August weather forecast
Windsor, CO

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The stonework around the Cache la Poudre River dam section in Windsor, Colorado
The stonework around the Cache la Poudre River dam section in Windsor, Colorado

Weather in August

August continues to bask in the summer glory, though with a slight dip in mercury levels, preparing for the upcoming fall. The nights start becoming cooler, hinting at the first signs of transition towards the fall. Winds are mild, and rainfall is relatively low. As the last month of summer, it's an excellent opportunity to savor the last sunny days before leaves start to change color. The summer’s conclusion embraces significant weather shifts, with August creating a perfect medley of summer warmth and a fall hint.

Temperature

The arrival of August in Windsor, Colorado, sees an average high-temperature of a still hot 87.4°F (30.8°C), hardly diverging from July's 89.1°F (31.7°C). The nighttime temperature in Windsor during August displays a significant divergence from daily peaks, averaging at a moderate 59.2°F (15.1°C).

Heat index

The heat index in August is calculated to be a tropical 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

August is the least humid month in Windsor, with an average relative humidity of 42%.

Rainfall

In August, the rain falls for 7.6 days. Throughout August, 0.59" (15mm) of precipitation is accumulated. Throughout the year, in Windsor, Colorado, there are 93.1 rainfall days, and 10.2" (259mm) of precipitation is accumulated.

Snowfall

In Windsor, snow does not fall in June through September.

Daylight

In Windsor, Colorado, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:32 pm MDT.

Sunshine

The average sunshine in August in Windsor is 11.7h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Windsor during August?

In Windsor, in August, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 59.2°F (15.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What is the least humid month in Windsor?

August is the least humid month in Windsor, with an average relative humidity of 42%.

What is the average humidity in August in Windsor?

In Windsor, the average relative humidity in August is 42%.

How many days does it rain in August in Windsor?

In Windsor, in August, it is raining for 7.6 days, with typically 0.59" (15mm) of accumulated precipitation.

When it does not snow in Windsor?

June through September are months without snowfall.

How many hours of daylight does Windsor have in August?

The average day length in August in Windsor is 13h and 44min.

When are sunrise and sunset in August in Windsor?

In August, on the first day of the month, sunrise is at 5:57 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:32 pm MDT.

How many hours of sunshine does Windsor have in August?

In Windsor, Colorado, the average sunshine duration in August is 11.7h.

What is the month with the highest UV index in Windsor?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Windsor, Colorado.

What is the UV index intensity in August in Windsor?

In August, the average daily maximum UV index in Windsor is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Windsor, CO

Average temperature in August - Windsor, CO
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (39.2°F).

  • Average low temperature in August: 59.2°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in August
Windsor, CO

Average pressure in August - Windsor, CO
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Windsor, CO

Average wind speed in August - Windsor, CO
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest months (with the lowest average wind speed) are August and December (5.8mph).

Average humidity in August
Windsor, CO

Average humidity in August - Windsor, CO
  • Average humidity in August: 42%

The months with the highest relative humidity are February and December (63%).
The month with the lowest relative humidity is August (42%).

Average rainfall in August
Windsor, CO

Average rainfall in August - Windsor, CO
  • Average rainfall in August: 0.59"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in August
Windsor, CO

Average rainfall days in August - Windsor, CO
  • Average rainfall days in August: 7.6 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in August
Windsor, CO

Average snowfall in August - Windsor, CO
  • Average snowfall in August: 0"

The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Windsor, CO

Average snowfall days in August - Windsor, CO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Windsor, CO

Average daylight in August / Average sunshine in August - Windsor, CO
  • Average daylight in August: 13h and 4min

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 4min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).

Average sunshine days in August
Windsor, CO

Average sunshine days in August - Windsor, CO
  • Average sunshine days in August: 19.8 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in August
Windsor, CO

Average UV index in August - Windsor, 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
Windsor, CO

Average cloud cover in August - Windsor, CO
  • Average cloud cover in August: 17

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are June, August and September (Cloud cover 17).

Average visibility in August
Windsor, CO

Average visibility in August - Windsor, 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).

Windsor, Colorado, USA

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