Last updated: February 24, 2025
In Port Jefferson, United States, June ushers in a warm embrace with a maximum temperature soaring to 29°C (85°F) and an average of 20°C (68°F), making it an ideal time for outdoor activities. Despite enjoying mild days, residents and visitors can expect to encounter some rain, with a total precipitation amount of 87 mm (3.4 in) spread over 9 rainy days. The month is characterized by a humidity level of 69%, creating a pleasant yet slightly muggy atmosphere. Embrace the vibrant coastal charm of Port Jefferson this June, where summer's warmth beckons amidst the gentle summer showers.
In Port Jefferson, June heralds the arrival of summer, showcasing a significant warming trend as temperatures rise from the brisk chill of spring. The month begins with a comfortable minimum of 10°C (50°F), while average daily temperatures jump to a pleasant 20°C (68°F). This upward momentum peaks with highs reaching 29°C (85°F), making it one of the warmest months of the year. Compared to the cooler months, June offers a refreshing escape, with temperatures climbing steadily from the lows of January and February, where minima plummet to -15°C (6°F). As the days lengthen and the sun shines brighter, the transition from refreshing spring breezes to the warmth of summer is unmistakably felt, inviting residents and visitors alike to embrace outdoor activities and lively summer gatherings.
In June, Port Jefferson experiences a moderate drop in precipitation, with 87 mm (3.4 inches) of rain spread over 9 days. This marks a noticeable decrease compared to the wetter months of April and May, suggesting a gradual transition towards drier summer conditions. Despite the reduction in rainfall, the overall pattern reveals that June maintains a balance between the preceding spring showers and the heavier downpours of July, which brings 131 mm (5.2 inches). As the region shifts into summer, the fluctuation in precipitation emphasizes the changing climate, with June serving as a key pivot point that bridges the lushness of spring and the intensity of mid-summer rains.
In June, Port Jefferson experiences a refreshing shift in humidity, with levels stabilizing at 69%—a significant decline from the winter months, where humidity hovered above 80%. This steady June humidity mirrors the transitions seen in May and hints at a gentle onset of summer, setting the stage for the warmer months ahead. As July approaches, humidity dips even further to 62%, signaling a consistent decrease that continues into late summer, while still allowing for a comfortable coastal atmosphere. The trend highlights a gradual relief from the pervasive winter moisture, offering residents and visitors a more delightful climate to enjoy outdoor activities.
In Port Jefferson, June marks the peak of sun exposure, with a UV Index soaring to 10, categorizing it as very high. This level of intensity signifies that unprotected skin can burn in as little as 15 minutes, urging residents and visitors to take precautionary measures seriously. The trend leading into June shows a steady increase in UV levels, with earlier months like April and May already reaching very high readings. As we transition from spring into summer, the importance of sun safety becomes paramount; consistently high UV indices underscore the need for sunscreen, protective clothing, and shade. For more detailed insights, explore the complete statistics at Port Jefferson UV Index.
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In June, Port Jefferson basks in the glow of 319 hours of sunshine, marking a delightful peak in the yearly trend of increasing daylight hours. Following the steady rise from the wintery 154 hours in January, the area experiences a significant jump in brightness as spring transitions into summer. With 285 hours in May and a remarkable 343 hours in July, June plays a pivotal role in this sunny climb, reminding residents and visitors alike of the region’s vibrant, sun-soaked charm. As summer unfolds, the comforting warmth and longer days invite everyone to enjoy the beautiful waterfront and outdoor festivities, creating memories under the radiant skies.
In Port Jefferson, the likelihood of sunny weather experiences fluctuations throughout the year, with June seeing a moderate 41% chance of sunshine. While this percentage isn't the highest, it follows a trend of relatively lower sun probabilities in the late spring and summer months, peaking in March at 58%. As the year progresses, sunny days become less certain, especially in August, which dips to 32%. Notably, November stands out with a resurgence to 56%, suggesting that brighter days might make a comeback as the year winds down. Overall, while June offers a decent chance for sun, it remains part of a pattern marked by variability and the potential for cloud cover as summer approaches.
As June unfolds in Port Jefferson, the days stretch luxuriously to 15 hours of daylight, marking the pinnacle of sunshine for the year. This surge in daylight stems from a gradual ascent beginning in January, where the sun graces the sky for just 9 hours, and it steadily brightens through the months. By the time we reach April, the days have already increased to 13 hours, and May brings even more light with 14 hours. Following the brilliance of June, daylight starts to wane again as July and August gradually scale back to 14 and 13 hours, respectively. This rhythmic ebb and flow of daylight not only highlights the change of seasons but also invites residents to embrace the warmth and vitality of summer in Port Jefferson.
In June, Port Jefferson experiences a gentle breeze, with an average wind speed of 3.9 m/s (9 mph), marking a notable decline from the preceding months. This dip in wind velocity reflects the transition into summer, as the area's air begins to warm and calm down. Notably, this trend of decreasing winds continues into July and August, with both months reporting average speeds of 3.4 m/s (8 mph). However, as summer fades, September sees a resurgence in wind activity, bouncing back to 4.3 m/s (10 mph), invigorating the coastal atmosphere. Overall, the wind patterns in Port Jefferson highlight a rhythmic ebb and flow, reminiscent of the seasons' shifting embrace, offering a unique charm to the picturesque locale.
The weather in Port Jefferson 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 Port Jefferson and find detailed weather information for every month.
June and January present stark contrasts in weather. In June, temperatures range from a pleasant 10°C (50°F) at night to a warm 29°C (85°F) during the day, making it an ideal time for outdoor activities. With an average temperature of 20°C (68°F) and 87 mm (3.4 in) of precipitation over approximately 9 days, June's humidity sits at a comfortable 69%. In contrast, January brings significantly colder conditions, with temperatures dipping as low as -15°C (6°F) and only reaching up to 15°C (60°F). The average temperature is just 2°C (35°F), with 80 mm (3.1 in) of precipitation spread across about 8 days, along with a higher humidity level of 84%. For more specific insights into January's weather, visit Port Jefferson weather in January.
The weather in June and February presents a stark contrast, particularly in terms of temperature and humidity. June enjoys a much warmer climate with average temperatures around 20°C (68°F), peaking at a maximum of 29°C (85°F), while February remains chilly, with average temperatures hovering at just 2°C (36°F) and reaching a maximum of only 15°C (58°F). Additionally, February experiences higher humidity levels at 82% compared to June's 69%. Precipitation is also notable in both months, with June receiving 87 mm (3.4 in) over 9 days, while February records a slightly higher total of 112 mm (4.4 in) across 12 days. For more details on February conditions, you can visit Port Jefferson weather in February.
In comparing the weather of June and March, a stark contrast emerges. June generally boasts milder temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 29°C (85°F), with an average of 20°C (68°F). In contrast, March experiences colder temperatures, with lows plummeting to -8°C (17°F) and an average of just 4°C (40°F). When it comes to precipitation, March sees slightly higher rainfall at 104 mm (4.1 in) over 10 days compared to June's 87 mm (3.4 in) over 9 days. Furthermore, March has a higher humidity level at 81%, compared to June's 69%. For more detailed information, you can visit Port Jefferson weather in March.
In comparing the weather of June and April, we can see distinct differences in temperature and precipitation patterns. June enjoys milder temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 29°C (85°F), with an average of 20°C (68°F). In contrast, April experiences cooler conditions, with temperatures varying from a low of -1°C (31°F) to a high of 22°C (71°F), resulting in a much lower average of 9°C (49°F). Additionally, April sees higher precipitation levels, accumulating 132 mm (5.2 in) over 12 days, compared to June's 87 mm (3.4 in) across 9 days. Humidity levels are also notably higher in April at 78%, while June's humidity stands at 69%. For a deeper look into the specific weather conditions during April, you can visit Port Jefferson weather in April.
June offers a more temperate climate compared to May, with average daily temperatures reaching 20°C (68°F) as opposed to May's cooler average of 14°C (58°F). The maximum temperatures in June can reach up to 29°C (85°F), while May peaks at 26°C (79°F). Despite June experiencing a slightly lower total precipitation of 87 mm (3.4 in) over 9 days, compared to May’s 119 mm (4.7 in) across 13 days, both months share a humidity level of 69%. For more detailed weather insights, check out Port Jefferson weather in May.
In June, the weather is generally milder, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 29°C (85°F) and an average of 20°C (68°F). June also experiences around 87 mm (3.4 in) of precipitation over 9 days, contributing to a humidity level of 69%.
In contrast, July tends to be warmer, with temperatures starting at a minimum of 16°C (60°F) and peaking at 33°C (91°F), averaging 24°C (76°F). However, July sees an increase in precipitation to 131 mm (5.2 in) over 12 days, although the humidity drops slightly to 62%. For more detailed information on July conditions, check out Port Jefferson weather in July.
June and August present distinct weather patterns, highlighting the transition from early summer to late summer. In June, temperatures range from a minimum of 10°C (50°F) to a maximum of 29°C (85°F), with an average of 20°C (68°F). The month experiences around 87 mm (3.4 in) of precipitation spread over 9 days, accompanied by a humidity level of 69%. In contrast, August sees warmer conditions, with temperatures fluctuating between a minimum of 16°C (61°F) and a maximum of 31°C (88°F), averaging 24°C (75°F). Precipitation increases slightly to 103 mm (4.0 in) over 11 days, while humidity dips to 65%. For more specifics on weather patterns during this month, you can check out Port Jefferson weather in August.
June and September both offer mild temperatures, but there are subtle differences between the two months. In June, temperatures range from a minimum of 10°C (50°F) to a maximum of 29°C (85°F), with an average of 20°C (68°F). This month experiences about 87 mm (3.4 in) of precipitation over 9 days, accompanied by a humidity level of 69%. Conversely, September sees a slightly higher temperature range, with minimums of 11°C (52°F) and maximums reaching 30°C (87°F), averaging 21°C (70°F). Precipitation increases marginally to 94 mm (3.7 in) over 10 days, while humidity remains comparable at 68%. This makes September a bit wetter but also slightly warmer than June. For more details about September weather, you can visit Port Jefferson weather in September.
June and October showcase distinct weather patterns. In June, temperatures typically range from a minimum of 10°C (50°F) to a maximum of 29°C (85°F), with an average of 20°C (68°F). The month sees about 87 mm (3.4 in) of precipitation over approximately 9 rainy days and maintains a humidity level of 69%. In contrast, October experiences cooler temperatures, with averages dropping to 16°C (61°F) and a minimum of 5°C (41°F), while still reaching a maximum of 29°C (84°F). This month has higher precipitation at 143 mm (5.6 in), spread over 12 days, and humidity rises slightly to 74%. For more insight into October weather, check out Port Jefferson weather in October.
June and November present strikingly different weather conditions. June boasts milder temperatures with an average of 20°C (68°F), peaking at a comfortable 29°C (85°F), while November experiences significantly colder weather, with average temperatures dropping to 9°C (49°F) and nighttime lows reaching as low as -6°C (21°F). Precipitation levels are relatively close, with June receiving 87 mm (3.4 in) and November seeing a slight increase to 103 mm (4.0 in) across nine rainy days. Moreover, humidity is notably higher in November at 82%, compared to June's 69%, contributing to a damp chill in the air. For further details on November weather, you can visit Port Jefferson weather in November.
In June, the weather is generally mild and pleasant, with average temperatures reaching around 20°C (68°F) and maximums soaring to 29°C (85°F). The month experiences some rainfall, with about 87 mm (3.4 in) over approximately 9 days and a humidity level of 69%. In contrast, December brings much colder temperatures, with an average of just 5°C (40°F) and maximums of 17°C (62°F), while the minimum can plunge to -10°C (15°F). Precipitation increases during this month to 140 mm (5.5 in) over 11 days, accompanied by higher humidity at 80%. For more details on December weather, you can check Port Jefferson weather in December.
As June unfolds in Port Jefferson, the weather transforms into a delightful blend of warmth and freshness, distinguishing it from other months. With temperatures peaking at a comfortable 29°C (85°F) and an inviting average of 20°C (68°F), residents and visitors alike can enjoy the emerging summer vibes. While precipitation is a factor, with about 9 days exhibiting rain, the overall humidity settles at a pleasant 69%, making it a perfect time for outdoor activities and exploration. For a comprehensive look at the climatic characteristics of this enchanting coastal town, check out Port Jefferson Climate.