Monthly weather forecast and climate
Mill Iron, MT

January, the same as December, in Mill Iron, Montana, is another subzero cold winter month, with temperature in the range of an average high of 26.1°F (-3.3°C) and an average low of 13.3°F (-10.4°C). The coldest month is January, with an average high-temperature of 26.1°F (-3.3°C) and an average low-temperature of 13.3°F (-10.4°C). Weather in January »

The last month of the winter, February, is another freezing cold month in Mill Iron, Montana, with average temperature ranging between min 13.5°F (-10.3°C) and max 26.8°F (-2.9°C). In Mill Iron, Montana, the average high-temperature is relatively the same as in January - a still subzero cold 26.8°F (-2.9°C). Weather in February »

The first month of the spring, March, is a wintry month in Mill Iron, Montana, with average temperature fluctuating between 41.7°F (5.4°C) and 26.4°F (-3.1°C). In March, the average high-temperature soars, from a subzero cold 26.8°F (-2.9°C) in February, to a wintry 41.7°F (5.4°C). Weather in March »

April in Mill Iron, Montana, is a cool spring month, with average temperature ranging between max 51.8°F (11°C) and min 34.9°F (1.6°C). In Mill Iron, the average high-temperature increases, from a wintry 41.7°F (5.4°C) in March, to a cool 51.8°F (11°C). Weather in April »

The last month of the spring, May, is a comfortable month in Mill Iron, Montana, with average temperature ranging between max 63.5°F (17.5°C) and min 45.3°F (7.4°C). In Mill Iron, the average high-temperature rises, from a fresh 51.8°F (11°C) in April, to a comfortable 63.5°F (17.5°C). Weather in May »

June, the first month of the summer, in Mill Iron, is a moderately hot month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 75.2°F (24°C). In Mill Iron, the average high-temperature rises, from an enjoyable 63.5°F (17.5°C) in May, to a moderately hot 75.2°F (24°C). Weather in June »

July, like June, in Mill Iron, Montana, is a moderately hot summer month, with average temperature varying between 84°F (28.9°C) and 63.3°F (17.4°C). The warmest month is July, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 63.3°F (17.4°C). In July, the average heat index is estimated at 84.7°F (29.3°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Mill Iron, Montana, with average temperature varying between 81.9°F (27.7°C) and 62.2°F (16.8°C). In August, the average high-temperature is almost the same as in July - a still warm 81.9°F (27.7°C). Weather in August »

September, the first month of the autumn, in Mill Iron, is still a pleasant month, with average temperature varying between 72.1°F (22.3°C) and 54.1°F (12.3°C). In Mill Iron, the average high-temperature in September decreases, from a warm 81.9°F (27.7°C) in August, to a pleasant 72.1°F (22.3°C). Weather in September »

October, like September, in Mill Iron, Montana, is a cool autumn month, with average temperature varying between 39.4°F (4.1°C) and 54.3°F (12.4°C). In October, the average high-temperature significantly decreases, from an agreeable 72.1°F (22.3°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 Mill Iron, Montana, with average temperature ranging between max 40.1°F (4.5°C) and min 26.8°F (-2.9°C). In Mill Iron, Montana, the average high-temperature drops, from a cool 54.3°F (12.4°C) in October, to a cold 40.1°F (4.5°C). Weather in November »

December, the first month of the winter, in Mill Iron, is also a subzero cold month, with temperature in the range of an average low of 14.9°F (-9.5°C) and an average high of 26.6°F (-3°C). In December, the average high-temperature drops, from a wintry 40.1°F (4.5°C) in November, to a subzero cold 26.6°F (-3°C). Weather in December »

What is the coldest month in Mill Iron?

With an average high-temperature of 26.1°F (-3.3°C) and an average low-temperature of 13.3°F (-10.4°C), January is the coldest month in Mill Iron.

What is the most humid month in Mill Iron?

January is the most humid month, with an average relative humidity of 85%.

How much does it rain in Mill Iron?

Throughout the year, in Mill Iron, Montana, there are 109 rainfall days, and 15.12" (384mm) of precipitation is accumulated.

What is the driest month in Mill Iron?

Months with the least rainfall are January and December Rain falls for 3.1 days and accumulates 0.55" (14mm) of rain.

When does it snow in Mill Iron?

January through May, September through December are months with snowfall in Mill Iron, Montana.

How many days does it snow in Mill Iron?

In Mill Iron, during the entire year, snow falls for 62.4 days, and aggregates up to 21.97" (558mm) of snow.

What is the month with the lowest UV index in Mill Iron?

Months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the snowiest month in Mill Iron?

The month with the most snowfall in Mill Iron is February when snow falls for 12 days and typically aggregates up to 3.86" (98mm) of snow.

What is the month with the least sunshine in Mill Iron?

February and December, with an average of 4.8h of sunshine, are months with the least sunshine in Mill Iron, Montana.

What is the rainiest month in Mill Iron?

May is the month with the most rainfall in Mill Iron. Rain falls for 15.7 days and accumulates 2.6" (66mm) of precipitation.

When it does not snow in Mill Iron?

In Mill Iron snow does not fall in June through August.

When are the longest days in Mill Iron?

With an average of 15.7h of daylight, June has the longest days of the year.

What is the warmest month in Mill Iron?

July is the warmest month in Mill Iron, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 63.3°F (17.4°C).

What are the months with the most sunshine in Mill Iron?

July and August, with an average of 11.6h of sunshine, are months with the most sunshine in Mill Iron, Montana.

What is the month with the highest UV index in Mill Iron?

The month with the highest UV index is July, with an average maximum UV index of 7.

What is the least humid month in Mill Iron?

With an average relative humidity of 46%, August is the least humid month in Mill Iron.

What is the month with the shortest days in Mill Iron?

December has the shortest days of the year, with an average of 8.7h of daylight.
Average temperature - Mill Iron, MT
Average pressure - Mill Iron, MT

Months with the highest atmospheric pressure are January and February (30.15").
The month with the lowest atmospheric pressure is June (29.84").

Average wind speed - Mill Iron, MT

The windiest months (with the highest average wind speed) are April and October (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (10.1mph).

Average rainfall - Mill Iron, MT

The wettest month (with the highest rainfall) is May (2.6").
The driest months (with the least rainfall) are January and December (0.55").

Average rainfall days - Mill Iron, MT

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (3.1 days).

Average snowfall - Mill Iron, MT
Average snowfall days - Mill Iron, MT

The month with the highest number of snowfall days is February (12 days).
Months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine - Mill Iron, MT

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

Months with the most sunshine are July and August (Average sunshine: 11.6h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

Average sunshine days - Mill Iron, MT

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).

Average visibility - Mill Iron, MT

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).