Last updated: February 24, 2025
May in New Castle, United States, presents a delightful transition into warmer weather, with maximum temperatures reaching a pleasant 27°C (82°F). The average temperature settles comfortably at 13°C (55°F), while the minimum dips to a cool 2°C (37°F) during the night. Rainfall is a notable feature this month, with an average precipitation of 83 mm (3.3 in) over 11 days, contributing to the region's vibrant greenery. Coupled with a humidity level of 72%, the month creates a refreshing atmosphere ideal for outdoor activities and enjoying the unfolding beauty of spring.
In New Castle, United States, May marks a significant transition into warmer weather, with temperatures steadily climbing from the chill of winter. Minimum temperatures begin at a mild 2°C (37°F), reflecting a departure from the harsh lows seen in earlier months, while the average temperature reaches a comfortable 13°C (55°F). The maximum temperature can soar up to 27°C (82°F), providing the ideal backdrop for outdoor activities. This month clearly showcases a trend of rising temperatures compared to the preceding spring months, as May emerges with a vibrant warmth that sets the tone for the approaching summer. Overall, this delightful increase in temperatures makes May one of the most pleasant months to experience in New Castle.
In May, New Castle experiences a moderate precipitation level of 83 mm (3.3 in) over 11 rainy days, marking a slight decrease from the heavier showers of April, which recorded 143 mm (5.6 in) across 13 days. This trend reflects the transitional nature of spring, where the region begins to dry out while still enjoying the revitalizing effects of rainfall. As May leads into the summer months, rainfall becomes more scattered but remains critical for nurturing the vibrant landscapes. Overall, the data suggests a pattern of alternating wet and dry periods, with May serving as a bridge that balances the abundant April rains and the increasingly drier June.
As May arrives in New Castle, humidity begins to show a noticeable decline, dropping to 72%, a level that mirrors the incoming June weather. This decrease is part of a broader trend observed as the seasons transition; January and February see peak humidity levels at 86% and 84%, respectively, gradually tapering off through the spring. By the time summer rolls in, July and August maintain an even lower humidity of 67% and 66%, creating a comfortable atmosphere. As autumn approaches, humidity climbs back, reflecting nature's cyclical rhythm, with levels rising to 78% in October and peaking again by November. This ebb and flow of moisture illustrates not only the shifts of the seasons but also the climatic character of this charming region.
As spring blossoms into summer, May brings a notable shift in the UV Index for New Castle, United States, soaring to 9, which falls into the very high exposure category. This dramatic increase from the previous months indicates a significant reduction in burn time, now just 15 minutes. Compared to January's low index of 2, it's essential for residents and visitors alike to adjust their sun safety practices accordingly. The trend reveals a gradual uptick in UV exposure as the months progress, culminating in the sunny days of June and July, which also see a UV Index of 10. Awareness of these changes is crucial for protecting skin from harmful UV rays. For more insights on UV levels and safety, visit New Castle UV Index.
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As May arrives in New Castle, the city basks in an impressive 295 hours of sunshine, marking a noticeable peak as spring transitions into summer. This month serves as a precursor to the sunniest stretch of the year, with June and July offering even more radiant days at 330 hours and 335 hours respectively. The sunlight trend is clearly upward during this delightful period, transitioning from the brisk 150 hours in January to an invigorating spring glow that invites outdoor activities and community gatherings. Conversely, as the year progresses, a gradual decline in sunshine begins with September recording 285 hours and continuing into fall, reaching 193 hours in November. Thus, May stands out not only as a vibrant month but as a crucial bridge to the sun-soaked days that follow.
In New Castle, United States, the likelihood of sunny weather in May presents a moderate chance at 38%, slightly below the spring months of March and April, which boast sunnier prospects at 61% and 40%, respectively. This pattern suggests that while May retains a fair number of sunny days, it may also be influenced by the transition into summer months, where June and July see a minor dip in sunshine probability, dropping to 40% and 32%. As the year progresses, a notable increase in sunny days emerges in the fall, particularly in November, which experiences a peak at 54%. Overall, while May does not shine as brightly as some of its neighboring months, it still offers a respectable chance for enjoyable sunny weather.
As spring transitions into summer, New Castle, United States, experiences a remarkable increase in daylight duration. Beginning with just 9 hours in January, the days gradually lengthen through the months, culminating in a vibrant 14 hours of daylight by May. This upward trend continues into June, where residents enjoy the longest days of the year at 15 hours. However, the daylight starts to wane as summer gives way to fall, with hours gradually decreasing to 12 in September and further to 10 by October. By November and December, daylight dwindles back to just 9 hours, completing a cyclical journey through the seasons. This rhythm of light not only marks the changing seasons but also beckons outdoor activities and a celebration of warmth during the peak summer months.
In May, New Castle experiences a gentle breeze with an average wind speed of 4.2 m/s (9 mph). This slight decrease in wind intensity follows a somewhat variable spring, where March showcased a peak of 5.2 m/s (12 mph). The transition into May reflects a broader trend of diminishing winds as the year progresses, with the summer months of June and July further falling to 4.1 m/s (9 mph) and 3.5 m/s (8 mph) respectively. Notably, the overall pattern hints at a calming atmosphere in late spring, inviting residents and visitors alike to enjoy the onset of warmer weather without the interference of erratic winds.
The weather in New Castle changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in New Castle and find detailed weather information for every month.
May and January present remarkably contrasting weather patterns. In May, temperatures range from a mild 2°C (37°F) to a pleasant 27°C (82°F), with an average of 13°C (55°F), making it a more comfortable month for outdoor activities. The precipitation is relatively moderate at 83 mm (3.3 in) over 11 days, and humidity levels sit at 72%. In stark contrast, January experiences much colder temperatures, with a minimum of -19°C (-2°F) and a maximum of only 17°C (64°F), averaging -1°C (30°F). Although January also sees a comparable amount of precipitation at 79 mm (3.1 in) spread over just 8 days, the higher humidity at 86% contributes to a much harsher, more biting cold. For further details on January weather, check New Castle weather in January.
The weather in May is significantly warmer than in February, with average temperatures rising from a cold 0°C (32°F) in February to a more pleasant 13°C (55°F) in May. February features chilly lows around -16°C (4°F), while May's temperatures rarely drop below 2°C (37°F). Precipitation is fairly consistent in both months, with February receiving slightly more at 98 mm (3.9 in) compared to May’s 83 mm (3.3 in), although both months see precipitation on about 11 days. The humidity remains high, with February at 84% and May at 72%, making February feel much colder due to the significant drop in temperatures. For an in-depth look at February weather, you can check New Castle weather in February.
In comparing the weather of May and March, it's clear that May offers a much milder climate. The average temperature in May hovers around 13°C (55°F), with highs reaching up to 27°C (82°F), while March experiences a cooler average of 2°C (36°F) and can dip to as low as -14°C (8°F). Additionally, May has 83 mm (3.3 in) of precipitation over 11 days, slightly less than March's 94 mm (3.7 in) over 10 days. Humidity levels are also a bit lower in May at 72%, compared to March's 82%. For a more detailed look at March weather, you can check out New Castle weather in March.
In comparing the weather between April and May, we see a transition towards warmer temperatures. April experiences a minimum of -2°C (29°F) and an average of 8°C (46°F), while May offers a milder minimum of 2°C (37°F) and an average of 13°C (55°F). Although May can reach higher maximums of 27°C (82°F), April's peak of 24°C (76°F) is only slightly lower. Precipitation is notably higher in April at 143 mm (5.6 in) over 13 days compared to May's 83 mm (3.3 in) over 11 days, indicating that April is typically wetter and more humid (80%) than May (72%). For a more in-depth look at April weather, check out New Castle weather in April.
In comparing the weather between May and June, it is evident that June experiences a warmer climate overall. The minimum temperature in June is 8°C (47°F), compared to May's cooler 2°C (37°F), while the average temperature rises to 18°C (65°F) from May's 13°C (55°F). Both months have similar humidity levels at 72%, but June reaches a maximum temperature of 30°C (86°F), slightly higher than May's peak of 27°C (82°F). Precipitation is relatively close, with June receiving 88 mm (3.5 in) over 10 days, just a bit more than May's 83 mm (3.3 in) across 11 days. For more specific details about June weather, you can check New Castle weather in June.
May and July present quite distinct weather patterns. In May, temperatures range from a chilly minimum of 2°C (37°F) to a warm maximum of 27°C (82°F), with an average of 13°C (55°F). The month also sees notable rainfall, totaling 83 mm (3.3 in) over 11 days and a humidity level of 72%. In contrast, July enjoys consistently warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 31°C (88°F), averaging around 22°C (71°F). While July is slightly wetter, with 123 mm (4.8 in) of precipitation over 12 days, it boasts a lower humidity level of 67%. For a more detailed look at July's weather, you can visit New Castle weather in July.
May and August present quite different weather experiences. In May, temperatures range from a chilly 2°C (37°F) at night to a warm 27°C (82°F) during the day, with an average of 13°C (55°F). This month also sees higher precipitation, totaling 83 mm (3.3 in) over 11 days, accompanied by a humidity level of 72%. In contrast, August boasts milder nights with a minimum of 13°C (55°F) and daytime highs reaching 31°C (88°F), averaging around 22°C (71°F). Precipitation is slightly less in August at 71 mm (2.8 in) over 9 days, and humidity drops to 66%. For more details on August weather, check out New Castle weather in August.
May and September present distinct weather profiles, reflecting the transition from spring to autumn. In May, temperatures range from a chilly 2°C (37°F) at night to a warm 27°C (82°F) during the day, with an average of 13°C (55°F). This month experiences about 83 mm (3.3 in) of precipitation over 11 days, contributing to a relatively humid environment at 72%. Conversely, September enjoys a milder climate with minimum temperatures of 7°C (46°F) and daytime highs reaching 30°C (86°F), averaging at a comfortable 18°C (65°F). It sees slightly less precipitation at 78 mm (3.1 in) over just 8 days, while maintaining a similar humidity level of 71%. For a closer look at weather specifics, check out New Castle weather in September.
May and October both feature similar average temperatures, hovering around 13°C (55°F), but they present distinct weather patterns. In May, temperatures can reach a maximum of 27°C (82°F), offering warmer days that can contrast with cooler nights, where the minimum can drop to 2°C (37°F). The month experiences quite a bit of rain, with 83 mm (3.3 in) across 11 days. Conversely, October tends to be slightly cooler, with a maximum of 25°C (78°F) and a minimum of 1°C (34°F). However, it sees increased precipitation, averaging 142 mm (5.6 in) over the same number of wet days. Additionally, October's humidity is marginally higher at 78%, compared to May's 72%. For more detailed insights on October weather, you can check out New Castle weather in October.
May offers a mild transition into warmer weather, with temperatures ranging from a minimum of 2°C (37°F) to a comfortable average of 13°C (55°F) and peaking at a pleasant 27°C (82°F). Precipitation is moderate at 83 mm (3.3 in) over 11 days, accompanied by a humidity level of 72% that enhances the feeling of freshness.
In contrast, November marks the onset of winter, featuring much colder temperatures that drop to a minimum of -12°C (11°F) and an average of just 6°C (43°F), with highs reaching 20°C (69°F). Despite experiencing slightly more precipitation at 108 mm (4.3 in) also spread over 11 days, the humidity increases to 84%, contributing to a chillier atmosphere. For more details on what to expect, check out New Castle weather in November.
May and December present stark contrasts in weather conditions. In May, temperatures range from a mild 2°C (37°F) at night to a warm 27°C (82°F) during the day, with an average temperature of 13°C (55°F). The month experiences 83 mm (3.3 in) of rainfall spread over about 11 days, accompanied by a relative humidity of 72%. In contrast, December sees a significant drop in temperatures, with a chilling minimum of -19°C (-1°F) and an average of only 1°C (34°F), peaking at a maximum of 15°C (59°F). The precipitation increases to 133 mm (5.2 in) over 10 days, and the humidity rises slightly to 81%. For those curious about the specific weather patterns of December, you can find more details here: New Castle weather in December.
May in New Castle offers a refreshing departure from the chill of earlier months, showcasing a delightful blend of warmer temperatures and heightened humidity. As spring unfolds, residents can enjoy more sunny days, though they should be prepared for occasional showers that accompany the season's transition. With an average temperature of 13°C and maximums reaching up to 27°C, May embodies the essence of spring, enticing nature lovers and outdoor enthusiasts alike. For a deeper understanding of how these weather patterns shape the local climate, explore New Castle Climate.