May Weather in Lambertville, United States

Last updated: February 24, 2025

May in Lambertville, United States, showcases a dynamic climate characterized by a maximum temperature reaching up to 34°C (94°F), while the average hovers around a comfortable 17°C (63°F). However, the month also witnesses cooler moments with a minimum temperature dipping to 1°C (34°F). Rainfall is a significant aspect of May, with a total precipitation of 138 mm (5.4 in) spread over 14 days, contributing to a humidity level of 75%. This combination of warmth, occasional rain, and heightened humidity creates a vibrant spring atmosphere, perfect for enjoying the blooming landscapes and outdoor activities in Lambertville.

May Temperature in Lambertville

May marks a delightful transition into warmer days in Lambertville, United States, as temperatures begin to rise significantly from the chill of winter. With a minimum temperature of 1°C (34°F) and an average of 17°C (63°F), residents and visitors alike can finally shed their heavy coats and embrace the outdoors. The highs can reach a pleasant 34°C (94°F), offering ideal weather for spring festivities and outdoor activities. This month showcases a remarkable upward trend from the cooler averages of previous months, making it a perfect time to enjoy blooming gardens and vibrant local events as the community comes alive under the sunshine.

May Weather in Lambertville: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Lambertville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343743536372787570604638
Data source: Temperature data for Lambertville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Lambertville

In Lambertville, May emerges as the wettest month of the year, showcasing a significant precipitation increase to 138 mm (5.4 in), accompanied by an average of 14 rainy days. This spike in rainfall marks a noticeable trend as spring transitions into summer, following closely behind April's 106 mm. As the landscape blooms, the consistent rainfall not only enriches the scenery but also supports local ecosystems, highlighting May's pivotal role in sustaining the region's vibrant flora. The 14 precipitation days in May contribute to a more lush and vibrant environment, setting the stage for the warm, humid months ahead.

May Precipitation Trends in Lambertville

The chart displays monthly precipitation patterns in Lambertville, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec661081101061381031451469111284105
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lambertville

As May arrives in Lambertville, the humidity begins to dip, marking a transition from the cooler, more moisture-laden winter and spring months. With an average humidity level of 75%, May offers a refreshing change compared to higher levels seen earlier in the year—87% in January and 85% in February and March. This gradual decrease reflects the start of warm weather, paving the way for the dry heat of summer, where humidity levels continue to decline, hitting a low of 65% in July. Overall, May stands out as a delightful reprieve from the higher humidity earlier in the year, setting the stage for the outdoor enjoyment that summer brings.

May Average Humidity in Lambertville

This chart illustrates the average monthly humidity levels in Lambertville, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lambertville

As spring transitions into summer, Lambertville experiences a significant rise in UV exposure. In May, the UV Index reaches a striking 10, categorized as very high, which calls for heightened sun protection measures. This marks a noticeable shift from April's 8, highlighting the urgency to limit sun exposure to just 15 minutes. Such trends reveal an escalating risk of UV-related harm, emphasizing the importance of proactive skin protection as the days grow longer and sunnier. With several months still ahead exhibiting equally high UV levels, it's crucial to stay informed and prepared. For detailed insights, check out the Lambertville UV Index.

Maximum UV Index Levels in Lambertville for May

The chart shows the monthly maximum UV Index (UVI) for Lambertville in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Lambertville May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Lambertville

May in Lambertville shines brightly with 273 hours of sunshine, marking a delightful arrival of warmer days after a gradual increase since January. As spring unfolds, the hours of sunlight have steadily climbed from 142 hours in January to 247 hours in April, culminating in this vibrant month where flowers bloom and outdoor activities thrive. This trend continues into the summer, with June and July boasting even greater hours of sunshine. May serves as a wonderful bridge from the refreshing spring to the sun-drenched summer, making it an ideal time for residents and visitors to enjoy all that Lambertville has to offer in the golden light.

Monthly Sunshine Duration in Lambertville: May Highlighted

The May sunshine duration represents the total number of hours Lambertville experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec142h175h245h247h273h310h345h308h268h221h216h178h
Data source: Lambertville May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lambertville During May

In Lambertville, the likelihood of sunny weather in May hovers at a moderate 40%, aligning closely with the trends seen in the preceding months of January through April, where sunshine probabilities fluctuate between 28% and 55%. This indicates that while May offers a decent chance for brighter days, it does not quite reach the sunnier heights of March’s 55%. As the year progresses into summer, June dips to 36%, suggesting that the sun’s appearances may become less frequent as humidity increases. Nevertheless, compared to the winter months, where January and February struggle with lower chances of sun, May represents a refreshing shift towards warmer, sunnier days, making it an appealing time for outdoor activities and exploration in this charming riverside town.

Percentage of Sunny Days in May in Lambertville

The chart illustrates the percentage of sunny days in Lambertville throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Lambertville experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%28%55%43%40%36%46%31%50%37%55%31%
Data source: Lambertville May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lambertville in May

As spring transitions into summer, Lambertville experiences an impressive increase in daylight hours that culminates in May, where the sun graces the skies for 14 hours each day. Starting from a modest 9 hours in January, the gradual extension of daylight underscores the shift from the deep winter months to the vibrancy of spring. By April, residents enjoy a refreshing 13 hours of sunlight, which signals rising temperatures and blossoming landscapes. June, July, and August maintain the peak daylight duration, reinforcing the idea that summer is a time of abundance and outdoor activities. As the year progresses towards autumn, daylight begins to recede, dropping to 12 hours in September and tapering down to 9 hours by November, illustrating the cyclical nature of seasonal change in this charming town. This rhythm of light not only influences daily life but also heralds the beauty of each season in Lambertville.

Average Daylight Hours in Lambertville for May

The chart illustrates the variation in daylight duration in Lambertville throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 39m10h 40m11h 58m13h 18m14h 25m14h 58m14h 40m13h 40m12h 24m11h 5m9h 55m9h 20m
Data source: Lambertville daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Lambertville

In Lambertville during May, the average wind speed gently settles at 3.0 m/s (7 mph), slightly lower than the consistent 3.4 m/s (8 mph) observed in the preceding months. This reduction marks a gradual shift towards calmer summer days, as the winds begin to ease into the warmer season. Following May, a more pronounced decline can be seen through June and July, highlighting a trend of reduced wind activity that complements the tranquility of summer, which peaks at 2.3 m/s (5 mph) in both July and August. As the year progresses into fall, there's a subtle resurgence in wind speeds, signaling a transition in the seasons. This ebb and flow of wind patterns not only reflects the changing atmosphere but also sets the stage for the serene charm that characterizes Lambertville's late spring and summer months.

Average May Wind Speed in Lambertville

The chart displays monthly wind speed patterns in Lambertville, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.43.63.43.0 m/s2.62.32.32.93.03.12.9
Data source: Lambertville May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Lambertville Compares to Other Months

The weather in Lambertville 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 Lambertville and find detailed weather information for every month.

In comparing the weather between May and January, May experiences significantly warmer temperatures, with a minimum of 1°C (34°F) and an average of 17°C (63°F), peaking at a maximum of 34°C (94°F). In contrast, January is much colder, with temperatures ranging from a frigid minimum of -17°C (2°F) to an average of 1°C (35°F), and a maximum of 19°C (67°F). Additionally, May tends to be wetter, receiving 138 mm (5.4 in) of precipitation over 14 days, compared to January's 66 mm (2.6 in) of precipitation spread over just 8 days. January also has higher humidity levels at 87%, while May's humidity is at 75%. For more details on January weather, check out Lambertville weather in January.

May and February present stark contrasts in weather conditions. In May, temperatures range from a chilly 1°C (34°F) at their lowest to a warm 34°C (94°F) at their peak, with an average of 17°C (63°F). This month experiences about 138 mm (5.4 in) of precipitation over 14 days, coupled with a humidity level of 75%. In contrast, February typically sees much colder temperatures, with a minimum of -16°C (3°F) and a maximum of 26°C (78°F), averaging around 3°C (38°F). Although it receives slightly less precipitation at 108 mm (4.2 in) over 11 days, February has a higher humidity of 85%. For more details on February weather, check out Lambertville weather in February.

In comparing the weather of March and May, it is evident that May experiences significantly milder temperatures, with an average of 17°C (63°F) compared to March's average of just 6°C (43°F). While March can see temperatures plummet to a minimum of -14°C (7°F), May's lowest temperature is considerably warmer at 1°C (34°F). Additionally, May tends to have higher maximum temperatures, reaching as high as 34°C (94°F), whereas March peaks at 28°C (82°F). Both months see a fair amount of precipitation, with May recording 138 mm (5.4 inches) over 14 days, slightly more than March’s 110 mm (4.3 inches) over 10 days. Interestingly, March has a higher humidity level at 85% compared to May’s 75%. For more details on weather specifics for March, visit Lambertville weather in March.

In comparing the weather patterns of May and April, May typically experiences warmer temperatures, with an average high of 17°C (63°F) and reaching up to 34°C (94°F), while April has a cooler average high of 12°C (53°F) and a maximum of 30°C (87°F). Despite the increase in warmth, May also sees higher precipitation levels, with 138 mm (5.4 in) of rain over 14 days, compared to April's 106 mm (4.2 in) over 12 days. Additionally, humidity remains relatively high in both months, but is slightly lower in May at 75%, compared to April's 83%. For more detailed insights on April's weather, you can check Lambertville weather in April.

May and June present a noticeable transition in weather patterns, with June generally offering warmer temperatures. In May, temperatures can vary widely, ranging from a chilly minimum of 1°C (34°F) to a maximum of 34°C (94°F), while June maintains a milder range with minimums of 9°C (48°F) and maximums peaking at 35°C (96°F). Precipitation also decreases slightly from 138 mm (5.4 in) over 14 days in May to 103 mm (4.0 in) across 12 days in June, contributing to a marginal drop in humidity from 75% to 73%. For those interested in detailed weather conditions, visit Lambertville weather in June.

In comparing the weather of May and July, it's clear that July tends to be warmer, with average temperatures reaching around 25°C (78°F), compared to May's average of 17°C (63°F). The maximum temperature in July can soar up to 37°C (98°F), significantly higher than May's peak of 34°C (94°F). Additionally, while both months experience similar precipitation levels at around 145 mm (5.7 in) in July and 138 mm (5.4 in) in May, the humidity levels differ, being slightly lower in July at 65% compared to 75% in May. For a detailed look at July weather, you can check Lambertville weather in July.

May's weather is characterized by a broader temperature range, with minimums dipping to 1°C (34°F) and maximums soaring to 34°C (94°F), leading to an average of around 17°C (63°F). In comparison, August offers a milder experience with minimums starting at 13°C (56°F) and a warmer average of 24°C (76°F), peaking at 35°C (95°F). Both months see similar precipitation levels, with May recording 138 mm (5.4 in) and August slightly higher at 146 mm (5.8 in), though humidity is higher in May at 75% compared to 62% in August. For more specific insights into August weather, visit Lambertville weather in August.

May and September present distinct weather patterns, highlighting the transition from spring to fall. In May, temperatures can vary significantly, ranging from a chilly 1°C (34°F) at night to a warm 34°C (94°F) during the day, with an average of about 17°C (63°F). The month is notably humid, with humidity levels at 75%, and a considerable amount of precipitation, totaling 138 mm (5.4 in) over approximately 14 days. In contrast, September boasts milder temperatures, with nighttime lows of 6°C (42°F) and daytime highs that can also reach 34°C (94°F), averaging around 21°C (70°F). The humidity decreases to 66%, and rainfall is less frequent, accumulating to 91 mm (3.6 in) across about 10 days. For a detailed look at the weather in September, you can refer to Lambertville weather in September.

May and October present a striking contrast in weather conditions despite both being transitional months. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 34°C (94°F), with an average of 17°C (63°F). This month also experiences higher precipitation, at 138 mm (5.4 in) over 14 days, and a humidity level of 75%. In contrast, October features a similar minimum temperature of 1°C (34°F) but averages slightly cooler at 16°C (60°F), reaching a maximum of 35°C (95°F). October sees less rainfall, totaling 112 mm (4.4 in) over 11 days, and a higher humidity level of 79%. For a detailed look at October's climate, you can check out Lambertville weather in October.

May and November present contrasting weather patterns, each with its unique characteristics. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 34°C (94°F), with an average temperature of 17°C (63°F). The month sees considerable rainfall, totaling 138 mm (5.4 in) over about 14 days, and a humidity level of 75%. In contrast, November's temperatures are significantly cooler, with a minimum of -9°C (15°F) and a maximum of 25°C (77°F), averaging around 8°C (46°F). This month receives less precipitation at 83 mm (3.3 in) over 9 days, yet experiences higher humidity at 87%. For more specific details about November weather, you can check Lambertville weather in November.

May and December present stark contrasts in weather conditions. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 34°C (94°F), with an average of 17°C (63°F). The month sees about 138 mm (5.4 in) of precipitation over approximately 14 days and maintains a humidity level of 75%. In contrast, December experiences much colder temperatures, with lows reaching -12°C (12°F) and highs around 19°C (66°F), averaging at 4°C (39°F). Precipitation is slightly lower in December, totaling 105 mm (4.1 in) over approximately 10 days, and humidity increases to 85%. For a more detailed insight into how December weather can affect daily life, check out Lambertville weather in December.

Compare Lambertville's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Lambertville

As May arrives in Lambertville, the weather transforms dramatically from the chill of early spring to a more temperate climate that hints at the warmth of summer. Temperatures rise notably, with pleasant days making way for occasional heatwaves, contrasting sharply with the cooler months. Despite the increase in warmth, May also brings a fair share of rain, with nearly half the month experiencing precipitation, adding a refreshing touch to the blossoming scenery. The humidity can lend a sticky feel to the air, making it a month of contrasts. For those interested in exploring the nuances of Lambertville's climate, delve deeper here: Lambertville Climate.