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 onset witnesses a marked shift in the average high-temperature, moving from a pleasant 68.5°F (20.3°C) in September to a fresh 52.5°F (11.4°C). Throughout October, Garneill witnesses a consistent average low-temperature of 34.9°F (1.6°C).Humidity
In October, the average relative humidity is 61%.Rainfall
In October, in Garneill, the rain falls for 10.1 days. Throughout October, 0.63" (16mm) of precipitation is accumulated. Throughout the year, in Garneill, there are 128.6 rainfall days, and 12.8" (325mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Garneill, in October, during 4.3 snowfall days, 1.65" (42mm) of snow is typically accumulated. In Garneill, during the entire year, snow falls for 72.8 days and aggregates up to 33.5" (851mm) of snow.Daylight
The average length of the day in October is 10h and 52min.On the first day of the month, sunrise is at 7:18 am and sunset at 6:58 pm. On the last day of October, sunrise is at 8:00 am and sunset at 6:04 pm MDT.
Sunshine
The average sunshine in October is 7h.UV index
The average daily maximum UV index in October in Garneill is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 in October translates into these instructions:
Be vigilant - Preventing sunburn is recommended. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Garneill in October?
What is the average humidity in October in Garneill?
How much does it rain in Garneill in October?
How many days does it snow in October in Garneill?
What is the average length of the day in October in Garneill?
When is the sunrise / sunset in October in Garneill?
How long on average sun shines in October in Garneill?
How high is the UV index in October in Garneill?
Average temperature in October
Garneill, MT
- Average high temperature in October: 52.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in October: 34.9°F
The months with the highest average low temperature are July and August (54.3°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure in October
Garneill, MT
- Average pressure in October: 30.01"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in October
Garneill, MT
- Average wind speed in October: 9.5mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in October
Garneill, MT
- Average humidity in October: 61%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (45%).
Average rainfall in October
Garneill, MT
- Average rainfall in October: 0.63"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in October
Garneill, MT
- Average rainfall days in October: 10.1 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and December (7.2 days).
Average snowfall in October
Garneill, MT
- Average snowfall in October: 1.65"
The month with the highest snowfall is April (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Garneill, MT
- Average snowfall days in October: 4.3 days
The month with the highest number of snowfall days is February (14.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Garneill, 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 36min).
- Average sunshine in October: 7h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in October
Garneill, MT
- Average sunshine days in October: 16.8 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is April (9 days).
Average UV index in October
Garneill, MT
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Garneill, MT
- Average cloud cover in October: 25
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in October
Garneill, 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).
Garneill, Montana, USA
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