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
Troy sees a considerable decrease in average high-temperatures during October, falling from an enjoyable 66°F (18.9°C) in September to a frosty 49.6°F (9.8°C). During October, Troy experiences an average low-temperature of 30.7°F (-0.7°C) at night.Humidity
In Troy, the average relative humidity in October is 76%.Rainfall
In Troy, in October, during 13.1 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 138.8 rainfall days, and 18.15" (461mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Troy, in October, during 2.5 snowfall days, 1.18" (30mm) of snow is typically accumulated. In Troy, during the entire year, snow falls for 91.8 days and aggregates up to 49.33" (1253mm) of snow.Daylight
In October, the average length of the day is 10h and 47min.On the first day of the month, sunrise is at 7:44 am and sunset at 7:21 pm. On the last day of October, sunrise is at 8:29 am and sunset at 6:24 pm MDT.
Sunshine
In Troy, the average sunshine in October is 6.4h.UV index
The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during October leads to these instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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?
How much does it snow in Troy in October?
How many hours of daylight does Troy have in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index intensity in October?
Average temperature in October
Troy, MT
- Average high temperature in October: 49.6°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in October: 30.7°F
The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).
Average pressure in October
Troy, 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 (29.92"Hg).
Average wind speed in October
Troy, MT
- Average wind speed in October: 3.8mph
The windiest months (with the highest average wind speed) are April and June (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in October
Troy, MT
- Average humidity in October: 76%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (53%).
Average rainfall in October
Troy, MT
- Average rainfall in October: 1.57"
The wettest month (with the highest rainfall) is December (2.24").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in October
Troy, MT
- Average rainfall days in October: 13.1 days
The month with the highest number of rainy days is April (17.5 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in October
Troy, MT
- Average snowfall in October: 1.18"
The month with the highest snowfall is January (11.34").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Troy, MT
- Average snowfall days in October: 2.5 days
The month with the highest number of snowfall days is December (20 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Troy, MT
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in October: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in October
Troy, MT
- Average sunshine days in October: 15.4 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (7.4 days).
Average UV index in October
Troy, 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, February, November and December (UV index 1).
Average cloud cover in October
Troy, MT
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in October
Troy, MT
- Average visibility in October: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Troy, Montana, USA
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