Climate and monthly weather forecast
Arlington, TX

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The climate of Arlington

Arlington, Texas, United States, has a Humid subtropical climate, also known as Cfa in the Köppen climate classification. Geographically located in the central United States, it has a typical weather pattern that is moist and hot in the summer, while winters are often mild with occasional cold spells.

Throughout the year, relative humidity ranges between 55% and 73%, whereas cloud coverage spans from 20% to 40%, indicating a humid climate with a fair share of sunny days. Monthly average temperatures generally oscillate, reaching a peak of 95.9°F (35.5°C) in August while hitting a low of 39°F (3.9°C) in January. There is a noticeable variance in annual rainfall, registering a low of 1.46" (37mm) in February and peaking at 3.98" (101mm) in October. There is hardly any snowfall, suggesting a generally warm climate.

Particularly worthy of note are the summer months of June, July, and August, where the highest temperatures occur, reaching 90.9°F (32.7°C), 94.6°F (34.8°C), and 95.9°F (35.5°C) respectively. Also, October experiences the highest amount of rainfall, amounting to 3.98" (101mm). On the other hand, February records the lowest amount of precipitation with just 1.46" (37mm) of rainfall.

The best time to visit Arlington

While Arlington can be visited at any time, considering its mild winters and hot summers, the months from April to June could be an optimal time. This period offers warm temperatures that range from 67.3°F (19.6°C) in April to 90.9°F (32.7°C) in June. The sunshine hours also oscillate between 7.1 and 10.2 hours during this time, providing ample time for outdoor activities. The period also coincides with a moderate level of rainfall ranging from 2.56" (65mm) to 2.91" (74mm), making it less likely for plans to be disrupted by heavy rains.

The worst time to visit Arlington

For those who prefer to avoid extreme heat and high humidity, the months of July and August may not be ideal for visiting Arlington. During these months, temperatures can reach up to 95.9°F (35.5°C), which, coupled with high humidity levels of 61% and 55% respectively, can make for discomforting weather conditions.

Spring weather in Arlington

In Arlington, spring spans from March to May, marking a transition from mild winter temperatures to the hot summers typical of a humid subtropical climate. During these months, temperatures escalate from 67.3°F (19.6°C) in March to 82.2°F (27.9°C) in May. The average amount of relative humidity in spring is between 70% and 73%, suggesting a moist climate. Rainfall during this period is significant, ranging from 2.72" (69mm) in March to 3.94" (100mm) in May.

Summer weather in Arlington

Arlington experiences summer between June and August. In these months, the city is at its hottest with temperatures escalating from 90.9°F (32.7°C) in June and peaking at 95.9°F (35.5°C) in August. Relative humidity during this season falls between 67% and 55%, indicating a more arid climate compared to the other seasons. Average rainfall in summer fluctuates between 1.89" (48mm) and 2.91" (74mm).

Autumn weather in Arlington

Autumn in Arlington extends from September to November. During this time, temperatures moderate from a high of 88°F (31.1°C) in September to a cooler 64.9°F (18.3°C) in November. Relative humidity in autumn hovers around the 65 to 68% range. Additionally, autumn records significant rainfall with a high of 3.98" (101mm) in October.

Winter weather in Arlington

Winter in Arlington, which spans from December to February, is characterized by mild temperatures and moderate rainfall. The temperatures range from 55.2°F (12.9°C) in December to 58.6°F (14.8°C) in February. The level of relative humidity lies between 64% and 69% during these months. Although there is minimal snowfall, the winter months witness a moderate amount of rainfall varying from 1.46" (37mm) to 1.73" (44mm).

Weather in January

As the chill of winter settles over Arlington, Texas, January ushers in cool temperatures and short daylight hours. Average high temperatures reach 55.2°F (12.9°C), making it one of the coldest months of the year. This period also witnesses mild winds close to 9.2mph (14.8km/h), adding a crispness to the air. Weather in January »

Weather in February

Transitioning from winter to spring, February in Arlington experiences a subtle increase in temperature. Compared to January, February brings slightly higher temperatures, creating a somewhat more pleasant atmosphere. The month also sees an increase in snowfall to 0.79" (20mm), bringing a dash of winter aesthetics. Weather in February »

Weather in March

As the arrival spring takes hold in March, Arlington's temperatures begin to warm noticeably. This period signifies a transition from colder months to a mild and tolerable weather pattern. Daylight hours extend and offer a considerable amount of sunshine, promoting a range of outdoor activities. Weather in March »

Weather in April

April in Arlington brings a significant change, allowing residents to fully embrace the pleasure of spring. The weather is generally warmer than in March and offers the beginning of a vibrant blooming season. With more sunshine hours, outdoor activities, and picnics become increasingly appealing. Weather in April »

Weather in May

May represents the threshold of summer in Arlington, with the climate turning noticeably warmer. It suggests a significant rise in average temperatures, making it one of the hotter months. By this time, rains become more frequent, and the city sees its peak rainfall of the year at 3.94" (100mm). Weather in May »

Weather in June

Entrenched in summer, June accentuates the warm temperatures, making it a season of outdoor activities and barbecues. The landscape of Arlington becomes a spectacle to experience in June as the city basks in the highest sunshine hours of the year. Weather in June »

Weather in July

July is the epitome of summer in Arlington, with the highest average temperatures of the year. The city and its people resonate with the spirit of the season, participating in a plethora of sun-drenched activities. This time marks the year’s longest daylight hours, providing ample time for daytime endeavors. Weather in July »

Weather in August

August maintains the intensity of summer, offering a continuation of balmy weather in Arlington. The city's temperature continues to peak in August, before slowly transitioning into the fall season. The frequency of rainfall moderately increases to 2.4" (61mm), providing temporary relief from the heat. Weather in August »

Weather in September

September signifies the dawn of fall, with a slight drop in temperatures compared to the peak summer months. Paving the way for a more pleasant climate, the weather makes a slow transition from the extremes of summer. As the rain lessens, the landscape of Arlington transforms, enabling residents to relish the unique blend of summer and autumn. Weather in September »

Weather in October

October in Arlington brings the essence of fall with a noticeable dip in temperatures. As the trees begin to turn fiery red and orange, residents relish the crisp fall air and shorter days. The weather in October becomes noticeably colder, urging residents to bring out their cozy sweaters and jackets. Weather in October »

Weather in November

November rings in the late autumn period in Arlington. The drop in temperatures and shortening daylight hours set the mood of anticipation for the upcoming winter season. This month marks a significant decrease in the UV index to 4, resulting in reduced risk from prolonged sun exposure. Weather in November »

Weather in December

December in Arlington signifies winter’s return, marked with cooler temperatures and shorter days. Visitors and residents adapt to a slower pace of life, indulging in indoor hobbies, and preparation for holiday festivities. A low UV index of 3 makes daytime activities particularly enjoyable for winter enthusiasts. Weather in December »
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

During the coldest month in Arlington, January, temperatures average a high of 55.2°F (12.9°C) and a low of 39°F (3.9°C).

How many days does it rain?

In Arlington, during the entire year, the rain falls for 136.1 days and collects up to 29.72" (755mm) of precipitation.

When does it snow?

January, February, November and December are months with snowfall.

How much does it snow?

In Arlington, during the entire year, snow falls for 2.2 days and aggregates up to 0.91" (23mm) of snow.

What are the months with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

What is the driest month?

The month with the least rainfall is February, when the rain falls for 9.4 days and typically collects 1.46" (37mm) of precipitation.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 1.3 days and accumulates 0.79" (20mm) of snow.

When it does not snow?

In Arlington, snow does not fall in March through October.

When is Daylight Saving Time (DST) in Arlington?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the most humid month?

With an average relative humidity of 73%, May is the most humid month.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 7, are months with the highest UV index.

When are the longest days?

The month with the longest days is June, with an average of 14h and 18min of daylight.

What month has the most sunshine?

With an average of 11h of sunshine, July has the most sunshine of the year in Arlington.

What is the warmest month?

In Arlington, August is the month with the highest recorded average temperatures, measuring a high of 95.9°F (35.5°C) and a low of 76.6°F (24.8°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 55%.

What is the wettest month?

October is the month with the most rainfall. Rain falls for 11.8 days and accumulates 3.98" (101mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 0min of daylight.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.6h of sunshine.

Average temperature
Arlington, TX

Average temperature - Arlington, TX

The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (55.2°F).

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (39°F).

Average pressure
Arlington, TX

Average pressure - Arlington, TX

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Arlington, TX

Average wind speed - Arlington, TX

The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).

Average humidity
Arlington, TX

Average humidity - Arlington, TX

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (55%).

Average rainfall
Arlington, TX

Average rainfall - Arlington, TX

The wettest month (with the highest rainfall) is October (3.98").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days
Arlington, TX

Average rainfall days - Arlington, TX

The months with the highest number of rainy days are May and September (14.4 days).
The month with the least rainy days is January (6.2 days).

Average snowfall
Arlington, TX

Average snowfall - Arlington, TX

The month with the highest snowfall is February (0.79").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days
Arlington, TX

Average snowfall days - Arlington, TX

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Arlington, TX

Average daylight / Average sunshine - Arlington, TX

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days
Arlington, TX

Average sunshine days - Arlington, TX

The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is May (13.7 days).

Average UV index
Arlington, TX

Average UV index - Arlington, TX

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average visibility
Arlington, TX

Average visibility - Arlington, TX

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).

Arlington, Texas, USA

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