Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The transition from July to August brings an average high-temperature of a still warm 81°F (27.2°C), barely different from July's 82.8°F (28.2°C). In the face of high daytime temperatures, Fort Johnson witnesses a consistent average nighttime low of 57.4°F (14.1°C) during August.Humidity
In August, the average relative humidity is 39%.Rainfall
In Fort Johnson, during August, the rain falls for 11.8 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Fort Johnson, during the entire year, the rain falls for 84.2 days and collects up to 9.21" (234mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 34min.On the first day of August, sunrise is at 6:36 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:02 pm MDT.
Sunshine
In Fort Johnson, the average sunshine in August is 11.7h.UV index
In Fort Johnson, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In August, the maximum UV index of 5 suggests this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Fort Johnson have in August?
What time are sunrise and sunset in August in Fort Johnson?
How many hours of sunshine does Fort Johnson have in August?
What is the UV index intensity in August?
Average temperature in August
Fort Johnson, UT
- Average high temperature in August: 81°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in August: 57.4°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure in August
Fort Johnson, UT
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Fort Johnson, UT
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is June (8.5mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity in August
Fort Johnson, UT
- Average humidity in August: 39%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is June (26%).
Average rainfall in August
Fort Johnson, UT
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in August
Fort Johnson, UT
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in August
Fort Johnson, UT
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Fort Johnson, UT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Fort Johnson, UT
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 11h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in August
Fort Johnson, UT
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is June (24 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in August
Fort Johnson, UT
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Fort Johnson, UT
- Average cloud cover in August: 10
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in August
Fort Johnson, UT
- 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).
Fort Johnson, Utah, USA
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