August Weather in Grantchester, United Kingdom

Last updated: March 17, 2025

In August, Grantchester, United Kingdom experiences a diverse range of weather conditions, showcasing the charm of British summertime. The maximum temperature can soar to a sizzling 34°C (94°F), while the average temperature remains a comfortable 18°C (64°F). Nights can bring a refreshing chill, sometimes dipping to a minimum of 8°C (47°F). This month also sees 70 mm (2.8 inches) of precipitation spread across approximately 12 rainy days, contributing to a relatively high humidity level of 78%. Whether basking in the warmth or enjoying the refreshing rain, August in Grantchester offers a quintessentially English experience.

August Temperature in Grantchester

In August, Grantchester experiences some of its warmest temperatures, with daily averages hovering around 18°C (64°F). As summer reaches its peak, the minimum temperatures rarely dip below 8°C (47°F), providing a comfortable ambiance for outdoor activities. The highs can soar up to 34°C (94°F), making it an inviting month for enjoying the lush English countryside. This trend of rising warmth from the spring months culminates in August's delightful climate, before the cooler temperatures of September start to set in. With delightful days that balance warmth and a hint of autumn's approach, August stands out as a prime time to experience the charm of Grantchester.

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

The chart illustrates August temperature patterns in Grantchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495561656459534643
Data source: Temperature data for Grantchester 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.

August Precipitation in Grantchester

In August, Grantchester experiences an uptick in precipitation, with 70 mm (2.8 in) of rain falling over 12 days—a noteworthy increase compared to the preceding months. This marks the peak of the summer season, as rainfall has been steadily rising since June’s 69 mm. The pattern suggests that while July offered a similar number of wet days, August carries a bit more moisture and a higher total, indicating a potential shift toward the wetter months ahead. As the landscape revels in the lush greenery brought on by this late-summer rain, residents can expect a refreshing transition into autumn, with September’s rainfall forecasted to be significantly lower at 52 mm (2.1 in).

August Precipitation Trends in Grantchester

The chart displays monthly precipitation patterns in Grantchester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec504753326669657053794980
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Grantchester

In August, Grantchester experiences a noteworthy dip in humidity, with levels falling to 78%, the lowest point of the year. This shift marks a transition from the dampness of summer, as conditions gradually dry out after July's humidity of 79%. Overall, the trend reveals a steady decline in humidity from the peak of 89% in January, reaching its annual low in August before rising again in September when it returns to 84%. This summer respite from moisture not only makes for a more comfortable outdoor experience, but also sets the stage for the more humid autumn months ahead, highlighting the dynamic nature of Grantchester’s climate throughout the year.

August Average Humidity in Grantchester

This chart illustrates the average monthly humidity levels in Grantchester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%85%83%83%80%78%84%88%89%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Grantchester

In August, Grantchester experiences a UV Index of 7, placing it in the high exposure category that signifies a need for caution during outdoor activities. As summer reaches its peak, the sun’s intensity remains strong, similar to July’s levels, but a slight decrease from the very high index observed earlier. With a burn time of just 25 minutes, it’s essential for residents and visitors to take protective measures, such as wearing sunscreen and protective clothing. This trend of elevated UV levels during the summer months emphasizes the importance of staying vigilant against sun exposure as we transition from the scorching July sun to the more moderated warmth of September. For more details, check out Grantchester UV Index.

Maximum UV Index Levels in Grantchester for August

The chart shows the monthly maximum UV Index (UVI) for Grantchester 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Grantchester 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 Grantchester

In Grantchester, the August sunshine brings a delightful peak to the summer season, with 350 hours of bright daylight illuminating the picturesque village. This month, while slightly less sun-soaked than July's impressive 381 hours, still showcases a commendable abundance of light that perfectly complements the lush greenery and vibrant blooms. The gradual rise in sunshine from the 88 hours recorded in January to the 378 hours in May beautifully illustrates the transition from the chilled early months to the warm embrace of summer. As autumn approaches, the sun's retreat becomes evident, with September offering 281 hours of light, hinting at the shorter days ahead. This rhythm of sunlight not only enhances the charm of Grantchester but also invites locals and visitors alike to savor the enchanting summer days before the fall.

Monthly Sunshine Duration in Grantchester: August Highlighted

The August sunshine duration represents the total number of hours Grantchester 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.
JanFebMarAprMayJunJulAugSepOctNovDec88h143h203h311h378h362h381h350h281h229h136h101h
Data source: Grantchester August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grantchester During August

In Grantchester, August typically offers a moderate chance of sunny weather, with about 26% likelihood of sunshine. This figure is strikingly lower than the peak seen in April, which boasts a 46% chance, and dips below the highs of July at 39%. Despite August feeling like the height of summer, it seems to inherit some volatility from the preceding months, revealing a trend where sunshine diminishes slightly as the season progresses. While sun-seekers may hope for brighter days, it's clear that the summer's golden rays are often more abundant earlier in the season, with August promising a blend of warmth and a sprinkle of unpredictable British weather.

Percentage of Sunny Days in August in Grantchester

The chart illustrates the percentage of sunny days in Grantchester 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 Grantchester experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%25%27%47%31%28%39%26%29%21%31%16%
Data source: Grantchester August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grantchester in August

In Grantchester, United Kingdom, August marks a gentle transition from the long, sun-soaked days of summer to the crispness of autumn. With a daylight duration of 14 hours, August beautifully balances late-night sunsets and the lingering warmth of the season, following the peak sunshine of June and July, which shared a maximum of 16 hours each. As summer draws to a close, daylight hours begin to taper off, hinting at the forthcoming months when daylight dwindles to 10 hours in October and further descends to 8 hours by November. This trend highlights the rhythmic ebb and flow of light throughout the year, inviting residents to savor the long August evenings before embracing the cozy, shorter days ahead.

Average Daylight Hours in Grantchester for August

The chart illustrates the variation in daylight duration in Grantchester throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 17m9h 54m11h 54m13h 57m15h 45m16h 41m16h 11m14h 34m12h 36m10h 34m8h 44m7h 45m
Data source: Grantchester daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Grantchester

In August, the wind in Grantchester experiences a gentle increase, with an average speed of 4.1 m/s (9 mph). This slight uptick follows a summer lull, where the winds were at their calmest in July, hovering around 3.3 m/s (7 mph). As summer transitions into autumn, August's breezy conditions offer a refreshing contrast to the warmer days, hinting at the coming shift in seasons. Notably, this month falls in line with the overall pattern observed throughout the year, where winds tend to peak in late autumn and early winter, while summer months generally exhibit calmer breezes. Overall, August serves as a delightful bridge, showcasing the charm of the shifting winds as the landscape starts to prepare for the cooler months ahead.

Average August Wind Speed in Grantchester

The chart displays monthly wind speed patterns in Grantchester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.54.94.73.54.33.43.34.1 m/s3.64.94.34.8
Data source: Grantchester August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Grantchester Compares to Other Months

The weather in Grantchester 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 Grantchester and find detailed weather information for every month.

In August, temperatures range from a cool 8°C (47°F) to a warm high of 34°C (94°F), with an average of 18°C (64°F); however, the humidity is quite high at 78%, accompanied by about 70 mm (2.8 in) of precipitation over 12 days. In stark contrast, January experiences much colder weather, with temperatures dipping as low as -4°C (24°F) and peaking at 15°C (59°F), yielding an average of just 5°C (41°F). Despite having less precipitation at 50 mm (2.0 in) over 9 days, January's humidity remains high at 89%. For a detailed look at January weather specifics, you can visit Grantchester weather in January.

August and February exhibit stark contrasts in weather conditions. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (94°F), with an average temperature of 18°C (64°F). The month experiences a notable amount of precipitation, totaling 70 mm (2.8 in) over approximately 12 days, while humidity sits at a relatively comfortable 78%. In contrast, February presents much cooler weather, with temperatures dropping to a minimum of -8°C (18°F) and peaking at 18°C (65°F), averaging just 6°C (43°F). The precipitation in February is lower, at 47 mm (1.8 in) over about 10 days, and humidity is slightly more pronounced at 87%. For more details, check Grantchester weather in February.

August and March present contrasting weather patterns. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (94°F), with an average of 18°C (64°F), making it the warmer of the two months. The humidity in August stands at 78%, accompanied by 70 mm (2.8 in) of precipitation over about 12 days. In contrast, March experiences much cooler temperatures, ranging from a chilly -6°C (21°F) to a pleasant 22°C (72°F), with an average of 7°C (46°F). Additionally, March sees slightly less precipitation at 53 mm (2.1 in) over 13 days, but with higher humidity at 86%. For a closer look at how March weather impacts local life, check out Grantchester weather in March.

August and April present distinctly different weather patterns. August boasts warm temperatures with a minimum of 8°C and a maximum of 34°C, averaging around 18°C, accompanied by relatively high humidity at 78%. This month typically experiences 70 mm of precipitation spread over 12 days, providing a mix of sun and occasional rain. In contrast, April starts off chilly with nighttime lows dipping to -2°C, while daytime highs reach up to 27°C, with an average temperature of 9°C. Though it is milder than winter, April's humidity level is slightly higher at 85%, and it has significantly less precipitation at 32 mm over 8 days. For a detailed overview of April's weather, check out Grantchester weather in April.

August weather is notably warmer than May, with average temperatures reaching 18°C (64°F) compared to May's average of 13°C (55°F). While both months experience similar precipitation levels—August with 70 mm over 12 days and May with 66 mm over 11 days—the humidity in August is slightly lower at 78%, compared to May's higher humidity of 83%. Additionally, August can see maximum temperatures soaring to 34°C (94°F), in sharp contrast to May's peak of 27°C (82°F). For more details on how May weather shapes up, visit Grantchester weather in May.

In comparing the weather between June and August, we see that both months experience moderate temperatures, but August typically feels warmer. August boasts a temperature range from a minimum of 8°C (47°F) to a maximum of 34°C (94°F), with an average temperature of 18°C (64°F). In contrast, June has slightly cooler temperatures, ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F) and an average of 16°C (62°F). Precipitation levels are quite similar, with August receiving 70 mm (2.8 in) over approximately 12 days, while June has 69 mm (2.7 in) over 10 days. Humidity is higher in June at 83%, compared to August's 78%. For more details, you can check Grantchester weather in June.

In comparing the weather between July and August, we find that both months experience similar minimum temperatures, with July slightly warmer on average. July has a maximum temperature of 36°C (97°F), compared to August's high of 34°C (94°F). Precipitation levels are comparable, with July receiving 65 mm (2.6 in) and August 70 mm (2.8 in) over the same number of rainy days—12. Humidity remains fairly consistent between the two months, with July at 79% and August at 78%. For more detailed information, you can check Grantchester weather in July.

August presents a warm and varied climate, with temperatures ranging from a minimum of 8°C (47°F) to a sweltering maximum of 34°C (94°F) and an average of 18°C (64°F). However, it also sees considerable precipitation, totaling 70 mm (2.8 in) over 12 days, combined with a humidity level of 78%. In contrast, September ushers in cooler weather, with temperatures dipping further, showcasing a minimum of 2°C (36°F) and a maximum of 29°C (85°F), averaging at 15°C (59°F). Rainfall decreases to 52 mm (2.1 in) over 10 days, but the humidity rises slightly to 84%. For more detailed insights on September weather specifics, refer to Grantchester weather in September.

August and October present striking contrasts in weather. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (94°F), creating a warm and humid atmosphere with an average temperature of 18°C (64°F) and a relatively high humidity of 78%. Precipitation during this month totals 70 mm (2.8 in) over about 12 days, giving rise to occasional summer storms.

In contrast, October sees cooler weather, with temperatures dipping to a minimum of 0°C (33°F) and peaking at 24°C (76°F), averaging only 12°C (53°F). The month experiences slightly higher precipitation at 79 mm (3.1 in) across the same number of rainy days, but the humidity rises to 88%, which can make the air feel quite damp. For more specific insights on the weather during this time, you can check out Grantchester weather in October.

In August, the weather is characterized by warmer temperatures, with a minimum of 8°C (47°F), an average of 18°C (64°F), and a maximum reaching up to 34°C (94°F). The month tends to be humid, with an average humidity of 78% and a total precipitation of 70 mm (2.8 in) over about 12 days. In contrast, November experiences much cooler conditions, featuring a minimum temperature of -2°C (28°F), an average of 8°C (46°F), and a maximum of 17°C (64°F). Although November sees less rainfall, with 49 mm (1.9 in) over 10 days, it has a higher humidity level at 89%. For a detailed look at specific conditions, you can check Grantchester weather in November.

August and December present starkly contrasting weather conditions. In August, temperatures range from a cool 8°C (47°F) at night to a warm high of 34°C (94°F) during the day, with an average temperature of 18°C (64°F). The month experiences around 70 mm (2.8 in) of precipitation over approximately 12 days, coupled with a relatively high humidity level of 78%. In contrast, December sees much lower temperatures, with a minimum of -3°C (27°F) and a maximum of 15°C (59°F), averaging only 6°C (43°F). This month also receives slightly more precipitation at 80 mm (3.2 in) over 15 days, along with increased humidity at 88%. For more specific insights into the December weather in this area, check out Grantchester weather in December.

Compare Grantchester's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Grantchester

In August, Grantchester experiences a delightful blend of warmth and occasional rainfall, setting it apart from the cooler months of the year. While temperatures peak at a cozy 34°C, with an average that still feels pleasantly mild, the higher humidity—hovering around 78%—adds a touch of sticky warmth to the air. This month also sees more precipitation, with around 12 days of rain contributing to a total of 70 mm, nurturing the lush greenery that defines this picturesque village. For a deeper understanding of what to expect throughout the year, visit Grantchester Climate.