Climate and monthly weather forecast
Gastonia, NC

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The climate of Gastonia

Gastonia, located in North Carolina, USA, is characterized by a Humid subtropical climate, no dry season, classified as Cfa according to the Köppen climate classification. This classification is mainly attributed to the city's position in the southeast of the country and its proximity to the Atlantic Coast which impacts its climate.

Throughout the year, temperatures fluctuate noticeably with the coldest month representing averages of 33.1°F (0.6°C) and the hottest reaching up to 90.5°F (32.5°C). During the winter months, temperatures range from 33.1°F (0.6°C) to 52.7°F (11.5°C), whereas the summer months exhibit hotter conditions, with temperatures soaring between 79.3°F (26.3°C) and 90.5°F (32.5°C). This suggests a significant seasonal variation in temperatures. Additionally, there's hardly any snowfall observed, except in January and December, of about 1.46" (37mm) and 2.09" (53mm) respectively.

In regards to rainfall, Gastonia doesn't exhibit a dry season. However, from an analysis of the weather parameters, August is the wettest month, seeing up to 3.46" (88mm) of rain. On the other hand, the driest month is October with about 2.13" (54mm) of rainfall. Unlike rainfall, humidity levels remain relatively constant throughout the year, registering averages of approximately 72%.

Focusing on the wind, it is observed that Gastonia experiences speeds varying from 4.2mph (6.8km/h) to 7.3mph (11.7km/h). The city experiences the most wind in February with an average speed of 7.1mph (11.4km/h). Another noteworthy weather pattern includes regular sunshine hours, where June boasts the most with 10.8 hours per day, contrasted by December that only exhibits around 5.4 hours per day.

The best time to visit Gastonia

Based on the climate parameters, the most pleasant months to visit Gastonia are from April to June. During this period, temperatures range from 60.4°F (15.8°C) to 79.3°F (26.3°C), falling within a comfortable span for most outdoor activities. Moreover, the average daylight hours are quite generous, peaking at 14.5 hours in June, which means more time for sightseeing and exploring.

The worst time to visit Gastonia

Owing to the relative humidity levels and high temperatures, the least favorable time for a visit to Gastonia is between July and August. Despite the robust daylight hours, the summer heat can mount to an undesirable 90.5°F (32.5°C) in July. Additionally, August records the highest average rainfall per month, which might interfere with outdoor plans.

Spring weather in Gastonia

Spring in Gastonia lasts from March to May. The weather during this time sees a rise in temperatures from an average low of 42.4°F (5.8°C) in March to a high of 79.3°F (26.3°C) in May. Meanwhile, the average rainfall also shows an increase to a peak of 3.19" (81mm) in April. The city receives ample sunshine hours, gradually extending as spring months progress. It is a generally pleasant and attractive season.

Summer weather in Gastonia

The city witnesses its summer from June to August. The temperatures soar during this period with an average peak of 90.5°F (32.5°C) in July. It is important to note that it also registers the highest average monthly rainfall of 3.46" (88mm) in August. However, the wind speed is relatively low, providing little relief from the scorching heat.

Autumn weather in Gatonia

Autumn in Gastonia occurs from September to November. During this time, Gastonia undergoes a significant drop in temperatures from 82.9°F (28.3°C) in September to a lower 59.4°F (15.2°C) by November. Rainfall levels decrease too, with November accounting for about 2.6" (66mm) on average. The average sunshine hours gradually decrease throughout the season, signaling the onset of winter.

Winter weather in Gastonia

Winter season in Gastonia is from December to February. These months are characterized by lower temperatures, ranging from 33.1°F (0.6°C) to 53.8°F (12.1°C) and minimal rainfall. Snowfall is also a distinctive feature, with December and January registering 2.09" (53mm) and 1.46" (37mm) respectively. The hours of sunshine are at their annual low as well. Despite the cold, the city's winter can be an appealing period with its brisk and snowy scenery.

Weather in January

Weather in Gastonia, North Carolina starts the year with a somewhat chilly temperature. Compared to the warmer months to follow, January sees highs typically reach 48.7°F (9.3°C) while the lows touch a wintry 33.1°F (0.6°C). Weather in January »

Weather in February

Weather transitions in Gastonia in February exhibit an upward trend in temperature from those in January. This month is an ideal time to enjoy the outdoors before the heat of the summer sets in. While temperatures are increasing, February also brings in a slightly increased chance of rainfall. Weather in February »

Weather in March

Wind speeds in Gastonia are at the highest of the year reaching 7mph (11.3km/h) on average in March. With spring's arrival, March experiences a welcome surge in daylight hours along with a drop in cloud coverage. Corresponding to these changes, the days start to warm up with a noticeable difference from the cooler months just passed. Weather in March »

Weather in April

Gastonia's weather in April sees a significant rise in the temperature into the more comfortable 70's. Enjoy clear, long days with an average of 13.1 hours of daylight and 9 hours of sunshine. The pleasant weather makes for ideal conditions for spending time outdoors. Weather in April »

Weather in May

May signifies the onset of summer with Gastonia's weather showing a significant leap in temperature. The evenings too are warm, and a night out would not require a heavy jacket. With long sunny days, May offers the opportunity to enjoy outdoor recreation. Weather in May »

Weather in June

June is when the summer season is in full swing in Gastonia. We begin to see the highest temperatures of the year averaging around 87.3°F (30.7°C). The days are also the longest with daylight lasting for around 14.5 hours. Thankfully, the heat is tempered by low wind speeds, making the weather quite bearable. Weather in June »

Weather in July

Heat further intensifies in Gastonia in July, with temperatures peaking to the annual maximum average of 90.5°F (32.5°C). It's the pinnacle of summer, and the city basks in the daylight for about 14.3 hours. Many locals find this month quite damp due to increased humidity. Weather in July »

Weather in August

August offers consistently warm weather with similar conditions to July in Gastonia. The temperatures remain high but begin to show a gradual decrease from the peak of summer. Bear in mind, residents still get to enjoy plenty of sunshine with daylight lasting for about 13.5 hours. Weather in August »

Weather in September

September in Gastonia marks the beginning of the fall, and the weather sees a welcome relief from the summer's intense heat. September, with its cooler temperatures, ushers a perfect transition from the hot summer to the crisp fall. Weather in September »

Weather in October

October brings in the feel of full autumn in Gastonia with cooler temperatures settling in. This month witnesses a significant decrease in temperature and daylight hours from September. Fall foliage exhibits stunning hues across the city, making it an ideal time for photographers and nature lovers. Weather in October »

Weather in November

Gastonia starts to experience a steady drop in temperatures this month, a strong indication of the approaching winter. The days continue to shorten, and the wind conditions remain more or less steady. November carries the late autumn weather into the holiday season. Weather in November »

Weather in December

December marks the arrival of winter in Gastonia with temperatures dropping to an average low of 38.1°F (3.4°C). The city winds down the year with shorter days, less sunlight, and a frequent shroud of cloud coverage. At this time, Gastonia experiences an increase in snowfall with an average of 2.09" (53mm). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Gastonia?

With an average high-temperature of 48.7°F (9.3°C) and an average low-temperature of 33.1°F (0.6°C), January is the coldest month in Gastonia, North Carolina.

How much does it rain in Gastonia?

In Gastonia, during the entire year, the rain falls for 164 days and collects up to 32.91" (836mm) of precipitation.

When does it snow in Gastonia?

January through March, November and December are months with snowfall in Gastonia, North Carolina.

How many days does it snow in Gastonia?

In Gastonia, North Carolina, during the entire year, snow falls for 4.9 days and aggregates up to 5.55" (141mm) of snow.

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

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

When is Daylight Saving Time (DST) in Gastonia?

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

In Gastonia, snow does not fall in April through October.

What is the most humid month in Gastonia?

The months with the highest humidity in Gastonia, North Carolina, are May and December, with an average relative humidity of 75%.

When is the highest UV index in Gastonia?

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

When are the longest days in Gastonia?

With an average of 14h and 30min of daylight, June has the longest days of the year in Gastonia, North Carolina.

What time of the year is the hottest in Gastonia?

In Gastonia, North Carolina, the average highest temperatures are observed in July, with a high of 90.5°F (32.5°C) and a low of 69.4°F (20.8°C).

What is the least humid month in Gastonia?

July is the least humid month in Gastonia, North Carolina, with an average relative humidity of 70%.

What month has the most sunshine in Gastonia?

With an average of 10.9h of sunshine, July has the most sunshine of the year.

What is the wettest month in Gastonia?

August is the month with the most rainfall in Gastonia. Rain falls for 18.3 days and accumulates 3.46" (88mm) of precipitation.

What is the driest month in Gastonia?

October is the month with the least rainfall in Gastonia, North Carolina. Rain falls for 10.1 days and accumulates 2.13" (54mm) of precipitation.

What is the snowiest month in Gastonia?

December is the month with the most snowfall in Gastonia. Snow falls for 0.6 days and accumulates 2.09" (53mm) of snow.

What is the month with the shortest days in Gastonia?

With an average of 9h and 48min of daylight, December has the shortest days of the year in Gastonia, North Carolina.

What is the month with the least sunshine in Gastonia?

December has the least sunshine of the year, with an average of 5.4h of sunshine.

Average temperature
Gastonia, NC

Average temperature - Gastonia, NC

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (48.7°F).

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

Average pressure
Gastonia, NC

Average pressure - Gastonia, NC

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed
Gastonia, NC

Average wind speed - Gastonia, NC

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

Average humidity
Gastonia, NC

Average humidity - Gastonia, NC

The months with the highest relative humidity are May and December (75%).
The month with the lowest relative humidity is July (70%).

Average rainfall
Gastonia, NC

Average rainfall - Gastonia, NC

The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is October (2.13").

Average rainfall days
Gastonia, NC

Average rainfall days - Gastonia, NC

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is November (9.4 days).

Average snowfall
Gastonia, NC

Average snowfall - Gastonia, NC

The month with the highest snowfall is December (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Gastonia, NC

Average snowfall days - Gastonia, NC

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Gastonia, NC

Average daylight / Average sunshine - Gastonia, NC

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

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days
Gastonia, NC

Average sunshine days - Gastonia, NC

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (10.3 days).

Average UV index
Gastonia, NC

Average UV index - Gastonia, NC

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 and December (UV index 2).

Average cloud cover
Gastonia, NC

Average cloud cover - Gastonia, NC

The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).

Average visibility
Gastonia, NC

Average visibility - Gastonia, NC

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

Gastonia, North Carolina, USA

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