Last updated: February 24, 2025
In Princeton, United States, April brings a mix of mild temperatures and occasional rainfall, shaping a diverse spring experience. The month witnesses a maximum temperature reaching 31°C (88°F), while average temperatures settle around 12°C (54°F). However, residents should prepare for cooler moments, with minimums dipping to -2°C (29°F). Precipitation is notable, with 106 mm (4.2 in) falling over 12 days, contributing to a humidity level of 78%. This combination of warmth and moisture enhances the blooming landscape, making April a vibrant yet unpredictable month in Princeton.
In April, Princeton experiences a significant shift towards milder weather, with temperatures showcasing a notable rise from the preceding months. The average temperature settles at a comfortable 12°C (54°F), offering a refreshing contrast to the chill of winter. Minimum temperatures hover around -2°C (29°F), while the maximum can reach up to 31°C (88°F), hinting at the warm days ahead. This month marks a clear transition as the landscape begins to bloom, inviting residents to shake off their winter layers and embrace the emerging warmth. The gradual increase in temperatures not only rejuvenates the surroundings but also enhances outdoor activities, making April a delightful prelude to spring in Princeton.
April in Princeton brings a notable continuation of the wet season, with precipitation measuring 106 mm (4.2 in) over the month. This marks a slight decrease from the previous months, March and February, both recording 109 mm (4.3 in). Rainfall occurs across an average of 12 days, indicating a steady frequency of wet weather. As spring unfolds, the transition becomes apparent, with April's precipitation paving the way for even wetter conditions ahead in May, which typically sees an increase to 131 mm (5.1 in). This upward trend in rainfall showcases Princeton's blossoming landscape, as each shower contributes to the vibrant growth characteristic of this time of year.
In April, Princeton experiences a notable shift in humidity, dropping to 78% from its winter highs of 84% in January and 82% in February. This gradual decline signifies the transition into spring, as the air becomes less heavy and more invigorating following the cold months. By March, humidity levels have already eased to 81%, hinting at the refreshing atmosphere that April brings. As the region moves towards the warmer months, May sees a further decrease to 69%, highlighting a trend of decreasing humidity that continues into the summer. This springtime change not only provides respite from the dampness of winter but also sets the stage for the more comfortable and enjoyable conditions of the upcoming season.
In April, Princeton experiences a significant jump in the UV Index, reaching 8, which classifies the exposure as very high. This marks a notable rise from the 6 recorded in March, reflecting the increasing intensity of spring sunlight. As the weather warms, the burn time decreases to just 15 minutes, highlighting the urgent need for sun protection. This trend continues into May, where the UV Index peaks at 10, suggesting that outdoor enthusiasts must prioritize safety to prevent skin damage. For more detailed information on the UV Index in Princeton, visit Princeton UV Index.
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In April, Princeton basks in the glow of 248 hours of sunshine, a testament to the gradual warming and lengthening days that spring brings. This delightful month often serves as a bridge, with sunlight hours only slightly trailing behind March's peak of 249 hours. As we transition into the heart of spring, the sun’s embrace becomes even more generous, paving the way for the exuberant days of May and June, which witness a remarkable increase in sunlight hours, reaching 278 and 315 respectively. The trend clearly illustrates how Princeton's residents can look forward to brighter days ahead, enhancing outdoor experiences and invigorating the spirit as nature fully awakens.
April in Princeton brings a promising chance of sunny weather, with a 44% likelihood of clear skies. This represents a slight dip from the more promising 56% observed in March, but it still holds its ground as one of the more favorable months for sunshine compared to the year’s early and later months. Notably, after the bright spells of November (55%) and the somewhat mixed skies of May (41%), April sets the stage for spring transitioning into summer, making it an ideal time for outdoor activities before the heat of July and August descends. While the weather can be unpredictable, April's sunshine potential hints at the vibrant bloom of new beginnings in the heart of Princeton.
As the spring sun rises higher in the sky, April in Princeton heralds a welcome increase in daylight duration, extending to 13 hours. This marks a significant leap from the 11 hours of March, illustrating the transition into longer, brighter days that characterize the season. Following the gradual climb from 10 hours in February and 9 hours in January, April serves as a bridge into the summer months, where daylight peaks at 14 hours in both May and June. This progressive increase not only enhances outdoor activities but also lifts spirits, making it a cherished month as nature awakens and blossoms. After April, the daylight begins to taper off, transitioning back to shorter days as autumn approaches, creating a beautiful cyclical rhythm throughout the year.
April in Princeton sees a gentle revival in wind patterns, with an average speed of 3.3 m/s (7 mph), mirroring January's breezy beginnings. As winter transitions to spring, the winds maintain a moderate pace, suggesting a serene atmosphere that often accompanies blossoming flowers and warm sunlight. This month reflects a slight dip from March’s 3.6 m/s (8 mph), hinting at nature's gradual calm as temperatures rise. Following April, there is a notable decrease in wind speed as the warmer months approach, with May recording 3.0 m/s (7 mph). Overall, the trend showcases a consistent yet soothing flow of air, providing Princeton with a delightful springtime ambiance.
The weather in Princeton 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 Princeton and find detailed weather information for every month.
When comparing the weather in April to that of January, there is a significant shift in temperature and precipitation patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 31°C (88°F), averaging around 12°C (54°F). This month sees 106 mm (4.2 in) of precipitation over 12 days, with a humidity level of 78%. In contrast, January experiences much colder conditions, with temperatures ranging from a frigid minimum of -17°C (2°F) to a more moderate maximum of 20°C (68°F), averaging just 2°C (35°F). Additionally, January has lower precipitation at 64 mm (2.5 in) over 8 days, although humidity is slightly higher at 84%. For a detailed look at January weather, visit Princeton weather in January.
April and February present a striking contrast in weather patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to a much warmer maximum of 31°C (88°F), with an average of 12°C (54°F). The month sees about 106 mm (4.2 in) of precipitation spread over 12 days, and the humidity hovers around 78%. In contrast, February is notably colder, beginning with temperatures that dip as low as -16°C (4°F) and only climbing to a maximum of 26°C (79°F), with an average of just 3°C (38°F). February also experiences similar precipitation levels at 109 mm (4.3 in) over 11 days, though it carries a slightly higher humidity at 82%. For more information on February weather specifics, you can visit Princeton weather in February.
When comparing the weather between April and March, notable differences emerge. In April, temperatures range from a minimum of -2°C (29°F) to a maximum of 31°C (88°F), with an average temperature of 12°C (54°F). In contrast, March exhibits colder conditions, with temperatures ranging from a minimum of -12°C (10°F) and a maximum of 28°C (83°F), averaging just 6°C (43°F). Precipitation levels are similar, with April recording 106 mm (4.2 in) over 12 days, slightly less than March's 109 mm (4.3 in) over 10 days, highlighting a somewhat wetter April. Additionally, humidity levels in April average 78%, just a touch lower than March’s 81%. For more details on March conditions, check out Princeton weather in March.
April and May exhibit contrasting weather patterns, reflecting the transition from early spring to late spring. In April, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 31°C (88°F), with an average of 12°C (54°F) and a relatively high humidity level of 78%. Precipitation is significant, totaling 106 mm (4.2 in) over 12 days. In contrast, May brings slightly warmer temperatures, with a minimum of 1°C (35°F), an average of 17°C (63°F), and a maximum of 35°C (94°F). Although May sees a slight increase in precipitation to 131 mm (5.1 in) over 13 days, the humidity drops to a more comfortable 69%. This makes May generally more pleasant compared to the fluctuating conditions of April. For more detailed insights, you can refer to Princeton weather in May.
April and June present contrasting weather patterns, with April experiencing a wider temperature range from a low of -2°C (29°F) to a high of 31°C (88°F) and an average of 12°C (54°F). In contrast, June offers a milder temperature spectrum, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 36°C (97°F), and an average of 22°C (73°F). While April sees higher humidity levels at 78% and a total precipitation of 106 mm (4.2 in) over 12 days, June's humidity decreases to 69%, with slightly less precipitation at 100 mm (3.9 in) over the same number of days. For more detailed insights into the June climate specifically, you can refer to Princeton weather in June.
April and July present strikingly different weather patterns. In April, temperatures typically range from a chilly -2°C (29°F) at night to a pleasant 31°C (88°F) during the day, with an average of 12°C (54°F). This month experiences considerable precipitation, totaling 106 mm (4.2 in) over about 12 days, alongside relatively high humidity at 78%. In contrast, July sees a much warmer climate, with nighttime temperatures no lower than 13°C (56°F) and daytime highs reaching up to 37°C (98°F), averaging 26°C (78°F). This month has a slightly higher total precipitation of 139 mm (5.5 in) spread across about 14 days, though humidity drops to a more comfortable 62%. For a closer look at the specifics of July weather, check out Princeton weather in July.
April and August present stark contrasts in weather patterns. April experiences a wide temperature range, with minimums dipping as low as -2°C (29°F) and maximums reaching up to 31°C (88°F), leading to an average temperature of 12°C (54°F). This month also sees considerable precipitation, measuring 106 mm (4.2 in) over approximately 12 days, paired with relatively high humidity at 78%. In contrast, August offers a more stable climate, with minimum temperatures of 14°C (57°F) and maximums soaring to 35°C (96°F), resulting in a warmer average of 24°C (76°F). Although August has slightly higher precipitation at 135 mm (5.3 in) over 14 days, the humidity drops to a more comfortable 65%. For more insights into August weather, you can refer to Princeton weather in August.
The weather in April features a broader temperature range, with minimums dropping as low as -2°C (29°F) and maximums reaching up to 31°C (88°F), while the average hovers around 12°C (54°F). In contrast, September offers milder conditions, with minimum temperatures starting at 6°C (43°F) and averaging a comfortable 21°C (70°F), peaking at 35°C (95°F). Precipitation in April is higher at 106 mm (4.2 in) over approximately 12 days, compared to September's 87 mm (3.4 in) across 10 days. Additionally, April's humidity sits at 78%, slightly more humid than September's 68%. For more detailed insights, you can refer to Princeton weather in September.
April and October present a striking contrast in weather patterns. In April, temperatures can vary significantly, with a minimum of -2°C (29°F) and an average of 12°C (54°F), reaching up to a warm 31°C (88°F). The month also sees around 106 mm (4.2 in) of precipitation over approximately 12 days, accompanied by high humidity at 78%. Conversely, October features milder temperatures, ranging from a minimum of 1°C (34°F) to an average of 16°C (61°F) and a peak of 35°C (96°F). While it is slightly wetter than April with 121 mm (4.8 in) of rainfall across 10 days, October's humidity is lower at 74%. For more detailed information on October weather, check out Princeton weather in October.
April and November present contrasting weather patterns, with April generally enjoying milder temperatures and greater variability. In April, temperatures can range from a chilly -2°C (29°F) to a warm 31°C (88°F), averaging around 12°C (54°F), while November tends to be cooler, with temperatures varying from -9°C (15°F) to a maximum of 25°C (77°F) and an average of 8°C (46°F). Additionally, April experiences more precipitation at 106 mm (4.2 in) over 12 days, compared to November's 83 mm (3.3 in) over just 9 days. Humidity levels are also relatively high in both months, with April at 78% and November slightly higher at 82%. For more detailed information, you can check Princeton weather in November.
April and December present contrasting weather patterns, with April showcasing a broader temperature range, from a chilly -2°C (29°F) to a warm 31°C (88°F), while December remains much cooler, with temperatures ranging from -12°C (11°F) to a maximum of 19°C (67°F). Notably, both months experience similar precipitation levels, with April receiving 106 mm (4.2 in) over 12 days and December slightly less at 104 mm (4.1 in) over 10 days. Humidity levels are relatively close as well, with April at 78% and December at 80%. For a more detailed look at December weather, you can refer to this link: Princeton weather in December.
As April unfolds in Princeton, the weather showcases a refreshing transition from the chill of winter to the mild embrace of spring. With temperatures rising significantly, residents can enjoy warmer days while still experiencing a notable coolness, especially during the nights. The month brings with it increased precipitation, contributing to the lush greenery that defines the season. Although April sees around half of its days graced with rain, the overall humidity levels create a vibrant, lively atmosphere. This distinct blend of warmth and moisture sets April apart from the more consistent temperatures and drier conditions of the preceding months. For more detailed insights on the weather, check out Princeton Climate.