Saint George
Utah, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Saint George, UT

The last month of the summer, August, is another hot month in Saint George, Utah, with average temperature ranging between max 92.3°F (33.5°C) and min 71.2°F (21.8°C).

Temperature

In Saint George, Utah, the average high-temperature in August is almost the same as in July - a still hot 92.3°F (33.5°C). In Saint George, in August, the average low-temperature is 71.2°F (21.8°C).

Humidity

In August, the average relative humidity in Saint George, Utah, is 28%.

Rainfall

In August, in Saint George, Utah, the rain falls for 5.4 days. Throughout August, 0.55" (14mm) of precipitation is accumulated. In Saint George, Utah, during the entire year, the rain falls for 66.6 days and collects up to 6.97" (177mm) of precipitation.

Snowfall

In Saint George, Utah, snow does not fall in March through October.

Daylight

The average length of the day in August is 13.5h.

Sunshine

In Saint George, the average sunshine in August is 11.5h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Saint George. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in Saint George?

In Saint George, in August, the average high-temperature is 92.3°F (33.5°C), and the average low-temperature is 71.2°F (21.8°C).

What is the average humidity in August in Saint George?

The average relative humidity in August is 28%.

How much does it rain in Saint George in August?

In August, in Saint George, the rain falls for 5.4 days. Throughout August, 0.55" (14mm) of precipitation is accumulated.

When it does not snow in Saint George?

March through October are months without snowfall.

How many hours of daylight does Saint George have in August?

In August, the average length of the day in Saint George is 13.5h.

How many hours of sunshine does Saint George have in August?

In Saint George, the average sunshine in August is 11.5h.

What is the month with the highest UV index in Saint George?

Months with the highest UV index in Saint George are June through August, with an average maximum UV index of 7.

What is the UV index reading in August in Saint George?

In Saint George, Utah, the average daily maximum UV index in August is 7. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in August - Saint George, UT
  • Average high temperature in August: 92.3°F

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (47.7°F).

  • Average low temperature in August: 71.2°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is December (31.6°F).

Average humidity in August - Saint George, UT
  • Average humidity in August: 28%

The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (18%).

Average rainfall in August - Saint George, UT
  • Average rainfall in August: 0.55"

The wettest month (with the highest rainfall) is March (0.98").
The driest month (with the lowest rainfall) is June (0.12").

Average rainfall days in August - Saint George, UT
  • Average rainfall days in August: 5.4 days

The month with the highest number of rainy days is March (8.3 days).
The month with the lowest number of rainy days is June (1.8 days).

Average snowfall in August - Saint George, UT
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.2").
Months with the lowest snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in August - Saint George, UT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (0.8 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - Saint George, UT
  • Average daylight in August: 13.5h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in August: 11.5h

Months with most sunshine are June and July (Average sunshine: 11.9h).
The month with least sunshine is December (Average sunshine: 7h).

Average UV index in August - Saint George, UT
  • Average UV index in August: 7

Months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).