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's arrival brings a noticeable temperature shift, dropping from a pleasant 70.9°F (21.6°C) in September to a fresh 53.8°F (12.1°C). Harrison observes an average nighttime low-temperature of 33.4°F (0.8°C) during the month of October.Humidity
In Harrison, Montana, the average relative humidity in October is 62%.Rainfall
In Harrison, Montana, in October, it is raining for 10.5 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 134.2 rainfall days, and 11.34" (288mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harrison, Montana, are January through June, September through December. In Harrison, in October, snow falls for 3.6 days, with typically accumulated 0.98" (25mm) of snow. In Harrison, during the entire year, snow falls for 79.6 days and aggregates up to 30.08" (764mm) of snow.Daylight
In October, the average length of the day is 10h and 55min.On the first day of the month, sunrise is at 7:26 am and sunset at 7:06 pm. On the last day of October, sunrise is at 8:06 am and sunset at 6:14 pm MDT.
Sunshine
In Harrison, Montana, the average sunshine in October is 7.3h.UV index
In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In October, an average UV index of 2 transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the temperature in October in Harrison?
What is the average humidity in October in Harrison?
How much does it rain in Harrison in October?
How many days does it snow in October in Harrison?
What is the average length of the day in October in Harrison?
When are sunrise and sunset in October in Harrison?
How long on average sun shines in October in Harrison?
What is the UV index reading in October in Harrison?
Average temperature in October
Harrison, MT
- Average high temperature in October: 53.8°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in October: 33.4°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (12.7°F).
Average pressure in October
Harrison, MT
- Average pressure in October: 30.05"Hg
The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Harrison, MT
- Average wind speed in October: 5.2mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in October
Harrison, MT
- Average humidity in October: 62%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (44%).
Average rainfall in October
Harrison, MT
- Average rainfall in October: 0.71"
The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in October
Harrison, MT
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is April (16.5 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in October
Harrison, MT
- Average snowfall in October: 0.98"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are July and August (0").
Average snowfall days in October
Harrison, MT
- Average snowfall days in October: 3.6 days
The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in October /
Average sunshine in October
Harrison, MT
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in October: 7h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in October
Harrison, MT
- Average sunshine days in October: 16.3 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in October
Harrison, MT
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Harrison, MT
- Average cloud cover in October: 27
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in October
Harrison, MT
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Harrison, Montana, USA
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