Climate and monthly weather forecast
Dayton, ID

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Weather in January

January, the same as December, in Dayton, Idaho, is another subzero cold winter month, with temperature in the range of an average high of 29.1°F and an average low of 13.5°F. Dayton records an average high-temperature of a still subzero cold 29.1°F in January, maintaining a close correlation with December's 28.8°F. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Dayton, Idaho, with an average temperature fluctuating between 16.7°F and 31.6°F. The arrival of February is marked by an average high-temperature of a still freezing cold 31.6°F, bearing a close resemblance to January. Weather in February »

Weather in March

March, the first month of the spring in Dayton, is an icy month, with an average temperature ranging between min 25.7°F and max 41°F. March comes with an increase, with the average high-temperature moving from a subzero cold 31.6°F in February to an icy 41°F. Weather in March »

Weather in April

April is a frosty spring month in Dayton, Idaho, with an average temperature ranging between min 30.6°F and max 49.8°F. The arrival of April signals a slight increase in the average high-temperature, moving from an icy 41°F in March to a frosty 49.8°F. Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Dayton, Idaho, with temperature in the range of an average low of 37°F and an average high of 61.2°F. Dayton's May weather shows an increase in high-temperatures, moving from April's chilly 49.8°F to an enjoyable 61.2°F. Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Dayton, Idaho, with an average temperature fluctuating between 44.6°F and 73.6°F. As June arrives, a rise in the average high-temperature is observed, moving from a comfortable 61.2°F in May to a warm 73.6°F. Weather in June »

Weather in July

July, like June, in Dayton, Idaho, is a moderately hot summer month, with temperature in the range of an average high of 84.4°F and an average low of 53.8°F. With its high average temperature of 84.4°F and a low of 53.8°F, July is regarded as the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Dayton, is another warm month, with an average temperature ranging between min 53.4°F and max 82.9°F. The shift into August records an average high-temperature of a still moderately hot 82.9°F, subtly varied from July's 84.4°F. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Dayton, Idaho, with temperature in the range of an average high of 72.5°F and an average low of 46.6°F. The arrival of September signals a shift in temperature, down from a moderately hot 82.9°F in August to a pleasant 72.5°F. Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Dayton, Idaho, with temperature in the range of an average low of 34.7°F and an average high of 54.7°F. The shift into October is characterized by a noticeable reduction in the average high-temperature, decreasing from September's agreeable 72.5°F to a cool 54.7°F. Weather in October »

Weather in November

November, the last month of the autumn in Dayton, is also a wintry month, with an average temperature ranging between min 25.3°F and max 41.2°F. The shift to November brings a decrease in the average high-temperature, falling from a fresh 54.7°F in October to a wintry 41.2°F. Weather in November »

Weather in December

December, the first month of the winter in Dayton, is also a subzero cold month, with an average temperature fluctuating between 14.9°F and 28.8°F. The coldest temperatures occur during December, when averages reach a peak of 28.8°F and a low of 14.9°F. Weather in December »
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FAQ

What is the most humid month in Dayton?

The most humid month is January, with an average relative humidity of 90%.

How many days does it rain in Dayton?

In Dayton, Idaho, during the entire year, the rain falls for 127.4 days and collects up to 18.27" of precipitation.

When does it snow in Dayton?

January through May, September through December are months with snowfall.

When does it snow the most in Dayton?

January is the month with the most snowfall in Dayton. Snow falls for 17.6 days and accumulates 16.73" of snow.

How much does it snow in Dayton?

In Dayton, Idaho, during the entire year, snow falls for 83.8 days and aggregates up to 60.12" of snow.

What is the month with the least sunshine in Dayton?

January has the least sunshine of the year in Dayton, with an average of 4.8h of sunshine.

What is the month with the lowest UV index in Dayton?

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

What is the rainiest month in Dayton?

February is the month with the most rainfall in Dayton. Rain falls for 10.9 days and accumulates 2.24" of precipitation.

When is Daylight Saving Time (DST) in Dayton?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Dayton, 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.

When it does not snow in Dayton?

In Dayton, snow does not fall in June through August.

When are the longest days in Dayton?

With an average of 15h and 12min of daylight, June has the longest days of the year in Dayton, Idaho.

What time of the year is the hottest in Dayton?

In Dayton, July is the warmest month, with temperatures averaging a high of 84.4°F and a low of 53.8°F.

What is the driest month in Dayton?

July is the month with the least rainfall in Dayton. Rain falls for 5.5 days and accumulates 0.35" of precipitation.

What month has the most sunshine in Dayton?

With an average of 12h of sunshine, July has the most sunshine of the year in Dayton, Idaho.

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

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

What is the least humid month in Dayton?

August is the least humid month in Dayton, Idaho, with an average relative humidity of 38%.

What part of the year is the coldest in Dayton?

December is Dayton's coldest month, registering average high temperatures of 28.8°F and lows of 14.9°F.

What is the month with the shortest days in Dayton?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

Average temperature
Dayton, ID

Average temperature - Dayton, ID

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).

The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure
Dayton, ID

Average pressure - Dayton, ID

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed
Dayton, ID

Average wind speed - Dayton, ID

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

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Average rainfall
Dayton, ID

Average rainfall - Dayton, ID

The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days
Dayton, ID

Average rainfall days - Dayton, ID

The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).

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Average snowfall
Dayton, ID

Average snowfall - Dayton, ID

The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Dayton, ID

Average snowfall days - Dayton, ID

The months with the highest number of snowfall days are January and February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Dayton, ID

Average daylight / Average sunshine - Dayton, ID

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days
Dayton, ID

Average sunshine days - Dayton, ID

The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).

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Average visibility
Dayton, ID

Average visibility - Dayton, ID

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Dayton, Idaho, USA

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