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
In Roundup, the onset of October is marked by a decreased average high-temperature, declining from September's agreeable 72.7°F (22.6°C) to a moderate 56.3°F (13.5°C). In October, the average low-temperature is a cold 39.7°F (4.3°C).Humidity
In Roundup, the average relative humidity in October is 56%.Rainfall
In Roundup, during October, the rain falls for 9.5 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Roundup, during the entire year, the rain falls for 114.3 days and collects up to 12.13" (308mm) of precipitation.Snowfall
Months with snowfall in Roundup are January through May, September through December. In Roundup, Montana, in October, snow falls for 2.8 days, with typically accumulated 0.67" (17mm) of snow. In Roundup, Montana, during the entire year, snow falls for 53.5 days and aggregates up to 18.58" (472mm) of snow.Daylight
In October, the average length of the day in Roundup, Montana, is 10h and 53min.On the first day of October, sunrise is at 7:13 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 6:00 pm MDT.
Sunshine
In October, the average sunshine in Roundup, Montana, is 6.3h.UV index
In Roundup, 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 average person.Note: The maximum daily UV index of 3 during October translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Roundup?
What is the average humidity in October in Roundup?
How much does it rain in Roundup in October?
How many days does it snow in October in Roundup?
What is the average length of the day in October in Roundup?
What time are sunrise and sunset in October in Roundup?
How many hours of sunshine does Roundup have in October?
How high is the UV index in October in Roundup?
Average temperature in October
Roundup, MT
- Average high temperature in October: 56.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in October: 39.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in October
Roundup, MT
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Roundup, MT
- Average wind speed in October: 10.4mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity in October
Roundup, MT
- Average humidity in October: 56%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (39%).
Average rainfall in October
Roundup, MT
- Average rainfall in October: 0.83"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in October
Roundup, MT
- Average rainfall days in October: 9.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in October
Roundup, MT
- Average snowfall in October: 0.67"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Roundup, MT
- Average snowfall days in October: 2.8 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Roundup, MT
- Average daylight in October: 10h and 5min
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 42min).
- Average sunshine in October: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in October
Roundup, MT
- Average sunshine days in October: 17 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in October
Roundup, MT
- Average UV index in October: 3
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
Roundup, MT
- Average cloud cover in October: 32
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in October
Roundup, 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).
Roundup, Montana, USA
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