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
Simms sees the arrival of August with an average high-temperature of a still warm 81.1°F (27.3°C), indicating a subtle variation from July. Simms's nighttime temperature in August demonstrates a noticeable plunge to a refreshing 56.7°F (13.7°C).Heat index
The heat index in August is appraised at 80.6°F (27°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
August is the least humid month, with an average relative humidity of 41%.Rainfall
In August, in Simms, the rain falls for 8.8 days. Throughout August, 0.79" (20mm) of precipitation is accumulated. In Simms, during the entire year, the rain falls for 112.8 days and collects up to 12.95" (329mm) of precipitation.Snowfall
In Simms, Montana, snow does not fall in June through August.Daylight
In Simms, Montana, the average length of the day in August is 14h and 12min.On the first day of August in Simms, sunrise is at 6:06 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 8:09 pm MDT.
Sunshine
In August, the average sunshine in Simms is 11.4h.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 in August translates into these instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Simms?
What is the least humid month in Simms?
What is the average humidity in August in Simms?
How much does it rain in Simms in August?
When it does not snow in Simms?
Does it snow in Simms in August?
How many hours of daylight does Simms have in August?
What time are sunrise and sunset in August in Simms?
How many hours of sunshine does Simms have in August?
What is the UV index reading in August in Simms?
Average temperature in August
Simms, MT
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (29.5°F).
- Average low temperature in August: 56.7°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (17.4°F).
Average pressure in August
Simms, MT
- Average pressure in August: 29.92"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Simms, MT
- Average wind speed in August: 7.3mph
The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in August
Simms, MT
- Average humidity in August: 41%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in August
Simms, MT
- Average rainfall in August: 0.79"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in August
Simms, MT
- Average rainfall days in August: 8.8 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in August
Simms, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Simms, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Simms, MT
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in August: 11h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in August
Simms, MT
- Average sunshine days in August: 18.2 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in August
Simms, MT
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Simms, MT
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in August
Simms, MT
- 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).
Simms, Montana, USA
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