Climate and monthly weather forecast
Gary, WV

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The climate of Gary

Gary, West Virginia is characterized by its Cfa climate per the Köppen climate classification, which denotes a humid subtropical climate, devoid of a dry season. Shaped by the surrounding Appalachian Mountains, the weather varies over the seasons, displaying annual changes in temperature, humidity, rainfall, and other climatological elements.

The annual temperatures in Gary range from as low as 25°F (-3.9°C) in the winter months to as high as 83.5°F (28.6°C) during the summer months. The average relative humidity is consistently high throughout the year, reaching cruising levels of between 76% and 82%. The climate here experiences rainfall quite regularly, with a yearly rainfall measuring between 1.54" (39mm) and 3.19" (81mm). Mirroring the rainfall patterns, the number of rainfall days per month sees a variation from 10.1 days to 19.7 days, indicating a wet environment throughout the year.

Gary sees snowfall from November to March with peak snowfall in December and January measuring 4.41" (112mm) and 4.33" (110mm), respectively. It records the highest snowfall days in December with 7.8 days. Light levels fluctuate with the changing of seasons and daylight hours range from 9.6 hours to 14.7 hours per day whereas sunshine hours vary from 4.2 to 10.1 hours per day. The UV index ranges from 2 to 6 indicating moderate exposure.

The visibility in Gary remains consistent at 5 miles for most of the year except for April and November when it increases slightly to 6 miles. Cloud cover in this region varies from 36% to 60% with peak cloudiness during the winter months. The atmospheric pressure remains fairly consistent throughout the year, fluctuating between 29.99" (762mm) to 30.16" (766mm).

Wind plays a significant role in the climate of Gary with average wind speeds varying from 4.2mph (6.8km/h) to 7.3mph (11.7km/h). The maximum recorded wind speeds range from 7.8mph (12.6km/h) to 4.7mph (7.6km/h), while the wind gusts have variations from 6.8mph (10.9km/h) to 11.1mph (17.9km/h).

The best time to visit Gary

To fully enjoy the outdoor beauty of Gary, the best time to visit is from May to September. During this period, temperatures range from 63.7°F (17.6°C) to 83.5°F (28.6°C), making it ideal for outdoor activities. The highest level of sunshine, up to 10.1 hours a day, is recorded in these months, maximizing daylight activities. Additionally, rainfall quantity is relatively low and steadily spread out throughout these months, meaning even rainy days should not significantly disrupt plans.

The worst time to visit Gary

The winter months from December to February are generally not the best time to visit Gary as the weather can be quite bitter with temperatures ranging from 25°F (-3.9°C) to 44.4°F (6.9°C). These months also witness increased snowfall with up to 4.41" (112mm) of snow in December. Reduced daylight hours, ranging from 9.6 to 10.8 hours and reduced sunshine of only 4.2 to 5.1 hours a day, make outdoor activities less enjoyable. The increased cloud cover and wetness from snowfall can result in slippery and difficult travel conditions.

Spring weather in Gary

The Spring season in Gary is marked by increasing temperatures, ranging from 35.1°F (1.7°C) to 63.7°F (17.6°C), and relatively stable rainfall, with average rainfall varying from 2.36" (60mm) to 2.68" (68mm). The number of daylight hours steadily increases from 12 hours in March to 14.2 hours by May. Despite the increasing warmth, occasional snowfall is observed as late as April, although it decreases to an insignificant 1.06" (27mm).

Summer weather in Gary

Summer in Gary is welcoming with the warmest temperatures, ranging from 72.9°F (22.7°C) to 83.5°F (28.6°C), and a decline in relative humidity. With up to 14.7 daylight hours in June, plenty of sunbathing opportunities present themselves. Rainfall is spread consistently throughout the summer months with precipitation varying from 2.28" (58mm) to 2.6" (66mm). However, there is virtually no snowfall, further enhancing the ideal conditions for outdoor activities.

Autumn weather in Gary

Autumn season in Gary sees a gradual cool-down with temperatures decreasing from 76.3°F (24.6°C) to 52.5°F (11.4°C). Despite the cooling temperatures, this period sees a relative increase in sunlight hours from 8.4 hours in September to 11.2 hours in November. Rainfall varies between 1.54" (39mm) and 2.48" (63mm), while snowfall begins to show up in November, although it remains a rare event at this time with an average snowfall of 1.3" (33mm) in November.

Winter weather in Gary

Winter in Gary is cold and often grey with temperatures ranging from 25°F (-3.9°C) to 44.4°F (6.9°C). There is a dramatic decrease in daylight hours during these months, from 10.2 hours to a mere 9.6 hours in December. However, the hours of sunshine also drop, with just 4.7 hours of sunlight per day in December. The most significant aspect of Gary’s winter is the snowfall, peaking at 4.41" (112mm) in December. The weather during these months can be quite challenging for those unprepared for the severe cold and increased snowfall.

Weather in January

January sees the transition from the fresh chill of the end of the year to the harsh winter in Gary, West Virginia. Typical of this month are cloudy skies, frequent snowfall and experience rather cold temperatures. The climate data shows that January, with a minimal temperature of 25°F (-3.9°C) and snowfall reaching up to 4.25" (108mm), is the period of peak coldness. Weather in January »

Weather in February

With Gary still firmly held in winter's grasp, February continues on the chilly theme initiated in January. The city encounters more of those days where thick gloves and winter hats are a necessity. Slightly warmer average temperatures do occur, going up to 43.9°F (6.6°C) from January’s colder climate, yet it remains a predominantly cold month. Weather in February »

Weather in March

March, a changing weather month, symbolizes the beginning of a transition from winter to spring in Gary. The grip of the cold begins to loosen, giving way to slightly warmer temperatures and decreasing amounts of snowfall. The highest temperature starts to climb towards 51.8°F (11°C), offering relief from the biting winter cold. Weather in March »

Weather in April

April brings spring in full bloom to Gary, characterized by milder days and rainfall promoting the growth of new life. The last remnants of winter snow finally melt, and the city begins to warm up noticeably. Surpassing the weather of preceding months, April sees average temperatures rise to 63.7°F (17.6°C), a significant leap towards a warmer climate. Weather in April »

Weather in May

Come May, residents of Gary, West Virginia start feeling the early whispers of summer. The days gradually extend, setting a fantastic backdrop for the diffusion of vibrant spring hues across the town. Treading on the path of the warmer April, May records an impressive maximum temperature of 72.9°F (22.7°C). Weather in May »

Weather in June

June is when Gary begins to experience the full strength of the summer season. Longer days and higher temperatures signal the arrival of outdoor recreational activities. Although there is a visible rise in humidity, the temperature soars to a comfortable maximum of 80.2°F (26.8°C). Weather in June »

Weather in July

July is at the heart of summer in the city of Gary. As the warm, sunny days continue, people will find many reasons to enjoy their time outdoors. The city experiences its highest temperature in July, reaching a peak of 83.5°F (28.6°C). Weather in July »

Weather in August

August carries forward the warmth of July in Gary but starts to hint at the upcoming fall. Mild wind and warm temperature frame serene sunny days, ideal for lazily soaking up the sun in gardens or parks. Although the maximum temperature holds steady at around 82°F (27.8°C), signs of summer dissolving begin to surface. Weather in August »

Weather in September

September brings about the arrival of fall in Gary, with a noticeable dip in temperatures and a shift in the landscape’s color palette. As the lush summer green gradually fades, citrine and amber hues take over, casting a beautiful glow over the city. Weather in September »

Weather in October

October witnesses a full summation of fall in Gary, with weather being a blend of temperate and crisp thus, presenting a unique charm. The city truly resembles a painting, dominated by hues of red, orange, and yellow. As per the climate data on record, the highest temperature in October falls to 64.2°F (17.9°C), making the days cooler. Weather in October »

Weather in November

November in Gary introduces the city to the early chill of the upcoming winter season. The fall foliage starts to disappear, and the crisp, chilly air begins to hold sway. The maximum temperature observed in November doesn’t escalate beyond 52.5°F (11.4°C). Weather in November »

Weather in December

December welcomes the winter season in full swing in Gary, where snowfall once again becomes a frequent phenomenon. The conclusion of the year sees the landscapes dressed in icy whites, offering picturesque views. Remarkably, December signals the revival of snowfall after summer hiatus, recording 4.41" (112mm). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Gary?

The coldest period in Gary tends to be January, when average temperatures fluctuate between a high of 39.2°F (4°C) and a low of 25°F (-3.9°C).

How much does it rain in Gary?

Throughout the year, there are 172.5 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

When does it snow in Gary?

Months with snowfall in Gary are January through May, October through December.

How many days does it snow in Gary?

In Gary, during the entire year, snow falls for 38.6 days and aggregates up to 20" (508mm) of snow.

What is the month with the least sunshine in Gary?

With an average of 4.2h of sunshine, January has the least sunshine of the year in Gary, West Virginia.

What are the months with the lowest UV index in Gary?

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

What is the most humid month in Gary?

February is the most humid month in Gary, West Virginia, with an average relative humidity of 82%.

When is Daylight Saving Time (DST) in Gary?

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

The month with the most rainfall is May, when the rain falls for 19.7 days and typically aggregates up to 3.19" (81mm) of precipitation.

When it does not snow in Gary?

In Gary, snow does not fall in June through September.

When are the longest days in Gary?

The month with the longest days is June, with an average of 14h and 42min of daylight.

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

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

What is the hottest time of year in Gary?

Gary, West Virginia, records the warmest temperatures in July, averaging a high of 83.5°F (28.6°C) and a low of 60.3°F (15.7°C).

What is the least humid month in Gary?

The months with the lowest humidity in Gary are July, August and November, with an average relative humidity of 76%.

What month has the most sunshine in Gary?

August has the most sunshine of the year in Gary, with an average of 10.1h of sunshine.

What is the driest month in Gary?

September is the month with the least rainfall. Rain falls for 15.2 days and accumulates 1.54" (39mm) of precipitation.

What is the snowiest month in Gary?

The month with the most snowfall is December, when snow falls for 7.8 days and typically aggregates up to 4.41" (112mm) of snow.

What is the month with the shortest days in Gary?

The month with the shortest days is December, with an average of 9h and 36min of daylight.
Today
Tomorrow
Long-term
YearJFMAMJJASOND

Average temperature
Gary, WV

Average temperature - Gary, WV

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure
Gary, WV

Average pressure - Gary, WV

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed
Gary, WV

Average wind speed - Gary, WV

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity
Gary, WV

Average humidity - Gary, WV

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).

Average rainfall
Gary, WV

Average rainfall - Gary, WV

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days
Gary, WV

Average rainfall days - Gary, WV

The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).

Average snowfall
Gary, WV

Average snowfall - Gary, WV

The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Gary, WV

Average snowfall days - Gary, WV

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Gary, WV

Average daylight / Average sunshine - Gary, WV

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days
Gary, WV

Average sunshine days - Gary, WV

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).

Average UV index
Gary, WV

Average UV index - Gary, WV

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

Average cloud cover
Gary, WV

Average cloud cover - Gary, WV

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).

Average visibility
Gary, WV

Average visibility - Gary, WV

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).

Gary, West Virginia, USA

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