August weather forecastCastle Dale, UT
August
Weather in August
August, the last month of the summer in Castle Dale, is another warm month, with an average temperature fluctuating between 79.9°F (26.6°C) and 61°F (16.1°C).Temperature
Castle Dale experiences an average high-temperature of a still moderately hot 79.9°F (26.6°C) in August, marking an insignificant shift from 82.8°F (28.2°C) in July. Castle Dale's nights in August experience an average temperature drop to a comfortable 61°F (16.1°C).Humidity
In Castle Dale, the average relative humidity in August is 36%.Rainfall
In Castle Dale, during August, the rain falls for 12.3 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, in Castle Dale, there are 93.6 rainfall days, and 9.33" (237mm) of precipitation is accumulated.Snowfall
In Castle Dale, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 39min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:35 pm. On the last day of August, in Castle Dale, sunrise is at 6:52 am and sunset at 7:55 pm MDT.
Sunshine
In Castle Dale, the average sunshine in August is 11.8h.UV index
The average daily maximum UV index in August in Castle Dale, Utah, is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 in August translates into these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Castle Dale, UT
- Average high temperature in August: 79.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in August: 61°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in August
Castle Dale, 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 (29.84"Hg).
Average wind speed in August
Castle Dale, UT
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in August
Castle Dale, UT
- Average humidity in August: 36%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (28%).
Average rainfall in August
Castle Dale, UT
- Average rainfall in August: 1.38"
The wettest month (with the highest rainfall) is July (1.46").
The driest months (with the least rainfall) are January, June and November (0.51").
Average rainfall days in August
Castle Dale, UT
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in August
Castle Dale, UT
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Castle Dale, UT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Castle Dale, UT
- Average daylight in August: 13h and 42min
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 48min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in August
Castle Dale, UT
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in August
Castle Dale, UT
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Castle Dale, UT
- Average cloud cover in August: 13
The month with the most cloud cover is January (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 11).
Average visibility in August
Castle Dale, 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).
