Expand
Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is a wintry winter month in Dayton, Kentucky, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 23.7°F (-4.6°C). Dayton's coldest month, January, registers temperatures that range from a high of 36.1°F (2.3°C) to a low of 23.7°F (-4.6°C). Weather in January »
Weather in February
February, the last month of the winter in Dayton, is also a wintry month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 40.8°F (4.9°C). In the transition from January to February, Dayton reports an average high-temperature of a still wintry 40.8°F (4.9°C), indicating a close resemblance to the prior month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Dayton, Kentucky, with an average temperature fluctuating between 35.4°F (1.9°C) and 51.4°F (10.8°C). Dayton sees an increase in the average high-temperature with the arrival of March, moving from February's cold 40.8°F (4.9°C) to a cool 51.4°F (10.8°C). Weather in March »
Weather in April
April in Dayton, Kentucky, is a refreshing spring month, with an average temperature fluctuating between 63.7°F (17.6°C) and 45.1°F (7.3°C). The start of April brings a shift in the average high-temperature, increasing from March's fresh 51.4°F (10.8°C) to an enjoyable 63.7°F (17.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Dayton, Kentucky, with an average temperature fluctuating between 55.8°F (13.2°C) and 73.8°F (23.2°C). As April transitions into May, Dayton sees a rise in the average high-temperature, moving from a refreshing 63.7°F (17.6°C) to a moderately hot 73.8°F (23.2°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Dayton, Kentucky, with an average temperature fluctuating between 62.4°F (16.9°C) and 81.5°F (27.5°C). June introduces a marginal temperature uplift, with average high-temperatures adjusting from May's warm 73.8°F (23.2°C) to a still moderately hot 81.5°F (27.5°C). Weather in June »
Weather in July
July, like June, in Dayton, Kentucky, is a moderately hot summer month, with an average temperature varying between 66°F (18.9°C) and 84.7°F (29.3°C). July, on average, is the warmest month, registering a high temperature of 84.7°F (29.3°C) and a low of 66°F (18.9°C). July's average heat index is appraised at a sweltering 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Dayton, Kentucky, with an average temperature fluctuating between 64.2°F (17.9°C) and 83.8°F (28.8°C). August's commencement is accompanied by an average high-temperature of a still warm 83.8°F (28.8°C), diverging marginally from July's 84.7°F (29.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Dayton, Kentucky, with an average temperature fluctuating between 58.6°F (14.8°C) and 77.9°F (25.5°C). In Dayton, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's 83.8°F (28.8°C) to a still moderately hot 77.9°F (25.5°C). Weather in September »
Weather in October
October, like September, in Dayton, Kentucky, is another enjoyable autumn month, with an average temperature varying between 64.8°F (18.2°C) and 47.3°F (8.5°C). The average high-temperature decreases in October, shifting from a warm 77.9°F (25.5°C) in September to a refreshing 64.8°F (18.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Dayton, is another cool month, with an average temperature fluctuating between 36.5°F (2.5°C) and 51.3°F (10.7°C). As November arrives, Dayton's weather displays a decrease in high-temperatures, transitioning from October's enjoyable 64.8°F (18.2°C) to a fresh 51.3°F (10.7°C). Weather in November »
Weather in December
December, the first month of the winter in Dayton, is also an icy month, with an average temperature varying between 41.9°F (5.5°C) and 30.6°F (-0.8°C). The transition into December indicates a reduction in the average high-temperature, down to a cold 41.9°F (5.5°C) from November's fresh 51.3°F (10.7°C). Weather in December »
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
January, characterized by an average high temperature of 36.1°F (2.3°C) and a low temperature of 23.7°F (-4.6°C), is generally the coldest month.
How many days does it rain?
In Dayton, during the entire year, the rain falls for 150.9 days and collects up to 27.64" (702mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
How much does it snow?
In Dayton, during the entire year, snow falls for 20.7 days and aggregates up to 6.85" (174mm) of snow.
What is the month with the least sunshine?
With an average of 3.9h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The months with the highest humidity are February and December, with an average relative humidity of 81%.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 5.5 days and accumulates 2.01" (51mm) 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.
What is the wettest month?
The month with the most rainfall in Dayton is May, when the rain falls for 17.7 days and typically aggregates up to 3.27" (83mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
June has the longest days of the year in Dayton, with an average of 14h and 54min of daylight.
What time of the year is the hottest?
July, known for its average high temperature of 84.7°F (29.3°C) and an average low temperature of 66°F (18.9°C), is the warmest month.
What month has the most sunshine?
July has the most sunshine of the year in Dayton, with an average of 10.3h of sunshine.
What is the least humid month?
August through October, with an average relative humidity of 74%, are the least humid months in Dayton.
What is the driest month?
September is the month with the least rainfall in Dayton. Rain falls for 12.1 days and accumulates 1.54" (39mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days in Dayton is December, with an average of 9h and 30min of daylight.
Average temperature
Dayton, KY
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure
Dayton, KY
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Dayton, KY
- Average wind speed in January:
8.7mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.4mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
7mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.9mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Dayton, KY
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall
Dayton, KY
- Average rainfall in January:
1.81" - Average rainfall in February:
2.28" - Average rainfall in March:
2.48" - Average rainfall in April:
3.07" - Average rainfall in May:
3.27" - Average rainfall in June:
2.6"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Dayton, KY
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (8.2 days).
Average snowfall
Dayton, KY
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Dayton, KY
- Average snowfall days in January:
5.5 days - Average snowfall days in February:
5.5 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4.5 days
The months with the highest number of snowfall days are January and February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Dayton, KY
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
5h and 1min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Dayton, KY
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
15 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
16.1 days
The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index
Dayton, 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, November and December (UV index 2).
Average cloud cover
Dayton, KY
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Dayton, KY
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Dayton, Kentucky, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location