October weather forecastTattnall, MT
October
Weather in October
October, like September, in Tattnall, Montana, is another fresh autumn month, with an average temperature varying between 54.3°F (12.4°C) and 39.4°F (4.1°C).Temperature
The onset of October witnesses a clear shift in the average high-temperature, dropping from a pleasant 71.1°F (21.7°C) in September to a cool 54.3°F (12.4°C). Tattnall observes an average nighttime low-temperature of 39.4°F (4.1°C) during the month of October.Humidity
In Tattnall, the average relative humidity in October is 58%.Rainfall
In Tattnall, during October, the rain falls for 7.3 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 91.8 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 2 snowfall days, it receives 1.14" (29mm) of snow. Throughout the year, there are 56.9 snowfall days, and 17.95" (456mm) of snow is accumulated.Daylight
In Tattnall, the average length of the day in October is 10h and 47min.On the first day of October, sunrise is at 7:10 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:51 pm MDT.
Sunshine
In October, the average sunshine is 6.3h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in October interprets into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Tattnall, MT
- Average high temperature in October: 54.3°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).
- Average low temperature in October: 39.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).
Average pressure in October
Tattnall, MT
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in October
Tattnall, MT
- Average wind speed in October: 10.7mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).
Average humidity in October
Tattnall, MT
- Average humidity in October: 58%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).
Average rainfall in October
Tattnall, MT
- Average rainfall in October: 0.71"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in October
Tattnall, MT
- Average rainfall days in October: 7.3 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in October
Tattnall, MT
- Average snowfall in October: 1.14"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Tattnall, MT
- Average snowfall days in October: 2 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Tattnall, MT
- Average daylight in October: 10h and 48min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in October: 6h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in October
Tattnall, MT
- Average sunshine days in October: 21 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).
Average UV index in October
Tattnall, MT
- Average UV index in October: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in October
Tattnall, MT
- Average cloud cover in October: 32
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in October
Tattnall, MT
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
