Climate and monthly weather forecast
Jacksonville, OH

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Weather in January

January, like December, in Jacksonville, Ohio, is a wintry winter month, with an average temperature varying between 35.6°F (2°C) and 22.3°F (-5.4°C). Jacksonville's coldest month, January, registers temperatures that range from a high of 35.6°F (2°C) to a low of 22.3°F (-5.4°C). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Jacksonville, Ohio, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 25.3°F (-3.7°C). The advent of February signifies a minor shift to an average high-temperature of a still icy 40.1°F (4.5°C), aligning closely with January. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Jacksonville, Ohio, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 51.1°F (10.6°C). In Jacksonville, the average high-temperature in March rises, from an icy 40.1°F (4.5°C) in February, to a fresh 51.1°F (10.6°C). Weather in March »

Weather in April

April in Jacksonville, Ohio, is a comfortable spring month, with an average temperature fluctuating between 63.1°F (17.3°C) and 43.5°F (6.4°C). Jacksonville's transition into April is marked by a rise in the average high-temperature, advancing from a fresh 51.1°F (10.6°C) in March to a comfortable 63.1°F (17.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Jacksonville, Ohio, with an average temperature varying between 53.2°F (11.8°C) and 74.1°F (23.4°C). As May sets, the average high-temperature shows an increase, moving up from an enjoyable 63.1°F (17.3°C) in April to a moderately hot 74.1°F (23.4°C). Weather in May »

Weather in June

June, the first month of the summer in Jacksonville, is still a warm month, with an average temperature ranging between min 59.9°F (15.5°C) and max 81.9°F (27.7°C). Jacksonville's weather in June presents a minor rise in the average high-temperature, moving from 74.1°F (23.4°C) in May to a still warm 81.9°F (27.7°C). Weather in June »

Weather in July

July, like June, in Jacksonville, Ohio, is another warm summer month, with an average temperature varying between 63.7°F (17.6°C) and 85.6°F (29.8°C). July is the warmest month of the year, registering average temperatures as high as 85.6°F (29.8°C) and as low as 63.7°F (17.6°C). July's average heat index is estimated at a torrid 96.8°F (36°C). Weather in July »

Weather in August

August, the last month of the summer in Jacksonville, is also a moderately hot month, with an average temperature ranging between max 84.6°F (29.2°C) and min 61.5°F (16.4°C). August's onset records an average high-temperature of a still warm 84.6°F (29.2°C), a near match to July's 85.6°F (29.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Jacksonville, is still a warm month, with an average temperature ranging between min 56.3°F (13.5°C) and max 77.9°F (25.5°C). During the shift to September, Jacksonville records a mild decrease in average high-temperature, moving from a moderately hot 84.6°F (29.2°C) in August to a still warm 77.9°F (25.5°C). Weather in September »

Weather in October

October, like September, in Jacksonville, Ohio, is another comfortable autumn month, with an average temperature fluctuating between 64°F (17.8°C) and 45.9°F (7.7°C). Jacksonville in October undergoes a mild reduction in the average high-temperature, shifting from September's moderately hot 77.9°F (25.5°C) to an enjoyable 64°F (17.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Jacksonville, is another cool month, with an average temperature ranging between min 35.2°F (1.8°C) and max 50.9°F (10.5°C). As November commences, the average high-temperature shows a reduction, transitioning from an enjoyable 64°F (17.8°C) in October to a cool 50.9°F (10.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Jacksonville, Ohio, with an average temperature fluctuating between 29.7°F (-1.3°C) and 41.5°F (5.3°C). December brings a decrease in the average high-temperature, falling from November's cool 50.9°F (10.5°C) to a cold 41.5°F (5.3°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Jacksonville?

January proves to be the coldest month in Jacksonville, Ohio, recording an average maximum temperature of 35.6°F (2°C) and a minimum temperature of 22.3°F (-5.4°C).

What are the most humid months in Jacksonville?

January and February, with an average relative humidity of 83%, are most humid months in Jacksonville.

How much does it rain in Jacksonville?

In Jacksonville, during the entire year, the rain falls for 161.8 days and collects up to 30.04" (763mm) of precipitation.

When does it snow in Jacksonville?

January through April, November and December are months with snowfall in Jacksonville.

How many days does it snow in Jacksonville?

Throughout the year, there are 38.3 snowfall days, and 11.38" (289mm) of snow is accumulated.

What is the month with the least sunshine in Jacksonville?

The month with the least sunshine in Jacksonville, Ohio, is January, with an average of 3.5h of sunshine.

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

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 in Jacksonville?

The month with the most snowfall in Jacksonville, Ohio, is February, when snow falls for 9.7 days and typically aggregates up to 3.43" (87mm) of snow.

When is Daylight Saving Time (DST) in Jacksonville?

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

The month with the most rainfall is May, when the rain falls for 18.7 days and typically aggregates up to 3.62" (92mm) of precipitation.

When it does not snow in Jacksonville?

In Jacksonville, snow does not fall in May through October.

When are the longest days in Jacksonville?

The month with the longest days is June, with an average of 14h and 54min of daylight.

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

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

What is the hottest time of year in Jacksonville?

In Jacksonville, July records the average highest temperatures, peaking at 85.6°F (29.8°C) and reaching a low of 63.7°F (17.6°C).

What is the least humid month in Jacksonville?

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

What month has the most sunshine in Jacksonville?

With an average of 10.2h of sunshine, August has the most sunshine of the year in Jacksonville.

What is the driest month in Jacksonville?

The month with the least rainfall in Jacksonville is September, when the rain falls for 12.4 days and typically collects 1.85" (47mm) of precipitation.

What is the month with the shortest days in Jacksonville?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

Average temperature
Jacksonville, OH

Average temperature - Jacksonville, OH

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (35.6°F).

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure
Jacksonville, OH

Average pressure - Jacksonville, OH

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Jacksonville, OH

Average wind speed - Jacksonville, OH

The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity
Jacksonville, OH

Average humidity - Jacksonville, OH

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (75%).

Average rainfall
Jacksonville, OH

Average rainfall - Jacksonville, OH

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days
Jacksonville, OH

Average rainfall days - Jacksonville, OH

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (10 days).

Average snowfall
Jacksonville, OH

Average snowfall - Jacksonville, OH

The month with the highest snowfall is February (3.43").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Jacksonville, OH

Average snowfall days - Jacksonville, OH

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Jacksonville, OH

Average daylight / Average sunshine - Jacksonville, 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 24min).

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days
Jacksonville, OH

Average sunshine days - Jacksonville, OH

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is February (10.2 days).

Average UV index
Jacksonville, OH

Average UV index - Jacksonville, 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
Jacksonville, OH

Average visibility - Jacksonville, OH

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

Jacksonville, Ohio, USA

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