August weather forecast
Amherst, CO

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Weather in August

The last month of the summer, August, is another tropical month in Amherst, Colorado, with an average temperature ranging between max 86.5°F (30.3°C) and min 63°F (17.2°C).

Temperature

The shift into August reveals an average high-temperature of a still tropical 86.5°F (30.3°C), closely mirroring July's climate. Despite considerable daily temperature swings, a steady low-temperature average of 63°F (17.2°C) is noted throughout August.

Heat index

In August, the average heat index is computed to be a tropical 89.6°F (32°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in August is 54%.

Rainfall

In Amherst, in August, it is raining for 13.5 days, with typically 2.2" (56mm) of accumulated 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 in Amherst.

Daylight

In Amherst, the average length of the day in August is 13h and 44min.
On the first day of August, sunrise is at 5:46 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:21 pm MDT.

Sunshine

The months with the most sunshine are July and August, with an average of 11.5h of sunshine.

UV index

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

An average high-temperature, in August, in Amherst, is 86.5°F (30.3°C) and the average low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 54%.

How much does it rain in August?

In Amherst, Colorado, during August, the rain falls for 13.5 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Amherst have in August?

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

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:46 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:21 pm MDT.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 11.5h of sunshine.

How long on average sun shines in August?

In August, the average sunshine duration is 11.5h.

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
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
Amherst, CO

Average temperature in August - Amherst, 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
Amherst, CO

Average pressure in August - Amherst, 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
Amherst, CO

Average wind speed in August - Amherst, 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
Amherst, CO

Average humidity in August - Amherst, 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
Amherst, CO

Average rainfall in August - Amherst, 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
Amherst, CO

Average rainfall days in August - Amherst, 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
Amherst, CO

Average snowfall in August - Amherst, 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
Amherst, CO

Average snowfall days in August - Amherst, 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
Amherst, CO

Average daylight in August / Average sunshine in August - Amherst, 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 3min

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
Amherst, CO

Average sunshine days in August - Amherst, 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
Amherst, CO

Average UV index in August - Amherst, 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
Amherst, CO

Average cloud cover in August - Amherst, 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
Amherst, CO

Average visibility in August - Amherst, 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).

Amherst, Colorado, USA

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