Climate and monthly weather forecast
Vermilion, OH

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The climate of Vermilion

Resting in the heart of Ohio, USA, Vermilion boasts a humid continental climate, devoid of dry seasons but with hot summers, precisely identified under the Köppen climate classification as Dfa. As Vermilion navigates through the course of the year, its weather patterns exhibit distinct changes, reflecting the typical characteristics of a continental climate.

Traversing depths as low as 21.9°F (-5.6°C) in January to the mercury soaring as high as 76.6°F (24.8°C) in July, the temperatures in Vermilion manifest a broad range of shifts. These shifts in temperatures are accompanied by variations in relative humidity that stagnates around 77% to 84% throughout the year. When it comes to precipitation, Vermilion records rainfall with an oscillation from 0.67" (17mm) in February to 1.38" (35mm) in June. Focusing on snowfall, which is a characteristic attribute of a continental climate, it showcases values peaking at 1.34" (34mm) in February and touching zero from May to October.

Illustrating distinct weather conditions, Vermilion witnesses the highest average temperature, relative humidity, and rainfall in July implying that this month experiences highly humid and warm conditions. In contrast, January emerges on the timeline as a dominantly frozen month due to its lowest average temperature and highest snowfall.

The best time to visit Vermilion

Determining the ideal time to visit Vermilion requires considering factors such as daylight hours, sunshine hours, and the UV index. In June, when daylight hours reach their pinnacle at 15.1 hours, Vermilion is at its bright and sunny best. With average sunshine hours registering a high of 10.6 hours and a UV index of 6, July makes for a perfect time for sunbathing and outdoor activities.

The worst time to visit Vermilion

To pin down the least favorable time to visit Vermilion, weather elements such as temperature, rainfall, and snowfall come into the picture. January distinguishes itself as a less desirable month due to its lowest average temperatures which tumble down to 21.9°F (-5.6°C). The high average snowfall of 1.06" (27mm) in January further substantiates the challenging weather conditions. Additionally, the high rainfall of 1.38" (35mm) in June may not be appealing to those visitors averse to wetter conditions.

Spring weather in Vermilion

With the shift of seasons from winter to spring, Vermilion experiences gradual elevations in the average temperatures, rising from 40.3°F (4.6°C) in March to 60.8°F (16°C) in May. During this phase, the length of daylight also extends from 12 hours in March to 14.5 hours in May. However, spring heralds greater rainfall, escalating from 0.83" (21mm) in March to its peak at 1.38" (35mm) in May, while snowfall dissipates entirely by May.

Summer weather in Vermilion

Summer brings warmth to Vermilion with temperatures fluctuating within the range of 60.6°F (15.9°C) and 76.6°F (24.8°C) from June through August. Aside from temperature, the summer season is marked by a moderate dip in relative humidity, descending to around 77% and staying lower than the rest of the year. However, rainfall maintains its rhythm, ranging within 1.38" (35mm) to 1.22" (31mm) during this period.

Autumn weather in Vermilion

As Vermilion transitions into autumn, a noticeable drop in average temperature from 70.7°F (21.5°C) in September to 47.1°F (8.4°C) in November occurs. In tandem with the temperatures, daylight hours contract from 12.5 hours in September to under 10 hours in November. Simultaneously, there is a slight increase in relative humidity, restoring it to around 80% by November, while rainfall averages wiggle around 1.22" (31mm) in September and October before dropping to 0.75" (19mm) in November.

Winter weather in Vermilion

Winter in Vermilion can be described as cold, with temperatures ranging between 30.9°F (-0.6°C) in December and 21.9°F (-5.6°C) in January. In addition, clouds dominate the Vermilion sky with cloud cover intensity soaring to 69% in December and peaking at 80% in January. The winter season witnesses an upswing in snowfall, which intensifies from 0.35" (9mm) in December to 1.06" (27mm) in January. Despite the wintry conditions, on the upside, December offers the longest sunshine hours at 4.8 hours compared to the rest of the winter months.

Weather in January

Turning the corner into the new year, Vermilion, Ohio greets January with a cloak of cold and a gust of wind. The city experiences snowfall amounting to 1.06" (27mm), sprawled across approximately 12.2 days. As the days go by, the flurries of winter create a picturesque scene worth capturing. Weather in January »

Weather in February

It would appear that February follows in January's footsteps, with a slight increase in temperatures. Vermilion experiences temperatures oscillating between a chilly 23.9°F (-4.5°C) and 32.9°F (0.5°C). Winter upholds its reign, with the snow making an encore appearance though not as intensive as the previous month. Weather in February »

Weather in March

The advent of March heralds the arrival of spring in Vermilion, Ohio. As winter's icy grip loosens, temperatures begin to climb, reaching a more tolerable 30.7°F (-0.7°C) to 40.3°F (4.6°C). Glimmers of spring fever can be seen in the increase in daylight and sunshine hours. Weather in March »

Weather in April

April is a month of transition for Vermilion. Mother Nature adjusts the temperature control, bringing a delightful warmth, especially compared to the biting cold of previous months. However, the city basks in the glow of an appreciable 7.5 hours of sunshine daily. Weather in April »

Weather in May

May continues the warming trend in Vermilion with temperatures comfortably sledding into the vibrant 50s°F. As spring matures, the city receives a monthly rainfall of 1.34" (34mm), making it one of the wetter months. Though May signifies the departure of snowfall, keep in mind that late afternoon thundershowers are a common occurrence. Weather in May »

Weather in June

June in Vermilion, Ohio is synonymous with the advent of beaming summer days characterized by increased daylight hours. Going by the climatic patterns, the temperature elevates to a balmy median of 60.6°F (15.9°C) to 70.3°F (21.3°C). Weather in June »

Weather in July

July in Vermilion embodies the essence of summer with temperatures fluctuating between a scorching 66.9°F (19.4°C) and 76.6°F (24.8°C). Riding on the coattails of June, the city experiences a commendable daylight duration of at the peak of 15.1 hours. Weather in July »

Weather in August

August gives Vermilion dwellers a final taste of summer before its inevitable retreat. While the increases might seem trivial, it's important to remember that each degree can be felt during these ultimate summer days. Towards the end of August, temperatures start to cool off, signaling the arrival of fall. Weather in August »

Weather in September

As Vermilion transitions into fall in September, temperatures begin to simmer down ranging from 61°F (16.1°C) to 70.7°F (21.5°C). This month boasts a delightful blend of summer warmth and autumn chill. Offering a taste of respite from the summer heat, the drop in temperature is evident in the residents' wardrobe switch. Weather in September »

Weather in October

October in Vermilion showcases a beautiful palette of fall colors. As temperatures continue their descent, the city prepares for winter's herald. The city experiences cooler temperatures along with an increase in wind speeds, averaging 11.9mph (19.2km/h). Weather in October »

Weather in November

November ushers in the early onset of winter with temperatures plummeting to a chilly range of 38.7°F (3.7°C) to 47.1°F (8.4°C) on an average. Marking the end of fall, this month is characterized by a more significant drop in temperature. Weather in November »

Weather in December

As the conclusion of the yearend approaches, December in Vermilion, Ohio, is adorned with a thick winter blanket. A stark contrast to the temperate summer months, the city is dominated by cold temperatures and gusty winds. This month greets residents with an average snowfall of 0.71" (18mm) spread across approximately 8.8 days. Weather in December »
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Frequently asked questions

What month is the coldest in Vermilion?

January, having an average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 21.9°F (-5.6°C), is the coldest month in Vermilion, Ohio.

How much does it rain in Vermilion?

In Vermilion, Ohio, during the entire year, the rain falls for 138.4 days and collects up to 12.28" (312mm) of precipitation.

When does it snow in Vermilion?

Months with snowfall in Vermilion, Ohio, are January through April, November and December.

How many days does it snow in Vermilion?

Throughout the year, in Vermilion, there are 43.5 snowfall days, and 4.25" (108mm) of snow is accumulated.

What is the month with the least sunshine in Vermilion?

January has the least sunshine of the year, with an average of 3.1h of sunshine.

What is the most humid month in Vermilion?

With an average relative humidity of 84%, February is the most humid month in Vermilion.

What is the driest month in Vermilion?

The month with the least rainfall is February, when the rain falls for 7.1 days and typically collects 0.67" (17mm) of precipitation.

What is the snowiest month in Vermilion?

The month with the most snowfall in Vermilion, Ohio, is February, when snow falls for 10.7 days and typically aggregates up to 1.34" (34mm) of snow.

When is the ocean coldest in Vermilion?

February is the month with the coldest seawater in Vermilion, Ohio, with an average ocean temperature of 33.1°F (0.6°C).

When is Daylight Saving Time (DST) in Vermilion?

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

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

What is the wettest month in Vermilion?

June is the month with the most rainfall in Vermilion, Ohio. Rain falls for 14.5 days and accumulates 1.38" (35mm) of precipitation.

When are the longest days in Vermilion?

With an average of 15h and 6min of daylight, June has the longest days of the year.

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

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

What are the warmest months in Vermilion?

In Vermilion, the peak temperatures are generally noted in July, averaging a high of 76.6°F (24.8°C) and a low of 66.9°F (19.4°C).

What month has the most sunshine in Vermilion?

July has the most sunshine of the year in Vermilion, Ohio, with an average of 10.6h of sunshine.

When is the ocean warmest in Vermilion?

The month with the warmest seawater is August, with an average ocean temperature of 76.6°F (24.8°C).

What are the least humid months in Vermilion?

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

What is the month with the shortest days in Vermilion?

December has the shortest days of the year in Vermilion, with an average of 9h and 12min of daylight.

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

December is the month with the lowest UV index in Vermilion, Ohio, with an average maximum UV index of 1.

Average temperature
Vermilion, OH

Average temperature - Vermilion, OH

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.9°F).

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure
Vermilion, OH

Average pressure - Vermilion, OH

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Vermilion, OH

Average wind speed - Vermilion, OH

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

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Average humidity
Vermilion, OH

Average humidity - Vermilion, OH

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall
Vermilion, OH

Average rainfall - Vermilion, OH

The wettest month (with the highest rainfall) is June (1.38").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days
Vermilion, OH

Average rainfall days - Vermilion, OH

The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall
Vermilion, OH

Average snowfall - Vermilion, OH

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

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Average snowfall days
Vermilion, OH

Average snowfall days - Vermilion, OH

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature
Vermilion, OH

Average sea temperature - Vermilion, OH

The best month for swimming (with the highest average sea temperature) is August (76.6°F).
The coldest month (with the lowest average sea temperature) is February (33.1°F).

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Average daylight / Average sunshine
Vermilion, OH

Average daylight / Average sunshine - Vermilion, OH

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days
Vermilion, OH

Average sunshine days - Vermilion, OH

The month with the most sunshine days is March (15 days).
The month with the least sunshine days is January (12.1 days).

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Average visibility
Vermilion, OH

Average visibility - Vermilion, OH

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

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Vermilion, Ohio, USA

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