Last updated: February 24, 2025
In July, Portsmouth, United States, experiences a warm and humid summer, with maximum temperatures peaking at 31°C (88°F) and an average of 22°C (71°F). The month sees a total precipitation of 123 mm (4.8 in) over approximately 12 days, making it a time for occasional rain showers amidst the heat. With humidity levels averaging 67%, outdoor activities can feel muggy, yet the vibrant summer atmosphere enhances the charm of this coastal city. Whether you're exploring the local sights or enjoying the waterfront, July in Portsmouth offers a delightful blend of warmth and coastal beauty.
In July, Portsmouth basks in the warmth of summer, with temperatures reaching a delightful maximum of 31°C (88°F). The month greets residents and visitors alike with a comfortable average temperature of 22°C (71°F), making it an ideal time for outdoor activities. Nights remain pleasantly mild, as the minimum temperature hovers around 13°C (56°F). Compared to the biting cold of winter months, July stands out as a vibrant contrast, welcoming the shoreline’s beauty and community festivities. With warm days and balmy evenings, this month captures the essence of summer, inviting everyone to enjoy the charm of Portsmouth under the sun.
In July, Portsmouth experiences a notable increase in precipitation, with 123 mm (4.8 in) falling over 12 days, making it one of the wettest months of the year. This uptick continues the trend from the previous month, June, albeit with a more substantial rainfall. The warm summer atmosphere coupled with the heightened precipitation sets the stage for lush landscapes, while also highlighting July as a pivotal time in Portsmouth’s weather pattern. As summer peaks, residents can expect sporadic rain showers that invigorate the region, reflecting a fluctuating yet vibrant climate characteristic of this coastal city.
In July, Portsmouth experiences a pleasant dip in humidity, averaging at 67%, which marks a notable contrast to the sticky winter months. Following a gradual decline from 86% in January to 72% by June, July's comfortable humidity levels create an ideal backdrop for summer activities. This trend continues into August, where humidity slightly decreases further to 66%, hinting at a trend towards drier conditions as summer peaks. The progression throughout spring and summer indicates a shift from the heavy, moisture-laden air of winter, allowing residents and visitors to enjoy the vibrant outdoor scenes without the oppressive humidity of earlier months.
In July, Portsmouth experiences a UV Index of 9, placing it in the very high exposure category. This means that sun protection is crucial, as your skin could burn in as little as 15 minutes of direct sunlight. Interestingly, this peak in UV intensity follows June's all-time high of 10, while August maintains a similar level at 9. As summer unfolds, the trend shows a consistent need for vigilance against UV rays, particularly during these scorching months. Fortunately, as the season transitions into September, the UV Index drops to 7, providing a slight reprieve. Stay informed and protect yourself with sun safety measures during these peak months; for more detailed data, check out Portsmouth UV Index.
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July in Portsmouth shines brightly with an impressive 335 hours of sunshine, marking it as one of the sunniest months of the year. This peak in sunlight follows the continuous upward trend seen from the earlier months, where hours steadily increased from 150 in January to 330 in June. The warmth of July is complemented by August, which pushes the sunshine slightly further to 337 hours, suggesting that summer's vibrant energy persists. Interestingly, as the year transitions into autumn, there is a noticeable decline, with September seeing 285 hours of sunshine. This pattern reveals a cyclical nature of light that Portsmouth experiences, with long, sun-filled days in summer contrasted against the shorter, cloudier days of fall and winter.
When considering the likelihood of sunny weather in July in Portsmouth, United States, it's important to note the notable dip in sunshine compared to earlier months. With only a 32% chance of sunny days, July ranks among the lower months for sun, contrasting sharply with March, which boasts a robust 61% chance. Interestingly, the sunny outlook does not improve in August, maintaining the same likelihood as July. This trend suggests that while summer months typically bring warmth, they do not guarantee abundant sunshine in Portsmouth. As autumn approaches, sunshine prospects rebound, with September seeing a favorable 44% chance. So, if you're planning summer activities in July, be prepared for some cloud cover amidst the warmth!
In Portsmouth, July marks a remarkable transition in daylight as the city enjoys an average of 14 hours of sunshine. This peak follows a steady climb from the 9 hours in January, showcasing the gradual lengthening of days through the spring and early summer months. After reaching this summer high, daylight begins to wane in August and continues its descent into autumn, reflecting nature's rhythmic cycle. With 15 hours of daylight in June leading into July's abundance, these longer days invite vibrant outdoor activities and leisurely evenings, while the subsequent decrease serves as a gentle reminder of the approaching fall.
In July, Portsmouth experiences its lightest breezes of the year, with an average wind speed of just 3.5 m/s (8 mph). This marks a continuation of a gentle decline that began in early summer, where wind speeds progressively slowed from 4.4 m/s in April to this seasonal low. As the warmest month, July not only brings a drop in wind activity but also invites residents and visitors to embrace the calm and sun-drenched days. Interestingly, this pattern of diminishing winds persists into August, with speeds dipping to 3.3 m/s (7 mph), suggesting that summer's influence creates a tranquil maritime atmosphere characteristic of the season.
The weather in Portsmouth changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Portsmouth and find detailed weather information for every month.
July and January present strikingly different weather conditions in Portsmouth. In July, temperatures range from a cool 13°C (56°F) to a warm maximum of 31°C (88°F), with an average of 22°C (71°F). This month typically experiences 123 mm (4.8 in) of precipitation over about 12 days and has a humidity level of 67%, creating a warm and often humid atmosphere.
Conversely, January boasts much colder temperatures, with a minimum reaching -19°C (-2°F) and an average of -1°C (30°F), peaking at 17°C (64°F). Precipitation is lower, at 79 mm (3.1 in), spread across 8 days, but the humidity is significantly higher at 86%, contributing to a frigid and damp winter environment. For more insights, you can check out Portsmouth weather in January.
When comparing the weather in July and February, the differences are striking. July experiences a much warmer climate, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), and a comfortable average of 22°C (71°F). In contrast, February is characterized by colder temperatures, with an average of 0°C (32°F) and extremes that can drop to as low as -16°C (4°F).
Additionally, while July sees higher precipitation levels at 123 mm (4.8 in) over 12 days, February has slightly less at 98 mm (3.9 in) across 11 days. The humidity is also notable; July has a humidity level of 67%, whereas February is more humid at 84%. For a deeper understanding of the winter conditions, you can check out Portsmouth weather in February.
July and March present starkly contrasting weather conditions. In July, temperatures range from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), with an average of 22°C (71°F). The month sees a notable amount of precipitation, totaling 123 mm (4.8 in) over 12 days, and humidity levels hover around 67%. Conversely, March experiences much colder temperatures, with a minimum of -14°C (8°F) and a maximum of 17°C (63°F), averaging only 2°C (36°F). Precipitation is slightly less at 94 mm (3.7 in) over 10 days, but the humidity is higher at 82%. For a detailed look at the weather in March, you can visit Portsmouth weather in March.
When comparing the weather in July and April, several key differences emerge. July boasts a much warmer climate, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), while April experiences cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 24°C (76°F). Although July has relatively lower precipitation at 123 mm (4.8 in) over 12 days, April sees more rainfall at 143 mm (5.6 in) across 13 days. Humidity levels are also higher in April at 80%, compared to 67% in July, making April feel more humid despite its cooler temperatures. For more details, you can check out Portsmouth weather in April.
In comparing the weather between May and July, notable differences emerge in both temperature and precipitation levels. May experiences cooler temperatures, with a minimum of 2°C (37°F) and an average of 13°C (55°F), while July boasts a warmer range, with minimums of 13°C (56°F) and an average of 22°C (71°F). July also sees higher maximum temperatures, reaching up to 31°C (88°F) compared to May’s peak of 27°C (82°F). Additionally, July brings more rainfall, totaling 123 mm (4.8 in) over 12 days, whereas May receives only 83 mm (3.3 in) across 11 days. Despite this, May's slightly higher humidity of 72% contrasts with July's 67%. For more detailed insights, you can explore Portsmouth weather in May.
In June, temperatures in Portsmouth show a minimum of 8°C (47°F) and an average of 18°C (65°F), reaching a maximum of 30°C (86°F). The month experiences about 88 mm (3.5 in) of precipitation over 10 days, with humidity levels at 72%. In contrast, July brings warmer temperatures, with a minimum of 13°C (56°F), an average of 22°C (71°F), and a maximum of 31°C (88°F). Although July is slightly wetter, with 123 mm (4.8 in) of precipitation over 12 days, it has lower humidity at 67%. For a more detailed comparison of weather patterns, check out Portsmouth weather in June.
In comparing the weather of July and August, we find that both months exhibit similar temperature ranges, with minimums around 13°C (56°F), averages at 22°C (71°F), and maximums reaching up to 31°C (88°F). However, August tends to be drier, with only 71 mm (2.8 in) of precipitation over 9 days, compared to July's 123 mm (4.8 in) across 12 days. This slight decrease in humidity, hovering around 66% in August, also makes for a marginally more comfortable atmosphere as summer progresses. For more detailed information, you can check Portsmouth weather in August.
In July, the weather tends to be warmer, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 31°C (88°F) and an average temperature of 22°C (71°F). This month also experiences higher precipitation levels, with 123 mm (4.8 in) falling over about 12 days, coupled with a humidity level of 67%. In contrast, September sees cooler temperatures, with a minimum of 7°C (46°F) and an average of 18°C (65°F), reaching a maximum of 30°C (86°F). Precipitation decreases to 78 mm (3.1 in) over 8 days, and humidity increases slightly to 71%. For more details on the weather in September, you can check out Portsmouth weather in September.
In July, the weather is typically warmer, with temperatures ranging from a cool 13°C (56°F) to a hot 31°C (88°F) and an average of 22°C (71°F). This month also experiences substantial rainfall, with 123 mm (4.8 in) of precipitation over around 12 days and a humidity level of 67%. In contrast, October brings much cooler temperatures, with a range from a chilly 1°C (34°F) to a mild 25°C (78°F) and an average of 13°C (56°F). Although October has slightly more precipitation at 142 mm (5.6 in) spread over 11 days, the humidity is higher at 78%. For a closer look at Portsmouth's October weather, check out Portsmouth weather in October.
July and November present a stark contrast in weather conditions. July features a mild to warm range of temperatures, with minimums around 13°C (56°F) and maximums peaking at 31°C (88°F), accompanied by moderate humidity levels of 67%. Despite being one of the wetter months with 123 mm (4.8 in) of precipitation over approximately 12 days, the warmth usually makes it a popular time for outdoor activities.
In contrast, November brings a significant drop in temperatures, with minimums plummeting to -12°C (11°F) and averages around 6°C (43°F). The maximum temperature reaches a mild 20°C (69°F), but the overall chill is felt due to higher humidity levels of 84%. The precipitation level is slightly lower, at 108 mm (4.3 in) over about 11 days. For more insights into November weather, check out Portsmouth weather in November.
July and December weather in Portsmouth present a striking contrast in temperature and conditions. July experiences mild to warm temperatures, ranging from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), with an average of 22°C (71°F) and a humidity level of 67%. However, it also brings considerable rainfall, with 123 mm (4.8 in) recorded over approximately 12 days. In contrast, December is characterized by subzero temperatures, with lows plunging to -19°C (-1°F) and an average temperature of just 1°C (34°F). Despite being slightly wetter, with 133 mm (5.2 in) of precipitation over 10 days, December's humidity rises to 81%, giving it a distinctly chilly and damp feel. For more details, check out Portsmouth weather in December.
July in Portsmouth stands out as a vibrant summer month, characterized by notably warmer temperatures and a lively atmosphere. With its maximum temperatures soaring close to 31°C (88°F) and an average hovering around 22°C (71°F), it's the perfect time for outdoor activities and enjoying the area's beaches. However, June and August can also bring similar warmth, while July typically sees a slight uptick in humidity at 67%, contributing to a more sultry feel. The month also experiences a notable amount of precipitation, with 12 days offering a mix of sunny spells and refreshing showers. For those curious about how July's weather compares to the rest of the year, you can explore more at Portsmouth Climate.