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 Darby steps into October, a marked temperature drop is observed, with the average high-temperature reducing from September's comfortable 66.2°F (19°C) to a cool 50°F (10°C). The nighttime temperature in Darby, during October, averages of 30.4°F (-0.9°C).Humidity
In October, the average relative humidity in Darby is 69%.Rainfall
In October, the rain falls for 14.5 days. Throughout October, 1.46" (37mm) of precipitation is accumulated. In Darby, during the entire year, the rain falls for 163.6 days and collects up to 20.83" (529mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Darby, Montana. In October, it is snowing for 3.5 days. Throughout October, 1.54" (39mm) of snow is accumulated. In Darby, during the entire year, snow falls for 101.1 days and aggregates up to 59.17" (1503mm) of snow.Daylight
In October, the average length of the day in Darby, Montana, is 10h and 54min.On the first day of the month, sunrise is at 7:36 am and sunset at 7:15 pm. On the last day of October, in Darby, sunrise is at 8:17 am and sunset at 6:23 pm MDT.
Sunshine
The average sunshine in October in Darby is 7.3h.UV index
The average daily maximum UV index in October in Darby is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 in October translates into these instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. 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. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What are the temperatures in Darby in October?
What is the average humidity in October in Darby?
How many days does it rain in October in Darby?
How much does it snow in Darby in October?
How many hours of daylight does Darby have in October?
What time are sunrise and sunset in October in Darby?
How long on average sun shines in October in Darby?
How high is the UV index in October in Darby?
Average temperature in October
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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).
Darby, Montana, USA
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