May Weather in Arlington, United States

Last updated: February 24, 2025

In May, Arlington, United States experiences a dynamic climate marked by a maximum temperature of 34°C (94°F) and an average of 19°C (66°F), providing a warm transition into summer. However, the month also brings cooler nights, with a minimum temperature of 2°C (36°F). Rainfall is a notable feature, as 127 mm (5.0 in) of precipitation occurs over 13 days, contributing to a humidity level of 78% that enhances the lush beauty of the region. This combination of warmth and moisture creates an inviting yet unpredictable environment, perfect for outdoor activities and exploration.

May Temperature in Arlington

In May, Arlington begins to embrace the warmth of spring, with temperatures reflecting a significant upward trend. The month kicks off with a minimum of 2°C (36°F), gradually rising to an inviting average of 19°C (66°F), peaking at a sizzling 34°C (94°F). This steady increase from the cooler April days creates a vibrant atmosphere, as residents transition from winter attire to lighter clothing, ready to enjoy outdoor activities. The pleasant temperatures in May also mark a stark contrast to the frigid winter months, highlighting the region's shift toward balmy summer days that lie ahead. As nature bursts into full bloom, Arlingtonites relish in the sunshine, making it an ideal time for gatherings and exploring the great outdoors.

May Weather in Arlington: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Arlington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374146566675807772624740
Data source: Temperature data for Arlington generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Arlington

In May, Arlington experiences a noticeable uptick in precipitation, averaging 127 mm (5.0 in) over 13 days—marking it as one of the wetter months of the year. This increase follows the steady rise in rainfall from April's 100 mm (4.0 in), reflecting the transition into the lush, green summer season. The trend of heavier rainfall continues through July, which sees the highest monthly total at 157 mm (6.2 in), suggesting May serves as a precursor to the region's peak precipitation period. This consistent pattern highlights May's role as a vital month for replenishing the local ecosystem, setting the stage for the vibrant growth that characterizes Arlington's summer landscape.

May Precipitation Trends in Arlington

The chart displays monthly precipitation patterns in Arlington, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec619887100127118157140951058193
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Arlington

May in Arlington, United States, brings a delightful dip in humidity, averaging 78% as the city transitions into warmer months. This slight decrease from the 81% humidity of April signals the onset of summer, as residents can begin to enjoy outdoor activities with a bit more comfort. Interestingly, this trend reflects a broader pattern throughout the year, where humidity tends to decline from May through August, reaching its lowest in July at 74% before gradually rising again in the cooler months. As spring gives way to summer, Arlingtonians can relish the refreshing breeze that May offers, setting the stage for the sunnier days ahead.

May Average Humidity in Arlington

This chart illustrates the average monthly humidity levels in Arlington, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Arlington

As spring blossoms into summer, the UV Index in Arlington experiences a significant uptick in May, peaking at 10, which falls under the very high category. This represents a steady climb from earlier months, where the index started at a moderate 3 in January and gradually escalated to high levels by March and April. With a burn time of just 15 minutes, it's crucial for residents to prioritize sun protection during this month. As the UV index remains consistent at 10 through June and July, understanding these trends can help individuals better prepare for safe outdoor activities. For more detailed information about the UV levels in Arlington, visit Arlington UV Index.

Maximum UV Index Levels in Arlington for May

The chart shows the monthly maximum UV Index (UVI) for Arlington in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Arlington May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Arlington

May in Arlington, United States, brings a vibrant surge of sunshine, with 281 hours lighting up the days—a delightful prelude to the sun-drenched months ahead. This increase follows a steady climb from 259 hours in both March and April, showcasing a clear trend of longer days and more radiant weather as spring transitions toward summer. As Arlington enjoys this brightness, it's worth noting that June and July promise even more sunshine, reaching peaks of 330 and 356 hours, respectively. The city's residents can look forward to embracing the warmth and vitality that May’s abundant sunlight heralds, setting the stage for outdoor activities and cherished moments in the sun.

Monthly Sunshine Duration in Arlington: May Highlighted

The May sunshine duration represents the total number of hours Arlington experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec150h180h259h259h281h330h356h321h277h246h226h191h
Data source: Arlington May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Arlington During May

As May rolls into Arlington, the likelihood of sunny weather offers a refreshing contrast to the chillier months earlier in the year. With a 40% chance of sunshine, May reflects a slight dip from the preceding months, such as March and April, which showcase more promising probabilities at 52% and 48% respectively. This trend continues into June, further highlighting a seasonal shift as the summer months approach. Interestingly, while May's sunny prospects may not be the highest, it is still positioned favorably against the months that follow, like July and August, which register at 49% and 34%. Thus, residents can anticipate a mix of sunny days and potential cloud cover, making it a delightful start to the warm season.

Percentage of Sunny Days in May in Arlington

The chart illustrates the percentage of sunny days in Arlington throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Arlington experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%28%53%48%40%38%49%34%53%40%56%37%
Data source: Arlington May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Arlington in May

As spring blooms into summer in Arlington, the increasing daylight duration reflects the changing seasons. Starting from 10 hours in February, daylight gradually extends to 14 hours by May, showcasing an impressive gain of 4 hours in just a few months. This peak in daylight lasts through June and July, offering ample opportunity for outdoor activities and enjoyment of the vibrant landscape. As August arrives, daylight begins to taper off, ushering in a gentle transition towards autumn. The trend clearly illustrates the rhythmic ebb and flow of daylight throughout the year, highlighting the natural beauty and variety that each season brings to life in Arlington.

Average Daylight Hours in Arlington for May

The chart illustrates the variation in daylight duration in Arlington throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 58m13h 14m14h 18m14h 50m14h 32m13h 36m12h 23m11h 7m10h 1m9h 28m
Data source: Arlington daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Arlington

In May, Arlington experiences a gentle breeze with an average wind speed of 2.8 m/s (6 mph), marking a slight dip from the consistent 3.3 m/s seen in both March and April. This decline signals the transition into the calmer summer months, as the wind speed further decreases into June, reaching 2.5 m/s (6 mph). Overall, the pattern reflects a gradual decrease in wind intensity as the year progresses from spring into summer, making May an inviting time to enjoy outdoor activities under milder conditions, while still benefiting from refreshing gusts. The trend showcases Arlington's evolving climate, shifting from the brisker winds of early spring to a more tranquil summer atmosphere.

Average May Wind Speed in Arlington

The chart displays monthly wind speed patterns in Arlington, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.23.33.32.8 m/s2.52.21.92.62.82.92.8
Data source: Arlington May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Arlington Compares to Other Months

The weather in Arlington changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Arlington and find detailed weather information for every month.

May and January present strikingly different weather conditions. In May, temperatures range from a chilly minimum of 2°C (36°F) to a warm maximum of 34°C (94°F), with an average of 19°C (66°F), indicating a transition into spring. The month experiences significant rainfall, averaging 127 mm (5.0 in) over about 13 days, and maintains a humidity level of 78%. In contrast, January is much colder, with temperatures dipping to a minimum of -15°C (5°F) and peaking at 22°C (71°F), with an average temperature of only 3°C (37°F). Precipitation is less frequent, totaling 61 mm (2.4 in) over 8 days, while humidity is relatively high at 84%. For more details, check out Arlington weather in January.

In comparing the weather between May and February, a stark contrast emerges. May boasts a mild average temperature of 19°C (66°F), with maximums reaching up to 34°C (94°F), while February's average hovers at a much cooler 5°C (41°F), peaking at only 28°C (82°F). Precipitation is more plentiful in May with 127 mm (5.0 in) over 13 days, compared to February's 98 mm (3.9 in) falling over just 11 days. Notably, humidity levels are slightly higher in February at 83%, compared to May's 78%. For more details, check Arlington weather in February.

When comparing the weather in May and March, significant differences emerge. May boasts a much warmer average temperature of 19°C (66°F), with daily highs reaching up to 34°C (94°F), whereas March is much cooler with an average of only 8°C (46°F) and a maximum temperature of 28°C (83°F). In terms of precipitation, May experiences higher rainfall at 127 mm (5.0 in) over 13 days, compared to March's 87 mm (3.4 in) spread over 10 days. Additionally, while May has a humidity level of 78%, March is slightly more humid at 83%. For a more detailed look at March weather, visit Arlington weather in March.

In comparing the weather of April and May, May tends to be warmer, with average temperatures rising from 14°C (57°F) in April to a comfortable 19°C (66°F). April experiences a cooler minimum temperature of -2°C (28°F), while May's minimum is a milder 2°C (36°F). Both months receive significant precipitation, but May sees slightly more at 127 mm (5.0 in) over 13 days, compared to April's 100 mm (4.0 in) over 11 days. Humidity levels remain relatively high in both months, with April at 81% and May at 78%. For more details on April's weather, you can check Arlington weather in April.

May in Arlington is characterized by a wider temperature range, with minimums dropping to 2°C (36°F) and highs reaching up to 34°C (94°F), leading to an average temperature of 19°C (66°F). The month also sees significant rainfall, with 127 mm (5.0 in) of precipitation over 13 days and a humidity level of 78%. In contrast, June experiences milder nighttime temperatures with a minimum of 9°C (48°F) and an average high of 36°C (98°F), averaging around 24°C (75°F). Rainfall slightly decreases to 118 mm (4.7 in) over 12 days, while humidity remains high at 79%. Overall, June feels warmer and slightly drier compared to May. For more specifics on June's weather, check Arlington weather in June.

May and July present notably different weather patterns. In May, temperatures vary from a chilly minimum of 2°C (36°F) to a pleasant average of 19°C (66°F), peaking at a warm 34°C (94°F). The month experiences considerable precipitation, with 127 mm (5.0 in) over 13 days, while humidity hovers around 78%. In contrast, July boasts a much warmer climate, with minimum temperatures of 15°C (59°F), an average of 27°C (81°F), and a maximum of 38°C (101°F). While July has slightly more precipitation at 157 mm (6.2 in) over 12 days, humidity is lower at 74%. For further details, you can check Arlington weather in July.

In comparing May and August weather, we find notable differences in both temperature and precipitation patterns. May experiences a wider temperature range, with minimums dropping to 2°C (36°F) and maximums reaching 34°C (94°F), while August is generally warmer with a minimum of 14°C (58°F) and maximums peaking at 37°C (99°F). Additionally, May has higher humidity at 78% compared to August's 72%, indicating a relatively more comfortable atmosphere in late summer. Precipitation is slightly higher in August, with 140 mm (5.5 in) falling over 15 days, compared to 127 mm (5.0 in) over 13 days in May. For more detailed insights on August weather, check out Arlington weather in August.

May and September present distinct weather patterns. In May, temperatures range from a chilly 2°C (36°F) at night to a warm 34°C (94°F) during the day, with an average of 19°C (66°F). The month typically experiences 127 mm (5.0 in) of precipitation over 13 days, coupled with a high humidity level of 78%. Conversely, September enjoys slightly milder nights with a minimum of 5°C (42°F) and can reach up to 36°C (97°F), with an average temperature of 22°C (72°F). It sees less rainfall, with 95 mm (3.8 in) spread over 11 days and a slightly lower humidity of 75%. For more localized insights, you can check out Arlington weather in September.

May and October present distinct weather characteristics, each with unique temperatures and precipitation patterns. In May, temperatures can range from a chill of 2°C (36°F) to a warm peak of 34°C (94°F), averaging around 19°C (66°F). This month also sees significant precipitation, with 127 mm (5.0 in) spread over 13 days, and humidity levels around 78%. In contrast, October features a slightly cooler average temperature of 17°C (62°F), with minimums dropping to 1°C (34°F) and maximums reaching 36°C (97°F). Precipitation is less frequent, totaling 104 mm (4.1 in) over 9 days, accompanied by a slightly higher humidity at 81%. For more detailed insights on October weather, you can check Arlington weather in October.

May and November display contrasting weather characteristics. In May, temperatures range from a minimum of 2°C (36°F) to a maximum of 34°C (94°F), with an average of 19°C (66°F), making it a generally warm month. The humidity sits at 78%, and precipitation is relatively high at 127 mm (5.0 in) over 13 days. In contrast, November experiences cooler temperatures, with a minimum of -6°C (21°F) and a maximum of 25°C (78°F), averaging just 8°C (47°F). The month is drier, with 81 mm (3.2 in) of precipitation over 7 days, and slightly higher humidity at 85%. For a more detailed look at November weather patterns, check out Arlington weather in November.

May and December present contrasting weather patterns, each with its unique characteristics. In May, temperatures range from a pleasant minimum of 2°C (36°F) to a maximum of 34°C (94°F), with an average of 19°C (66°F). The month experiences considerable precipitation, totaling 127 mm (5.0 in) over 13 days, combined with a humidity level of 78%. In contrast, December's weather is markedly cooler, with temperatures ranging from a low of -10°C (13°F) to a high of 20°C (69°F), resulting in an average of just 5°C (41°F). This month sees less rainfall at 93 mm (3.7 in) across 9 days, while humidity climbs slightly to 84%. For more details on December weather, visit Arlington weather in December.

Compare Arlington's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Arlington

As May unfolds in Arlington, it brings a delightful transition into warmer weather, characterized by a noticeable rise in temperatures compared to the preceding months. With an average temperature around 19°C (66°F), residents and visitors alike can enjoy more outdoor activities, although the occasional cool snap reminds us that spring is still in the air. This month also sees an increase in humidity at 78%, creating a lush atmosphere, while rainfall is present on about 13 days, contributing to the region's vibrant landscapes. This unique blend of warmth and moisture sets May apart from the cooler months, making it a prime time to explore the natural beauty of Arlington. For more insights on the climatic patterns, check out Arlington Climate.