Last updated: March 17, 2025
August in Boston, United Kingdom, unveils a vibrant weather profile, featuring maximum temperatures reaching 32°C (89°F) and an inviting average of 17°C (64°F). While the month enjoys warm days, it also brings cooler nights, with minimum temperatures dipping to 9°C (49°F). Frequent showers are part of the landscape, contributing to a total precipitation of 80 mm (3.1 in) over 12 days, and adding to the overall humidity level of 78%. Whether basking in the sun or dodging the occasional rain, August offers a diverse experience for residents and visitors alike, blending warmth with a refreshing touch of nature.
In August, Boston, United Kingdom, experiences a warm and inviting climate, with minimum temperatures rising to 9°C (49°F), while average conditions hover around 17°C (64°F). The peak temperatures can reach up to a sizzling 32°C (89°F), marking it as one of the hottest months of the year. This pattern reflects a steady increase in warmth throughout the summer, building from June's comfortable 16°C (61°F) to July's 18°C (64°F), before reaching the heights of August. As the summer tide begins to wane, there is a noticeable shift from the heat of August to the cooler temperatures of September, emphasizing the transitional nature of the British seasons. This makes August not only the warmest month but also a perfect time to enjoy outdoor activities before autumn sets in.
In August, Boston, United Kingdom, experiences a notable peak in precipitation, with an average of 80 mm (3.1 in) of rain over 12 days. This marks an increase compared to the preceding months, particularly following the drier spells of April and May. As summer transitions into early autumn, the rainfall begins to rise, reflecting a shift in weather patterns. The elevated precipitation in August sets the stage for a lush landscape, while contributing to the overall wet climate that characterizes the later months of the year. Interestingly, this tendency towards increased rainfall continues into September and October, suggesting that while July retains a fair amount of rain, it is August that truly heralds the wetter season ahead.
In August, Boston experiences a subtle shift in humidity, with levels dipping to 78%, the lowest point of the year. This trend marks a gradual decrease from the 89% seen in January through to April's 85%, before inching down to the summer months, where July witnesses 79%. The relative comfort of late summer offers a welcome reprieve from the high humidity that characterizes the winter and transitional months. However, as the season shifts to September, humidity levels rise again to 84%, indicating a return to the more humid conditions typical of Boston's climate as autumn approaches. This fluctuation not only highlights the variability of humidity across the year but also sets the stage for the cozy, crisp weather of fall.
In August, Boston experiences a UV Index of 7, placing it in the high exposure category with a burn time of just 25 minutes. This slight dip from the peak of 8 in both June and July indicates a gradual transition towards cooler months, yet residents should remain vigilant about sun protection. Notably, the UV Index begins at a modest 1 in January and climbs steadily to its summer heights, peaking in July, before tapering off again in September. Overall, the data highlights a clear seasonal trend, with summer months demanding greater attention to UV safety. For more insights on UV levels throughout the year in Boston, visit Boston UV Index.
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In August, Boston, United Kingdom, basks in a delightful 359 hours of sunshine, marking a peak in the summer as the days grow longer and brighter. This month stands out as the culmination of an upward trend that begins in the chill of January with only 89 hours, steadily climbing through the year. From the early promise of spring in March, with 195 hours, to the full embrace of summer by July's 374 hours, the sunshine hours reflect a vibrant, increasing pattern. As the seasonal warmth begins to wane in September, sunshine totals dip to 286 hours, yet August remains a shining highlight, showcasing the region's lush summer vitality and inviting everyone to enjoy the warm, sun-soaked days.
In Boston, United Kingdom, the likelihood of sunny weather in August is relatively low, standing at 26%. This aligns closely with the trends observed in the preceding months; after the peak of 44% in April, the chances of sunshine gradually decline during the summer. Notably, July offers a modest improvement at 36%, but by the time August arrives, the sunny days seem to wane again, echoing the patterns set by the earlier winter months. As summer transitions to autumn, residents can expect intermittent sunshine, but with a significant chance of overcast skies.
As summer transitions into autumn, August in Boston, United Kingdom, offers a pleasant retreat with approximately 14 hours of daylight. After basking in the peak illumination of 16 hours during June and July, daylight starts to wane, signaling the approach of shorter days ahead. This mid-summer dip illustrates a gradual decline in sunlight, which follows the longest days of the year, providing a warm yet temperate atmosphere for late summer activities. As the month draws to a close, residents can still enjoy the lingering light, but the promise of earlier sunsets reminds them that September will bring a further reduction to 12 hours. This pattern reflects the beautifully cyclical nature of the seasons, where each month offers its unique charm while steadily leading toward autumn's embrace.
In August, Boston, United Kingdom, experiences a gentle sigh of wind with an average speed of 4.3 m/s (10 mph), slightly stronger than the summer months but still mild. This transitional month exhibits a slight uptick in wind speeds, following a gradual decline from July's calmest breezes at 3.5 m/s (8 mph). As autumn approaches, the winds begin to gather strength, reflecting a shift in the seasonal patterns, where September's winds are forecasted to remain steady at 3.9 m/s (9 mph). This subtle rise and fall throughout the summer to fall transition showcases Boston's unique climate, where the winds offer a refreshing relief, preparing the landscape for the crispness of the coming autumn.
The weather in Boston 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 Boston and find detailed weather information for every month.
August and January showcase a dramatic contrast in weather. August typically enjoys a warm climate, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 32°C (89°F), along with an average temperature of 17°C (64°F). This month also experiences approximately 80 mm (3.1 in) of precipitation over 12 days, accompanied by relatively high humidity at 78%. In contrast, January presents much colder conditions, with temperatures dipping as low as -4°C (26°F) and peaking at 15°C (59°F), averaging around 5°C (41°F). Precipitation is lower in January, accumulating to about 43 mm (1.7 in) over 8 days, and the humidity rises to 89%. For more detailed information, visit Boston weather in January.
When comparing the weather in August and February, the differences are striking. August experiences warmer temperatures, ranging from a low of 9°C (49°F) to a high of 32°C (89°F), with an average of 17°C (64°F). In contrast, February is much colder, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 17°C (63°F) and an average of only 6°C (43°F). Precipitation is more frequent in August, with 80 mm (3.1 in) over 12 days, while February sees slightly less rain at 58 mm (2.3 in) across 11 days. The humidity levels are similar, with February slightly higher at 87% compared to August's 78%. For a closer look at February's weather in this region, you can check Boston weather in February.
August and March present distinct contrasts in weather patterns. August features a wide temperature range with minimums around 9°C (49°F) and maximums soaring to 32°C (89°F), averaging 17°C (64°F). The month is characterized by higher humidity at 78% and considerable precipitation, with rainfall occurring on 12 days and totaling 80 mm (3.1 in). In contrast, March is much cooler, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 21°C (70°F), averaging 7°C (45°F). While it has fewer total precipitation days, March still experiences 12 days of rain, accumulating 56 mm (2.2 in), and humidity is slightly higher at 86%. For more specifics about March weather, you can check Boston weather in March.
When comparing the weather in August and April, notable differences emerge in both temperature and precipitation. August typically sees a broader temperature range, with minimums around 9°C (49°F) and maximums soaring to 32°C (89°F), while April's temperatures are noticeably cooler, with lows dipping to -1°C (31°F) and highs reaching only 26°C (79°F). Precipitation is another area of contrast; August experiences about 80 mm (3.1 in) over approximately 12 days, compared to April's more modest 32 mm (1.3 in) across 8 days. Despite these variations, April has a slightly higher humidity level at 85%, compared to August's 78%. For a closer look at April weather specifics, you can visit Boston weather in April.
In comparing the weather of August and May, August typically exhibits much warmer temperatures, with averages reaching up to 17°C (64°F) and highs of 32°C (89°F), while May sees a cooler average of 12°C (54°F) and a maximum of 27°C (80°F). Although both months experience precipitation on 12 days, August's rainfall of 80 mm (3.1 in) slightly outpaces May's 65 mm (2.6 in). Humidity levels are comparable, with August at 78% and May slightly higher at 83%. For a more detailed look at May weather, you can check Boston weather in May.
When comparing the weather in August and June, we see that August tends to be slightly warmer overall. The average temperature in August is 17°C (64°F), compared to June's average of 16°C (61°F). Additionally, August can reach higher maximum temperatures of 32°C (89°F) versus June's peak of 30°C (86°F). However, both months experience a considerable amount of humidity, with August at 78% and June slightly higher at 83%. Precipitation levels are also comparable, with August receiving 80 mm (3.1 in) over 12 days and June recording 74 mm (2.9 in) over 11 days. For more details on June's weather, you can visit Boston weather in June.
When comparing the weather in August and July, both months exhibit relatively mild temperatures with similar averages. In August, the minimum temperature is slightly higher at 9°C (49°F) compared to July's 8°C (47°F). The average temperature remains consistent at 17°C (64°F) for both months, while the maximum in July reaches 33°C (91°F), just above August's peak of 32°C (89°F). Precipitation in August is a bit more pronounced, with 80 mm (3.1 in) over 12 days, compared to July's 69 mm (2.7 in) across 11 days. Humidity levels are also quite similar, standing at 78% in August and 79% in July. For more details about July's weather, visit Boston weather in July.
August weather is characterized by warmer temperatures, with a minimum of 9°C (49°F) and an average of 17°C (64°F), peaking at a maximum of 32°C (89°F). The month also features a higher precipitation level of 80 mm (3.1 in) spread over 12 days, along with a humidity of 78%. In contrast, September sees cooler conditions, with temperatures dropping to a minimum of 4°C (39°F) and an average of 15°C (59°F), and a high of 28°C (83°F). Precipitation decreases to 60 mm (2.4 in) over 10 days, while humidity rises slightly to 84%. For more details about the weather patterns in September, you can check Boston weather in September.
August weather is characterized by warmer temperatures, with a minimum of 9°C (49°F) and an average of 17°C (64°F), peaking at a hot 32°C (89°F). The month typically sees around 80 mm (3.1 in) of precipitation over 12 days, and the humidity sits at a relatively high 78%. In contrast, October brings cooler conditions, with temperatures dropping significantly, featuring a minimum of 2°C (36°F) and an average of 12°C (53°F), reaching a maximum of 24°C (76°F). Although October experiences slightly less precipitation at 74 mm (2.9 in) over 13 days, the humidity rises to 88%, contributing to a crisp, damp atmosphere. For more detailed information, check out Boston weather in October.
August and November present stark contrasts in weather patterns. In August, temperatures range from a comfortable minimum of 9°C (49°F) to a warm maximum of 32°C (89°F), with an average of 17°C (64°F). This month sees around 80 mm (3.1 in) of precipitation over 12 days, and humidity levels hover at 78%. In contrast, November brings much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 18°C (64°F), resulting in an average temperature of just 8°C (46°F). Precipitation decreases to 54 mm (2.1 in) over 10 days, yet humidity rises to 89%, creating a damp atmosphere. For more details, check out Boston weather in November.
August and December present strikingly different weather conditions. In August, temperatures range from a mild 9°C (49°F) at night to a warm 32°C (89°F) during the day, with an average of 17°C (64°F). The month experiences 80 mm (3.1 in) of rainfall over about 12 days and maintains a humidity level of 78%. In contrast, December brings colder temperatures, with a minimum of -2°C (29°F) and a maximum of 15°C (59°F), averaging only 6°C (43°F). Although precipitation decreases slightly to 72 mm (2.8 in) over 15 days, humidity rises to 88%. For more insights on December weather, you can check Boston weather in December.
As summer peaks in August, Boston experiences a noticeable shift in weather, characterized by warm temperatures and increased humidity that set it apart from the milder months. With an average temperature hovering around 17°C (64°F) and highs reaching up to 32°C (89°F), this month brings a vibrancy to the city often accompanied by scattered showers—averaging 12 days of precipitation. The humidity can feel stifling at times, but it also contributes to the lush green surroundings. In contrast to other months, August embodies the full essence of summer in Boston, making it an ideal time for outdoor activities and vibrant festivals. For a deeper dive into the city's climate patterns, visit Boston Climate.