Climate and monthly weather forecast
Nitro, WV

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The climate of Nitro

Nitro, nestled in West Virginia, possesses a Cfa climate according to the Köppen climate classification: a humid subtropical climate, with no discernible dry season. A comprehensive study of the climate variables reveals a distinctive pattern reflective of the area's humid subtropical weather.

Appraising the annual meteorological pattern, the temperatures range from a low of 25.9°F (-3.4°C) in winter months, to a high of 86.4°F (30.2°C) in the peak of summer. Throughout the year, Nitro experiences moderate precipitation, with an average rainfall oscillating between 0.83" (21mm) and 1.93" (49mm) per month. Regardless of the season, the city experiences mildly high humidity relative to many regions, oscillating within a band of 75% to 82%.

An intriguing characteristic specific to Nitro's climate is the absence of rainfall in February, creating a particular window of dryness in an otherwise abundantly watered city. This contrasts significantly with May, which sees the most rainfall at 1.93" (49mm). Nitro also has relatively cool winters with December experiencing temperatures as low as 25.9°F (-3.4°C).

The best time to visit Nitro

Offering a varied weather profile, Nitro proves attractive throughout different seasons. However, the most inviting period spans from May to September when the temperatures are warmest, ranging from 75.6°F (24.2°C) to 86.4°F (30.2°C). These months are characterised by long daylight hours, extending from 14.8 hours in June to 12.4 hours in September, allowing visitors ample time to enjoy outdoor activities.

Moreover, despite increasing humidity, alternating between 76% and 78%, and rainfall peaking at 1.93" (49mm) in May, these conditions bring life to the lush subtropical landscape that this region is famous for.

The worst time to visit Nitro

Despite its overall amiable climate, the period from December through February can pose challenges to visitors, particularly for those unaccustomed to colder climates. During this window, temperatures noticeably plunge, recording lows between 25.9°F (-3.4°C) and 32.5°F (0.3°C). Moreover, these months also witness relatively high snowfall, measuring from 1.89" (48mm) to 2.05" (52mm), potentially disrupting travel plans.

During this period, daylight hours reduce to as few as 9.5 hours per day, potentially restricting sightseeing and outdoor activities. The increased cloud cover, peaking at 62% in December, could lead to less favourable conditions for photography or landscape viewing.

Spring weather in Nitro

The metamorphosis from winter to spring is quite noticeable in Nitro. As early as March, temperatures begin rising from 36.5°F (2.5°C) to reach a comfortable 65.3°F (18.5°C) by the end of May. A decline in snowfall occurrence is evident, with March recording a slight 1.5" (38mm), then ceasing entirely from April onwards. The advent of spring also brings a marginal increase in daylight hours, spanning from 12 hours in March to 14.3 hours by May.

Summer weather in Nitro

Summer in Nitro is characterized by warm and slightly wet conditions. June experiences an average high of 82.9°F (28.3°C), which peaks in July at 86.4°F (30.2°C) before gradually receding. While these months receive average rainfall ranging from 1.54" (39mm) to 1.77" (45mm), it does little to curb sun exposure, with daily sunshine hours reaching a high of 9.9 in June and July.

Autumn weather in Nitro

Autumn sees a gradual drop in temperature, with highs lowering from 78.3°F (25.7°C) in September to a still temperate 53.1°F (11.7°C) by November. Rainfall amount also decreases during this period, ranging from 1.34" (34mm) in October to a minimal 0.91" (23mm) by November end. Autumn witnesses slightly less daylight, dropping from 12.4 hours in September to a minimum of 10.1 hours daily by November.

Winter weather in Nitro

Winter in Nitro can be characterized by lower temperatures and higher snowfall. Average highs plunge from 53.1°F (11.7°C) in November to a stark 38.8°F (3.8°C) in January, and average lows reaching a definite chill at 25.9°F (-3.4°C) in the same month. Snowfall, absent throughout most of the year, makes its appearance with an average of 1.89" (48mm) in December, increasing to 2.05" (52mm) in January. Winter months also see shorter daylight hours, averaging 9.9 hours in December and 9.5 hours in January.

Weather in January

The start of the year in Nitro, West Virginia is marked by chilly conditions and the possibility of snowfall, typically around 2.05" (52mm) on average. Despite the fairly cold weather, January can still feature a clear sky on occasion, as it has fewer cloud-cover days when compared to the ensuing months. Weather in January »

Weather in February

February in Nitro sees a slight increase in temperature, welcoming slightly warmer days than previous month. With a 1.61" (41mm) average rainfall, precipitation peaks relative to January and March, making it one of the wetter months of the year. Weather in February »

Weather in March

Warmer days roll into Nitro by March, marking the transition into spring, with noticeably higher average temperatures than February. Rainfall recedes from its February peak, offering drier days. Snowfall experiences a significant drop compared to previous months, drawing towards the end of the snowy season. Weather in March »

Weather in April

Spring takes a firm hold in April with temperatures significantly escalating compared to March. April is distinguishable in terms of precipitation, as Nitro experiences higher averages of rainfall, around 1.46" (37mm). Days continue to lengthen, setting the trend for extended sunshine for the coming summer months. Weather in April »

Weather in May

May brings about a significant shift in Nitro's climate, bidding farewell to any lingering signs of spring and embracing the onset of the summer season. Average temperatures soar relative to April, and rainfall peaks for the first half of the year, averaging at 1.93" (49mm). Weather in May »

Weather in June

In Nitro, June is the threshold to the quintessential summer weather, featuring the highest average temperatures to date. June stands out as the month with the most sunlight, nearly 14.8 hours of daylight. Due to the longer days and higher temperatures, outdoor activities gain popularity. Weather in June »

Weather in July

The climax of summer in Nitro is marked by July, boasting the highest average temperatures at 86.4°F (30.2°C). A shift in the pattern of rainfall occurs as precipitation dips relative to June, thus marking July as one of the drier months. Weather in July »

Weather in August

August ushers in the waning phase of summer, with temperatures dipping ever so slightly from the peaks of July. It’s noticeable, even if minor, that the month's rainfall is lower than July's, at 1.26" (32mm) on average. In addition to the warm temperature, August days retain extensive sunlight hours, though they are beginning to shorten. Weather in August »

Weather in September

September denotes the shift from summer to fall in Nitro, with lower temperatures compared to August. Rainfall continues to fall, making September the driest month of the year, with an average rainfall of just 0.83" (21mm). The shorter daylight hours indicate the ending of the long summer days. Weather in September »

Weather in October

October ushers in the crispness of fall with temperatures significantly lower than in September. Rainfall increases, ranking October among the moderately wet months with averaged 1.34" (34mm) of rain. The daylight hours markedly decrease, paving the way for longer evenings characteristic of the fall. Weather in October »

Weather in November

The prelude to winter is felt in November as Nitro experiences further drops in temperature compared to October. November, peculiar for its drop in rainfall to just 0.91" (23mm), sets the stage for the oncoming winter season with its reduced precipitation. Weather in November »

Weather in December

Winter officially sets in Nitro during December, bringing with it a significant dip in temperature relative to November. Snowfall vastly increases compared to the previous months, culminating at an average of 1.89" (48mm). This transition brings the shortest daylight hours of the year, with sunlit hours a stark contrast to those in summer. Weather in December »
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Nitro notes the coldest temperatures in January, with a average high of 38.8°F (3.8°C) and a low of 25.9°F (-3.4°C).

How much does it rain?

Throughout the year, there are 152.9 rainfall days, and 16.5" (419mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through April, October through December.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 11.2 days and typically aggregates up to 2.05" (52mm) of snow.

How many days does it snow?

In Nitro, during the entire year, snow falls for 37.1 days and aggregates up to 8.27" (210mm) of snow.

What is the month with the least sunshine?

With an average of 3.7h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index?

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

What is the most humid month?

With an average relative humidity of 82%, February is the most humid month.

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 17.8 days and typically aggregates up to 1.93" (49mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

What is the month with the highest UV index?

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

When are the longest days?

June has the longest days of the year, with an average of 14h and 48min of daylight.

What month is the hottest?

In Nitro, July registers the highest temperatures, averaging 86.4°F (30.2°C) at the peak and 63.7°F (17.6°C) at the lowest.

What is the least humid month?

The least humid month in Nitro is August, with an average relative humidity of 75%.

What month has the most sunshine?

With an average of 10.3h of sunshine, August has the most sunshine of the year.

What is the driest month?

September is the month with the least rainfall. Rain falls for 10.8 days and accumulates 0.83" (21mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

Average temperature
Nitro, WV

Average temperature - Nitro, WV

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.8°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 (25.9°F).

Average pressure
Nitro, WV

Average pressure - Nitro, WV

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed
Nitro, WV

Average wind speed - Nitro, WV

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity
Nitro, WV

Average humidity - Nitro, WV

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (75%).

Average rainfall
Nitro, WV

Average rainfall - Nitro, WV

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.83").

Average rainfall days
Nitro, WV

Average rainfall days - Nitro, WV

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall
Nitro, WV

Average snowfall - Nitro, WV

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Nitro, WV

Average snowfall days - Nitro, WV

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Nitro, WV

Average daylight / Average sunshine - Nitro, WV

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Nitro, WV

Average sunshine days - Nitro, WV

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.7 days).

Average UV index
Nitro, WV

Average UV index - Nitro, WV

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

Average visibility
Nitro, WV

Average visibility - Nitro, 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).

Nitro, West Virginia, USA

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