation are particularly high in this period.Temperature
The introduction of August sees an average high-temperature of a still moderately hot 81.5°F (27.5°C), hardly deviating from July. A considerable shift from the daytime highs is observed during August nights, with an average low of 55.2°F (12.9°C).Heat index
The heat index in August is evaluated at 82.4°F (28°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Understand that the heat index values take into account shaded locations and mild winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
The months with the lowest humidity in Fort Collins are June, August and September, with an average relative humidity of 45%.Rainfall
In Fort Collins, Colorado, during August, the rain falls for 10.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Fort Collins, during the entire year, the rain falls for 73.4 days and collects up to 7.64" (194mm) of precipitation.Snowfall
In Fort Collins, snow does not fall in June through September.Daylight
The average length of the day in August in Fort Collins is 13h and 44min.On the first day of August, sunrise is at 5:58 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:33 pm MDT.
Sunshine
In August, the average sunshine is 11.6h.UV index
The average daily maximum UV index in August in Fort Collins is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the maximum UV index of 5 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Fort Collins, CO
- Average high temperature in August: 81.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in August: 55.2°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in August
Fort Collins, CO
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Fort Collins, CO
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in August
Fort Collins, CO
- Average humidity in August: 45%
The month with the highest relative humidity is February (67%).
The months with the lowest relative humidity are June, August and September (45%).
Average rainfall in August
Fort Collins, CO
- Average rainfall in August: 0.75"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.12").
Average rainfall days in August
Fort Collins, CO
- Average rainfall days in August: 10.8 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (1.2 days).
Average snowfall in August
Fort Collins, CO
- Average snowfall in August: 0"
The month with the highest snowfall is April (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Fort Collins, CO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Fort Collins, 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 36min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in August
Fort Collins, CO
- Average sunshine days in August: 18.3 days
The months with the most sunshine days are January and December (27.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index in August
Fort Collins, CO
- 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 2).
Average cloud cover in August
Fort Collins, CO
- Average cloud cover in August: 18
The months with the most cloud cover are February, April and May (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in August
Fort Collins, 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).
