August weather forecast
Delta, CO

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Weather in August

August, the last month of the summer in Delta, is also a moderately hot month, with an average temperature fluctuating between 81.1°F (27.3°C) and 53.4°F (11.9°C).

Temperature

August's onset brings an average high-temperature of a still moderately hot 81.1°F (27.3°C), showing a minute difference from July's 83.7°F (28.7°C). Delta, amidst the high August temperatures, experiences a substantial shift to an average nighttime low of 53.4°F (11.9°C).

Heat index

Throughout August, the heat index is calculated to be 80.6°F (27°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August is 44%.

Rainfall

The month with the most rainfall in Delta is August, when the rain falls for 12.3 days and typically aggregates up to 1.54" (39mm) of precipitation.

Snowfall

June through September are months without snowfall in Delta.

Daylight

The average length of the day in August is 13h and 38min.
On the first day of August, sunrise is at 6:14 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:43 pm MDT.

Sunshine

In August, the average sunshine in Delta is 11.9h.

UV index

The months with the highest UV index in Delta, Colorado, are June through August, with an average maximum UV index of 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: The maximum UV index of 5 during August leads to these instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the temperature in August in Delta?

In Delta, in August, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 53.4°F (11.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 80.6°F (27°C).

What is the average humidity in August in Delta?

The average relative humidity in August in Delta is 44%.

What is the rainiest month in Delta?

August is the month with the most rainfall in Delta, Colorado. Rain falls for 12.3 days and accumulates 1.54" (39mm) of precipitation.

How many days does it rain in August in Delta?

In Delta, in August, during 12.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow in Delta?

June through September are months without snowfall.

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

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

What time are sunrise and sunset in August in Delta?

On the first day of August in Delta, Colorado, sunrise is at 6:14 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:43 pm MDT.

How many hours of sunshine does Delta have in August?

In August, the average sunshine duration in Delta is 11.9h.

What are the months with the highest UV index in Delta?

The months with the highest UV index are June through August, with an average maximum UV index of 5.

What is the UV index reading in August in Delta?

The average daily maximum UV index in August in Delta is 5. A UV Index reading of 3 to 5 represents a medium 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
Delta, CO

Average temperature in August - Delta, CO
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in August: 53.4°F

The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in August
Delta, CO

Average pressure in August - Delta, CO
  • Average pressure in August: 30.03"Hg

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).

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Average wind speed in August
Delta, CO

Average wind speed in August - Delta, CO
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).

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Average humidity in August
Delta, CO

Average humidity in August - Delta, CO
  • Average humidity in August: 44%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (34%).

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Average rainfall in August
Delta, CO

Average rainfall in August - Delta, CO
  • Average rainfall in August: 1.54"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is June (0.71").

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Average rainfall days in August
Delta, CO

Average rainfall days in August - Delta, CO
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is June (6.8 days).

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Average snowfall in August
Delta, CO

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

The month with the highest snowfall is December (5.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Delta, CO

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

The month with the highest number of snowfall days is February (10.5 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
Delta, CO

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

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Average sunshine days in August
Delta, CO

Average sunshine days in August - Delta, CO
  • Average sunshine days in August: 13.3 days

The months with the most sunshine days are June and November (20.4 days).
The month with the least sunshine days is August (13.3 days).

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Average UV index in August
Delta, CO

Average UV index in August - Delta, CO
  • Average UV index in August: 5

The months with the highest UV index are June, July and August (UV index 5).
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
Delta, CO

Average cloud cover in August - Delta, CO
  • Average cloud cover in August: 14

The months with the most cloud cover are January and February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 11).

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Average visibility in August
Delta, CO

Average visibility in August - Delta, 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).

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Delta, Colorado, USA

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