October weather forecastGreenough, MT
October
Weather in October
October, like September, is a frosty autumn month in Greenough, Montana, with temperature in the range of an average low of 29.5°F (-1.4°C) and an average high of 49.8°F (9.9°C).Temperature
October's arrival signals a significant decrease in average high-temperatures, falling from September's comfortable 67.1°F (19.5°C) to a frosty 49.8°F (9.9°C). Throughout the nights in October, Greenough experiences an average low-temperature of 29.5°F (-1.4°C).Humidity
In Greenough, the average relative humidity in October is 71%.Rainfall
In October, the rain falls for 3.5 days. Throughout October, 0.12" (3mm) of precipitation is accumulated. In Greenough, during the entire year, the rain falls for 46.4 days and collects up to 2.4" (61mm) of precipitation.Snowfall
Months with snowfall in Greenough are January through June, September through December. In October, it is snowing for 2.4 days. Throughout October, 0.51" (13mm) of snow is accumulated. In Greenough, Montana, during the entire year, snow falls for 31.4 days and aggregates up to 7.64" (194mm) of snow.Daylight
In Greenough, the average length of the day in October is 10h and 52min.On the first day of October, sunrise is at 7:33 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 8:15 am and sunset at 6:18 pm MDT.
Sunshine
In Greenough, the average sunshine in October is 7.2h.UV index
In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in October suggests the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Enhance your sun protection with tightly woven, yet airy clothing. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Greenough, MT
- Average high temperature in October: 49.8°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.1°F).
- Average low temperature in October: 29.5°F
The months with the highest average low temperature are July and August (45.5°F).
The coldest month (with the lowest average low temperature) is December (12.2°F).
Average pressure in October
Greenough, MT
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Greenough, MT
- Average wind speed in October: 5.2mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in October
Greenough, MT
- Average humidity in October: 71%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in October
Greenough, MT
- Average rainfall in October: 0.12"
The wettest month (with the highest rainfall) is June (0.43").
The driest month (with the least rainfall) is December (0.08").
Average rainfall days in October
Greenough, MT
- Average rainfall days in October: 3.5 days
The month with the highest number of rainy days is April (6.8 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in October
Greenough, MT
- Average snowfall in October: 0.51"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are July and August (0").
Average snowfall days in October
Greenough, MT
- Average snowfall days in October: 2.4 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in October /
Average sunshine in October
Greenough, MT
- Average daylight in October: 10h and 54min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in October: 7h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in October
Greenough, MT
- Average sunshine days in October: 25.5 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is April (21.9 days).
Average UV index in October
Greenough, MT
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Greenough, MT
- Average cloud cover in October: 31
The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in October
Greenough, MT
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
