Last updated: February 24, 2025
June in Nantucket offers a delightful blend of mild temperatures and refreshing ocean breezes. With maximum highs reaching 21°C (70°F) and an average temperature of 15°C (60°F), the island enjoys pleasant days perfect for outdoor activities. However, prepare for occasional rain, as the month averages 83 mm (3.2 in) of precipitation spread over 10 days, and the humidity sits at a comfortable 78%. Whether strolling along the coast or exploring the charming local streets, visitors can embrace the beauty of Nantucket’s June weather while keeping an umbrella handy for those brief showers.
In June, Nantucket begins to embrace the warmth of summer, showcasing a noticeable rise in temperatures compared to the preceding months. With minimums climbing to 10°C (50°F) and maximums reaching a pleasant 21°C (70°F), the island becomes a delightful destination for outdoor activities. The average temperature of 15°C (60°F) signifies a marked transition, inviting locals and visitors alike to enjoy beach strolls and picnics under the azure skies. As the days grow longer, Nantucket offers a vibrant atmosphere, making June a wonderful time to experience the charm of this coastal haven.
In June, Nantucket experiences a moderate shift in precipitation, receiving 83 mm (3.2 in) of rainfall over approximately 10 days. This marks a notable decrease compared to the wetter months preceding it, especially May, which saw 130 mm (5.1 in). As summer unfolds, the island enjoys a more balanced climate with less frequent rain, setting the stage for outdoor activities. Interestingly, the transition into July continues this trend with even lower rainfall at 64 mm (2.5 in), suggesting that Nantucket's charm lies not only in its scenic beauty but also in its relatively dry summer weather, creating a perfect environment for visitors.
As June arrives in Nantucket, the humidity dips slightly to 78%, marking a transition from the wetter spring months. This mild decrease follows a steady decline from 84% in January to 75% in May, offering a brief respite before summer sets in. Interestingly, the humidity levels remain consistent during the peak summer months, with July and August both hovering around 76%. This pattern suggests that while June may signal the onset of summer, the air retains a comfortable level of moisture, making it an ideal time for outdoor activities. Overall, the gradual fluctuation from higher winter humidity to the moderate summer levels illustrates Nantucket's unique climate rhythm.
As summer arrives in Nantucket, the UV Index peaks dramatically in June, reaching 10, which falls into the very high exposure category. This marks a significant rise from the 8 in April and 9 in May, highlighting the increasing intensity of sun exposure during this sun-drenched season. With a burn time of just 15 minutes, it's crucial for visitors and locals alike to take precautions while enjoying the outdoors. Following June, July maintains this intense UV Index of 10, before gradually declining in August and September. The trend clearly shows that summer months demand heightened awareness of UV radiation, reminding everyone to stay protected while basking in Nantucket's beautiful sun. For more details on UV levels throughout the year, check out Nantucket UV Index.
UV Risk Categories
As June unfolds in Nantucket, it welcomes a radiant surge of sunshine, boasting 319 hours of daylight—one of the highest for the year. This vibrant month marks a significant leap from the earlier spring months, with sunshine hours climbing from 244 in April to this summer high. The trend is clear: as the days lengthen, Nantucket basks in an abundance of light, paving the way for warm summer adventures and beach days. With July peaking at 342 hours, the warm weather continues to flourish, making June a delightful prelude to the sun-soaked days ahead, while the gradual decline begins in August. This consistent rise and fall in sunshine hours weaving through the months paints a charming picture of Nantucket's seasonal rhythm.
In June, Nantucket experiences a 37% chance of sunny weather, which is a slight dip compared to the previous months of March through May, where sun chances hovered around the mid-40s. This trend suggests that while early summer may bring a more temperate climate, it doesn't necessarily guarantee an abundance of sunny days. Interestingly, as the summer progresses into July and August, the likelihood of sunny weather remains fairly stable, ranging between 39% and 42%. With the potential for pleasant days, June still offers opportunities for outdoor adventures, even if the sun doesn't shine as brightly as one might hope.
In Nantucket, United States, the month of June ushers in a delightful increase in daylight, granting residents and visitors an impressive 15 hours of sunshine each day. This peak in daylight marks a significant transition from the earlier months, where January starts with just 9 hours and gradually rises through the spring. The extended daylight in June encourages outdoor activities and joyous gatherings, as the days are longest just before they begin to taper off slightly in July. This annual rhythm showcases Nantucket's shift from winter's brevity to the vibrant, sun-kissed days of summer, creating an inviting atmosphere that captures the essence of the season.
In Nantucket, June ushers in a gentle breeze with an average wind speed of 6.5 m/s (15 mph), marking a subtle continuation of the seasonal decline in wind intensity that began in late spring. This month features the lowest wind speeds of the year, following a gradual decrease from 8.2 m/s in January. As summer unfolds, the winds soften further, paving the way for tranquil beach days and leisurely strolls along the shore. Interestingly, July tends to experience even lighter winds at 5.4 m/s (12 mph), suggesting that the island's summer atmosphere is increasingly inviting for those seeking relaxation in its picturesque surroundings. This decreasing trend is contrasted by the stronger breezes typical in autumn, particularly noticeable as September approaches.
The weather in Nantucket changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Nantucket and find detailed weather information for every month.
June and January in Nantucket present two sharply contrasting weather profiles. In June, temperatures are milder, with a minimum of 10°C (50°F) and averaging around 15°C (60°F), peaking at 21°C (70°F), while the humidity stands at a comfortable 78%. Precipitation is fairly moderate, totaling 83 mm (3.2 in) over approximately 10 days.
In stark contrast, January experiences much colder temperatures, with a minimum of -13°C (9°F), an average of 3°C (38°F), and a maximum of just 13°C (55°F). The humidity is slightly higher at 84%, and precipitation increases to 96 mm (3.8 in) over a similar number of days. For those curious about the winter weather specifics, you can find more information here: Nantucket weather in January.
When comparing the weather in June and February, there are notable differences in temperature and precipitation. June features milder conditions, with average temperatures ranging from 10°C (50°F) to a maximum of 21°C (70°F), making it a much warmer month. In contrast, February has a much colder climate, with average temperatures between -10°C (15°F) and 13°C (55°F). Although June experiences less precipitation, with 83 mm (3.2 in) over about 10 days, February sees higher rainfall of 127 mm (5.0 in) spread across approximately 13 days. Additionally, February's humidity is slightly higher at 84%, compared to June's 78%. For more detailed information about February weather, you can visit Nantucket weather in February.
When comparing the weather in June and March, notable differences emerge. June enjoys a milder climate with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 21°C (70°F) and an average of 15°C (60°F). In contrast, March is much colder, with temperatures dipping as low as -7°C (19°F) and peaking at just 12°C (53°F), averaging around 4°C (39°F). Additionally, while June experiences 83 mm (3.2 in) of precipitation over approximately 10 days, March sees even higher precipitation levels at 114 mm (4.5 in) across 11 days. Humidity levels in both months are relatively similar, with June at 78% and March slightly higher at 82%. For a more detailed look at March weather, check out Nantucket weather in March.
June generally experiences milder temperatures compared to April, with average daily highs reaching 21°C (70°F) compared to just 13°C (56°F) in April. However, April has a significantly higher amount of precipitation, totaling 127 mm (5.0 in) over 12 days, while June has 83 mm (3.2 in) spread across 10 days. Both months have similar humidity levels, with June at 78% and April slightly higher at 79%. For more detailed information on April weather in Nantucket, visit Nantucket weather in April.
In comparing the weather of June to that of May, June tends to be warmer with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 21°C (70°F), while May records a lower range of 5°C (41°F) to 16°C (62°F). Additionally, June has less precipitation, totaling 83 mm (3.2 in) over 10 days, compared to May's 130 mm (5.1 in) over 12 days. Humidity levels in June are slightly higher at 78%, compared to 75% in May. For more detailed information on May weather, you can visit Nantucket weather in May.
June and July exhibit noticeable differences in weather patterns. In June, the temperatures range from a minimum of 10°C (50°F) to a maximum of 21°C (70°F), with an average of 15°C (60°F). This month experiences 83 mm (3.2 in) of precipitation over approximately 10 days, and the humidity is relatively high at 78%. In contrast, July features warmer temperatures, with minimums of 15°C (59°F) and maximums reaching 24°C (76°F), resulting in an average of 20°C (67°F). Precipitation decreases to 64 mm (2.5 in) and occurs on about 8 days, while humidity slightly drops to 76%. For more detailed information, check out Nantucket weather in July.
June and August weather present notable differences in both temperature and precipitation. June experiences cooler temperatures, with averages around 15°C (60°F) and highs peaking at 21°C (70°F), while August sees warmer conditions, with average temperatures rising to 21°C (70°F) and maximums reaching 24°C (76°F). In terms of precipitation, June receives about 83 mm (3.2 in) over 10 days, whereas August experiences slightly heavier rainfall totaling 98 mm (3.9 in) over just 8 days. Humidity levels remain relatively similar, at 78% in June and 76% in August. For more detailed information about August weather, you can refer to Nantucket weather in August.
When comparing the weather in June and September, we see some notable differences. June typically has a milder range of temperatures, with a minimum of 10°C (50°F) and a maximum of 21°C (70°F), averaging around 15°C (60°F). This month experiences about 83 mm (3.2 in) of precipitation over approximately 10 days, coupled with a higher humidity level of 78%. In contrast, September brings slightly warmer weather, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 23°C (73°F), and an average of 19°C (66°F). However, it also sees increased precipitation, totaling around 122 mm (4.8 in) over the same number of days, while humidity remains relatively stable at 75%. For a detailed look at September weather, visit Nantucket weather in September.
June and October present distinct weather characteristics, each with its own unique charm. In June, temperatures typically range from a minimum of 10°C (50°F) to a pleasant average of 15°C (60°F), peaking at around 21°C (70°F). The month sees about 83 mm (3.2 in) of precipitation spread over approximately 10 days, with humidity levels hovering around 78%. In contrast, October shares an average temperature of 15°C (60°F), but experiences cooler minimums at 5°C (41°F) and warmer maximums reaching 22°C (71°F). This month is notably wetter, with rainfall amounting to 162 mm (6.4 in) over 12 days, accompanied by slightly less humidity at 75%. For a closer look at October weather specifics, you can explore Nantucket weather in October.
June and November exhibit markedly different weather patterns. In June, temperatures range from a minimum of 10°C (50°F) to a maximum of 21°C (70°F), with an average of 15°C (60°F). The month experiences a relatively moderate level of precipitation, totaling 83 mm (3.2 in) over approximately 10 days and a humidity level of 78%. Conversely, November sees colder temperatures, with a minimum of -5°C (24°F) and a maximum of 19°C (66°F), averaging around 10°C (50°F). This month is also wetter, with precipitation reaching 115 mm (4.5 in) over the same number of days and slightly higher humidity at 80%. For a deeper look into what to expect during this month, check Nantucket weather in November.
June and December present striking contrasts in weather. In June, temperatures range from a mild 10°C (50°F) at night to a pleasant average of 15°C (60°F) during the day, peaking at 21°C (70°F). The month sees around 83 mm (3.2 in) of rainfall over 10 days, coupled with a humidity level of 78%. In contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -9°C (16°F) and averaging only 5°C (42°F), while reaching a maximum of 16°C (61°F). Precipitation increases to 132 mm (5.2 in) over 12 days, with humidity slightly higher at 80%. For more details on December weather specifics, you can visit Nantucket weather in December.
June in Nantucket ushers in a delightful transition from spring to summer, marked by mild temperatures and a refreshing coastal breeze. With an average of 15°C (60°F), the weather is generally more pleasant compared to the cooler months, inviting outdoor activities and festive gatherings. However, the month also sees an increase in humidity, sitting at around 78%, adding a touch of tropical feel to the island. While you can expect an average of 10 days of precipitation, this rainfall is often light and brief, allowing for plenty of sunshine and blue skies to dominate the scene. As June unfolds, Nantucket bursts into life, making it a fantastic time to explore the island’s natural beauty. For a deeper dive into the seasonal changes, check out Nantucket Climate.