July Weather in Lancaster, United States

Last updated: February 24, 2025

In July, Lancaster, United States experiences a warm and humid climate, with maximum temperatures reaching 36°C (97°F) and an average of 26°C (78°F). The region's minimum temperature dips to a comfortable 14°C (58°F), offering brief respite from the heat. This month sees 135 mm (5.3 in) of precipitation spread over 13 days, contributing to a humidity level of 74% that enhances the tropical feel. Despite the occasional rain, July provides ample opportunities for outdoor activities amidst the vibrant summer atmosphere.

July Temperature in Lancaster

In July, Lancaster, United States experiences a vibrant summer, with temperatures peaking at an average of 26°C (78°F). The month sees a minimum temperature of 14°C (58°F) and a maximum soaring to 36°C (97°F), embodying the warmth that characterizes mid-summer. Following the gradual increase from previous months, July's warmth marks a notable high point, bridging the gap between the cooler spring and the sultry August. As residents bask in the sun, the temperatures reflect an inviting atmosphere perfect for outdoor activities, highlighting July as a pivotal month in Lancaster's climate narrative.

July Weather in Lancaster: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Lancaster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343843546473787670604538
Data source: Temperature data for Lancaster 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.

July Precipitation in Lancaster

In July, Lancaster experiences a notable peak in precipitation, with 135 mm (or 5.3 inches) of rainfall recorded over 13 days. This marks a vibrant continuation of the wet season, following June's 100 mm and setting the stage for August, which is slightly wetter at 138 mm. The trend shows that as summer progresses, rainfall tends to increase, providing lush greenery and a vibrant atmosphere throughout the region. The consistent number of precipitation days reflects a pattern of summer storms and occasional heavy downpours, contributing to Lancaster's rich agricultural landscape and the lively outdoor activities that flourish during this season.

July Precipitation Trends in Lancaster

The chart displays monthly precipitation patterns in Lancaster, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6210310297128100135138106998997
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Lancaster

In Lancaster, United States, July typically brings a noticeable dip in humidity, dropping to 74% after the preceding months where levels linger at or above 78%. This mid-summer decline in moisture is part of a broader trend, as humidity gradually decreases from the higher values recorded in winter and spring. Notably, August continues this decrease with a slightly lower 72%. This pattern suggests that while July enjoys some relief from the heavy, damp air of earlier in the year, it still maintains a sense of warmth and comfort, making it an ideal time for outdoor activities before the humidity begins to creep back up in the late months of the year.

July Average Humidity in Lancaster

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

July UV Index in Lancaster

In July, Lancaster experiences a consistent very high UV Index of 10, continuing the high exposure levels seen in the preceding months of June and May. This pattern highlights the intense summer sun, where residents and visitors should be particularly cautious; the burn time remains a brisk 15 minutes. As we dive deeper into the summer season, it's crucial to stay informed and protected from UV radiation. The trend of elevated UV levels begins in April and peaks in the heart of summer, emphasizing the need for sun safety measures not just in July but throughout the sunny months ahead. For more information on UV Index patterns and safety tips, visit Lancaster UV Index.

Maximum UV Index Levels in Lancaster for July

The chart shows the monthly maximum UV Index (UVI) for Lancaster in July, 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Lancaster July 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.

July Sunshine in Lancaster

In July, Lancaster basks in the glory of 347 hours of sunshine, marking it as the sunniest month of the year. This vibrant peak continues the upward trend established in the previous months, as June already enjoyed a robust 312 hours of sunlight. The consistent increase from January’s modest 134 hours to the summer’s abundance showcases a delightful transition towards warmth and brightness. Following July, August still offers ample sunshine with 307 hours, though a gradual decline begins as the year progresses into the cooler months. This seasonal rhythm not only brightens the skies but also elevates the spirits of residents, making summer in Lancaster a truly radiant experience.

Monthly Sunshine Duration in Lancaster: July Highlighted

The July sunshine duration represents the total number of hours Lancaster experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec134h172h239h241h264h312h347h307h267h222h216h179h
Data source: Lancaster July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lancaster During July

July in Lancaster, United States, brings a notable uptick in sunny days, with a 49% chance of sun that stands out amidst the cooler months. This peak is a pleasant contrast to the more overcast conditions seen in the early summer, particularly in June, which has a lower 37% chance of sun. As we transition from spring to summer, there’s a general trend of increasing sunshine, with March kicking off the season with a solid 53% likelihood. While August shows a decline to 34%, the summer still offers its fair share of bright days, making July a favorable time for outdoor activities in Lancaster. With November surprisingly rebounding to 54%, it’s clear that weather trends in Lancaster can be quite variable, yet July remains a highlight of the year for sun seekers.

Percentage of Sunny Days in July in Lancaster

The chart illustrates the percentage of sunny days in Lancaster throughout the year, with July 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 Lancaster experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%28%53%42%39%37%49%35%51%36%54%33%
Data source: Lancaster July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lancaster in July

In Lancaster, United States, July is a highlight of the summer, characterized by 14 hours of daylight that sustains the vibrant energy of the season. As daylight gradually increases from the 9 hours in January to 14 hours by June and July, the region experiences a peak in brightness during these summer months. Following July, daylight begins to gently decline, tapering off to 13 hours in August and gradually dimming until the shorter days of winter return. This pattern underscores a clear, cyclical trend where the length of daylight mirrors the changing seasons, providing an essential rhythm to both nature and daily life in Lancaster.

Average Daylight Hours in Lancaster for July

The chart illustrates the variation in daylight duration in Lancaster throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 41m10h 41m11h 58m13h 17m14h 23m14h 56m14h 38m13h 39m12h 24m11h 5m9h 57m9h 22m
Data source: Lancaster daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Lancaster

In Lancaster, United States, July heralds the peak of summer, bringing with it a noticeable dip in average wind speed, which falls to 2.3 m/s (5 mph). This marks a significant reduction compared to the earlier months of spring and early summer, where winds generally hovered around 3.1 to 3.6 m/s. As the season progresses, you might notice August following suit with even lighter breezes at 2.1 m/s. This trend of decreasing wind speeds contrasts sharply with the slightly more vigorous winds of March through May, suggesting that the warmer months tend to be quieter and more still. Residents can expect a serene ambiance during July, ideal for enjoying peaceful summer evenings.

Average July Wind Speed in Lancaster

The chart displays monthly wind speed patterns in Lancaster, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.33.63.53.12.72.3 m/s2.12.92.93.13.0
Data source: Lancaster July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Lancaster Compares to Other Months

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

In July, the weather is typically warm, with average temperatures around 26°C (78°F) and highs reaching up to 36°C (97°F), accompanied by significant humidity at 74%. There is a moderate level of precipitation, with 135 mm (5.3 in) falling over about 13 days. In contrast, January brings much colder conditions, with average temperatures dropping to 1°C (35°F) and lows plummeting to -15°C (4°F). This winter month is drier, with only 62 mm (2.4 in) of precipitation across 8 days, although the humidity is slightly higher at 84%. For more detailed information on the winter conditions, refer to Lancaster weather in January.

July and February present contrasting weather experiences. In July, temperatures range from a comfortable minimum of 14°C (58°F) to a scorching maximum of 36°C (97°F), with an average temperature of 26°C (78°F). The month sees significant rainfall, with 135 mm (5.3 in) over 13 days and a humidity level of 74%. In stark contrast, February experiences far lower temperatures, with a chilling minimum of -16°C (3°F) and an average of only 3°C (38°F). Despite the maximum reaching 27°C (80°F), most of the time remains cold. February has slightly less precipitation at 103 mm (4.0 in) across 12 days, but humidity is higher at 83%. For a more detailed look at February's weather, you can visit Lancaster weather in February.

In comparing the weather between July and March, it's clear that these two months are drastically different. July boasts significantly higher temperatures, with averages reaching 26°C (78°F) and maximums soaring up to 36°C (97°F). In contrast, March experiences much cooler conditions, with average temperatures around 6°C (43°F) and nighttime lows dropping as low as -16°C (3°F). Additionally, July sees more precipitation (135 mm) over 13 days, while March has slightly less rainfall (102 mm) over 10 days, despite a higher humidity level of 83% compared to July's 74%. For more detailed insights on March weather, check out Lancaster weather in March.

Comparing the weather between April and July reveals significant differences in temperature and precipitation patterns. In April, temperatures range from a chilly -2°C (28°F) at night to a comfortable 30°C (87°F) during the day, with an average of 12°C (54°F). The month sees about 97 mm (3.8 in) of precipitation over 11 days, accompanied by a relatively high humidity level of 81%. In contrast, July experiences much warmer conditions, with nighttime lows of 14°C (58°F) and daytime highs reaching up to 36°C (97°F), averaging 26°C (78°F). While July has more precipitation at 135 mm (5.3 in) over 13 days, the humidity is slightly lower at 74%. Overall, July is warmer and wetter, while April offers cooler temperatures and a transition into spring. For more detailed information, visit Lancaster weather in April.

When comparing the weather in July and May, it's clear that July offers significantly warmer temperatures, with an average of 26°C (78°F) and highs reaching up to 36°C (97°F), while May sees milder conditions, averaging around 18°C (64°F) with maximums of 34°C (93°F). Both months experience considerable precipitation, with July recording 135 mm (5.3 in) over 13 days and May having slightly less at 128 mm (5.0 in) over 14 days. Despite similar humidity levels—74% in July and 78% in May—July tends to feel hotter due to the higher temperatures. For more specific information regarding weather conditions, you can visit Lancaster weather in May.

In comparing the weather between June and July, July exhibits notably warmer temperatures, with minimums of 14°C (58°F) and average highs reaching 36°C (97°F), compared to June's minimum of 9°C (49°F) and average maximum of 35°C (95°F). While July is slightly wetter, accumulating 135 mm (5.3 in) of precipitation over 13 days, June has less rainfall at 100 mm (3.9 in) across 12 days. Additionally, humidity levels are slightly lower in July at 74% compared to June's 79%. For more details on the June weather, you can visit Lancaster weather in June.

In comparing the weather between July and August, July tends to be warmer with an average temperature of 26°C (78°F) and maximum highs reaching up to 36°C (97°F). In contrast, August cools down slightly, averaging 24°C (76°F) with a maximum of 35°C (95°F). Both months experience significant rainfall, with July receiving 135 mm (5.3 in) over 13 days and August slightly higher at 138 mm (5.4 in) across 15 days. Humidity remains relatively similar, with July at 74% and August dropping to 72%. For more detailed information, you can check Lancaster weather in August.

July and September present noticeable differences in weather patterns. In July, temperatures range from a minimum of 14°C (58°F) to a scorching maximum of 36°C (97°F), with an average of 26°C (78°F). The month sees significant rainfall, with 135 mm (5.3 in) occurring over about 13 days, accompanied by high humidity levels of 74%. In contrast, September experiences cooler temperatures, with a minimum of 5°C (42°F), an average of 21°C (70°F), and a maximum of 34°C (93°F). Precipitation decreases to 106 mm (4.2 in) over 10 days, and humidity remains relatively high at 75%. For more detailed information on the weather in September, you can check Lancaster weather in September.

In comparing the weather of July and October, you'll notice significant differences in temperature and precipitation. July typically enjoys warmer temperatures, with a minimum of 14°C (58°F) and an average of 26°C (78°F), while October sees much cooler minimums around 2°C (36°F) and an average of 15°C (60°F). Although October can reach a maximum of 34°C (93°F), it's often overshadowed by the higher July maximum of 36°C (97°F). Additionally, July experiences more precipitation, totaling 135 mm (5.3 in) over 13 days, compared to October’s 99 mm (3.9 in) over just 10 days. Interestingly, October's humidity is slightly higher at 81%, compared to July's 74%. For a closer look at what to expect during this month, check out Lancaster weather in October.

July and November present strikingly different weather patterns. July boasts warm temperatures with a minimum of 14°C (58°F) and an average of 26°C (78°F), peaking at a hot 36°C (97°F). The month also sees significant rainfall, with 135 mm (5.3 in) of precipitation spread over 13 days, accompanied by a humidity level of 74%. In contrast, November experiences much cooler conditions, featuring a minimum temperature of -7°C (20°F) and an average of just 7°C (45°F), while the maximum temperature reaches 24°C (75°F). Although November has less precipitation at 89 mm (3.5 in) over 7 days, the humidity is slightly higher at 85%. For a closer look at weather patterns during this month, you can check out Lancaster weather in November.

In July, the weather is characterized by warm temperatures, with minimums around 14°C (58°F) and maximums reaching up to 36°C (97°F), creating an average of 26°C (78°F). This month also sees significant precipitation, with 135 mm (5.3 in) spread over 13 days, and humidity levels averaging 74%.

In contrast, December brings a stark drop in temperatures, with minimums plunging to -12°C (12°F) and maximums only reaching 18°C (65°F), resulting in a much cooler average of just 3°C (39°F). Precipitation during this month is also lower, totaling 96 mm (3.8 in) over 10 days, but humidity increases to 84%, contributing to the chilly atmosphere. For more specific details on December weather in Lancaster, visit Lancaster weather in December.

Compare Lancaster's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Lancaster

In July, Lancaster experiences a significant departure from the cooler months, with warm temperatures and high humidity dominating the weather landscape. The average temperature rises to a balmy level, making it the warmest month of the year. However, the region also sees an increase in precipitation, with rain appearing on multiple days, contributing to a slightly muggy feel. This distinctive blend of warmth and moisture sets July apart, offering residents and visitors a taste of summer that is both vibrant and occasionally stormy. For a deeper dive into Lancaster’s weather patterns throughout the year, be sure to check out Lancaster Climate.