August weather forecast
Delta, UT

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Weather in August

August continues the trend of high temperatures in Delta with an average high of 90°F (32.2°C). Although a decrease in temperature from July, August remains hot. The rainfall slightly decreases again, and the days start to shorten. However, the hours of sunshine remain high, ensuring warm and bright days. As the final month of summer, August exhibits slightly lesser wind speeds than its preceding months.

Temperature

The average high-temperature during August registers at a still tropical 90°F (32.2°C), closely corresponding to the preceding month. Delta's nighttime temperatures in August reflect a stark contrast to the day's highs, falling to an average low of 67.3°F (19.6°C).

Humidity

In August, the average relative humidity is 27%.

Rainfall

In Delta, during August, the rain falls for 5.8 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Delta, during the entire year, the rain falls for 82.6 days and collects up to 7.01" (178mm) of precipitation.

Snowfall

May through September are months without snowfall in Delta.

Daylight

In Delta, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:31 am and sunset at 8:42 pm. On the last day of August, sunrise is at 6:58 am and sunset at 8:02 pm MDT.

Sunshine

August has the most sunshine of the year, with an average of 11.9h of sunshine.

UV index

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

Delta in August has an average high-temperature of 90°F (32.2°C) and an average low-temperature of 67.3°F (19.6°C).

What is the average humidity in August?

In August, the average relative humidity is 27%.

How much does it rain in August?

In August, the rain falls for 5.8 days. Throughout August, 0.39" (10mm) of precipitation is accumulated.

When it does not snow?

In Delta, snow does not fall in May through September.

What is the average length of the day in August?

In Delta, the average day length in August is 13h and 40min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:31 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 8:02 pm MDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 11.9h of sunshine.

How many hours of sunshine does Delta have in August?

The average sunshine duration in August is 11.9h.

What is the UV index reading in August?

In Delta, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat 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, UT

Average temperature in August - Delta, UT
  • Average high temperature in August: 90°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in August
Delta, UT

Average pressure in August - Delta, UT
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in August
Delta, UT

Average wind speed in August - Delta, UT
  • Average wind speed in August: 7.6mph

The windiest month (with the highest average wind speed) is June (8.8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).

Average humidity in August
Delta, UT

Average humidity in August - Delta, UT
  • Average humidity in August: 27%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (24%).

Average rainfall in August
Delta, UT

Average rainfall in August - Delta, UT
  • Average rainfall in August: 0.39"

The wettest month (with the highest rainfall) is March (0.91").
The driest month (with the least rainfall) is June (0.24").

Average rainfall days in August
Delta, UT

Average rainfall days in August - Delta, UT
  • Average rainfall days in August: 5.8 days

The month with the highest number of rainy days is April (10 days).
The month with the least rainy days is June (3.9 days).

Average snowfall in August
Delta, UT

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

The month with the highest snowfall is December (3.98").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Delta, UT

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

The month with the highest number of snowfall days is December (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Delta, UT

Average daylight in August / Average sunshine in August - Delta, UT
  • 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 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).

Average sunshine days in August
Delta, UT

Average sunshine days in August - Delta, UT
  • Average sunshine days in August: 19.8 days

The month with the most sunshine days is June (24.1 days).
The month with the least sunshine days is February (16.3 days).

Average UV index in August
Delta, UT

Average UV index in August - Delta, UT
  • Average UV index in August: 6

The months with the highest UV index are June and 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
Delta, UT

Average cloud cover in August - Delta, UT
  • Average cloud cover in August: 9

The month with the most cloud cover is December (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in August
Delta, UT

Average visibility in August - Delta, UT
  • Average visibility in August: 6mi

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

Delta, Utah, USA

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