Climate and monthly weather forecast
Idaho City, ID

Weather in January

January in Idaho City, Idaho, is a wintry winter month, with an average temperature varying between 32.5°F (0.3°C) and 19.8°F (-6.8°C). In Idaho City, Idaho, the average high-temperature in January is almost the same as in December - a wintry 32.5°F (0.3°C). Weather in January »

Weather in February

February, the last month of the winter in Idaho City, is also a wintry month, with an average temperature ranging between max 36.3°F (2.4°C) and min 23.4°F (-4.8°C). In February, the average high-temperature is almost the same as in January - a still cold 36.3°F (2.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Idaho City, Idaho, with an average temperature varying between 45.1°F (7.3°C) and 29.7°F (-1.3°C). In Idaho City, the average high-temperature in March slightly increases from a cold 36.3°F (2.4°C) in February to a chilly 45.1°F (7.3°C). Weather in March »

Weather in April

April is a fresh spring month in Idaho City, Idaho, with an average temperature ranging between min 34.3°F (1.3°C) and max 53.6°F (12°C). In Idaho City, the average high-temperature in April slightly increases from a chilly 45.1°F (7.3°C) in March to a fresh 53.6°F (12°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Idaho City, Idaho, with an average temperature fluctuating between 41.5°F (5.3°C) and 64.8°F (18.2°C). In Idaho City, the average high-temperature in May increases from a cool 53.6°F (12°C) in April to a comfortable 64.8°F (18.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Idaho City, Idaho, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 73.9°F (23.3°C). In June, the average high-temperature rises from a comfortable 64.8°F (18.2°C) in May to a moderately hot 73.9°F (23.3°C). Weather in June »

Weather in July

July is a tropical summer month in Idaho City, Idaho, with an average temperature fluctuating between 86.5°F (30.3°C) and 56.7°F (13.7°C). The warmest month is July, with an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 56.7°F (13.7°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Idaho City, Idaho, with an average temperature varying between 56.8°F (13.8°C) and 84.7°F (29.3°C). In August, the average high-temperature is relatively the same as in July - a warm 84.7°F (29.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Idaho City, is also a moderately hot month, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 50.4°F (10.2°C). In Idaho City, the average high-temperature in September decreases from a moderately hot 84.7°F (29.3°C) in August to a still warm 73.9°F (23.3°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Idaho City, Idaho, with an average temperature fluctuating between 38.3°F (3.5°C) and 55.9°F (13.3°C). In Idaho City, Idaho, the average high-temperature in October significantly decreases from a warm 73.9°F (23.3°C) in September to a moderate 55.9°F (13.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Idaho City, Idaho, with temperature in the range of an average high of 42.4°F (5.8°C) and an average low of 28°F (-2.2°C). In November, the average high-temperature decreases from a moderate 55.9°F (13.3°C) in October to a cold 42.4°F (5.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Idaho City, Idaho, with an average temperature fluctuating between 19.4°F (-7°C) and 31.3°F (-0.4°C). With an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 19.4°F (-7°C), December is the coldest month. Weather in December »
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FAQ

What is the most humid month in Idaho City?

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

How many days does it rain in Idaho City?

In Idaho City, Idaho, during the entire year, the rain falls for 103.4 days and collects up to 19.84" (504mm) of precipitation.

When does it snow in Idaho City?

Months with snowfall are January through June, October through December.

When does it snow the most in Idaho City?

The month with the most snowfall in Idaho City, Idaho, is January, when snow falls for 14.8 days and typically aggregates up to 20.59" (523mm) of snow.

How much does it snow in Idaho City?

Throughout the year, in Idaho City, Idaho, there are 79.1 snowfall days, and 88.94" (2259mm) of snow is accumulated.

When is the lowest UV index in Idaho City?

February is the month with the lowest UV index, with an average maximum UV index of 1.

What is the rainiest month in Idaho City?

The month with the most rainfall in Idaho City is March, when the rain falls for 13.4 days and typically aggregates up to 2.83" (72mm) of precipitation.

When is Daylight Saving Time (DST) in Idaho City?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, 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 Idaho City?

June has the longest days of the year, with an average of 15h and 25min of daylight.

What is the warmest month in Idaho City?

With an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 56.7°F (13.7°C), July is the warmest month in Idaho City.

What is the least humid month in Idaho City?

The months with the lowest humidity in Idaho City, Idaho, are July and August, with an average relative humidity of 33%.

What is the driest month in Idaho City?

July is the month with the least rainfall in Idaho City. Rain falls for 5.3 days and accumulates 0.31" (8mm) of precipitation.

When it does not snow in Idaho City?

In Idaho City, Idaho, snow does not fall in July through September.

What month has the most sunshine in Idaho City?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

What is the month with the highest UV index in Idaho City?

With an average maximum UV index of 6, July is the month with the highest UV index in Idaho City.

What is the coldest month in Idaho City?

The coldest month is December, with an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 19.4°F (-7°C).

What is the month with the shortest days in Idaho City?

The month with the shortest days is December, with an average of 8h and 59min of daylight.

What is the month with the least sunshine in Idaho City?

December has the least sunshine of the year, with an average of 5.2h of sunshine.

Average temperature
Idaho City, ID

Average temperature - Idaho City, ID

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (31.3°F).

The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).

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Average pressure
Idaho City, ID

Average pressure - Idaho City, ID

The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed
Idaho City, ID

Average wind speed - Idaho City, ID

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

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Average humidity
Idaho City, ID

Average humidity - Idaho City, ID

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (33%).

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Average rainfall
Idaho City, ID

Average rainfall - Idaho City, ID

The wettest month (with the highest rainfall) is March (2.83").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days
Idaho City, ID

Average rainfall days - Idaho City, ID

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).

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Average snowfall
Idaho City, ID

Average snowfall - Idaho City, ID

The month with the highest snowfall is January (20.59").
The months with the least snowfall are July, August and September (0").

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Average snowfall days
Idaho City, ID

Average snowfall days - Idaho City, ID

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight / Average sunshine
Idaho City, ID

Average daylight / Average sunshine - Idaho City, ID

The month with the longest days is June (Average daylight: 15h and 25min).
The month with the shortest days is December (Average daylight: 8h and 59min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days
Idaho City, ID

Average sunshine days - Idaho City, ID

The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is March (11.2 days).

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Average visibility
Idaho City, ID

Average visibility - Idaho City, ID

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

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