Climate and monthly weather forecast
Denniston, KY

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Weather in January

January, the same as December, is an icy winter month in Denniston, Kentucky, with an average temperature varying between 39.7°F (4.3°C) and 26.1°F (-3.3°C). Denniston's coldest weather arrives in January, when temperatures average a high of 39.7°F (4.3°C) and a low of 26.1°F (-3.3°C). Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Denniston, Kentucky, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 29.5°F (-1.4°C). With the onset of February, Denniston's average high-temperature clocks in at a chilly 44.2°F (6.8°C), showing a minor fluctuation from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Denniston, Kentucky, with an average temperature fluctuating between 53.8°F (12.1°C) and 37°F (2.8°C). The arrival of March brings a change in Denniston's weather, with average high-temperatures moving from February's frosty 44.2°F (6.8°C) to a cool 53.8°F (12.1°C). Weather in March »

Weather in April

April is a refreshing spring month in Denniston, Kentucky, with an average temperature fluctuating between 46°F (7.8°C) and 65.8°F (18.8°C). Denniston's April weather shows an increase in high-temperatures, moving from March's cool 53.8°F (12.1°C) to a comfortable 65.8°F (18.8°C). Weather in April »

Weather in May

May, the last month of the spring in Denniston, is a warm month, with an average temperature fluctuating between 75.7°F (24.3°C) and 55°F (12.8°C). May's arrival sees a rise in the average high-temperature, jumping from April's comfortable 65.8°F (18.8°C) to a warm 75.7°F (24.3°C). Weather in May »

Weather in June

June, the first month of the summer in Denniston, is also a moderately hot month, with an average temperature varying between 61.3°F (16.3°C) and 83.7°F (28.7°C). June introduces a marginal temperature uplift, with average high-temperatures adjusting from May's 75.7°F (24.3°C) to a still moderately hot 83.7°F (28.7°C). Weather in June »

Weather in July

July in Denniston, Kentucky, is a hot summer month, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 64.4°F (18°C). July, having an average high-temperature of 86.9°F (30.5°C) and an average low-temperature of 64.4°F (18°C), is the warmest month. Throughout July, the heat index is appraised at a torrid 100.4°F (38°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Denniston, Kentucky, with an average temperature fluctuating between 62.8°F (17.1°C) and 85.5°F (29.7°C). As Denniston welcomes August, the average high-temperature is noted at a moderately hot 85.5°F (29.7°C), closely aligning with the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Denniston, is also a moderately hot month, with an average temperature varying between 57.7°F (14.3°C) and 79°F (26.1°C). The start of September involves a subtle temperature drop, shifting from a moderately hot 85.5°F (29.7°C) in August to a still warm 79°F (26.1°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Denniston, Kentucky, with an average temperature fluctuating between 47.5°F (8.6°C) and 66°F (18.9°C). In the transition to October, Denniston observes a drop in the average high-temperature, moving from a warm 79°F (26.1°C) in September to an enjoyable 66°F (18.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Denniston, Kentucky, with an average temperature varying between 37.4°F (3°C) and 52.9°F (11.6°C). The arrival of November corresponds with a shift in temperature, down from a refreshing 66°F (18.9°C) in October to a fresh 52.9°F (11.6°C). Weather in November »

Weather in December

December, the first month of the winter in Denniston, is also a frosty month, with temperature in the range of an average high of 44.6°F (7°C) and an average low of 32.7°F (0.4°C). The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a cool 52.9°F (11.6°C) in November to a frosty 44.6°F (7°C). Weather in December »
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Denniston?

Denniston's coldest temperatures are experienced in January, with average high temperatures of 39.7°F (4.3°C) and lows of 26.1°F (-3.3°C).

How many days does it rain?

Throughout the year, there are 162.2 rainfall days, and 29.45" (748mm) of precipitation is accumulated.

When does it snow?

January through April, October through December are months with snowfall.

How many days does it snow?

In Denniston, during the entire year, snow falls for 36.4 days and aggregates up to 12.48" (317mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year in Denniston, with an average of 3.8h of sunshine.

What are the months with the lowest UV index?

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

What is the most humid month?

February is the most humid month, with an average relative humidity of 81%.

What is the rainiest month?

The month with the most rainfall is February, when the rain falls for 10.7 days and typically aggregates up to 2.99" (76mm) of precipitation.

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 9.7 days and accumulates 3.23" (82mm) of snow.

When is Daylight Saving Time (DST)?

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.

When it does not snow?

In Denniston, snow does not fall in May through September.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What are the least humid months?

June, August and November, with an average relative humidity of 75%, are the least humid months.

When are the longest days?

With an average of 14h and 48min of daylight, June has the longest days of the year.

What is the warmest month?

Denniston's warmest month, July, generally records average temperatures ranging from a high of 86.9°F (30.5°C) to a low of 64.4°F (18°C).

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10h of sunshine.

What is the driest month?

The months with the least rainfall are September and November Rain falls for 12.8 days and accumulates 1.89" (48mm) of rain.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

Average temperature
Denniston, KY

Average temperature - Denniston, KY

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39.7°F).

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure
Denniston, KY

Average pressure - Denniston, KY

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed
Denniston, KY

Average wind speed - Denniston, KY

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity
Denniston, KY

Average humidity - Denniston, KY

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are June, August and November (75%).

Average rainfall
Denniston, KY

Average rainfall - Denniston, KY

The wettest month (with the highest rainfall) is February (2.99").
The driest months (with the least rainfall) are September and November (1.89").

Average rainfall days
Denniston, KY

Average rainfall days - Denniston, KY

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.7 days).

Average snowfall
Denniston, KY

Average snowfall - Denniston, KY

The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Denniston, KY

Average snowfall days - Denniston, KY

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Denniston, KY

Average daylight / Average sunshine - Denniston, KY

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days
Denniston, KY

Average sunshine days - Denniston, KY

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (10.3 days).

Average UV index
Denniston, KY

Average UV index - Denniston, KY

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average visibility
Denniston, KY

Average visibility - Denniston, KY

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

Denniston, Kentucky, USA

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