Last updated: February 24, 2025
In Princeton, August unveils a blend of warmth and moisture, with maximum temperatures soaring up to 35°C (96°F) and an average of 24°C (76°F), offering a pleasant backdrop for summer activities. The minimum temperature drops to a cool 14°C (57°F), ensuring comforting evenings. Frequent rains contribute to a precipitation total of 135 mm (5.3 in) over 14 days, making it a rather humid month with an average humidity level of 65%. This dynamic weather pattern invites both sunny afternoons and refreshing showers, creating a vibrant summer atmosphere in the heart of Princeton.
In August, Princeton experiences a warm embrace of summer, with temperatures rising significantly compared to earlier months. The minimum temperature is a comfortable 14°C (57°F), while the average hovers around 24°C (76°F), making it a pleasant time for outdoor activities. The maximum peaks at an impressive 35°C (96°F), reminiscent of the hottest days in July, yet it often brings a sense of warmth that invites relaxation and exploration. This month stands out as the transitional peak of summer, creating a stark contrast to the biting cold of January, where temperatures plunge to -17°C (2°F). As the season begins to shift towards fall, August remains a vital sweet spot for enjoying balmy days and warm evenings in Princeton.
In August, Princeton experiences a notable peak in precipitation, recording 135 mm (5.3 in) over 14 days, a slight decrease from the heavy rains of July, which brought 139 mm (5.5 in). This trend indicates a pattern of sustained moisture throughout the summer months, peaking in the latter part of the season. The consistent rainfall in May, June, and July, coupled with August's substantial totals, reflects a humid atmosphere before the autumn transition. As the region heads into September, a significant drop to 87 mm (3.4 in) of rain over just 10 days suggests a shift towards drier conditions, signaling the end of the summer's wet spell. Overall, the precipitation data for August highlights its role as a pivotal month in Princeton's annual weather cycle.
August in Princeton, United States, marks a subtle shift in humidity as the summer begins to wane. With a humidity level of 65%, it shows a slight increase from July's low of 62%, yet remains significantly lower than the winter months, where humidity levels hover above 80%. This pattern showcases the transition from the more humid days of winter and early spring, peaking in January at a high of 84%, to the more comfortable, drier conditions that follow the sweltering summer months. The gradual rise back up to 68% in September hints at the cyclical nature of Princeton's climate, where humidity ebbs and flows, reflecting the broader seasonal changes throughout the year.
In August, Princeton experiences a UV Index of 9, signaling very high levels of sun exposure that warrant caution. This trend marks a slight dip from the peak of 10 seen in June and July, yet it remains crucial for residents and visitors alike to protect their skin, as the burn time is capped at just 15 minutes. Following the increasing indices from January's mild 3 to April's leap to 8, it’s clear that this summer month holds significant potential for UV damage. As the summer progresses, ensure you're well-prepared for outdoor activities while keeping an eye on the UV index for safe sun exposure. For more detailed information, visit Princeton UV Index.
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August in Princeton shines brightly with 312 hours of sunlight, marking a slight dip from the sun-drenched peak of 349 hours in July. This month continues the trend of summer's bounty, contributing to the overall warmth and vibrancy of the season. Notably, since May, the number of sunny hours has remained impressively high, peaking in July before tapering slightly in August. As summer gives way to fall, September sees a substantial reduction to 272 hours, yet the lingering warmth of August leaves a cheerful note. Overall, the gradual decline from June's peak showcases the waning summer days, while still celebrating Princeton's radiant sunshine during August.
In Princeton, the likelihood of sunny weather in August dips to 30%, which marks one of the lower points across the year. This statistic follows a pattern where the summer months—June, July, and August—consistently show reduced chances of sunshine, with July peaking at 45%. Interestingly, as the year progresses into the fall, the chances of sunny days begin to rise again, with September jumping to 49% and November seeing an impressive 55%. This trend indicates a seasonal ebb and flow in sunny days, with August being a notable exception as it transitions from the summery warmth into the cooler, brighter days of fall.
In Princeton, United States, daylight duration follows an enchanting progression as the year unfolds. The long, bright days of June, July, and the beginning of August peak at 14 hours, granting residents ample time to bask in the warmth of summer. However, as August transitions to September, there's a noticeable decline in daylight, with hours decreasing to 13 hours and continuing a slow descent into the autumn months. This gentle shift marks a return to shorter days, with 12 hours of daylight by September and dipping further as the year approaches its end. Overall, Princeton's daylight patterns beautifully reflect the seasonal rhythm, inviting a unique blend of outdoor adventures in summer and cozy gatherings as the days grow shorter.
In Princeton during the month of August, the winds are at their calmest, with an average speed of 2.3 m/s (5 mph), mirroring the gentle breezes of July. This summer lull reflects a noticeable trend where wind speeds gradually decrease from the spring months, peaking at 3.6 m/s (8 mph) in March before tapering off into the more tranquil summer. As August wraps up, the autumnal winds begin to stir, with a slight uptick in September averaging 2.9 m/s (7 mph). This pattern highlights Princeton's transition from the vibrant summer season into the refreshing onset of fall, emphasizing a comforting rhythm in its climatic conditions.
The weather in Princeton changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August'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.
August and January present starkly contrasting weather conditions. In August, temperatures range from a mild 14°C (57°F) to a hot 35°C (96°F), with an average of 24°C (76°F). This month sees considerable rainfall, with precipitation totaling 135 mm (5.3 in) across about 14 days and humidity around 65%. In contrast, January brings much colder weather, featuring a minimum temperature of -17°C (2°F) and an average temperature of just 2°C (35°F), peaking at 20°C (68°F). Rainfall is less prevalent, with 64 mm (2.5 in) of precipitation spread over 8 days and a higher humidity level of 84%. For a closer look at January weather in this region, visit Princeton weather in January.
August and February present starkly contrasting weather conditions. In August, temperatures range from a mild 14°C (57°F) at night to a scorching 35°C (96°F) during the day, with an average of 24°C (76°F). This month experiences significant rainfall, totaling 135 mm (5.3 inches) over 14 days, coupled with a humidity level of 65%, making it feel quite warm and muggy.
In contrast, February features much colder temperatures, with lows plunging to -16°C (4°F) and an average temperature of just 3°C (38°F). Despite having a maximum temperature of 26°C (79°F) on warmer days, the majority of the month remains chilly. February sees around 109 mm (4.3 inches) of precipitation over 11 days, along with a higher humidity of 82%, which can make the cold feel even more biting. For more specific details about weather conditions in February, you can refer to Princeton weather in February.
August and March present striking contrasts in weather. In August, temperatures soar with a minimum of 14°C (57°F) and an average of 24°C (76°F), reaching a sweltering maximum of 35°C (96°F). The month brings considerable rainfall, totaling 135 mm (5.3 in) over approximately 14 days, accompanied by a moderate humidity level of 65%.
In contrast, March ushers in cooler temperatures, with a minimum of -12°C (10°F) and an average of 6°C (43°F), peaking at 28°C (83°F). While precipitation is slightly less at 109 mm (4.3 in) over about 10 days, the humidity rises to 81%, making the air feel noticeably heavier. For a more detailed look at the weather in Princeton this month, visit Princeton weather in March.
When comparing the weather in August and April, it's clear that August features significantly warmer temperatures, with averages around 24°C (76°F) and highs reaching up to 35°C (96°F). In contrast, April has a much cooler climate, with average temperatures of 12°C (54°F) and a maximum of 31°C (88°F), but it can still experience chilly nights with a minimum of -2°C (29°F). Precipitation is slightly higher in August, with 135 mm (5.3 in) over 14 days, compared to April’s 106 mm (4.2 in) across 12 days. Additionally, humidity levels in August sit at 65%, while April experiences a higher humidity of 78%, creating a more muggy feel in the spring. For more detailed insights, you can visit Princeton weather in April.
When comparing the weather in August and May, there are notable differences in temperature and humidity. August typically experiences warmer temperatures, with a minimum of 14°C (57°F), an average of 24°C (76°F), and a maximum reaching 35°C (96°F). In contrast, May starts off cooler, with minimum temperatures around 1°C (35°F) and an average of 17°C (63°F), also peaking at 35°C (94°F). Precipitation levels in both months are similar, with August receiving 135 mm (5.3 in) over 14 days and May slightly less at 131 mm (5.1 in) over 13 days. Humidity is also higher in May at 69%, compared to August's 65%. For more details about weather specifics in May, you can check this link: Princeton weather in May.
When comparing the weather in August to that of June, we see some notable differences. August typically features higher average temperatures, with a minimum of 14°C (57°F) and an average of 24°C (76°F), while June has a cooler minimum of 9°C (48°F) and a slightly lower average of 22°C (73°F). Both months can experience high temperatures, with June reaching up to 36°C (97°F) and August peaking at 35°C (96°F). Precipitation levels are also relevant; August receives more rainfall, averaging 135 mm (5.3 in) over about 14 days, compared to June's 100 mm (3.9 in) over 12 days. Additionally, humidity levels are slightly lower in August at 65% compared to 69% in June. For more details about June weather, check out Princeton weather in June.
In comparing the weather between July and August, we see notable differences. July tends to be slightly warmer, with an average temperature of 26°C (78°F) and a maximum of 37°C (98°F), compared to August's 24°C (76°F) average and maximum of 35°C (96°F). Additionally, both months experience similar precipitation levels, with July receiving 139 mm (5.5 in) and August totaling 135 mm (5.3 in), each spread over 14 days. However, August shows a higher humidity level at 65%, while July is slightly lower at 62%. For more detailed information about July weather, you can visit Princeton weather in July.
August typically experiences warmer temperatures, with a minimum of 14°C (57°F) and an average high reaching up to 35°C (96°F), compared to September’s cooler minimum of 6°C (43°F) and an average temperature of 21°C (70°F). While both months can experience high temperatures, September showcases a slight drop in overall warmth. In terms of precipitation, August is notably wetter, with 135 mm (5.3 in) over 14 days, while September sees less rainfall at 87 mm (3.4 in) across 10 days. Humidity levels slightly increase in September, averaging 68%, compared to August's 65%. For a more detailed comparison, you can check Princeton weather in September.
In comparing August and October weather, August typically experiences warmer temperatures with a minimum of 14°C (57°F) and an average of 24°C (76°F), while October sees much cooler conditions, featuring a minimum of 1°C (34°F) and an average of 16°C (61°F). Despite both months potentially reaching a maximum of 35°C (96°F), August is characterized by higher humidity levels at 65%, compared to October's 74%. Precipitation also varies, with August receiving 135 mm (5.3 in) across 14 days, whereas October has a slightly lower total of 121 mm (4.8 in) over just 10 days. For more detailed insights on October weather, you can visit Princeton weather in October.
August and November exhibit stark contrasts in weather patterns. In August, temperatures typically range from a mild 14°C (57°F) at night to a sizzling 35°C (96°F) during the day, with an average temperature of 24°C (76°F). The month is characterized by significant rainfall, accumulating about 135 mm (5.3 in) over approximately 14 days, and humidity levels hover around 65%. In contrast, November temperatures drop considerably, with nighttime lows reaching -9°C (15°F) and daytime highs around 25°C (77°F), leading to a much cooler average of 8°C (46°F). Precipitation decreases to 83 mm (3.3 in) over nine days, but the humidity rises to 82%, contributing to a crisp, brisk atmosphere. For more detailed insights into November weather, check out Princeton weather in November.
August and December showcase starkly contrasting weather patterns. In August, temperatures range from a mild 14°C (57°F) to a scorching high of 35°C (96°F), with an average temperature of 24°C (76°F). The month experiences significant precipitation, totaling 135 mm (5.3 in) over about 14 days, with humidity sitting at 65%. Conversely, December brings a chill, with temperatures dipping as low as -12°C (11°F) and reaching a maximum of 19°C (67°F), resulting in a much cooler average of 4°C (39°F). This month also sees less rainfall, with 104 mm (4.1 in) across 10 days, but humidity rises to 80%. For a more detailed look at December weather, check out Princeton weather in December.
As you prepare for your visit to Princeton in August, be ready for a blend of warmth and occasional rain. The average temperatures climb higher than in other months, with maximums occasionally reaching an impressive 35°C, making the days feel quite balmy. However, the humidity level tends to linger around 65%, adding a touch of stickiness to the air. With 135 mm of precipitation spread over 14 days, August also stands out for its rainfall, offering a refreshing contrast to the summer heat. This mix of warmth and moisture distinctly characterizes August weather, providing a vibrant atmosphere for both locals and visitors. For more detailed insights on what to expect throughout the year, check out Princeton Climate.