Climate and monthly weather forecast
Weirton, WV

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The climate of Weirton

Weirton, West Virginia, USA, primarily belongs to the humid subtropical climate zone, designated as Cfa according to the Köppen climate classification. This category implies the region experiences a fairly humid climate without a specific dry season. Being located in West Virginia, along the Ohio River, this location experiences a variety of weather conditions throughout the year.

Temperature changes significantly throughout the twelve months, moving from a chilling 20.3°F (-6.5°C) low in January to a peak of 83.3°F (28.5°C) in July, indicating an extensive temperature range. On average, the relative humidity also shows slight variations from 77% to 85%, with the highest values observed during the cooler months of winter, adding to the chilly sensations in the colder seasons. The wind speed typically ranges between 4.7mph (7.6km/h) and 8.1mph (13km/h) while the wind gusts may reach up to 12.4mph (20km/h).

Weirton receives a solid amount of rainfall throughout the year, from 2.17" (55mm) in November to 3.19" (81mm) in May. The city experiences a larger number of rainfall days during the warmer months with the maximum, 20.5 days, in May. However, snowfall is not uncommon during the winter, with January and December witnessing up to 5" (127mm) and 3.43" (87mm), respectively..

The Best Time to Visit Weirton

Taking into consideration the weather details, temperature, and precipitation, the optimal time for visiting Weirton would be from May to September. During these months, the average temperature scales from a comfortable 60.1°F (15.6°C) to a warm 81.9°F (27.7°C). Simultaneously, it's the period with the most daylight hours, varying from 13.3 hours to 15 hours per day, providing ample opportunity for day-time activities.

The Worst Time to Visit Weirton

Conversely, the least favored time for visiting Weirton are the winter months, specifically from December to February. During these months, temperatures can drop to as low as 20.3°F (-6.5°C) to 22.6°F (-5.2°C), coupled with snowfall reaching up to 5" (127mm) implying harsh weather conditions.

Spring Weather in Weirton

Spring season in Weirton, encompassing March, April, and May, features rapidly rising temperatures, from 47.3°F (8.5°C) to a pleasant 60.1°F (15.6°C) in March and reaching up till 72.1°F (22.3°C) in May. The daylight hours follow the same ascending trend, from 12 hours in March to 14.4 hours in May offering an abundance of daylight for outdoor activities.

Summer Weather in Weirton

The months of June, July, and August form the summer season in Weirton. The temperature peaks in July, reaching up to 83.3°F (28.5°C) accompanied by maximum daylight hours, up to 15 hours, and the lowest cloud% around 37% to 41% allowing for clearer skies.

Autumn Weather in Weirton

The months of September, October, and November usher in the transition from hot to cold weather in Weirton. The temperature follows a decreasing trend from 75.2°F (24°C) in September to 49.1°F (9.5°C) in November, coupled with a reducing daylight period from 12.5 hours to 9.9 hours.

Winter Weather in Weirton

Winter in Weirton, from December through February, encounters the lowest temperatures of the year, descending to as low as 20.3°F (-6.5°C). Monthly snowfall peaks at 5" (127mm) in January, significantly reducing visibility to a minimum of 4 miles. This season also brings the shortest daylight periods, from 9.3 hours in December to 9.7 hours in February suggesting a potentially gloomy atmosphere.

Weather in January

The New Year in Weirton, West Virginia commences with a chilly embrace. The city witnesses minimum daylight of 9.7 hours with a relative humidity of 84%, offering a frosty winter experience. Snowfall becomes a common sight with a more pronounced occurrence than in February or December, flurrying down over half of the month. Weather in January »

Weather in February

In February, temperatures broadly persist in the cool spectrum, albeit slightly higher than January, enabling slightly more outdoor activity. The city receives additional daylight of about an hour and maintains a similar humidity pattern as in January. Weather in February »

Weather in March

As spring approaches in March, Weirton experiences an obvious shift. Compared to the previous months, daylight extends by over an hour and the average sunlight reaches 5.3 hours per day. Rainfall becomes more pronounced than in February, with statistics showing this increase in precipitation. Weather in March »

Weather in April

The charm of spring is further established in April as Weirton, West Virginia, sees an even greater amount of daylight, along with a surge in temperatures peaking at 60.1°F (15.6°C). Rainfall in the city becomes the most significant this month, adding a fresh appeal to the already flourished greenery. Weather in April »

Weather in May

May introduces warmer conditions in Weirton with the onset of the summer season. A noticeable reduction in cloud cover leads to an increasing hours of sunshine, totaling 8.6 hours per day. Residents bid farewell to the winter chill with temperatures touching a maximum of 72.1°F (22.3°C). Weather in May »

Weather in June

June in Weirton results in a classic summertime weather, with abundant sunshine and mild temperatures peaking at 78.8°F (26°C). Compared to May, the month experiences the most sunshine hours, allowing residents to appreciate the longest days of the year. Weather in June »

Weather in July

July, typically the hottest month across various regions, records the highest temperatures in Weirton, with highs reaching 83.3°F (28.5°C). A good amount of precipitation observed satisfies the city with rainfall spread over more than half the month. Weather in July »

Weather in August

August in Weirton brings a slight dip in temperatures, marking the beginning of the end of the scorching summer heat. It records an appreciable amount of sunshine daily, although slightly less than July. The frequency of rainfall begins to recede from its peak in July but continues to be a regular feature. Weather in August »

Weather in September

Transitioning into autumn, September observes a significant drop in temperatures from 81.9°F (27.7°C) in August to 75.2°F (24°C). Daylight hours gradually dwindle, with the amount of direct sunlight also decreasing. Weather patterns indicate a continuity in the frequency and volume of rainfall. Weather in September »

Weather in October

Autumn marks its real presence in October with temperatures in Weirton further dipping, recording highs of 61.9°F (16.6°C). With the UV index dwindling, residents can anticipate more comfortable outdoor activities. Despite less sunshine and daylight, October sees a fall in the number of rainy days. Weather in October »

Weather in November

November in Weirton is characterized by a definite switch into cooler temperatures with highs reaching 49.1°F (9.5°C). With a rising number of cloudy days, sunshine hours decrease remarkably, inducing a more relaxed rhythm of life. Weather in November »

Weather in December

December, the curtain-closer of the calendar, envelops Weirton, West Virginia, in cold winter weather, with temperatures dropping to a high of 39.6°F (4.2°C). Daylight hours dwindle further, underlining shrunken days of winter while snowfall occurs over a third of the month. Weather in December »

Frequently asked questions

What is the coldest month?

Weirton reaches its average lowest temperatures in January, measuring 33.1°F (0.6°C) at the peak and 20.3°F (-6.5°C) at the lowest.

How much does it rain?

In Weirton, during the entire year, the rain falls for 175.9 days and collects up to 31.22" (793mm) of precipitation.

When does it snow?

January through May, October through December are months with snowfall.

What is the snowiest month in Weirton?

January is the month with the most snowfall. Snow falls for 15.5 days and accumulates 5" (127mm) of snow.

How many days does it snow?

Throughout the year, there are 56.5 snowfall days, and 19.41" (493mm) of snow is accumulated.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 2.9h of sunshine.

What is the most humid month?

The most humid month is February, with an average relative humidity of 85%.

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 are the least humid months in Weirton?

The months with the lowest humidity are April, July and August, with an average relative humidity of 77%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 20.5 days and typically aggregates up to 3.19" (81mm) of precipitation.

When it does not snow?

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

When are the longest days?

With an average of 15h and 0min of daylight, June has the longest days of the year.

What is the month with the highest UV index?

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

What time of the year is the hottest?

July temperatures in Weirton tend to peak at an average high of 83.3°F (28.5°C) and dip to a low of 61.3°F (16.3°C).

What are the months with the most sunshine?

July and August, with an average of 10h of sunshine, are months with the most sunshine.

What is the driest month in Weirton?

November is the month with the least rainfall. Rain falls for 11.1 days and accumulates 2.17" (55mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

When is the lowest UV index?

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

Average temperature
Weirton, WV

Average temperature - Weirton, WV

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.1°F).

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure
Weirton, WV

Average pressure - Weirton, WV

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Weirton, WV

Average wind speed - Weirton, WV

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity
Weirton, WV

Average humidity - Weirton, WV

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall
Weirton, WV

Average rainfall - Weirton, WV

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is November (2.17").

Average rainfall days
Weirton, WV

Average rainfall days - Weirton, WV

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.4 days).

Average snowfall
Weirton, WV

Average snowfall - Weirton, WV

The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Weirton, WV

Average snowfall days - Weirton, WV

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Weirton, WV

Average daylight / Average sunshine - Weirton, WV

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days
Weirton, WV

Average sunshine days - Weirton, WV

The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are January and May (8.8 days).

Average visibility
Weirton, WV

Average visibility - Weirton, WV

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).

Weirton, West Virginia, USA

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