Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October is characterized by a clear drop in the average high-temperature, falling from September's agreeable 73°F (22.8°C) to a fresh 54.7°F (12.6°C). Nighttime temperatures hover around an average low of 40.1°F (4.5°C) in October.Humidity
In October, the average relative humidity is 58%.Rainfall
In October, the rain falls for 8.2 days. Throughout October, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 102.6 rainfall days, and 13.35" (339mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows in Richey. Throughout October, in the average 2.4 snowfall days, it receives 0.47" (12mm) of snow. In Richey, during the entire year, snow falls for 58.7 days and aggregates up to 17.28" (439mm) of snow.Daylight
In October, the average length of the day is 10h and 50min.On the first day of the month, sunrise is at 7:00 am and sunset at 6:38 pm. On the last day of October, sunrise is at 7:44 am and sunset at 5:43 pm MDT.
Sunshine
The average sunshine in October is 6.3h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 3 in October translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the average humidity in October?
How much does it rain in October?
When does it start snowing?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Richey, MT
- Average high temperature in October: 54.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in October: 40.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in October
Richey, MT
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in October
Richey, MT
- Average wind speed in October: 11.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in October
Richey, MT
- Average humidity in October: 58%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).
Average rainfall in October
Richey, MT
- Average rainfall in October: 0.79"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in October
Richey, MT
- Average rainfall days in October: 8.2 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).
Average snowfall in October
Richey, MT
- Average snowfall in October: 0.47"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Richey, MT
- Average snowfall days in October: 2.4 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Richey, MT
- Average daylight in October: 10h and 5min
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 October: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in October
Richey, MT
- Average sunshine days in October: 19.2 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in October
Richey, MT
- 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 November and December (UV index 1).
Average cloud cover in October
Richey, MT
- Average cloud cover in October: 32
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in October
Richey, MT
- Average visibility in October: 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).
Richey, Montana, USA
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