Climate and monthly weather forecast
Lemhi, ID

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Weather in January

January, like December, is a freezing cold winter month in Lemhi, Idaho, with temperature in the range of an average high of 27.3°F and an average low of 9.5°F. The average high-temperature in January, at a still freezing cold 27.3°F, reveals a modest deviation from December's 25.2°F. Weather in January »

Weather in February

February, the last month of the winter in Lemhi, is also a subzero cold month, with an average temperature ranging between min 10.8°F and max 27.9°F. Lemhi, Idaho, records an average high-temperature of a still subzero cold 27.9°F in February, maintaining a close correlation with January's 27.3°F. Weather in February »

Weather in March

March, the first month of the spring in Lemhi, is an icy month, with temperature in the range of an average high of 34°F and an average low of 17.8°F. As Lemhi transitions into March, the average high-temperature is observed to slightly rise from a subzero cold 27.9°F in February to a wintry 34°F. Weather in March »

Weather in April

April, the same as March, is an icy spring month in Lemhi, Idaho, with temperature in the range of an average low of 25°F and an average high of 41.9°F. Lemhi in April experiences a slight uptick in the average high-temperature, adjusting from March's icy 34°F to a still wintry 41.9°F. Weather in April »

Weather in May

The last month of the spring, May, is a cool month in Lemhi, Idaho, with an average temperature ranging between min 33.8°F and max 54.1°F. May comes with an increase, with the average high-temperature moving from a wintry 41.9°F in April to a cool 54.1°F. Weather in May »

Weather in June

June, the first month of the summer in Lemhi, is a refreshing month, with an average temperature ranging between max 64.4°F and min 39.9°F. The rise of average high-temperatures is seen in June, with an increase from a cool 54.1°F in May to a refreshing 64.4°F. Weather in June »

Weather in July

July is a warm summer month in Lemhi, Idaho, with temperature in the range of an average high of 75.7°F and an average low of 47.3°F. Lemhi records the warmest temperatures in July, averaging a high of 75.7°F and a low of 47.3°F. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Lemhi, Idaho, with temperature in the range of an average high of 74.7°F and an average low of 47.5°F. The advent of August brings an average high-temperature of a still warm 74.7°F, exhibiting minor difference from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Lemhi, is also an enjoyable month, with an average temperature ranging between max 65.3°F and min 40.6°F. The shift from August to September corresponds with a decrease in the average high-temperature, down to an enjoyable 65.3°F from a moderately hot 74.7°F. Weather in September »

Weather in October

October, the same as September, in Lemhi, Idaho, is a frosty autumn month, with an average temperature ranging between max 48.7°F and min 30.4°F. A decrease in the average high-temperature marks October, falling from September's enjoyable 65.3°F to a chilly 48.7°F. Weather in October »

Weather in November

The last month of the autumn, November, is also an icy month in Lemhi, Idaho, with an average temperature fluctuating between 35.2°F and 19.2°F. During the transition into November, Lemhi observes a decrease in the average high-temperature, falling from a frosty 48.7°F in October to a cold 35.2°F. Weather in November »

Weather in December

December, the first month of the winter in Lemhi, is still a freezing cold month, with an average temperature varying between 25.2°F and 9.5°F. Lemhi's coldest weather arrives in December, when temperatures average a high of 25.2°F and a low of 9.5°F. Weather in December »
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Frequently asked questions

How many days does it rain in Lemhi?

In Lemhi, during the entire year, the rain falls for 129.5 days and collects up to 12.4" of precipitation.

When does it snow in Lemhi?

January through May, September through December are months with snowfall in Lemhi, Idaho.

How much does it snow in Lemhi?

In Lemhi, Idaho, during the entire year, snow falls for 63.5 days and aggregates up to 22.76" of snow.

What is the month with the least sunshine in Lemhi?

The month with the least sunshine in Lemhi, Idaho, is January, with an average of 5.1h of sunshine.

When is the lowest UV index in Lemhi?

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

What is the most humid month in Lemhi?

With an average relative humidity of 89%, February is the most humid month.

What is the snowiest month in Lemhi?

The month with the most snowfall in Lemhi, Idaho, is February, when snow falls for 12.3 days and typically aggregates up to 5" of snow.

When is Daylight Saving Time (DST) in Lemhi?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Lemhi, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from MDT to MST.

What is the wettest month in Lemhi?

The month with the most rainfall is June, when the rain falls for 14.9 days and typically aggregates up to 2.05" of precipitation.

When it does not snow in Lemhi?

June through August are months without snowfall.

When are the longest days in Lemhi?

The month with the longest days in Lemhi is June, with an average of 15h and 30min of daylight.

What are the warmest months in Lemhi?

July is the month when Lemhi's temperatures reach their peak, with averages of 75.7°F and lows of 47.3°F.

What is the driest month in Lemhi?

The months with the least rainfall in Lemhi, Idaho, are July and August Rain falls for 7.8 days and accumulates 0.51" of rain.

What month has the most sunshine in Lemhi?

The month with the most sunshine in Lemhi, Idaho, is July, with an average of 11.8h of sunshine.

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

The month with the highest UV index in Lemhi is July, with an average maximum UV index of 5.

What is the least humid month in Lemhi?

With an average relative humidity of 43%, August is the least humid month in Lemhi.

What month is the coldest in Lemhi?

The coldest time of the year in Lemhi is December, with temperatures averaging a high of 25.2°F and a low of 9.5°F.

What is the month with the shortest days in Lemhi?

The month with the shortest days in Lemhi, Idaho, is December, with an average of 8h and 54min of daylight.

Average temperature
Lemhi, ID

Average temperature - Lemhi, ID

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).

The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).

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Average pressure
Lemhi, ID

Average pressure - Lemhi, ID

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Lemhi, ID

Average wind speed - Lemhi, ID

The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average rainfall
Lemhi, ID

Average rainfall - Lemhi, ID

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are July and August (0.51").

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Average rainfall days
Lemhi, ID

Average rainfall days - Lemhi, ID

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall
Lemhi, ID

Average snowfall - Lemhi, ID

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Lemhi, ID

Average snowfall days - Lemhi, ID

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

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Average daylight / Average sunshine
Lemhi, ID

Average daylight / Average sunshine - Lemhi, ID

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days
Lemhi, ID

Average sunshine days - Lemhi, ID

The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).

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Average visibility
Lemhi, ID

Average visibility - Lemhi, 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, March and December (4mi).

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Lemhi, Idaho, USA

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