Climate and monthly weather forecast
Somerville, OH

Share

Weather in January

January, the same as December, is another cold winter month in Somerville, Ohio, with an average temperature fluctuating between 21.6°F (-5.8°C) and 34°F (1.1°C). January is the coldest month, with an average high-temperature of 34°F (1.1°C) and an average low-temperature of 21.6°F (-5.8°C). Weather in January »

Weather in February

February, the last month of the winter in Somerville, is also an icy month, with an average temperature fluctuating between 25.2°F (-3.8°C) and 38.7°F (3.7°C). The onset of February brings with it an average high-temperature of a still icy 38.7°F (3.7°C), showing a negligible variation from the month before. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Somerville, Ohio, with an average temperature ranging between max 49.5°F (9.7°C) and min 34°F (1.1°C). As Somerville transitions into March, the average high-temperature is observed to rise from an icy 38.7°F (3.7°C) in February to a chilly 49.5°F (9.7°C). Weather in March »

Weather in April

April is a refreshing spring month in Somerville, Ohio, with an average temperature ranging between max 61.3°F (16.3°C) and min 43.9°F (6.6°C). The arrival of April sees a shift in the average high-temperature, moving from a chilly 49.5°F (9.7°C) in March to a refreshing 61.3°F (16.3°C). Weather in April »

Weather in May

May, the last month of the spring in Somerville, is an agreeable month, with an average temperature ranging between min 54.7°F (12.6°C) and max 71.2°F (21.8°C). Somerville's transition into May sees a rise in the average high-temperature, advancing from a refreshing 61.3°F (16.3°C) in April to a pleasant 71.2°F (21.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Somerville, Ohio, with an average temperature ranging between max 78.4°F (25.8°C) and min 61.9°F (16.6°C). Somerville observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's pleasant 71.2°F (21.8°C) to a moderately hot 78.4°F (25.8°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Somerville, Ohio, with an average temperature varying between 64.6°F (18.1°C) and 81.5°F (27.5°C). With its high average temperature of 81.5°F (27.5°C) and a low of 64.6°F (18.1°C), July is regarded as the warmest month. For July, the heat index is appraised at a tropical 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Somerville, Ohio, with an average temperature ranging between max 80.8°F (27.1°C) and min 62.4°F (16.9°C). Somerville experiences an average high-temperature of a still moderately hot 80.8°F (27.1°C) in August, marking an insignificant shift from 81.5°F (27.5°C) in July. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Somerville, Ohio, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 75.4°F (24.1°C). With the arrival of September, Somerville experiences a modest decline in average high-temperatures, transitioning from a warm 80.8°F (27.1°C) in August to a still moderately hot 75.4°F (24.1°C). Weather in September »

Weather in October

October, like September, in Somerville, Ohio, is another refreshing autumn month, with an average temperature fluctuating between 46.6°F (8.1°C) and 63°F (17.2°C). The onset of October introduces a moderate change in Somerville's weather, with average high-temperatures falling from September's warm 75.4°F (24.1°C) to a comfortable 63°F (17.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Somerville, Ohio, with an average temperature ranging between max 49.5°F (9.7°C) and min 35.6°F (2°C). In November, the meteorological conditions alter, with the average high-temperature shifting from an enjoyable 63°F (17.2°C) in October to a chilly 49.5°F (9.7°C). Weather in November »

Weather in December

December, the first month of the winter in Somerville, is also a wintry month, with an average temperature fluctuating between 39.6°F (4.2°C) and 28.8°F (-1.8°C). A shift in the average high-temperature occurs in December, reducing from a chilly 49.5°F (9.7°C) in November to a cold 39.6°F (4.2°C). Weather in December »
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest period is January, when temperatures fluctuate between an average high of 34°F (1.1°C) and a low of 21.6°F (-5.8°C).

What is the most humid month?

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

How many days does it rain?

Throughout the year, there are 169 rainfall days, and 31.85" (809mm) of precipitation is accumulated.

When does it snow?

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

When does it snow the most in Somerville?

The month with the most snowfall is January, when snow falls for 12.3 days and typically aggregates up to 3.11" (79mm) of snow.

How much does it snow?

Throughout the year, there are 40.7 snowfall days, and 12.48" (317mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.8h of sunshine.

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.

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 rainiest month?

The month with the most rainfall is May, when the rain falls for 20.5 days and typically aggregates up to 4.09" (104mm) of precipitation.

When it does not snow?

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

When are the longest days?

The month with the longest days is June, 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 July, with an average of 10.2h of sunshine.

When is the highest UV index?

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

What is the warmest month?

July, with its high-temperature average of 81.5°F (27.5°C) and a low-temperature average of 64.6°F (18.1°C), is the warmest month in Somerville.

What is the driest month?

September is the month with the least rainfall. Rain falls for 14.4 days and accumulates 1.89" (48mm) of precipitation.

What are the least humid months?

October and November, with an average relative humidity of 75%, are the least humid months in Somerville.

What is the month with the shortest days?

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

Average temperature
Somerville, OH

Average temperature - Somerville, OH

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (34°F).

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure
Somerville, OH

Average pressure - Somerville, OH

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Somerville, OH

Average wind speed - Somerville, OH

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity
Somerville, OH

Average humidity - Somerville, OH

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

Average rainfall
Somerville, OH

Average rainfall - Somerville, OH

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days
Somerville, OH

Average rainfall days - Somerville, OH

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.2 days).

Average snowfall
Somerville, OH

Average snowfall - Somerville, OH

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Somerville, OH

Average snowfall days - Somerville, OH

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Somerville, OH

Average daylight / Average sunshine - Somerville, 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 months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days
Somerville, OH

Average sunshine days - Somerville, OH

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (8.8 days).

Average UV index
Somerville, OH

Average UV index - Somerville, 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
Somerville, OH

Average visibility - Somerville, OH

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

Somerville, Ohio, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location