Climate and monthly weather forecast
Dayton, NY

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Weather in January

January, like December, is another subzero cold winter month in Dayton, New York, with an average temperature varying between 28.2°F (-2.1°C) and 17.8°F (-7.9°C). With its high average temperature of 28.2°F (-2.1°C) and a low of 17.8°F (-7.9°C), January is regarded as the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Dayton, is also a subzero cold month, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 31.1°F (-0.5°C). The unfolding of February shows an average high-temperature of a still freezing cold 31.1°F (-0.5°C), indicating a slight variance from January's 28.2°F (-2.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Dayton, New York, with an average temperature varying between 25.9°F (-3.4°C) and 39.9°F (4.4°C). As February transitions into March, a subtle temperature shift is observed, with average highs adjusting from a subzero cold 31.1°F (-0.5°C) to a wintry 39.9°F (4.4°C). Weather in March »

Weather in April

April in Dayton, New York, is a fresh spring month, with an average temperature fluctuating between 35.4°F (1.9°C) and 51.8°F (11°C). April's arrival brings a change in high-temperatures, moving from a cold 39.9°F (4.4°C) in March to a fresh 51.8°F (11°C). Weather in April »

Weather in May

May, the last month of the spring in Dayton, is an enjoyable month, with an average temperature fluctuating between 46.9°F (8.3°C) and 64.8°F (18.2°C). The start of May signals an increase in the average high-temperature, moving from a fresh 51.8°F (11°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 an agreeable month in Dayton, New York, with an average temperature ranging between min 54.1°F (12.3°C) and max 71.1°F (21.7°C). The average high-temperature mildly increases in June, edging from a comfortable 64.8°F (18.2°C) in May to an agreeable 71.1°F (21.7°C). Weather in June »

Weather in July

July is a moderately hot summer month in Dayton, New York, with an average temperature fluctuating between 76.6°F (24.8°C) and 59.7°F (15.4°C). The month of July, characterized by an average high of 76.6°F (24.8°C) and a low of 59.7°F (15.4°C), is recognized as the warmest. Weather in July »

Weather in August

August, the last month of the summer in Dayton, is also a moderately hot month, with an average temperature ranging between min 58.6°F (14.8°C) and max 75.6°F (24.2°C). The transition into August is marked with an average high-temperature of a still moderately hot 75.6°F (24.2°C), showing an insignificant shift from July's 76.6°F (24.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Dayton, is still a pleasant month, with an average temperature varying between 70°F (21.1°C) and 53.1°F (11.7°C). A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 75.6°F (24.2°C) in August to a pleasant 70°F (21.1°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Dayton, New York, with an average temperature fluctuating between 57.4°F (14.1°C) and 44.1°F (6.7°C). The onset of October comes with a shift in the average high-temperature, falling from an agreeable 70°F (21.1°C) in September to a mild 57.4°F (14.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Dayton, is another chilly month, with an average temperature ranging between max 44.4°F (6.9°C) and min 32.9°F (0.5°C). November involves a decrease in temperature, down from a mild 57.4°F (14.1°C) in October to a frosty 44.4°F (6.9°C). Weather in November »

Weather in December

December, the first month of the winter in Dayton, is also a wintry month, with an average temperature ranging between min 26.1°F (-3.3°C) and max 35.1°F (1.7°C). The shift from November to December involves a decrease in the average high-temperature, from a frosty 44.4°F (6.9°C) to a wintry 35.1°F (1.7°C). Weather in December »
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

During the coldest month in Dayton, January, temperatures average a high of 28.2°F (-2.1°C) and a low of 17.8°F (-7.9°C).

How much does it rain?

Throughout the year, there are 148.9 rainfall days, and 18.35" (466mm) of precipitation is accumulated.

When does it snow?

January through May, October through December are months with snowfall in Dayton.

What is the snowiest month in Dayton?

The months with the most snowfall are January and December, with an average 3.54" (90mm) of accumulated snow.

How much does it snow?

In Dayton, during the entire year, snow falls for 68.9 days and aggregates up to 16.26" (413mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 2.4h of sunshine.

When is the lowest UV index?

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

What is the most humid month?

With an average relative humidity of 88%, February is the most humid month.

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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What are the least humid months?

The months with the lowest humidity are April, May, August and September, with an average relative humidity of 80%.

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

May through August, with an average maximum UV index of 5, are months with the highest UV index.

When it does not snow in Dayton?

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

When are the longest days?

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

What part of the year is the hottest?

With average high temperatures of 76.6°F (24.8°C) and lows of 59.7°F (15.4°C), July is the warmest month.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 16.3 days and accumulates 1.93" (49mm) of precipitation.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 10.1h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.1" (28mm) of precipitation.

What is the month with the shortest days?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

Average temperature
Dayton, NY

Average temperature - Dayton, NY

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (28.2°F).

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure
Dayton, NY

Average pressure - Dayton, NY

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Dayton, NY

Average wind speed - Dayton, NY

The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity
Dayton, NY

Average humidity - Dayton, NY

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, August and September (80%).

Average rainfall
Dayton, NY

Average rainfall - Dayton, NY

The wettest month (with the highest rainfall) is July (1.93").
The driest month (with the least rainfall) is September (1.1").

Average rainfall days
Dayton, NY

Average rainfall days - Dayton, NY

The month with the highest number of rainy days is October (16.6 days).
The month with the least rainy days is February (6.8 days).

Average snowfall
Dayton, NY

Average snowfall - Dayton, NY

The months with the highest snowfall are January and December (3.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Dayton, NY

Average snowfall days - Dayton, NY

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Dayton, NY

Average daylight / Average sunshine - Dayton, NY

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 6min).

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

Average sunshine days
Dayton, NY

Average sunshine days - Dayton, NY

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is January (8.2 days).

Average UV index
Dayton, NY

Average UV index - Dayton, NY

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average visibility
Dayton, NY

Average visibility - Dayton, NY

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, March and December (5mi).

Dayton, New York, USA

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