August Weather in Windsor, United Kingdom

Last updated: March 17, 2025

In August, Windsor, United Kingdom experiences a delightful blend of warm temperatures and refreshing summer rain. The maximum temperature can soar to a sizzling 33°C (92°F), while the average hovers around a comfortable 18°C (64°F), providing a pleasant climate for outdoor activities. However, evenings can be cool with minimum temperatures dropping to 8°C (46°F). This month sees an average precipitation of 67 mm (2.6 in) over 12 days, contributing to a relatively high humidity level of 76%, which can make the air feel a bit sticky. Overall, August in Windsor is a vibrant month balancing warmth and moisture, perfect for enjoying the scenic beauty of this historic town.

August Temperature in Windsor

In August, temperatures in Windsor, United Kingdom reach a pleasant peak, with minimums around 8°C (46°F) and averages at 18°C (64°F), reflecting the height of summer. This month can see maximum temperatures soaring to 33°C (92°F), making it one of the warmest times of the year. Compared to the preceding months, August shows a marked increase in warmth that fans of sunny weather eagerly anticipate. The gentle warmth invites outdoor pursuits, creating the perfect backdrop for enjoying the lush surroundings. As summer subtly shifts towards autumn, August stands out as a time of vibrant life and warmth before the cooler months set in.

August Weather in Windsor: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Windsor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495562656459534643
Data source: Temperature data for Windsor generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Windsor

August in Windsor, United Kingdom, sees a moderate precipitation level of 67 mm (2.6 in), making it one of the wetter months of the year. With 12 days of rainfall, this increase from previous months contributes to the gradual rise in overall precipitation as summer transitions into autumn. Notably, August's rainfall is slightly higher than June and July, which recorded 74 mm (2.9 in) and 64 mm (2.5 in) respectively. This trend signals a shift in weather patterns, hinting at the onset of the wetter autumn season. As the gardens and parks of Windsor drink in this moisture, the richness of the landscape becomes even more vibrant, setting the stage for the beauty of the coming fall.

August Precipitation Trends in Windsor

The chart displays monthly precipitation patterns in Windsor, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec525255336374646745865382
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Windsor

In August, humidity in Windsor, United Kingdom, settles at a moderate 76%, offering a noticeable respite from the steamy heights of summer. As the months progress from the chill of January at 91% down to the drier conditions of July, August marks a slight uptick from the lower levels earlier in the season, yet remains comfortably below the year's peak. This transitional month serves as a bridge, where the warm summer air holds onto a modest amount of moisture before the fall brings a sharp increase in humidity levels, reaching 82% in September and climbing back up to 90% by October. Overall, August offers a blend of summer warmth and manageable humidity, making it a pleasant time to enjoy the outdoor charm of Windsor.

August Average Humidity in Windsor

This chart illustrates the average monthly humidity levels in Windsor, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Windsor

In August, Windsor experiences a high UV Index of 7, indicating that while the sun's intensity is powerful, it does not reach the extreme levels seen in June and July. With a recommended burn time of 25 minutes, outdoor enthusiasts are encouraged to take precautions like wearing sunscreen and protective clothing to enjoy the summer sun safely. This trend from summer carries over into September, where the UV Index slightly decreases to 6, still within the high exposure category. As the year progresses, one can notice a gradual decline in UV levels as autumn approaches, further emphasizing the importance of seasonal awareness. For more detailed insights, visit Windsor UV Index.

Maximum UV Index Levels in Windsor for August

The chart shows the monthly maximum UV Index (UVI) for Windsor in August, 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Windsor August 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.

August Sunshine in Windsor

August in Windsor, United Kingdom, typically basks in 368 hours of sunshine, making it one of the sunniest months of the year. As summer reaches its peak, the trend of increasing sunlight is evident, escalating from 98 hours in January to a remarkable 404 hours in July. Throughout August, the golden rays continue to shine, albeit slightly receding from the height of summer, before transitioning into the milder autumn months. This summer warmth, following a steady climb from early spring, sets the stage for outdoor activities and community events, highlighting Windsor's charm as a summer destination. As September approaches, the sunshine still graces the city, a reminder of longer days that slowly give way to the cozy fall ambiance.

Monthly Sunshine Duration in Windsor: August Highlighted

The August sunshine duration represents the total number of hours Windsor experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec98h148h210h319h398h389h404h368h300h241h144h109h
Data source: Windsor August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Windsor During August

August in Windsor, United Kingdom, presents a notable drop in the likelihood of sunny weather, with only a 24% chance of sunshine. This follows a seasonal peak in April, where the likelihood of sunny days reaches 50%. Interestingly, as summer unfolds, the chances of sun decline from July’s 38%, suggesting that while the temperature may be pleasant, the weather might not always cooperate with outdoor plans. As autumn approaches, September and October maintain a somewhat similar probability of sunny days, hovering around 28% to 25%. Overall, August can be a bit unpredictable, leaving visitors and locals alike hoping for a few glorious sunny spells before fall sets in.

Percentage of Sunny Days in August in Windsor

The chart illustrates the percentage of sunny days in Windsor throughout the year, with August 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 Windsor experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%25%29%50%33%27%38%24%28%26%32%17%
Data source: Windsor August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Windsor in August

As summer wanes, August in Windsor, United Kingdom, offers a pleasant balance of daylight, with approximately 14 hours of sunshine—a slight decline from the peak of 16 hours enjoyed in June and July. This month serves as a bridge between the summer's vibrant long days and the shorter twilight of fall, as daylight gradually decreases. After basking in extended sunlight through the peak months, residents and visitors can still savor long evenings, making August an ideal time for outdoor activities before the days shorten further in September, dropping to 12 hours. This gradual transition highlights Windsor's delightful seasonal rhythm, as each month offers its own unique charm.

Average Daylight Hours in Windsor for August

The chart illustrates the variation in daylight duration in Windsor throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 24m9h 58m11h 55m13h 54m15h 38m16h 32m16h 3m14h 30m12h 35m10h 36m8h 50m7h 53m
Data source: Windsor daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Windsor

In August, the average wind speed in Windsor, United Kingdom, hovers around 3.8 m/s (8 mph), representing a slight increase from the calm of July. This modest uptick hints at transitioning summer conditions, just before the onset of autumn winds that typically swirl around 4.4 m/s (10 mph) in October. As the season progresses, we notice a gentle fluctuation in wind patterns, with winter months like January and December returning to stronger breezes, averaging 4.3 m/s (10 mph). Overall, August serves as a bridge between the seasonal calm of summer and the livelier gusts that characterize the latter part of the year, inviting residents and visitors alike to experience the gentle embrace of the late summer air.

Average August Wind Speed in Windsor

The chart displays monthly wind speed patterns in Windsor, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.84.43.54.33.23.33.8 m/s3.34.43.94.5
Data source: Windsor August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Windsor Compares to Other Months

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

August and January present strikingly different weather patterns. In August, temperatures range from a mild 8°C (46°F) to a sweltering 33°C (92°F), with an average of 18°C (64°F), and the month experiences around 67 mm (2.6 in) of precipitation over 12 days. The humidity is relatively high at 76%, contributing to a warm and sometimes muggy atmosphere. In contrast, January offers a much cooler climate, with temperatures dropping to a minimum of -5°C (23°F) and a maximum of 14°C (58°F), averaging just 5°C (41°F). This month sees less rainfall, totaling 52 mm (2.1 in) over 9 days, but the humidity is higher at 91%, leading to a chilly and damp environment. For a closer look at January conditions, visit Windsor weather in January.

August and February present contrasting weather patterns. In August, temperatures can soar, with daily highs reaching up to 33°C (92°F) and an average of 18°C (64°F). The month experiences moderate precipitation, totaling 67 mm (2.6 in) over about 12 days, coupled with a humidity level of 76%. In stark contrast, February is much cooler, featuring temperatures that range from a minimum of -5°C (23°F) to a maximum of 18°C (65°F), resulting in an average temperature of 6°C (43°F). This winter month sees slightly less precipitation—52 mm (2.0 in) across 10 days—but a higher humidity level of 89%. For more details, check out Windsor weather in February.

Comparing the weather in August and March reveals significant differences in temperature and humidity. August boasts a much warmer climate, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 33°C (92°F) and an average of 18°C (64°F). It also experiences higher humidity at 76%, accompanied by 67 mm (2.6 in) of precipitation over 12 days. In contrast, March is noticeably cooler, with temperatures ranging from -5°C (23°F) to a maximum of 22°C (71°F) and an average of 7°C (46°F). Although it has slightly lower precipitation at 55 mm (2.2 in) over 13 days, the humidity is higher at 86%. For a closer look at the specifics of March weather, you can check Windsor weather in March.

The weather in August is typically warmer and more variable compared to April. In August, temperatures range from a cool 8°C (46°F) at night to a hot 33°C (92°F) during the day, with an average of 18°C (64°F). In contrast, April experiences much lower temperatures, with a minimum of -2°C (29°F) and a maximum of 26°C (80°F), resulting in an average of only 10°C (49°F). Additionally, August brings more precipitation, with 67 mm (2.6 in) falling over 12 days, while April has a milder 33 mm (1.3 in) over just 8 days. Despite being slightly less humid in August at 76%, April's humidity is higher at 85%. For more details about April's weather, you can visit Windsor weather in April.

In comparing the weather of August and May, August features a significantly warmer climate with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 33°C (92°F), while May has cooler temperatures, with averages from 1°C (35°F) to 26°C (78°F). Although both months experience comparable precipitation levels—67 mm (2.6 in) in August and 63 mm (2.5 in) in May—August tends to be a bit wetter, with rain on about 12 days compared to 10 days in May. Humidity levels are also slightly higher in August at 76% compared to 79% in May, which can make it feel more muggy during the warmer month. For a more detailed look at May conditions, check out Windsor weather in May.

In comparing the weather of August and June, August typically offers warmer temperatures, with a minimum of 8°C (46°F) and an average of 18°C (64°F), peaking at a maximum of 33°C (92°F). In contrast, June starts off slightly cooler, with a minimum of 7°C (45°F) and an average of 16°C (62°F), reaching a maximum of 31°C (88°F). Precipitation in August is a bit lower, with 67 mm (2.6 in) over 12 days, compared to June's 74 mm (2.9 in) over 9 days. Humidity levels are also slightly higher in June at 80%, compared to 76% in August. For more detailed insights, you can visit Windsor weather in June.

When comparing the weather in August and July, we see some notable differences. August generally experiences slightly cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 33°C (92°F), compared to July's minimum of 9°C (48°F) and maximum of 35°C (96°F). However, the average temperature in both months remains similar, at around 18°C (64°F). Precipitation levels are quite comparable as well, with August receiving 67 mm (2.6 in) over 12 days and July slightly less at 64 mm (2.5 in) over 11 days. Additionally, humidity levels are higher in August at 76%, while July's humidity stands at 71%. For a closer look at July's weather, you can visit Windsor weather in July.

August typically features warmer weather compared to September, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 33°C (92°F) and an average of 18°C (64°F). In contrast, September sees cooler temperatures, with a minimum of 3°C (38°F), an average of 15°C (59°F), and a maximum of 28°C (83°F). While August experiences more precipitation at 67 mm (2.6 in) over 12 days, September has less rain, totaling 45 mm (1.8 in) over 10 days. Additionally, September's humidity is slightly higher at 82%, compared to August's 76%. For more details on September weather, visit Windsor weather in September.

August and October present contrasting weather patterns, highlighting the transition from summer to autumn. In August, temperatures range from a minimum of 8°C (46°F) to a maximum of 33°C (92°F), with an average of 18°C (64°F). The month sees 67 mm (2.6 in) of precipitation over 12 days, accompanied by a humidity level of 76%. Conversely, October experiences cooler temperatures, with a minimum of 1°C (34°F), an average of 12°C (53°F), and a maximum of 23°C (73°F). Precipitation increases slightly to 86 mm (3.4 in) over the same number of rainy days, and humidity rises to 90%. For more detailed information about October's weather, you can check Windsor weather in October.

August and November present starkly contrasting weather conditions. In August, temperatures range from a minimum of 8°C (46°F) to a maximum of 33°C (92°F), with an average of 18°C (64°F), creating a warm and often humid atmosphere with 76% humidity and a total precipitation of 67 mm (2.6 in) over 12 days. In contrast, November experiences much cooler temperatures, with a minimum of -2°C (29°F), an average of 8°C (47°F), and a maximum of 16°C (62°F). Precipitation is slightly lower at 53 mm (2.1 in) spread over 11 days, and the humidity rises to a notable 92%. For more detailed information about November's weather, visit Windsor weather in November.

August and December present strikingly different weather patterns. In August, temperatures can reach a maximum of 33°C (92°F), with an average of 18°C (64°F) and relatively lower humidity at 76%. However, the month experiences around 67 mm (2.6 in) of precipitation over approximately 12 days. In contrast, December sees much cooler conditions, with temperatures peaking at just 14°C (58°F) and an average of 6°C (44°F). This month also has higher humidity at 92% and receives more precipitation, totaling 82 mm (3.2 in) over about 14 days. For more details on the December weather conditions, you can check Windsor weather in December.

Compare Windsor's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Windsor

August in Windsor stands out as a month of warmth and humidity, contrasting sharply with the cooler and drier days of spring and early summer. With maximum temperatures soaring to 33°C (92°F), it presents a vibrant heat that invites both locals and tourists to indulge in the outdoor charm of the area. Precipitation becomes more frequent, showcasing 12 rainy days throughout the month and contributing to a relatively humid atmosphere at 76%. As the average temperature settles around a comfortable 18°C (64°F), August offers a unique blend of summer's peak warmth and the refreshing rains that foreshadow the impending autumn. For those looking to understand more about Windsor’s climate throughout the year, visit Windsor Climate.