Last updated: February 24, 2025
August weather in Mystic, United States presents a delightful blend of warmth and occasional rainfall. With a maximum temperature reaching 28°C (83°F) and an average of 22°C (73°F), the month offers a pleasant summer experience. However, residents and visitors should be prepared for some wet days, as 101 mm (4.0 in) of precipitation is recorded over 9 days, contributing to a humidity level of 76%. Embrace the vibrant atmosphere of this coastal town, where balmy days encourage outdoor adventures and the occasional rain adds a refreshing twist to late summer escapades.
In August, Mystic, United States, basks in warm summer temperatures, with minimums resting comfortably at 15°C (60°F) and averages creeping up to 22°C (73°F). The maximums peak at a delightful 28°C (83°F), making it one of the warmest months of the year. This trend of rising temperatures is consistent as Mystic transitions from the cooler embrace of June and July, which themselves have seen gradual increases. As the summer progresses, residents and visitors alike enjoy the pleasant warmth, often engaging in outdoor activities under the long, sunlit days. With these inviting conditions, August stands out as a vibrant month, offering a perfect blend of heat and leisure before the cooler autumn air settles in.
In August, Mystic experiences a moderate precipitation total of 101 mm (4.0 in), consistent with the rainfall levels seen in the surrounding summer months. With just 9 rainy days, the climate remains relatively pleasant, mirroring the precipitation pattern of September, which also records 101 mm for the month. This slight dip from July’s 115 mm (4.5 in) suggests a transition towards the drier seasons ahead, yet it still provides necessary moisture to support the lush landscapes. Notably, this month falls in line with the overall trend of variable precipitation throughout the year, highlighted by a peak in October. As summer gently recedes, residents can expect a charming balance between sunshine and rain, perfect for enjoying the lingering warmth before autumn arrives.
In August, Mystic experiences a relative humidity of 76%, maintaining a consistent trend observed through the summer months. Following the higher humidity levels in the winter—peaking at 84% in both January and February—there's a gradual decline as spring gives way to summer. This decrease is especially notable in May and June as the humidity dips to 75% and 78%, respectively, before stabilizing at 76% during the peak of summer. As autumn approaches, humidity levels begin to drop further, reflecting a seasonal shift, but August's climate still offers a comfortably humid atmosphere typical of the coastal region, making it an ideal time for outdoor activities.
In August, the UV Index in Mystic, United States, stands at a notable 9, indicating a very high level of solar radiation. This level mirrors the extreme UV exposure seen in the peak summer months of June and July, reinforcing the need for heightened sun safety precautions. With a burn time of just 15 minutes, it’s essential for residents and visitors to remain vigilant against skin damage, as prolonged exposure can quickly lead to harmful effects. As summer edges into autumn, the UV Index shows a slight decline in September to 8, yet it remains important to monitor conditions throughout the season. For more detailed information on UV levels and protective measures, visit Mystic UV Index.
UV Risk Categories
In August, Mystic, United States, basks in a generous 331 hours of sunshine, making it one of the sunniest months of the year. This peak follows an upward trend that begins in the colder months; the sunshine hours steadily increase from 152 hours in January to an impressive summer high of 351 hours in July. August maintains this vibrant momentum, just slightly dipping from July's zenith while still outperforming preceding months. As summer transitions into fall, the subsequent months show a gradual decline in sunlight, with September at 282 hours and October trailing at 232 hours. The pattern of increasing sunlight during the summer months paints a vivid picture of Mystic’s warm and inviting climate, perfect for enjoying the outdoors.
In Mystic, the chance of sunny weather in August dips to 34%, marking one of the lower probabilities for the year. This trend follows a gradual decline from the sunnier months of spring and early summer, where sunshine chances peaked at 61% in March and hovered around the mid-40s through May and June. As the summer progresses into late July, the likelihood wanes slightly to 43%, culminating in August's notable drop. Interestingly, as the year transitions into fall, the chances of sunshine begin to rebound, with September and October boasting 47% and 46%, respectively. Thus, while August might not promise abundant sunshine in Mystic, the approaching months hint at a sunnier outlook ahead.
In Mystic, United States, August offers a delightful transition as daylight begins to recede, offering approximately 13 hours of sunshine. This marks a slight decrease from the peak daylight of 15 hours experienced in June, illustrating how summer gradually cedes space to the approaching fall. The trend of decreasing daylight continues into September and October, mirroring the vibrant change in seasons. This ebb and flow of daylight hours highlights the natural rhythm of Mystic's yearly cycle, inviting residents and visitors alike to savor the lingering warmth of summer while embracing the forthcoming autumnal transformation.
As summer reaches its zenith in August, the winds in Mystic, United States, shift into a more subdued rhythm, with average wind speeds dropping to 4.2 m/s (9 mph). This marks a continuation of the gentle breezes that began in July, creating a calm ambiance perfect for leisurely strolls along the waterfront. Throughout the year, a noticeable trend emerges: the wind tends to be strongest during the winter months, with peak speeds in January and February at 6.2 m/s (14 mph). As the seasons progress towards summer, the winds gradually mellow out, hitting their annual low in August before picking up again in September. This seasonal cycle not only influences the local weather but also adds a unique charm to Mystic, making it a delightful place to experience the changing winds.
The weather in Mystic 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 Mystic and find detailed weather information for every month.
August and January present starkly contrasting weather conditions. August typically enjoys milder temperatures, with a minimum of 15°C (60°F), an average of 22°C (73°F), and a maximum of 28°C (83°F). The month sees considerable humidity at 76% and experiences around 101 mm (4.0 in) of precipitation over about 9 days. In contrast, January plunges into a much colder climate, with temperatures ranging from a minimum of -16°C (4°F) to a maximum of 14°C (58°F), resulting in an average of just 2°C (35°F). Despite having less precipitation at 83 mm (3.3 in) over 8 days, January’s humidity levels rise to a notable 84%. For those interested in exploring more about the winter conditions, check out Mystic weather in January.
August and February showcase stark contrasts in weather. August typically enjoys milder temperatures, with averages around 22°C (73°F) and maximums reaching 28°C (83°F), while February experiences much colder conditions, averaging just 2°C (36°F) and maxing out at 12°C (54°F). Precipitation is relatively similar, with August receiving around 101 mm (4.0 in) over 9 days and February slightly higher at 109 mm (4.3 in) over 11 days, though February’s humidity is marginally higher at 84% compared to August's 76%. For a deeper insight into the winter climate, check out Mystic weather in February.
August and March present distinctly different weather experiences. In August, temperatures range from a minimum of 15°C (60°F) to an average of 22°C (73°F), reaching a maximum of 28°C (83°F), making it a warm and humid month with an average humidity of 76%. However, it does experience some rainfall, with approximately 101 mm (4.0 in) over 9 days. In contrast, March is much cooler, with temperatures dipping as low as -9°C (16°F) and averaging around 4°C (39°F). The maximum temperature only reaches 15°C (60°F), and while it sees a slightly higher precipitation level of 108 mm (4.3 in), the increased humidity of 82% adds a chill to the air. For more insights into March's climate, you can explore Mystic weather in March.
In comparing the weather between August and April, notable differences emerge in both temperature and precipitation patterns. August typically offers milder temperatures, with a minimum of 15°C (60°F) and an average high of 28°C (83°F), while April experiences cooler conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 18°C (65°F). Precipitation levels are also different; August sees 101 mm (4.0 in) of rain over 9 days, whereas April records higher precipitation at 136 mm (5.3 in) over 12 days. Furthermore, humidity levels are slightly elevated in August at 76%, compared to 79% in April, contributing to the overall feeling of heaviness in the air. For more detailed insights, you can explore Mystic weather in April.
In comparing the weather between August and May, August generally experiences warmer temperatures, with an average of 22°C (73°F) and a maximum reaching 28°C (83°F), compared to May's average of 13°C (55°F) and maximum of 22°C (72°F). While both months have significant precipitation, May sees slightly more rain at 119 mm (4.7 in) over 13 days, whereas August has 101 mm (4.0 in) across 9 days. Humidity levels are fairly similar, with August at 76% and May at 75%. For a closer look at the conditions in May, you can explore Mystic weather in May.
When comparing the weather in August and June, August generally offers warmer temperatures with a range from a minimum of 15°C (60°F) to a maximum of 28°C (83°F), while June has cooler conditions, with temperatures fluctuating between 10°C (50°F) and 25°C (78°F). The average temperature in August is notably higher at 22°C (73°F) compared to June's average of 18°C (64°F). In terms of precipitation, August experiences slightly more rain, with 101 mm (4.0 in) over 9 days, compared to June's 84 mm (3.3 in) over 10 days. Additionally, humidity levels are relatively similar, with August at 76% and June at 78%. For more detailed insights into June weather, check out Mystic weather in June.
In comparing the weather between July and August, both months exhibit similar temperature ranges, with minimums around 15°C (60°F), average highs around 22°C (73°F), and maximums slightly varying—29°C (85°F) in July compared to 28°C (83°F) in August. Precipitation levels indicate that July is a bit wetter, receiving 115 mm (4.5 in) over 10 days, while August has 101 mm (4.0 in) across 9 days. Notably, humidity remains consistent in both months at 76%, contributing to the warm, muggy conditions typical of summer. For more specific insights on the weather in July, you can refer to Mystic weather in July.
August experiences warmer temperatures, with an average of 22°C (73°F) and a maximum of 28°C (83°F), while September sees a slight drop in the average to 20°C (68°F) and a minimum of 10°C (51°F). Despite both months having the same amount of precipitation at 101 mm (4.0 in) over 9 days, humidity levels are slightly lower in September at 75%, compared to August's 76%. For more detailed insights into what to expect, check out Mystic weather in September.
August generally experiences warmer temperatures compared to October, with average highs reaching 28°C (83°F) and a minimum of 15°C (60°F). In contrast, October sees a decrease in warmth, with average temperatures ranging from a chilly 4°C (39°F) at night to a mild 25°C (77°F) during the day. Precipitation also differs between the two months; August receives about 101 mm (4.0 in) over approximately 9 days, while October has a higher total of 157 mm (6.2 in) spread across 12 days. Despite the increased rainfall in October, humidity levels remain similar, around 75-76%. For more detailed insights into what to expect, you can check out Mystic weather in October.
August and November present strikingly different weather conditions. In August, temperatures range from a mild 15°C (60°F) at night to a warm average of 22°C (73°F) during the day, peaking at 28°C (83°F). The month sees an average of 101 mm (4.0 in) of precipitation over 9 days, with humidity levels around 76%, resulting in a distinctly summer feel. In contrast, November experiences much cooler temperatures, with lows dipping to -7°C (20°F) and a daytime average of just 9°C (49°F), reaching a maximum of 20°C (68°F). Precipitation increases slightly to 113 mm (4.4 in) over 10 days, and humidity rises to 80%, contributing to a damp and chilly atmosphere. For more insights into this month’s weather, visit Mystic weather in November.
August and December showcase striking contrasts in weather. In August, temperatures range from a mild 15°C (60°F) to a warm 28°C (83°F), with an average of 22°C (73°F), while December experiences much cooler conditions, with a minimum of -11°C (12°F) and a maximum of 16°C (61°F), averaging just 4°C (40°F). August also sees significant rainfall, with 101 mm (4.0 in) over 9 days, while December is wetter still, accumulating 141 mm (5.6 in) over 11 days. Interestingly, the humidity remains relatively high in both months, with August at 76% and December at 80%. For more insights into December's weather, check out Mystic weather in December.
As August unfolds in Mystic, it brings a warm embrace with temperatures that peak at a pleasant 28°C (83°F) and hover around a comfortable average of 22°C (73°F). While the month welcomes summer’s lingering warmth, it also introduces an element of humidity at 76%, providing a distinct vibe compared to the crispness of earlier months. With 101 mm of precipitation spread over nine days, the occasional summer rain showers refresh the air and contribute to the lush greenery. This blend of warmth and moisture creates a unique atmosphere, making August a transitional month as Mystic gracefully shifts from the height of summer toward the cooler embrace of fall. For a deeper understanding of how August weather fits within the broader picture, explore Mystic Climate.