Climate and monthly weather forecast
Blanchester, OH

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Weather in January

January, the same as December, is an icy winter month in Blanchester, Ohio, with an average temperature varying between 34.5°F (1.4°C) and 22.6°F (-5.2°C). During the coldest month, January, temperatures average a high of 34.5°F (1.4°C) and a low of 22.6°F (-5.2°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Blanchester, Ohio, with an average temperature fluctuating between 39.4°F (4.1°C) and 25.9°F (-3.4°C). The transition from January to February sees an average high-temperature of a still icy 39.4°F (4.1°C), indicating a minor variance from the prior month. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Blanchester, Ohio, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 50°F (10°C). March's arrival sees a rise in the average high-temperature, jumping from February's icy 39.4°F (4.1°C) to a cool 50°F (10°C). Weather in March »

Weather in April

April is an enjoyable spring month in Blanchester, Ohio, with an average temperature ranging between min 44.4°F (6.9°C) and max 62.2°F (16.8°C). With the arrival of April, the average high-temperature transitions from a fresh 50°F (10°C) in March to a comfortable 62.2°F (16.8°C). Weather in April »

Weather in May

May, the last month of the spring in Blanchester, is a pleasant month, with an average temperature ranging between min 55°F (12.8°C) and max 72.1°F (22.3°C). May sees a rise in the average high-temperature, climbing from an enjoyable 62.2°F (16.8°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Blanchester, Ohio, with an average temperature ranging between min 61.7°F (16.5°C) and max 79.3°F (26.3°C). The shift into June is marked by a modest rise in the average high-temperature, moving from May's pleasant 72.1°F (22.3°C) to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in Blanchester, Ohio, is a moderately hot summer month, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 64.8°F (18.2°C). July stands out as Blanchester's warmest month, with an average high-temperature of 82.2°F (27.9°C) and a low-temperature of 64.8°F (18.2°C). During July, the heat index is estimated at a tropical 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Blanchester, is also a moderately hot month, with an average temperature varying between 62.6°F (17°C) and 81.1°F (27.3°C). Blanchester in August witnesses an average high-temperature of a still moderately hot 81.1°F (27.3°C), indicating a slight variation from July's 82.2°F (27.9°C). Weather in August »

Weather in September

September, the first month of the autumn in Blanchester, is still a warm month, with an average temperature fluctuating between 76.1°F (24.5°C) and 57.4°F (14.1°C). Blanchester's weather in September displays an average high-temperature of a still warm 76.1°F (24.5°C), showing minor disparity from August's 81.1°F (27.3°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Blanchester, Ohio, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 46.9°F (8.3°C). As October commences, the average high-temperature shows a reduction, transitioning from a moderately hot 76.1°F (24.5°C) in September to a comfortable 63.5°F (17.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Blanchester, Ohio, with an average temperature varying between 36.1°F (2.3°C) and 50.7°F (10.4°C). November suggests a modest reduction in the average high-temperature, shifting from a comfortable 63.5°F (17.5°C) in October to a cool 50.7°F (10.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Blanchester, Ohio, with an average temperature varying between 40.6°F (4.8°C) and 29.5°F (-1.4°C). December's onset brings a reduction in the average high-temperature, from a cool 50.7°F (10.4°C) in November to an icy 40.6°F (4.8°C). Weather in December »
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January stands out as Blanchester's coldest month, with an average high-temperature of 34.5°F (1.4°C) and a low-temperature of 22.6°F (-5.2°C).

What are the most humid months in Blanchester?

January, February and December, with an average relative humidity of 82%, are most humid months in Blanchester.

How many days does it rain in Blanchester?

Throughout the year, there are 139.1 rainfall days, and 16.38" (416mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow?

In Blanchester, during the entire year, snow falls for 33.4 days and aggregates up to 5.47" (139mm) of snow.

What is the month with the least sunshine?

With an average of 3.7h of sunshine, January has the least sunshine of the year.

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

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

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 7.8 days and accumulates 1.34" (34mm) 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 Blanchester, snow does not fall in May through September.

When are the longest days?

June has the longest days of the year in Blanchester, with an average of 14h and 54min of daylight.

What is the month with the most sunshine?

The months with the most sunshine are June and August, with an average of 10.2h of sunshine.

When is the highest UV index?

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

What month is the hottest?

In Blanchester, July registers the highest temperatures, averaging 82.2°F (27.9°C) at the peak and 64.8°F (18.2°C) at the lowest.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 15.2 days and accumulates 1.85" (47mm) of precipitation.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11 days and typically collects 0.87" (22mm) of precipitation.

What is the least humid month?

With an average relative humidity of 75%, October is the least humid month.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

Average temperature
Blanchester, OH

Average temperature - Blanchester, OH

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.5°F).

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure
Blanchester, OH

Average pressure - Blanchester, OH

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
Blanchester, OH

Average wind speed - Blanchester, OH

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity
Blanchester, OH

Average humidity - Blanchester, OH

The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is October (75%).

Average rainfall
Blanchester, OH

Average rainfall - Blanchester, OH

The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is September (0.87").

Average rainfall days
Blanchester, OH

Average rainfall days - Blanchester, OH

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.3 days).

Average snowfall
Blanchester, OH

Average snowfall - Blanchester, OH

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Blanchester, OH

Average snowfall days - Blanchester, OH

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Blanchester, OH

Average daylight / Average sunshine - Blanchester, OH

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).

The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Blanchester, OH

Average sunshine days - Blanchester, OH

The months with the most sunshine days are October and November (19 days).
The month with the least sunshine days is July (11.1 days).

Average UV index
Blanchester, OH

Average UV index - Blanchester, OH

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

Average visibility
Blanchester, OH

Average visibility - Blanchester, OH

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).

Blanchester, Ohio, USA

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