October weather forecastBoise, ID
October
Weather in October
October brings distinct autumn vibes to Boise, Idaho. Temperatures continue to drop steadily, creating an invigorating atmosphere in the city as tree leaves take on beautiful fall colors. Cloud cover and humidity continue to increase while daylight hours become noticeably shorter. Cooler weather also means the return of rains, with precipitation levels rising somewhat. Boise experiences a dip in temperatures in October with highs hovering around 59°F (15°C).Temperature
October indicates a noticeable reduction in the average high-temperature, moving down from a warm 76.1°F (24.5°C) in September to a refreshing 59°F (15°C). During October, the average low-temperature is recorded at a wintry 42.1°F (5.6°C).Humidity
The average relative humidity in October is 53%.Rainfall
In Boise, during October, the rain falls for 8.7 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, in Boise, there are 116.8 rainfall days, and 15.08" (383mm) of precipitation is accumulated.Snowfall
In Boise, snow does not fall in May through October.Daylight
The average length of the day in October is 11h and 0min.On the first day of the month, sunrise is at 7:43 am and sunset at 7:25 pm. On the last day of October, in Boise, sunrise is at 8:20 am and sunset at 6:36 pm MDT.
Sunshine
The average sunshine in October is 7.9h.UV index
In Boise, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 3 in October suggests the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Boise, ID
- Average high temperature in October: 59°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in October: 42.1°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in October
Boise, ID
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Boise, ID
- Average wind speed in October: 5.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in October
Boise, ID
- Average humidity in October: 53%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (30%).
Average rainfall in October
Boise, ID
- Average rainfall in October: 1.02"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in October
Boise, ID
- Average rainfall days in October: 8.7 days
The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in October
Boise, ID
- Average snowfall in October: 0"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Boise, ID
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is December (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Boise, ID
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in October: 7h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in October
Boise, ID
- Average sunshine days in October: 20.1 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in October
Boise, ID
- Average UV index in October: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Boise, ID
- Average cloud cover in October: 23
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in October
Boise, ID
- Average visibility in October: 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).
