Climate and monthly weather forecast
Dayton, ID

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Weather in January

January, like December, is a freezing cold winter month in Dayton, Idaho, with an average temperature varying between 29.1°F (-1.6°C) and 13.5°F (-10.3°C). The onset of January brings an average high-temperature of a still subzero cold 29.1°F (-1.6°C), nearly matching the December temperature. 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 varying between 31.6°F (-0.2°C) and 16.7°F (-8.5°C). The average high-temperature in February, at a still freezing cold 31.6°F (-0.2°C), reveals a modest deviation from January's 29.1°F (-1.6°C). Weather in February »

Weather in March

March, the first month of the spring in Dayton, is a wintry month, with an average temperature fluctuating between 25.7°F (-3.5°C) and 41°F (5°C). March's arrival brings a temperature shift, moving from a freezing cold 31.6°F (-0.2°C) in February to an icy 41°F (5°C). Weather in March »

Weather in April

April is a frosty spring month in Dayton, Idaho, with an average temperature ranging between max 49.8°F (9.9°C) and min 30.6°F (-0.8°C). Dayton's transition into April is noticed by a slight rise in the average high-temperature, advancing from an icy 41°F (5°C) in March to a chilly 49.8°F (9.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Dayton, Idaho, with an average temperature fluctuating between 61.2°F (16.2°C) and 37°F (2.8°C). May sees a temperature increase, moving from a frosty 49.8°F (9.9°C) in April to an enjoyable 61.2°F (16.2°C). 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 ranging between max 73.6°F (23.1°C) and min 44.6°F (7°C). June brings a temperature increase, with average high-temperatures moving from May's refreshing 61.2°F (16.2°C) to a moderately hot 73.6°F (23.1°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Dayton, Idaho, with an average temperature fluctuating between 53.8°F (12.1°C) and 84.4°F (29.1°C). The month of July sees the highest average temperatures, reaching 84.4°F (29.1°C) at the peak and 53.8°F (12.1°C) at the low. Weather in July »

Weather in August

August, the last month of the summer in Dayton, is also a moderately hot month, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 82.9°F (28.3°C). With the advent of August, Dayton experiences an average high-temperature of a still warm 82.9°F (28.3°C), mirroring a close resemblance to the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Dayton, Idaho, with an average temperature varying between 46.6°F (8.1°C) and 72.5°F (22.5°C). The transition into September involves a decrease in the average high-temperature, falling from a warm 82.9°F (28.3°C) in August to a pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, like September, in Dayton, Idaho, is a cool autumn month, with an average temperature ranging between max 54.7°F (12.6°C) and min 34.7°F (1.5°C). As Dayton transitions into October, a noticeable drop in the average high-temperature is observed, falling from a pleasant 72.5°F (22.5°C) in September to a cool 54.7°F (12.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Dayton, is also a wintry month, with an average temperature fluctuating between 25.3°F (-3.7°C) and 41.2°F (5.1°C). November's arrival comes with a decrease in the average high-temperature, moving from a cool 54.7°F (12.6°C) in October to a wintry 41.2°F (5.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Dayton, Idaho, with an average temperature fluctuating between 28.8°F (-1.8°C) and 14.9°F (-9.5°C). Dayton experiences its lowest average temperatures in December, reaching a peak of 28.8°F (-1.8°C) and a minimum of 14.9°F (-9.5°C). Weather in December »
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Frequently asked questions

What is the most humid month in Dayton?

With an average relative humidity of 90%, January is the most humid month in Dayton.

How much 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" (464mm) of precipitation.

When does it snow in Dayton?

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

What is the snowiest month in Dayton?

January is the month with the most snowfall in Dayton, Idaho. Snow falls for 17.6 days and accumulates 16.73" (425mm) of snow.

How much does it snow in Dayton?

In Dayton, during the entire year, snow falls for 83.8 days and aggregates up to 60.12" (1527mm) of snow.

What is the month with the least sunshine in Dayton?

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

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

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

What is the rainiest month in Dayton?

February is the month with the most rainfall. Rain falls for 10.9 days and accumulates 2.24" (57mm) of precipitation.

When is Daylight Saving Time (DST) in Dayton?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Dayton?

June through August are months without snowfall.

When are the longest days in Dayton?

June has the longest days of the year, with an average of 15h and 12min of daylight.

What are the warmest months in Dayton?

July, with an average high of 84.4°F (29.1°C) and a low of 53.8°F (12.1°C), signifies the warmest month of the year in Dayton, Idaho.

What is the driest month in Dayton?

The month with the least rainfall in Dayton, Idaho, is July, when the rain falls for 5.5 days and typically collects 0.35" (9mm) of precipitation.

What month has the most sunshine in Dayton?

July has the most sunshine of the year, with an average of 12h of sunshine.

When is the highest UV index in Dayton?

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

What is the least humid month in Dayton?

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

What are the coldest months in Dayton?

December, known for its average high temperature of 28.8°F (-1.8°C) and an average low temperature of 14.9°F (-9.5°C), is the coldest month.

What is the month with the shortest days in Dayton?

December has the shortest days of the year in Dayton, 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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