Climate and monthly weather forecast
Island Park, ID

Weather in January

January, the same as December, in Island Park, Idaho, is another subzero cold winter month, with temperature in the range of an average low of 6.8°F (-14°C) and an average high of 24.1°F (-4.4°C). In January, the average high-temperature is relatively the same as in December - a still subzero cold 24.1°F (-4.4°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Island Park, Idaho, with an average temperature ranging between max 25.2°F (-3.8°C) and min 9.7°F (-12.4°C). In February, the average high-temperature is practically the same as in January - a still freezing cold 25.2°F (-3.8°C). Weather in February »

Weather in March

March, the first month of the spring in Island Park, is a wintry month, with temperature in the range of an average high of 32.9°F (0.5°C) and an average low of 16.9°F (-8.4°C). In Island Park, the average high-temperature in March marginally rises from a subzero cold 25.2°F (-3.8°C) in February to a wintry 32.9°F (0.5°C). Weather in March »

Weather in April

April, the same as March, is another cold spring month in Island Park, Idaho, with an average temperature fluctuating between 23.9°F (-4.5°C) and 42.4°F (5.8°C). In Island Park, the average high-temperature in April increases from a cold 32.9°F (0.5°C) in March to a still wintry 42.4°F (5.8°C). Weather in April »

Weather in May

May, the last month of the spring in Island Park, is a moderate month, with an average temperature fluctuating between 55.9°F (13.3°C) and 33.3°F (0.7°C). In Island Park, the average high-temperature in May increases from a wintry 42.4°F (5.8°C) in April to a moderate 55.9°F (13.3°C). Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in Island Park, Idaho, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 66°F (18.9°C). In June, the average high-temperature rises from a moderate 55.9°F (13.3°C) in May to an enjoyable 66°F (18.9°C). Weather in June »

Weather in July

July in Island Park, Idaho, is a warm summer month, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 77.4°F (25.2°C). The warmest month is July, with an average high-temperature of 77.4°F (25.2°C) and an average low-temperature of 46°F (7.8°C). Weather in July »

Weather in August

August, the last month of the summer in Island Park, is also a moderately hot month, with an average temperature ranging between max 75.7°F (24.3°C) and min 46.6°F (8.1°C). In Island Park, the average high-temperature in August is essentially the same as in July - a still moderately hot 75.7°F (24.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Island Park, is still a comfortable month, with an average temperature fluctuating between 40.1°F (4.5°C) and 65.8°F (18.8°C). In Island Park, the average high-temperature in September decreases from a warm 75.7°F (24.3°C) in August to a comfortable 65.8°F (18.8°C). Weather in September »

Weather in October

October, the same as September, in Island Park, Idaho, is another chilly autumn month, with an average temperature varying between 28.9°F (-1.7°C) and 47.8°F (8.8°C). In Island Park, the average high-temperature in October plummets from an enjoyable 65.8°F (18.8°C) in September to a chilly 47.8°F (8.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Island Park, Idaho, with an average temperature varying between 33.1°F (0.6°C) and 17.2°F (-8.2°C). In Island Park, the average high-temperature in November declines considerably from a frosty 47.8°F (8.8°C) in October to a wintry 33.1°F (0.6°C). Weather in November »

Weather in December

December, the first month of the winter in Island Park, is also a subzero cold month, with an average temperature fluctuating between 6.8°F (-14°C) and 22.3°F (-5.4°C). December is the coldest month, with an average high-temperature of 22.3°F (-5.4°C) and an average low-temperature of 6.8°F (-14°C). Weather in December »
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FAQ

What is the most humid month in Island Park?

January and February, with an average relative humidity of 94%, are most humid months in Island Park.

How much does it rain in Island Park?

Throughout the year, there are 106.1 rainfall days, and 20.83" (529mm) of precipitation is accumulated.

When does it snow in Island Park?

January through July, September through December are months with snowfall in Island Park, Idaho.

What is the snowiest month in Island Park?

January is the month with the most snowfall. Snow falls for 21.8 days and accumulates 19.84" (504mm) of snow.

How much does it snow in Island Park?

In Island Park, Idaho, during the entire year, snow falls for 138.1 days and aggregates up to 107.64" (2734mm) of snow.

What is the month with the least sunshine in Island Park?

The month with the least sunshine is January, with an average of 3.8h of sunshine.

When is the lowest UV index in Island Park?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Island Park, Idaho.

What is the wettest month in Island Park?

The month with the most rainfall is February, when the rain falls for 5.2 days and typically aggregates up to 2.64" (67mm) of precipitation.

When is Daylight Saving Time (DST) in Island Park?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Island Park, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

When are the longest days in Island Park?

The month with the longest days is June, with an average of 15h and 29min of daylight.

What are the months with the highest UV index in Island Park?

The months with the highest UV index are June and July, with an average maximum UV index of 5.

What is the warmest month in Island Park?

With an average high-temperature of 77.4°F (25.2°C) and an average low-temperature of 46°F (7.8°C), July is the warmest month in Island Park.

What is the driest month in Island Park?

July is the month with the least rainfall in Island Park, Idaho. Rain falls for 6.8 days and accumulates 0.47" (12mm) of precipitation.

What month has the most sunshine in Island Park?

The month with the most sunshine in Island Park, Idaho, is July, with an average of 12h of sunshine.

What is the least humid month in Island Park?

With an average relative humidity of 47%, August is the least humid month in Island Park, Idaho.

When it does not snow in Island Park?

August is the only month when snow does not fall in Island Park, Idaho.

What is the coldest month in Island Park?

December is the coldest month, with an average high-temperature of 22.3°F (-5.4°C) and an average low-temperature of 6.8°F (-14°C).

What is the month with the shortest days in Island Park?

December has the shortest days of the year in Island Park, Idaho, with an average of 8h and 55min of daylight.

Average temperature
Island Park, ID

Average temperature - Island Park, ID

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).

The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).

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Average pressure
Island Park, ID

Average pressure - Island Park, ID

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Island Park, ID

Average wind speed - Island Park, ID

The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).

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Average humidity
Island Park, ID

Average humidity - Island Park, ID

The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).

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Average rainfall
Island Park, ID

Average rainfall - Island Park, ID

The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days
Island Park, ID

Average rainfall days - Island Park, ID

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall
Island Park, ID

Average snowfall - Island Park, ID

The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").

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Average snowfall days
Island Park, ID

Average snowfall days - Island Park, ID

The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).

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Average daylight / Average sunshine
Island Park, ID

Average daylight / Average sunshine - Island Park, ID

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 55min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days
Island Park, ID

Average sunshine days - Island Park, ID

The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).

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Average UV index
Island Park, ID

Average UV index - Island Park, ID

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average visibility
Island Park, ID

Average visibility - Island Park, ID

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).

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