August weather forecastRiggins, ID
August
Weather in August
As the dog days persist in August, Riggins, Idaho continues to experience hot and dry conditions. Compared to the climate in July, August sustains the high temperatures while slightly increasing rainfall. As September arrives, there is mild cooling, reflecting the beginnings of the autumn season. A particularly striking factor in August, similar to July, is the minimal rainfall, with a mere 0.55" (14mm) on average. The August weather carries the sustained warmth and aridity of the summer season through to September.Temperature
Riggins witnesses its highest temperatures in July and August, reaching an average of 75.7°F (24.3°C).Humidity
The least humid month is August, with an average relative humidity of 48%.Rainfall
In Riggins, Idaho, in August, it is raining for 5.8 days, with typically 0.55" (14mm) of accumulated precipitation. In Riggins, during the entire year, the rain falls for 81 days and collects up to 32.68" (830mm) of precipitation.Snowfall
January through December are months with snowfall. The month with the least snowfall is August, when snow falls for 0.3 days and typically aggregates up to 0.08" (2mm) of snow.Daylight
In August, the average length of the day is 14h and 2min.On the first day of August, sunrise is at 5:30 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:24 pm PDT.
Sunshine
In Riggins, the average sunshine in August is 11.2h.UV index
The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the maximum UV index of 4 suggests this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. 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. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Riggins, ID
- Average high temperature in August: 75.7°F
The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is December (25.3°F).
- Average low temperature in August: 45.7°F
The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in August
Riggins, ID
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Riggins, ID
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is March (6mph).
The calmest months (with the lowest average wind speed) are May, June, August and September (5.3mph).
Average humidity in August
Riggins, ID
- Average humidity in August: 48%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (48%).
Average rainfall in August
Riggins, ID
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is February (4.49").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in August
Riggins, ID
- Average rainfall days in August: 5.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in August
Riggins, ID
- Average snowfall in August: 0.08"
The month with the highest snowfall is February (36.1").
The month with the least snowfall is August (0.08").
Average snowfall days in August
Riggins, ID
- Average snowfall days in August: 0.3 days
The month with the highest number of snowfall days is March (24.9 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in August /
Average sunshine in August
Riggins, ID
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 11h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in August
Riggins, ID
- Average sunshine days in August: 21.9 days
The month with the most sunshine days is July (22.3 days).
The months with the least sunshine days are February and March (6.3 days).
Average UV index in August
Riggins, ID
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in August
Riggins, ID
- Average cloud cover in August: 13
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in August
Riggins, ID
- Average visibility in August: 6mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
