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 signals a distinct temperature shift, dropping from an enjoyable 66.2°F (19°C) in September to a fresh 50°F (10°C). During October, Grantsdale experiences an average low-temperature of 30.4°F (-0.9°C) at night.Humidity
The average relative humidity in October in Grantsdale is 69%.Rainfall
In Grantsdale, in October, it is raining for 14.5 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 163.6 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Grantsdale. In October, in Grantsdale, it is snowing for 3.5 days. Throughout October, 1.54" (39mm) of snow is accumulated. Throughout the year, there are 101.1 snowfall days, and 59.17" (1503mm) of snow is accumulated.Daylight
In Grantsdale, the average length of the day in October is 10h and 53min.On the first day of October in Grantsdale, sunrise is at 7:36 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 6:23 pm MDT.
Sunshine
In Grantsdale, the average sunshine in October is 7.3h.UV index
In Grantsdale, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In October, the average maximum UV index of 2 translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the temperature in October in Grantsdale?
What is the average humidity in October in Grantsdale?
How much does it rain in Grantsdale in October?
How many days does it snow in October in Grantsdale?
How many hours of daylight does Grantsdale have in October?
When are sunrise and sunset in October in Grantsdale?
How long on average sun shines in October in Grantsdale?
How high is the UV index in October in Grantsdale?
Average temperature in October
Grantsdale, MT
- Average high temperature in October: 50°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in October: 30.4°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).
Average pressure in October
Grantsdale, MT
- Average pressure in October: 30.06"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Grantsdale, MT
- Average wind speed in October: 4.8mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in October
Grantsdale, MT
- Average humidity in October: 69%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).
Average rainfall in October
Grantsdale, MT
- Average rainfall in October: 1.46"
The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days in October
Grantsdale, MT
- Average rainfall days in October: 14.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).
Average snowfall in October
Grantsdale, MT
- Average snowfall in October: 1.54"
The month with the highest snowfall is February (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Grantsdale, MT
- Average snowfall days in October: 3.5 days
The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Grantsdale, 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 42min).
- Average sunshine in October: 7h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in October
Grantsdale, MT
- Average sunshine days in October: 13.1 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in October
Grantsdale, 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 February and December (UV index 1).
Average cloud cover in October
Grantsdale, MT
- Average cloud cover in October: 31
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in October
Grantsdale, MT
- Average visibility in October: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Grantsdale, Montana, USA
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