Last updated: February 24, 2025
April in Portsmouth, United States, is characterized by a breezy transition from winter to spring. With a maximum temperature reaching 24°C (76°F) and an average of 8°C (46°F), residents experience a refreshing change. However, the month also sees occasional chills, with temperatures dipping to a minimum of -2°C (29°F). Rain is a frequent visitor, with 143 mm (5.6 in) of precipitation spread over 13 days, contributing to the region's lush landscapes. Coupled with a high humidity level of 80%, April is a time of blossoming beauty, albeit with a few wet and cool days to navigate.
In April, Portsmouth begins to shed the chill of winter, with temperatures rising steadily as spring unfolds. The month starts with a minimum of -2°C (29°F), warming to an average of 8°C (46°F), and reaching a pleasant maximum of 24°C (76°F). This marks a significant contrast to the frigid temperatures of January and February, as the city's climate transitions from frosty nights to crisp, sunny days. The steady increase in warmth not only invites outdoor activities but also signals nature's revival, making April a delightful time to experience the blooming beauty of Portsmouth. As the month progresses, residents and visitors alike can relish in the refreshing shift toward milder weather, setting the stage for even warmer months ahead.
In April, Portsmouth experiences a notable uptick in precipitation, with an impressive 143 mm (5.6 in) of rainfall over 13 days. This marks a significant increase compared to the previous months, reflecting the transition into the wetter spring season. The rainy days during April contribute to an invigorating atmosphere as nature bursts into bloom, making it one of the wettest months of the year. This trend of elevated precipitation continues into October, suggesting a seasonal pattern where early spring showers pave the way for the lush, green landscapes that characterize the region. April serves as a reminder of nature's rhythm, where increased rainfall is essential for revitalizing the environment after the colder winter months.
As April arrives in Portsmouth, the humidity begins to ease, settling at 80%, a noticeable drop from the preceding months. This shift marks a continuation of the gradual decline in moisture levels observed since January's peak of 86%. Following April, May and June promise even drier conditions, with humidity levels falling to 72%. This trend highlights a transition into the warmer months, where the air becomes more comfortable. However, the humidity doesn't make a full retreat; as autumn approaches, levels will rise again, peaking at 84% in November. Thus, April serves as a pivotal month, balancing the lingering moisture of winter while hinting at the drier days ahead.
As spring unfolds in Portsmouth, April marks a noticeable shift in the UV Index with a significant jump to 7, indicating high exposure levels. This uptick from March's moderate 5 means that outdoor enthusiasts should be more mindful of sun safety, as the recommended burn time decreases to just 25 minutes. This trend will continue into May, where the UV Index escalates to an even more intense 9, emphasizing the importance of protective measures. With each passing month from January's low levels, the increase in UV exposure highlights the need for sunscreen and protective clothing as we move deeper into spring and approach the summer months. For the latest UV updates and safety tips, visit Portsmouth UV Index.
UV Risk Categories
As April unfolds in Portsmouth, the city basks in 245 hours of sunshine, a delightful continuation of the sunnier patterns established in March. Following the cold winter months, which saw a mere 150 hours in January, daylight hours have steadily increased, setting a bright tone for spring. April's sunshine signals a transition toward the lushness of May, which boasts 295 hours of radiant light, foreshadowing the breathtaking summer vistas to come. Interestingly, while April shines with abundant light, it marks a slight dip from March's peak, yet it still contributes to the growing trend of longer, sunnier days as the year progresses. This sunshine surge not only invigorates the local landscape but also hints at the advent of outdoor activities and community gatherings, embodying the spirit of spring in this charming coastal town.
In April, Portsmouth experiences a 40% chance of sunny weather, a slight dip from the previous month’s 61% in March. This month's probability, while lower than the previous spring month, aligns closely with the trends observed from January through June, where percentages hover around the 30s and 40s. Interestingly, April’s sunshine likelihood is greater than January and February, but it lag behind the sunnier months of November and March. As the city transitions into the heart of spring, residents can look forward to an increase in sunny days, despite April’s weather being relatively unpredictable. Overall, while sunshine is not guaranteed, the likelihood remains promising as Portsmouth shakes off the winter chill.
As spring blossoms in Portsmouth, the month of April heralds a noticeable shift in daylight duration, with the sun gracing the skies for 13 hours each day. This increase of two hours from March signals the gradual ascent towards longer days, as the community embraces the warmth and vitality of the season. Following April, daylight continues to extend into May, reaching a peak of 14 hours, before slowly tapering off into the summer months. This upward trend from the winter months, with daylight duration starting at just 9 hours in January, highlights the vibrant transition towards the sunnier days of summer. The rhythm of daylight reflects the changing seasons, inviting Portsmouth residents to savor the longer, brighter evenings that April brings.
In April, the winds in Portsmouth, United States, average a gentle 4.4 m/s (10 mph), slightly tapering off from the brisker gusts of March. This month signals the onset of warmer weather, as the wind starts to lose some of its vigor, a trend that continues into May and June. Interestingly, the early spring breeze provides a refreshing contrast to the summer months ahead, where the average wind speed drops noticeably, hitting lows of 3.3 m/s (7 mph) by August. As the year unfolds, the winds gradually pick up again in the fall, suggesting a dynamic seasonal pattern that echoes the rhythms of the coastal climate. This evolution not only shapes the landscape but also enriches the local ambiance, allowing residents and visitors alike to embrace the unique character of each month.
The weather in Portsmouth changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April'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.
April and January exhibit striking contrasts in weather, reflecting the transition from winter to spring. In April, temperatures range from a minimum of -2°C (29°F) to a pleasant maximum of 24°C (76°F), with an average of 8°C (46°F). This month experiences significantly more precipitation, totaling 143 mm (5.6 in) over approximately 13 days, contributing to a humidity level of 80%. In stark comparison, January sees much colder temperatures, with a minimum of -19°C (-2°F) and an average of -1°C (30°F). The maximum temperature in January reaches only 17°C (64°F), and it has less precipitation at 79 mm (3.1 in) over about 8 days, coupled with a slightly higher humidity of 86%. For more details on January weather specifics, you can visit Portsmouth weather in January.
When comparing the weather in April and February, it’s clear that April experiences milder temperatures with a minimum of -2°C (29°F) and an average of 8°C (46°F), peaking at 24°C (76°F). In contrast, February is significantly colder, with temperatures ranging from a minimum of -16°C (4°F) to a maximum of 17°C (64°F), and an average of 0°C (32°F). Additionally, April sees more precipitation, totaling 143 mm (5.6 in) over 13 days, compared to February's 98 mm (3.9 in) across 11 days. Notably, humidity levels are slightly lower in April at 80%, while February has a higher humidity of 84%. For more detailed information about February’s climate, you can check Portsmouth weather in February.
The weather in April shows a notable improvement compared to March, with average temperatures rising from 2°C (36°F) in March to 8°C (46°F) in April. While March recorded a much colder minimum temperature of -14°C (8°F), April's minimum is a milder -2°C (29°F). Additionally, April experiences higher maximum temperatures, reaching as high as 24°C (76°F) compared to March's peak of 17°C (63°F). Precipitation also increases in April with 143 mm (5.6 in) over 13 days, compared to 94 mm (3.7 in) over 10 days in March. Humidity levels slightly drop from 82% in March to 80% in April. For more detailed information on March weather, visit Portsmouth weather in March.
April and May exhibit distinct differences in weather patterns. April, with temperatures ranging from a chilly -2°C (29°F) to a maximum of 24°C (76°F), features an average temperature of 8°C (46°F). This month is characterized by considerable precipitation, totaling 143 mm (5.6 in) over 13 rainy days, coupled with a high humidity level of 80%. In contrast, May sees a noticeable warming trend, with minimum temperatures of 2°C (37°F) and maximums reaching 27°C (82°F), averaging 13°C (55°F). The month is generally drier, with only 83 mm (3.3 in) of rain occurring over 11 days, and humidity drops to a more comfortable 72%. For more detailed insights, check Portsmouth weather in May.
April and June offer distinctly different weather experiences. In April, temperatures range from a low of -2°C (29°F) to a high of 24°C (76°F), with an average of 8°C (46°F). The month sees considerable rainfall, totaling 143 mm (5.6 in) over 13 days, and a relatively high humidity level of 80%. In contrast, June brings warmer temperatures, with minimums of 8°C (47°F), averages around 18°C (65°F), and maximums reaching 30°C (86°F). Precipitation decreases to 88 mm (3.5 in) over only 10 days and humidity drops to 72%. Overall, June offers a more stable and warmer climate compared to the transitional and often wet weather of April. For more details, you can check out Portsmouth weather in June.
April and July present contrasting weather patterns. In April, temperatures can drop as low as -2°C (29°F) and reach a mild average of around 8°C (46°F), with a maximum of 24°C (76°F). This month also sees higher precipitation at 143 mm (5.6 in) over 13 days, coupled with a humidity level of 80%. In stark contrast, July enjoys much warmer temperatures, with a minimum of 13°C (56°F), an average of 22°C (71°F), and a high of 31°C (88°F). Precipitation decreases slightly to 123 mm (4.8 in) over 12 days, with humidity levels noticeably lower at 67%. For more details on July's weather, you can check Portsmouth weather in July.
April and August present contrasting weather patterns, reflecting the transition from early spring to late summer. In April, temperatures can plunge to a chilly -2°C (29°F) at night, while daytime averages around 8°C (46°F), peaking at 24°C (76°F). The month is marked by significant precipitation, totaling 143 mm (5.6 in) over 13 days, coupled with an 80% humidity rate, contributing to a damp and cool atmosphere. In stark contrast, August offers a much warmer climate, with minimum temperatures around 13°C (55°F) and an average of 22°C (71°F), soaring to a maximum of 31°C (88°F). Precipitation is considerably less at 71 mm (2.8 in) over 9 days, and humidity drops to 66%, creating a more comfortable and drier environment. For a closer look at August weather, visit Portsmouth weather in August.
April and September present quite distinct weather patterns. In April, temperatures can vary significantly, with lows dipping to -2°C (29°F) and highs reaching up to 24°C (76°F), averaging around 8°C (46°F). This month is also characterized by increased precipitation, averaging 143 mm (5.6 in) over 13 days, while humidity hovers around 80%. In contrast, September showcases warmer conditions, starting at a minimum of 7°C (46°F) and peaking at 30°C (86°F), with an average temperature of 18°C (65°F). Precipitation is notably lower at 78 mm (3.1 in) across just 8 days, and humidity decreases to 71%. For a more detailed look at September weather, you can explore Portsmouth weather in September.
April and October weather presents interesting contrasts despite their similarities in precipitation levels. In April, temperatures can drop to a chilly -2°C (29°F), while reaching a pleasant maximum of 24°C (76°F), with an average temperature around 8°C (46°F) and higher humidity at 80%. Conversely, October experiences milder conditions with minimum temperatures of 1°C (34°F) and a slightly warmer average of 13°C (56°F), peaking at 25°C (78°F). Precipitation is comparable in both months, with April receiving 143 mm over 13 days, just marginally heavier than October’s 142 mm over 11 days. For a detailed look into October weather, check out Portsmouth weather in October.
April and November present distinct weather patterns that highlight the transition between seasons. In April, temperatures range dramatically, with a minimum of -2°C (29°F) and a maximum of 24°C (76°F), averaging at a milder 8°C (46°F). This month sees a significant amount of precipitation at 143 mm (5.6 in) over 13 days, coupled with an 80% humidity level. In contrast, November experiences colder conditions, with minimum temperatures dropping to -12°C (11°F) and a maximum of 20°C (69°F), averaging around 6°C (43°F). The precipitation decreases slightly to 108 mm (4.3 in) over 11 days, and humidity rises to 84%. For a closer look at what to expect, check out Portsmouth weather in November.
April and December present contrasting weather experiences. In April, temperatures range from a chilly -2°C (29°F) to a warm 24°C (76°F), averaging around 8°C (46°F). The month sees significant rainfall, with 143 mm (5.6 in) of precipitation over 13 days, and humidity is relatively high at 80%. In contrast, December is much colder, with temperatures dipping as low as -19°C (-1°F) and averaging 1°C (34°F), peaking at 15°C (59°F). Despite slightly less precipitation at 133 mm (5.2 in) over 10 days, humidity remains similar at 81%. For more detailed insights, check Portsmouth weather in December.
In April, Portsmouth experiences a refreshing shift from the chill of winter, with temperatures gradually rising and a notable increase in humidity, creating a milder atmosphere. This month stands out with its mix of sunny, unseasonably warm days and occasional rain, making it quite distinct from the harsher conditions of earlier months. Although April sees an average of 13 days of precipitation, it paves the way for blooming flowers and vibrant spring colors. As you enjoy the transition to warmer weather, you can learn more about the seasonal patterns by visiting Portsmouth Climate.