Tattnall
Montana, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Tattnall, MT

January, like December, is a freezing cold winter month in Tattnall, Montana, with temperature in the range of an average high of 24.6°F (-4.1°C) and an average low of 10.8°F (-11.8°C). In Tattnall, the average high-temperature in January is essentially the same as in December - a still freezing cold 24.6°F (-4.1°C). Weather in January »

The last month of the winter, February, is also a subzero cold month in Tattnall, Montana, with average temperature ranging between max 24.4°F (-4.2°C) and min 10°F (-12.2°C). February is the coldest month, with an average high-temperature of 24.4°F (-4.2°C) and an average low-temperature of 10°F (-12.2°C). Weather in February »

March, the first month of the spring, in Tattnall, is a wintry month, with average temperature varying between 24.3°F (-4.3°C) and 38.3°F (3.5°C). In Tattnall, the average high-temperature in March increases, from a freezing cold 24.4°F (-4.2°C) in February, to a cold 38.3°F (3.5°C). Weather in March »

April in Tattnall, Montana, is a cool spring month, with average temperature fluctuating between 36.1°F (2.3°C) and 53.1°F (11.7°C). In April, the average high-temperature soars, from a cold 38.3°F (3.5°C) in March, to a fresh 53.1°F (11.7°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Tattnall, Montana, with average temperature varying between 46.9°F (8.3°C) and 65.8°F (18.8°C). In May, the average high-temperature increases, from a fresh 53.1°F (11.7°C) in April, to a comfortable 65.8°F (18.8°C). Weather in May »

June, the first month of the summer, in Tattnall, is a moderately hot month, with average temperature varying between 75°F (23.9°C) and 55.4°F (13°C). In Tattnall, Montana, the average high-temperature increases, from an enjoyable 65.8°F (18.8°C) in May, to a moderately hot 75°F (23.9°C). Weather in June »

July, the same as June, is another warm summer month in Tattnall, Montana, with average temperature ranging between max 84°F (28.9°C) and min 63.1°F (17.3°C). With an average high-temperature of 84°F (28.9°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month. In July, the average heat index is estimated at 83.8°F (28.8°C). Weather in July »

August, the last month of the summer, in Tattnall, is another warm month, with average temperature varying between 62.1°F (16.7°C) and 82.8°F (28.2°C). In Tattnall, the average high-temperature is relatively the same as in July - a still warm 82.8°F (28.2°C). Weather in August »

September, the first month of the autumn, in Tattnall, is also an agreeable month, with average temperature varying between 53.2°F (11.8°C) and 71.1°F (21.7°C). In September, the average high-temperature drops, from a warm 82.8°F (28.2°C) in August, to a pleasant 71.1°F (21.7°C). Weather in September »

October, like September, in Tattnall, Montana, is a cool autumn month, with average temperature fluctuating between 39.4°F (4.1°C) and 54.3°F (12.4°C). In Tattnall, the average high-temperature in October declines considerably, from a pleasant 71.1°F (21.7°C) in September, to a cool 54.3°F (12.4°C). Weather in October »

The last month of the autumn, November, is another cold month in Tattnall, Montana, with average temperature fluctuating between 38.8°F (3.8°C) and 25.7°F (-3.5°C). In Tattnall, the average high-temperature in November plummets, from a cool 54.3°F (12.4°C) in October, to a cold 38.8°F (3.8°C). Weather in November »

December, the first month of the winter, in Tattnall, is still a freezing cold month, with average temperature varying between 24.8°F (-4°C) and 12.7°F (-10.7°C). In December, the average high-temperature drops, from a wintry 38.8°F (3.8°C) in November, to a subzero cold 24.8°F (-4°C). Weather in December »

What is the most humid month in Tattnall?

With an average relative humidity of 85%, January is the most humid month in Tattnall.

How many days does it rain in Tattnall?

In Tattnall, Montana, during the entire year, the rain falls for 91.8 days and collects up to 10.63" (270mm) of precipitation.

When does it snow in Tattnall?

Months with snowfall in Tattnall are January through May, October through December.

How much does it snow in Tattnall?

Throughout the year, there are 56.9 snowfall days, and 17.95" (456mm) of snow is accumulated.

What is the month with the lowest UV index in Tattnall?

Months with the lowest UV index in Tattnall are January through March, October through December, with an average maximum UV index of 2.

What is the coldest month in Tattnall?

With an average high-temperature of 24.4°F (-4.2°C) and an average low-temperature of 10°F (-12.2°C), February is the coldest month in Tattnall.

What is the driest month in Tattnall?

The month with the least rainfall is February when the rain falls for 3.3 days and typically collects 0.43" (11mm) of precipitation.

What is the month with the least sunshine in Tattnall?

With an average of 4.6h of sunshine, February has the least sunshine of the year.

What is the wettest month in Tattnall?

May is the month with the most rainfall in Tattnall. Rain falls for 12.7 days and accumulates 1.73" (44mm) of precipitation.

When it does not snow in Tattnall?

In Tattnall, Montana, snow does not fall in June through September.

When are the longest days in Tattnall?

June has the longest days of the year in Tattnall, Montana, with an average of 16.1h of daylight.

What is the warmest month in Tattnall?

With an average high-temperature of 84°F (28.9°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month in Tattnall, Montana.

What month has the most sunshine in Tattnall?

The month with the most sunshine in Tattnall is July, with an average of 11.7h of sunshine.

When is the highest UV index in Tattnall?

With an average maximum UV index of 7, July is the month with the highest UV index in Tattnall, Montana.

What is the least humid month in Tattnall?

The least humid month in Tattnall, Montana, is August, with an average relative humidity of 41%.

When does it snow the most in Tattnall?

The month with the most snowfall in Tattnall is December when snow falls for 11.8 days and typically aggregates up to 3.43" (87mm) of snow.

What is the month with the shortest days in Tattnall?

With an average of 8.4h of daylight, December has the shortest days of the year in Tattnall.
Average temperature - Tattnall, MT
Average rainfall - Tattnall, MT
Average rainfall days - Tattnall, MT

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 - Tattnall, MT
Average snowfall days - Tattnall, MT

The month with the highest number of snowfall days is January (12.3 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Tattnall, MT

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.4h).

The month with the most sunshine is July (Average sunshine: 11.7h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average UV index - Tattnall, MT