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
The beginning of October marks a clear shift in the average high-temperature, receding from September's comfortable 67.6°F (19.8°C) to a fresh 50.7°F (10.4°C). Mammoth sees an average low-temperature of 30.9°F (-0.6°C) during October.Humidity
The average relative humidity in October is 63%.Rainfall
In Mammoth, during October, the rain falls for 13.1 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Mammoth, during the entire year, the rain falls for 158 days and collects up to 12.2" (310mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, in Mammoth, there are 20.8 snowfall days, and 5.12" (130mm) of snow is accumulated.Daylight
The average length of the day in October in Mammoth is 10h and 55min.On the first day of the month, sunrise is at 7:27 am and sunset at 7:07 pm. On the last day of October, sunrise is at 8:07 am and sunset at 6:15 pm MDT.
Sunshine
In Mammoth, the average sunshine in October is 7.3h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 during October leads to these advisories:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What is the temperature in October in Mammoth?
What is the average humidity in October in Mammoth?
How much does it rain in Mammoth in October?
When does it start to snow in Mammoth?
What is the average length of the day in October in Mammoth?
When is the sunrise / sunset in October in Mammoth?
How many hours of sunshine does Mammoth have in October?
What are the months with the lowest UV index in Mammoth?
What is the UV index intensity in October in Mammoth?
Average temperature in October
Mammoth, MT
- Average high temperature in October: 50.7°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in October: 30.9°F
The month with the highest average low temperature is July (47.7°F).
The coldest month (with the lowest average low temperature) is December (11.3°F).
Average pressure in October
Mammoth, MT
- Average pressure in October: 30.06"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Mammoth, MT
- Average wind speed in October: 5.9mph
The windiest month (with the highest average wind speed) is November (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in October
Mammoth, MT
- Average humidity in October: 63%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall in October
Mammoth, MT
- Average rainfall in October: 0.87"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in October
Mammoth, MT
- Average rainfall days in October: 13.1 days
The month with the highest number of rainy days is April (18.6 days).
The month with the least rainy days is August (8.6 days).
Average snowfall in October
Mammoth, MT
- Average snowfall in October: 0.28"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Mammoth, MT
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Mammoth, MT
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
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 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in October
Mammoth, MT
- Average sunshine days in October: 15.8 days
The month with the most sunshine days is July (17.8 days).
The month with the least sunshine days is April (7.8 days).
Average UV index in October
Mammoth, MT
- Average UV index in October: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in October
Mammoth, MT
- Average cloud cover in October: 26
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in October
Mammoth, 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 months with the lowest visibility are January, February and December (5mi).
Mammoth, Montana, USA
Weather forecast for your location
2. Allow the app to use your location
