Climate and monthly weather forecast
Letha, ID

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Weather in January

January, the same as December, is another cold winter month in Letha, Idaho, with an average temperature fluctuating between 36.1°F (2.3°C) and 23.5°F (-4.7°C). January's onset brings an average high-temperature of a still icy 36.1°F (2.3°C), showing a minute difference from December's 34.9°F (1.6°C). Weather in January »

Weather in February

February, the last month of the winter in Letha, is also a wintry month, with an average temperature ranging between max 41.5°F (5.3°C) and min 28.6°F (-1.9°C). A slight uplift of average high-temperatures is noted in February, with temperatures adjusting from 36.1°F (2.3°C) in January to a still icy 41.5°F (5.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Letha, Idaho, with an average temperature varying between 35.1°F (1.7°C) and 51.1°F (10.6°C). The arrival of March brings an increase in high-temperatures, moving from a wintry 41.5°F (5.3°C) in February to a fresh 51.1°F (10.6°C). Weather in March »

Weather in April

April is a moderate spring month in Letha, Idaho, with an average temperature fluctuating between 58.8°F (14.9°C) and 38.8°F (3.8°C). A subtle rise in the average high-temperature is observed during April, adjusting from a fresh 51.1°F (10.6°C) in March to a moderate 58.8°F (14.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Letha, Idaho, with an average temperature ranging between min 45°F (7.2°C) and max 69.4°F (20.8°C). In Letha, the average high-temperature in May rises, from a moderate 58.8°F (14.9°C) in April, to an agreeable 69.4°F (20.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Letha, Idaho, with an average temperature fluctuating between 52°F (11.1°C) and 77.5°F (25.3°C). A minor escalation in the average high-temperature is seen with the onset of June, moving from an agreeable 69.4°F (20.8°C) in May to a warm 77.5°F (25.3°C). Weather in June »

Weather in July

July in Letha, Idaho, is a tropical summer month, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 90°F (32.2°C). In Letha, July records the highest average temperatures, peaking at 90°F (32.2°C) and reaching a low of 59.9°F (15.5°C). Weather in July »

Weather in August

August, the last month of the summer in Letha, is also a hot month, with an average temperature fluctuating between 89.2°F (31.8°C) and 60.3°F (15.7°C). Letha records a slight change with August's average high-temperatures adjusting to a still tropical 89.2°F (31.8°C) from July's 90°F (32.2°C). Weather in August »

Weather in September

September, the first month of the autumn in Letha, is also a moderately hot month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 53.4°F (11.9°C). The arrival of September signals a shift in temperature, down from a hot 89.2°F (31.8°C) in August to a warm 78.1°F (25.6°C). Weather in September »

Weather in October

October, like September, in Letha, Idaho, is another enjoyable autumn month, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 42.6°F (5.9°C). The shift into October brings a noticeable decrease in the average high-temperature, falling from a warm 78.1°F (25.6°C) in September to an enjoyable 60.8°F (16°C). Weather in October »

Weather in November

November, the last month of the autumn in Letha, is another chilly month, with an average temperature fluctuating between 47.3°F (8.5°C) and 31.8°F (-0.1°C). Letha, Idaho, in November undergoes a mild reduction in the average high-temperature, shifting from October's comfortable 60.8°F (16°C) to a frosty 47.3°F (8.5°C). Weather in November »

Weather in December

December, the first month of the winter in Letha, is also an icy month, with an average temperature varying between 22.8°F (-5.1°C) and 34.9°F (1.6°C). In Letha, December is the coldest month, with temperatures averaging a high of 34.9°F (1.6°C) and a low of 22.8°F (-5.1°C). Weather in December »
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Frequently asked questions

What is the most humid month in Letha?

With an average relative humidity of 82%, January is the most humid month in Letha, Idaho.

How many days does it rain in Letha?

Throughout the year, there are 91.7 rainfall days, and 10.28" (261mm) of precipitation is accumulated.

When does it snow in Letha?

January through April, November and December are months with snowfall.

How many days does it snow in Letha?

Throughout the year, in Letha, there are 22.2 snowfall days, and 12.95" (329mm) of snow is accumulated.

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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the wettest month in Letha?

March is the month with the most rainfall in Letha. Rain falls for 13.7 days and accumulates 1.54" (39mm) of precipitation.

When is Daylight Saving Time (DST) in Letha?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Letha, Idaho, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

When it does not snow in Letha?

May through October are months without snowfall.

When are the longest days in Letha?

With an average of 15h and 24min of daylight, June has the longest days of the year in Letha, Idaho.

What part of the year is the hottest in Letha?

Letha notes the warmest temperatures in July, with a average high of 90°F (32.2°C) and a low of 59.9°F (15.5°C).

What is the least humid month in Letha?

The months with the lowest humidity are July and August, with an average relative humidity of 31%.

What is the driest month in Letha?

The month with the least rainfall is July, when the rain falls for 3.2 days and typically collects 0.16" (4mm) of precipitation.

What month has the most sunshine in Letha?

July has the most sunshine of the year in Letha, with an average of 12.1h of sunshine.

When is the highest UV index in Letha?

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

What part of the year is the coldest in Letha?

The coldest time of the year in Letha is December, with temperatures averaging a high of 34.9°F (1.6°C) and a low of 22.8°F (-5.1°C).

What is the snowiest month in Letha?

December is the month with the most snowfall. Snow falls for 7.5 days and accumulates 4.33" (110mm) of snow.

What is the month with the shortest days in Letha?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

What is the month with the least sunshine in Letha?

With an average of 5.3h of sunshine, December has the least sunshine of the year.

Average temperature
Letha, ID

Average temperature - Letha, ID

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (34.9°F).

The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).

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Average pressure
Letha, ID

Average pressure - Letha, ID

The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed
Letha, ID

Average wind speed - Letha, ID

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

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Average humidity
Letha, ID

Average humidity - Letha, ID

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are July and August (31%).

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Average rainfall
Letha, ID

Average rainfall - Letha, ID

The wettest month (with the highest rainfall) is March (1.54").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days
Letha, ID

Average rainfall days - Letha, ID

The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (3.2 days).

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Average snowfall
Letha, ID

Average snowfall - Letha, ID

The month with the highest snowfall is December (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Letha, ID

Average snowfall days - Letha, ID

The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Letha, ID

Average daylight / Average sunshine - Letha, ID

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

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 18min).

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Average sunshine days
Letha, ID

Average sunshine days - Letha, ID

The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (15.3 days).

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Average visibility
Letha, ID

Average visibility - Letha, ID

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

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Letha, Idaho, USA

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