August weather forecastRiverside, MT
August
Weather in August
The last month of the summer, August, is another pleasant month in Riverside, Montana, with an average temperature fluctuating between 43.7°F (6.5°C) and 71.4°F (21.9°C).Temperature
The commencement of August brings an average high-temperature of a still pleasant 71.4°F (21.9°C), marking an inconsequential divergence from July. During August, Riverside reports a marked contrast from daily peak temperatures, with an average nighttime reading of 43.7°F (6.5°C).Humidity
The least humid month is August, with an average relative humidity of 50%.Rainfall
In August, the rain falls for 12.3 days. Throughout August, 1.18" (30mm) of precipitation is accumulated. In Riverside, during the entire year, the rain falls for 109.2 days and collects up to 23.15" (588mm) of precipitation.Snowfall
August is the only month when snow does not fall.Daylight
In Riverside, the average length of the day in August is 13h and 59min.On the first day of August, sunrise is at 6:11 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 8:02 pm MDT.
Sunshine
In August, the average sunshine is 11.5h.UV index
The average daily maximum UV index in August is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 3 in August suggests the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Riverside, MT
- Average high temperature in August: 71.4°F
The warmest month (with the highest average high temperature) is July (72.9°F).
The month with the lowest average high temperature is December (20.1°F).
- Average low temperature in August: 43.7°F
The month with the highest average low temperature is August (43.7°F).
The coldest month (with the lowest average low temperature) is December (4.8°F).
Average pressure in August
Riverside, MT
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Riverside, MT
- Average wind speed in August: 5.8mph
The windiest month (with the highest average wind speed) is June (6.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in August
Riverside, MT
- Average humidity in August: 50%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is August (50%).
Average rainfall in August
Riverside, MT
- Average rainfall in August: 1.18"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in August
Riverside, MT
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (2.2 days).
Average snowfall in August
Riverside, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (17.83").
The month with the least snowfall is August (0").
Average snowfall days in August
Riverside, MT
- Average snowfall days in August: 0.2 days
The month with the highest number of snowfall days is March (24.4 days).
The months with the least snowfall days are July and August (0.2 days).
Average daylight in August /
Average sunshine in August
Riverside, MT
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 11h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 18min).
Average sunshine days in August
Riverside, MT
- Average sunshine days in August: 13.9 days
The months with the most sunshine days are July and September (14.7 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in August
Riverside, MT
- Average UV index in August: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in August
Riverside, MT
- Average cloud cover in August: 17
The month with the most cloud cover is February (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in August
Riverside, MT
- Average visibility in August: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March and December (3mi).
