Last updated: March 17, 2025
March in Portsmouth, United Kingdom is characterized by a striking blend of cool temperatures and frequent rain. The maximum temperature reaches around 14°C (58°F), while the average hovers at 8°C (47°F), dipping to a minimum of -3°C (28°F) during the colder nights. This month sees approximately 70 mm (2.7 in) of precipitation spread over 13 days, contributing to a notably humid environment with an average humidity level of 86%. As spring begins to unfurl, residents can expect a mix of cloudy days and occasional sunshine, making March a time of transition in this coastal city.
In March, Portsmouth begins to shake off the chill of winter, with temperatures gradually rising from a minimum of -3°C (28°F) to a comfortable maximum of 14°C (58°F). The average temperature hovers around 8°C (47°F), marking a slight increase compared to the previous months. This transition signifies the onset of spring, as the city starts to warm up, inviting residents and visitors alike to enjoy the budding greenery and longer daylight hours. With these milder conditions, March offers a refreshing escape, setting the stage for the warmer months to come.
In March, Portsmouth experiences a transition from the wetter winter months to a more balanced spring, with precipitation totaling 70 mm (2.7 in) over 13 days. This amount reflects a slight decrease from February's 75 mm, suggesting a gradual easing of rainfall as the city edges closer to summertime. It's also noteworthy that, despite the wetter conditions earlier in the year, March sees a lower number of rainy days compared to the months surrounding it, hinting at more concentrated bursts of rain. As Portsmouth prepares for April's drier streak with just 32 mm expected, March serves as a pivotal point, balancing the lingering chill with the promise of brighter days ahead.
In March, the humidity in Portsmouth starts to show a slight decline, settling at 86% as winter gives way to spring. This gradual decrease follows the consistently high humidity levels of January and February, which recorded 91% and 89%, respectively. As the month progresses, the air begins to feel less saturated, paving the way for drier days ahead. Interestingly, this trend continues into April, when humidity dips even further to 85%, signaling the arrival of a more temperate season. Overall, the transition from winter to spring brings a refreshing change in moisture levels, creating a pleasant atmosphere that residents and visitors alike can appreciate.
As March arrives in Portsmouth, the UV Index rises to 4, indicating a moderate exposure level. This marks a noticeable shift from the low UV readings of the preceding months, signaling that it's time to be more mindful of sun protection, with a burn time of just 30 minutes for fair-skinned individuals. The trend of increasing UV levels continues, setting the stage for an upcoming spring where protection becomes increasingly vital, especially as April approaches with a UV Index of 5. Embrace the sunny days ahead while staying sun-safe! For more detailed information, visit Portsmouth UV Index.
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March in Portsmouth marks a significant transition as the city emerges from the darker winter months into a brighter, sunnier season. With an impressive 222 hours of sunshine, March showcases a notable increase from January's bleak 105 hours and February's 146 hours. This surge sets the stage for spring, hinting at a delightful trajectory that leads to even more radiant months ahead. After March, the sunshine hours continue to climb, peaking in the summer months with an astounding 423 hours in July. This upward trend not only brightens the days but also lifts spirits, inviting residents and visitors alike to bask in the splendid British weather as the year unfolds.
As spring approaches, the likelihood of sunny weather in Portsmouth begins to significantly improve, with March boasting a 38% chance of sunshine. This marks a notable increase from the gloomier winter months of January and February, which see chances of sun at 21% and 26%, respectively. Moreover, March serves as a bridge to even sunnier days ahead, as April jumps to 58%, hinting at the vibrant blooms and warmer temperatures soon to follow. This increasing trend in sunlight not only brightens the atmosphere but also lifts spirits, making it an ideal time for outdoor activities and enjoying nature as winter fades away.
As March arrives in Portsmouth, the transition from winter's gloom to spring's brightness becomes vividly apparent, with daylight extending to a refreshing 11 hours. This pattern marks a noticeable increase from February’s 10 hours, signaling the gradual lengthening of days that continues into April, when daylight stretches to 13 hours. The steady ascent in daylight hours reflects the awakening of nature, inviting residents to embrace the outdoors and enjoy longer evenings. This upward trend not only enhances leisure opportunities but also symbolizes the arrival of warmer weather, fostering a sense of renewal as the season progresses towards the sun-drenched days of summer.
March in Portsmouth brings a gentle breeze, with an average wind speed of 5.8 m/s (13 mph), a noticeable dip from the slightly stronger winds of the previous months. This transition signals the approach of spring, as the wind begins to soften compared to the winter months of January and February, where speeds reached 6.4 m/s (14 mph) and 6.9 m/s (16 mph), respectively. After March, the winds continue to decrease, with April’s average dropping to 4.8 m/s (11 mph). This trend highlights a gradual calming of the sea air as the city shakes off winter's chill, creating a more serene atmosphere just as the first signs of blossoms appear. The consistency in wind speed throughout the year, oscillating between playful breezes and brisk gusts, embodies the character of Portsmouth's climate, inviting locals and visitors alike to enjoy the evolving coastal landscape.
The weather in Portsmouth changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March'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.
In comparing the weather in March and January, we observe notable differences in temperature and humidity. March experiences cooler temperatures with a minimum of -3°C (28°F) and an average of 8°C (47°F), while January starts with a minimum of 0°C (32°F) and has a slightly lower average of 7°C (44°F). Despite January's temperatures being generally milder, both months have similar maximum temperatures, with March peaking at 14°C (58°F) compared to January's maximum of 13°C (56°F). Precipitation levels are similar, with March receiving 70 mm over 13 days and January slightly less at 68 mm over 11 days. Additionally, humidity is higher in January at 91%, compared to March's 86%. For more detailed information about January weather in Portsmouth, you can visit Portsmouth weather in January.
In comparing the weather between February and March, we see a slight increase in average temperatures, with March averaging 8°C (47°F) compared to February’s 7°C (45°F). Both months share the same minimum temperature of -3°C (28°F), but March boasts a marginally higher maximum temperature of 14°C (58°F) versus February's 13°C (55°F). Precipitation levels are relatively similar, with March receiving 70 mm (2.7 in) over 13 days, while February sees 75 mm (3.0 in) over 12 days. Humidity remains high in both months, slightly decreasing from February's 89% to March's 86%. For more detailed information, you can check out Portsmouth weather in February.
March and April display a noticeable transition in weather patterns. In March, temperatures fluctuate from a chilly minimum of -3°C (28°F) to a mild maximum of 14°C (58°F), with an average temperature around 8°C (47°F). The month is quite damp, receiving 70 mm (2.7 in) of precipitation over 13 days, accompanied by high humidity levels at 86%. In contrast, April brings a slight warming trend, with minimum temperatures rising to 1°C (34°F) and maximum temperatures reaching 19°C (66°F), averaging around 10°C (50°F). Additionally, April is notably drier, with only 32 mm (1.3 in) of rain over just 7 days, while humidity remains similar at 85%. For more details on April's weather, you can check Portsmouth weather in April.
In March, temperatures are quite cool, with a minimum of -3°C (28°F) and an average of 8°C (47°F), peaking at 14°C (58°F). The month typically sees around 70 mm (2.7 in) of precipitation over 13 days, and the humidity is relatively high at 86%. In contrast, May brings warmer weather, with minimum temperatures rising to 5°C (41°F) and an average temperature of 13°C (55°F), reaching a maximum of 22°C (71°F). Precipitation decreases to 56 mm (2.2 in) over 11 days, and humidity drops to a more comfortable 79%. For a deeper insight into May weather, you can explore Portsmouth weather in May.
March and June present contrasting weather patterns that highlight the transition from early spring to the peak of summer. In March, temperatures range from a chilly -3°C (28°F) to a mild 14°C (58°F), with an average temperature of around 8°C (47°F). The month experiences significant precipitation, totaling 70 mm (2.7 in) over 13 days, coupled with high humidity levels at 86%. In contrast, June boasts warmer conditions, with minimum temperatures at 9°C (49°F) and maximums reaching 25°C (76°F), resulting in a pleasant average of 16°C (61°F). Rainfall is slightly higher in June at 73 mm (2.9 in), but it's spread over fewer days, just 9, along with a decrease in humidity to 80%. For more details, check out Portsmouth weather in June.
In comparing the weather between March and July, March presents a much cooler climate, with temperatures ranging from a chilly -3°C (28°F) at night to a mild 14°C (58°F) during the day, averaging around 8°C (47°F). This month also experiences higher humidity levels at 86% and sees about 70 mm (2.7 in) of precipitation over 13 days. Conversely, July offers a warm and pleasant atmosphere, with temperatures ranging from a minimum of 12°C (53°F) to a comfortable maximum of 25°C (78°F), averaging 18°C (65°F). Rainfall is less frequent, accumulating around 58 mm (2.3 in) over 11 days, and humidity decreases to 71%. For more detailed insights on July weather, you can visit Portsmouth weather in July.
March and August present quite a contrast in weather. In March, temperatures can dip as low as -3°C (28°F), with an average of 8°C (47°F) and a maximum of 14°C (58°F). The month is characterized by higher humidity at 86% and a fair amount of precipitation, totaling 70 mm (2.7 in) over about 13 days. In stark contrast, August sees much milder temperatures, with a minimum of 11°C (52°F), an average of 18°C (64°F), and a comfortable maximum of 26°C (80°F). Although August receives slightly more precipitation at 78 mm (3.1 in) over 12 days, the humidity drops to 76%, making the weather feel significantly drier and more pleasant. For more detailed information about the weather during this month, you can visit Portsmouth weather in August.
March and September present quite different weather patterns, showcasing the transitional phases of spring and early autumn. In March, temperatures range from a chilly minimum of -3°C (28°F) to a maximum of 14°C (58°F), with an average of 8°C (47°F). This month also experiences higher levels of precipitation, averaging 70 mm (2.7 in) over approximately 13 days, along with increased humidity at 86%. Conversely, September offers more moderate temperatures, with a minimum of 8°C (47°F), an average of 16°C (61°F), and a maximum of 24°C (76°F). Precipitation decreases to around 57 mm (2.2 in) over 10 days, and humidity is slightly lower at 82%. For a closer look at how September weather unfolds in Portsmouth, you can visit Portsmouth weather in September.
In March, temperatures range from a chilly -3°C (28°F) at night to a mild 14°C (58°F) during the day, with an average temperature of 8°C (47°F). The month experiences about 70 mm (2.7 in) of precipitation over 13 days, accompanied by high humidity levels at 86%. In contrast, October brings a more moderate climate with temperatures ranging from 4°C (40°F) to a pleasant 20°C (68°F), and an average of 13°C (56°F). However, it is wetter, with approximately 117 mm (4.6 in) of rainfall spread over 16 days and slightly higher humidity at 90%. For more insights into the October weather, you can check Portsmouth weather in October.
March and November present distinct weather patterns as the seasons transition. In March, temperatures range from a chilly minimum of -3°C (28°F) to a comfortable maximum of 14°C (58°F), with an average of 8°C (47°F). The month experiences around 70 mm (2.7 in) of precipitation over approximately 13 days, coupled with high humidity levels of 86%. Conversely, November's temperatures are milder, with a minimum of 1°C (33°F) and a maximum of 16°C (61°F), averaging 10°C (50°F). This month sees slightly higher precipitation at 87 mm (3.4 in) over about 15 days, and humidity peaks at 92%. For more specific details about November weather, you can check this link: Portsmouth weather in November.
In comparing the weather of March and December, both months experience a similar average temperature of around 8°C (47°F), with maximum daily highs reaching 14°C (57°F) in December and 14°C (58°F) in March. However, March typically dips slightly lower with minimum temperatures averaging -3°C (28°F), while December's minimum is a more mild 0°C (33°F). Precipitation levels are notably higher in December, totaling 118 mm (4.7 in) over 16 days, compared to March's 70 mm (2.7 in) over 13 days, contributing to higher humidity levels of 92% in December versus 86% in March. This suggests that December tends to be wetter and more humid, making it feel somewhat chillier compared to March. For more specifics, you can check out Portsmouth weather in December.
As March rolls in, Portsmouth experiences a notable transition in weather, offering a blend of cool temperatures and increased precipitation that stand apart from the milder winter months. With an average temperature hovering around 8°C, this month marks the beginning of a gradual warming trend, although occasional cold snaps can still dip to -3°C. The city sees around 70 mm of rainfall over approximately 13 days, contributing to March's reputation for being quite damp, characterized by a high humidity level of 86%. This shift heralds the approach of spring, making it a unique month that bridges the cold of winter with the promise of warmer days ahead. For a more detailed overview of the climate in this vibrant city, visit Portsmouth Climate.