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 pleasant 70.9°F (21.6°C) to a cool 54.3°F (12.4°C). An average low-temperature of 39.4°F (4.1°C) is noted during the nights in October in Zortman.Humidity
In Zortman, the average relative humidity in October is 58%.Rainfall
In Zortman, in October, during 8.4 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 103.3 rainfall days, and 11.81" (300mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Zortman, during October, snow falls for 2.5 days and regularly aggregates up to 1.22" (31mm) of snow. In Zortman, during the entire year, snow falls for 59.6 days and aggregates up to 20.28" (515mm) of snow.Daylight
The average length of the day in October is 10h and 49min.On the first day of the month, sunrise is at 7:14 am and sunset at 6:52 pm. On the last day of October, sunrise is at 7:58 am and sunset at 5:56 pm MDT.
Sunshine
In Zortman, the average sunshine in October is 6.4h.UV index
In October, the average daily maximum UV index in Zortman is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in October translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How many days does it rain in October?
How much does it snow in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Zortman, MT
- Average high temperature in October: 54.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The months with the lowest average high temperature are January and February (25.7°F).
- Average low temperature in October: 39.4°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in October
Zortman, MT
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in October
Zortman, MT
- Average wind speed in October: 10.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in October
Zortman, MT
- Average humidity in October: 58%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall in October
Zortman, MT
- Average rainfall in October: 0.87"
The wettest months (with the highest rainfall) are May and June (1.89").
The driest months (with the least rainfall) are February and December (0.55").
Average rainfall days in October
Zortman, MT
- Average rainfall days in October: 8.4 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (4 days).
Average snowfall in October
Zortman, MT
- Average snowfall in October: 1.22"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Zortman, MT
- Average snowfall days in October: 2.5 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Zortman, 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 30min).
- Average sunshine in October: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in October
Zortman, MT
- Average sunshine days in October: 19.1 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in October
Zortman, MT
- Average UV index in October: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Zortman, MT
- Average cloud cover in October: 31
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
Zortman, MT
- 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).
Zortman, Montana, USA
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