Monthly weather forecast and climate
Otter, MT

Weather in January

January, like December, is a freezing cold winter month in Otter, Montana, with average temperature ranging between min 16.2°F (-8.8°C) and max 31.8°F (-0.1°C). In January, the average high-temperature is essentially the same as in December - a still subzero cold 31.8°F (-0.1°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Otter, Montana, with average temperature fluctuating between 31.6°F (-0.2°C) and 16.2°F (-8.8°C). In Otter, the average high-temperature is practically the same as in January - a still freezing cold 31.6°F (-0.2°C). Weather in February »

Weather in March

March, the first month of the spring, in Otter, is a chilly month, with average temperature fluctuating between 28.2°F (-2.1°C) and 45°F (7.2°C). In Otter, the average high-temperature rises, from a subzero cold 31.6°F (-0.2°C) in February, to a frosty 45°F (7.2°C). Weather in March »

Weather in April

April in Otter, Montana, is a fresh spring month, with average temperature ranging between min 34.2°F (1.2°C) and max 53.1°F (11.7°C). In Otter, the average high-temperature in April marginally rises, from a frosty 45°F (7.2°C) in March, to a fresh 53.1°F (11.7°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Otter, Montana, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 43.5°F (6.4°C). In Otter, the average high-temperature increases, from a cool 53.1°F (11.7°C) in April, to an enjoyable 63.7°F (17.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Otter, Montana, with average temperature fluctuating between 75.7°F (24.3°C) and 52.9°F (11.6°C). In June, the average high-temperature increases, from an enjoyable 63.7°F (17.6°C) in May, to a warm 75.7°F (24.3°C). Weather in June »

Weather in July

July, like June, in Otter, Montana, is a moderately hot summer month, with average temperature fluctuating between 61.5°F (16.4°C) and 85.5°F (29.7°C). The warmest month is July, with an average high-temperature of 85.5°F (29.7°C) and an average low-temperature of 61.5°F (16.4°C). The average heat index is calculated to 85.5°F (29.7°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Otter, Montana, with average temperature fluctuating between 83.7°F (28.7°C) and 60.4°F (15.8°C). In Otter, Montana, the average high-temperature in August is practically the same as in July - a still moderately hot 83.7°F (28.7°C). Weather in August »

Weather in September

September, the first month of the autumn, in Otter, is also a moderately hot month, with average temperature ranging between max 74.1°F (23.4°C) and min 52.7°F (11.5°C). In September, the average high-temperature decreases, from a warm 83.7°F (28.7°C) in August, to a still moderately hot 74.1°F (23.4°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Otter, Montana, with average temperature varying between 56.8°F (13.8°C) and 39°F (3.9°C). In October, the average high-temperature declines considerably, from a warm 74.1°F (23.4°C) in September, to a mild 56.8°F (13.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Otter, Montana, with average temperature fluctuating between 43.3°F (6.3°C) and 27.1°F (-2.7°C). In November, the average high-temperature decreases, from a moderate 56.8°F (13.8°C) in October, to a frosty 43.3°F (6.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Otter, is still a freezing cold month, with average temperature fluctuating between 31.1°F (-0.5°C) and 16.7°F (-8.5°C). The coldest month is December, with an average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 16.7°F (-8.5°C). Weather in December »
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FAQ

What is the most humid month in Otter?

January and February, with an average relative humidity of 79%, are most humid months in Otter, Montana.

How many days does it rain in Otter?

In Otter, Montana, during the entire year, the rain falls for 127.6 days and collects up to 14.25" (362mm) of precipitation.

When does it snow in Otter?

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

How much does it snow in Otter?

In Otter, during the entire year, snow falls for 65.3 days, and aggregates up to 28.82" (732mm) of snow.

What are the months with the lowest UV index in Otter?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Otter, Montana.

What is the snowiest month in Otter?

The month with the most snowfall is February when snow falls for 14.3 days and typically aggregates up to 5.2" (132mm) of snow.

What is the month with the least sunshine in Otter?

The month with the least sunshine is February, with an average of 5.7h of sunshine.

What is the wettest month in Otter?

May is the month with the most rainfall in Otter. Rain falls for 18 days and accumulates 2.64" (67mm) of precipitation.

When it does not snow in Otter?

In Otter snow does not fall in June through August.

When are the longest days in Otter?

With an average of 15.6h of daylight, June has the longest days of the year in Otter, Montana.

What is the warmest month in Otter?

July is the warmest month, with an average high-temperature of 85.5°F (29.7°C) and an average low-temperature of 61.5°F (16.4°C).

What are the months with the most sunshine in Otter?

Months with the most sunshine in Otter are July and August, with an average of 11.9h of sunshine.

What is the month with the highest UV index in Otter?

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

What is the least humid month in Otter?

August is the least humid month, with an average relative humidity of 40%.

What is the coldest month in Otter?

The coldest month in Otter, Montana, is December, with an average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 16.7°F (-8.5°C).

What is the driest month in Otter?

December is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.67" (17mm) of precipitation.

What is the month with the shortest days in Otter?

With an average of 8.8h of daylight, December has the shortest days of the year in Otter, Montana.

Average temperature
Otter, MT

Average temperature - Otter, MT

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (31.1°F).

The month with the highest average low temperature is July (61.5°F).
The coldest months (with the lowest average low temperature) are January and February (16.2°F).

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Average pressure
Otter, MT

Average pressure - Otter, MT

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed
Otter, MT

Average wind speed - Otter, MT

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and December (6.8mph).

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Average humidity
Otter, MT

Average humidity - Otter, MT

Months with the highest relative humidity are January and February (79%).
The month with the lowest relative humidity is August (40%).

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Average rainfall
Otter, MT

Average rainfall - Otter, MT

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is December (0.67").

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Average rainfall days
Otter, MT

Average rainfall days - Otter, MT

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall
Otter, MT

Average snowfall - Otter, MT

The month with the highest snowfall is February (5.2").
Months with the least snowfall are June, July and August (0").

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Average snowfall days
Otter, MT

Average snowfall days - Otter, MT

The month with the highest number of snowfall days is February (14.3 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Otter, MT

Average daylight / Average sunshine - Otter, MT

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

Months with the most sunshine are July and August (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 5.7h).

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Average sunshine days
Otter, MT

Average sunshine days - Otter, MT

The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is May (9.6 days).

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Average UV index
Otter, MT

Average UV index - Otter, MT

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Otter, MT

Average visibility - Otter, 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).

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