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
As Alder steps into October, a marked temperature drop is observed, with the average high-temperature reducing from September's enjoyable 67.6°F (19.8°C) to a cool 50.7°F (10.4°C). Alder observes an average low-temperature of 30.9°F (-0.6°C) during October nights.Humidity
In Alder, the average relative humidity in October is 63%.Rainfall
In Alder, in October, it is raining for 13.1 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 158 rainfall days, and 12.2" (310mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. 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 Alder, there are 20.8 snowfall days, and 5.12" (130mm) of snow is accumulated.Daylight
The average length of the day in October in Alder is 10h and 56min.On the first day of October in Alder, sunrise is at 7:27 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 6:16 pm MDT.
Sunshine
In October, the average sunshine in Alder 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 vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during October translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Alder?
What is the average humidity in October in Alder?
How much does it rain in Alder in October?
When does it start to snow in Alder?
How many hours of daylight does Alder have in October?
When is the sunrise / sunset in October in Alder?
How many hours of sunshine does Alder have in October?
What are the months with the lowest UV index in Alder?
What is the UV index reading in October in Alder?
Average temperature in October
Alder, 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
Alder, 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
Alder, 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
Alder, 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
Alder, 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
Alder, 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
Alder, 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
Alder, 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
Alder, 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
Alder, 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
Alder, 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
Alder, 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
Alder, 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).
Alder, Montana, USA
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