August weather forecast
Hartsel, CO

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Weather in August

The last month of the summer, August, is also an agreeable month in Hartsel, Colorado, with an average temperature ranging between max 70.3°F (21.3°C) and min 44.2°F (6.8°C).

Temperature

August welcomes an average high-temperature of a still pleasant 70.3°F (21.3°C), not much different from the preceding month. Hartsel, after hot August days, encounters a marked drop to an average nighttime temperature of 44.2°F (6.8°C).

Humidity

The average relative humidity in August is 54%.

Rainfall

In Hartsel, in August, during 17.8 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 112.5 rainfall days, and 14.13" (359mm) of precipitation is accumulated.

Snowfall

July and August are months without snowfall in Hartsel.

Daylight

In August, the average length of the day in Hartsel is 13h and 38min.
On the first day of August, sunrise is at 6:04 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:34 pm MDT.

Sunshine

In Hartsel, the average sunshine in August is 11.6h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 4 during August translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Hartsel?

The high-temperature during August is 70.3°F (21.3°C) and the low-temperature is 44.2°F (6.8°C).

What is the average humidity in August in Hartsel?

In August, the average relative humidity in Hartsel, Colorado, is 54%.

How many days does it rain in August in Hartsel?

In Hartsel, Colorado, in August, it is raining for 17.8 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow in Hartsel?

In Hartsel, snow does not fall in July and August.

Does it snow in Hartsel in August?

In Hartsel, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August in Hartsel?

In Hartsel, the average day length in August is 13h and 38min.

When is the sunrise / sunset in August in Hartsel?

On the first day of August in Hartsel, sunrise is at 6:04 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:34 pm MDT.

How many hours of sunshine does Hartsel have in August?

The average sunshine duration in August in Hartsel is 11.6h.

When is the highest UV index in Hartsel?

The months with the highest UV index in Hartsel are June through August, with an average maximum UV index of 4.

What is the UV index reading in August in Hartsel?

In August, the average daily maximum UV index in Hartsel is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Hartsel, CO

Average temperature in August - Hartsel, CO
  • Average high temperature in August: 70.3°F

The warmest month (with the highest average high temperature) is July (71.6°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in August: 44.2°F

The month with the highest average low temperature is July (45.9°F).
The coldest months (with the lowest average low temperature) are January and December (7.2°F).

Average pressure in August
Hartsel, CO

Average pressure in August - Hartsel, CO
  • Average pressure in August: 30.07"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is April (29.93"Hg).

Average wind speed in August
Hartsel, CO

Average wind speed in August - Hartsel, CO
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in August
Hartsel, CO

Average humidity in August - Hartsel, CO
  • Average humidity in August: 54%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is June (45%).

Average rainfall in August
Hartsel, CO

Average rainfall in August - Hartsel, CO
  • Average rainfall in August: 1.57"

The wettest month (with the highest rainfall) is July (2.64").
The driest months (with the least rainfall) are January and November (0.51").

Average rainfall days in August
Hartsel, CO

Average rainfall days in August - Hartsel, CO
  • Average rainfall days in August: 17.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (3.2 days).

Average snowfall in August
Hartsel, CO

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

The month with the highest snowfall is April (8.98").
The months with the least snowfall are July and August (0").

Average snowfall days in August
Hartsel, CO

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

The month with the highest number of snowfall days is April (13.6 days).
The month with the least snowfall days is August (0 days).

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

Average daylight in August / Average sunshine in August - Hartsel, 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 30min).

  • Average sunshine in August: 11h and 4min

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
Hartsel, CO

Average sunshine days in August - Hartsel, CO
  • Average sunshine days in August: 8.8 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (7 days).

Average UV index in August
Hartsel, CO

Average UV index in August - Hartsel, CO
  • Average UV index in August: 4

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in August
Hartsel, CO

Average cloud cover in August - Hartsel, CO
  • Average cloud cover in August: 21

The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 16).

Average visibility in August
Hartsel, CO

Average visibility in August - Hartsel, CO
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Hartsel, Colorado, USA

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