August weather forecast
Amherst, CO

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Weather in August

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

Temperature

The shift into August reveals an average high-temperature of a still hot 86.5°F (30.3°C), closely mirroring July's climate. Amherst observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 63°F (17.2°C) throughout the month of August.

Heat index

The heat index value during August is computed to be a tropical 89.6°F (32°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

The average relative humidity in August is 54%.

Rainfall

In August, the rain falls for 13.5 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. In Amherst, during the entire year, the rain falls for 119.5 days and collects up to 16.14" (410mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August in Amherst, Colorado, 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 in Amherst are July and August, with an average of 11.5h of sunshine.

UV index

In August, the average daily maximum UV index in Amherst is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

How hot is it in Amherst in August?

The average high-temperature and low-temperature in Amherst during August are 86.5°F (30.3°C) and 63°F (17.2°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 89.6°F (32°C).

What is the average humidity in August in Amherst?

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

How many days does it rain in August in Amherst?

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

When it does not snow in Amherst?

In Amherst, Colorado, snow does not fall in June through September.

How many hours of daylight does Amherst have in August?

In August, the average day length is 13h and 44min.

What time are sunrise and sunset in August in Amherst?

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.

What are the months with the most sunshine in Amherst?

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

How many hours of sunshine does Amherst have in August?

The average sunshine duration in August in Amherst is 11.5h.

What is the UV index reading in August in Amherst?

In August, the average daily maximum UV index in Amherst is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Amherst, Colorado, USA

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