May Weather in Ithaca, United States

Last updated: February 24, 2025

In Ithaca, United States, May ushers in a blend of warmth and occasional showers, with maximum temperatures reaching 32°C (89°F) while maintaining an average of 14°C (58°F). The month experiences a notable minimum temperature of -2°C (28°F), highlighting the variability of the season. With 127 mm (5.0 in) of precipitation spread across 17 days, residents can expect high humidity levels averaging 82%, contributing to a lush, vibrant landscape. This intriguing interplay of warmth and moisture sets the stage for May’s distinctive character in Ithaca.

May Temperature in Ithaca

May in Ithaca, United States, heralds a significant transition as temperatures rise from the lingering frost of previous months. The minimum temperature hovers around -2°C (28°F), while the average feels pleasantly mild at 14°C (58°F), and residents can enjoy maximum highs reaching up to 32°C (89°F). This upward trend compared to the colder spring months indicates a shift towards summer, inviting outdoor activities and blooming landscapes. As the chill of winter fades, May showcases Ithaca’s potential for warm days, making it an ideal time for locals and visitors alike to embrace the invigorating beauty of nature.

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

The chart illustrates May temperature patterns in Ithaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec262834465866727063533931
Data source: Temperature data for Ithaca generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Ithaca

In May, Ithaca experiences its peak rainfall, measuring an impressive 127 mm (5.0 in) across 17 days. This month marks a noticeable increase from April's rainfall of 118 mm (4.6 in), suggesting that spring is well underway with Mother Nature's revitalizing downpours. The trend of rising precipitation continues into the warmer months, as May transitions into July, which averages 146 mm (5.8 in). This increase not only enhances the lush greenery that Ithaca is renowned for but also signals the onset of summer storms. As the month wraps up, residents can expect a lively mix of showers that fosters both the enchanting landscape and the vibrant spirit of the community.

May Precipitation Trends in Ithaca

The chart displays monthly precipitation patterns in Ithaca, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82898511812795146100911509597
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Ithaca

In May, humidity in Ithaca begins to noticeably drop, registering at 82% compared to the consistently high levels seen in the winter months, where figures hover around 90%. This marks a gradual easing as spring progresses, following slightly lower readings in March and April. What’s intriguing is the trend of decreasing humidity during the warmer months, with June, July, and August showing further declines to 79%, 78%, and 76%, respectively. This pattern suggests a transition into summer, where the air becomes a touch drier, allowing for a comfortable outdoor experience while still retaining a hint of the region's characteristic moisture.

May Average Humidity in Ithaca

This chart illustrates the average monthly humidity levels in Ithaca, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ithaca

As spring gives way to summer in Ithaca, the UV Index shows a marked increase, peaking at 10 in May, which falls into the very high exposure category. This surge indicates that locals should be more vigilant about sun protection, as the anticipated burn time drastically decreases to just 15 minutes. Following a steady climb from a moderate UV Index of 3 in January to a notable rise in April's 8, the transition into May highlights not only the warmth of the season but also the intensified sun's rays that can lead to skin damage if precautions aren't taken. With this upward trend continuing into June and July, it's important to stay informed and prepared for the summer sun. For more information on the UV Index in Ithaca, visit Ithaca UV Index.

Maximum UV Index Levels in Ithaca for May

The chart shows the monthly maximum UV Index (UVI) for Ithaca 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.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Ithaca 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 Ithaca

As May unfolds in Ithaca, the sun begins to shine brighter, offering 265 hours of glorious sunlight, a marked increase from the earlier months. This delightful uptick not only enhances the beauty of the blooming landscapes but also heralds the arrival of warmer days, setting the stage for outdoor adventures. Following the steady rise from the 228 hours in April, May bridges the gap to the height of summer when June and July bask in 325 and 341 hours respectively. This trend showcases Ithaca's seasonal transformation, where sunlight gradually intensifies, inviting both residents and visitors to revel in the vibrant atmosphere as spring blossoms into summer.

Monthly Sunshine Duration in Ithaca: May Highlighted

The May sunshine duration represents the total number of hours Ithaca 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.
JanFebMarAprMayJunJulAugSepOctNovDec104h144h216h228h265h325h341h330h284h205h152h110h
Data source: Ithaca May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ithaca During May

In Ithaca, the likelihood of enjoying sunny weather in May sits at 37%, a modest bump from April's 35%. While May doesn't quite reach June’s peak of 43%, it reflects an upward trend in sun exposure compared to the winter months, where January and February languish around 13% and 22% respectively. As spring unfolds, March kicks off a noticeable increase with a 40% chance, suggesting that May continues this positive trajectory. Overall, the gradual ascent from the dim days of winter to the brighter promise of summer paints May as a delightful transition towards sunnier times in the heart of New York.

Percentage of Sunny Days in May in Ithaca

The chart illustrates the percentage of sunny days in Ithaca 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 Ithaca experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%22%40%36%37%43%38%35%37%29%39%20%
Data source: Ithaca May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ithaca in May

As spring blooms into summer, Ithaca experiences a delightful increase in daylight duration, peaking in May with 14 hours of sunshine. This month marks a significant leap from April's 13 hours, reflecting the approach of the longer days that characterize the season. Following May, daylight gently tapers off through summer, with July still enjoying a robust 14 hours before gradually descending back to 10 hours by the end of autumn in November. The transition from winter's cold grasp, with just 9 hours of daylight in January, to the vibrant, sun-soaked days of May illuminates the rhythm of the year, inviting residents and visitors alike to embrace the vitality of longer daylight hours.

Average Daylight Hours in Ithaca for May

The chart illustrates the variation in daylight duration in Ithaca throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 33m11h 58m13h 24m14h 37m15h 13m14h 53m13h 48m12h 25m11h9h 44m9h 6m
Data source: Ithaca daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Ithaca

In Ithaca, United States, the winds of May bring a gentle breeze, with an average wind speed of 2.7 m/s (6 mph), marking a noticeable decrease compared to the preceding months. This trend of declining wind speeds is particularly evident when juxtaposed against the transition from spring to summer, as March boasts a brisk 4.0 m/s (9 mph). Following this peak, the winds maintain a softer touch through April and May, which may invite outdoor enthusiasts to enjoy the serene atmosphere. As the summer months approach, wind speeds continue to hover around the same mild level, suggesting a tranquil season on the horizon for Ithaca's residents and visitors alike.

Average May Wind Speed in Ithaca

The chart displays monthly wind speed patterns in Ithaca, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.14.03.22.7 m/s2.72.42.33.02.83.23.7
Data source: Ithaca May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Ithaca Compares to Other Months

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

May and January present a stark contrast in weather conditions. In May, temperatures range from a minimum of -2°C (28°F) to a maximum of 32°C (89°F), with an average temperature of 14°C (58°F). The month experiences significant rainfall, totaling 127 mm (5.0 in) across about 17 days, and humidity levels hover around 82%. In contrast, January is much colder, with temperatures dropping as low as -25°C (-13°F) and averaging -3°C (26°F), peaking at 17°C (63°F). Precipitation is lower in January, with about 82 mm (3.2 in) over 13 days and slightly higher humidity at 90%. For more detailed information about January weather, check out Ithaca weather in January.

May and February exhibit starkly contrasting weather patterns. May boasts a significant range in temperatures, with a minimum of -2°C (28°F), an average of 14°C (58°F), and a maximum of 32°C (89°F), reflecting the transition into warmer months. It also experiences higher precipitation, totaling 127 mm (5.0 in) over 17 days and an average humidity of 82%. In contrast, February is much colder, featuring a minimum temperature of -23°C (-9°F), an average of -2°C (28°F), and a maximum of 20°C (69°F). Although February sees less precipitation at 89 mm (3.5 in) across 14 days, the humidity is slightly higher at 90%. For more details, you can explore Ithaca weather in February.

Comparing the weather in March and May reveals a significant shift in conditions as spring unfolds into early summer. In March, temperatures range from a chilling minimum of -17°C (1°F) to a maximum of 23°C (73°F), with an average of just 1°C (34°F). This month experiences about 85 mm (3.4 in) of precipitation over 13 days, accompanied by a high humidity level of 87%. In contrast, May offers much milder temperatures, with a minimum of -2°C (28°F), an average of 14°C (58°F), and a maximum that can soar up to 32°C (89°F). Additionally, May sees increased precipitation at 127 mm (5.0 in) over 17 days, but the warmer conditions make it feel much more pleasant despite its humidity of 82%. For a deeper look into March weather, you can check Ithaca weather in March.

In comparing the weather of April and May, May generally presents a warmer atmosphere, with average temperatures rising from April's 8°C (46°F) to 14°C (58°F). While both months experience similar patterns of precipitation, May sees an increase in rainfall with 127 mm (5.0 in) over 17 days compared to April's 118 mm (4.6 in) across 16 days. Additionally, humidity levels are slightly lower in May at 82% compared to April's 88%, suggesting a shift towards more pleasant conditions. For more detailed insights on the weather patterns, you can check Ithaca weather in April.

May and June exhibit distinct weather patterns, showcasing a transition from late spring to early summer. In May, temperatures range from a chilly minimum of -2°C (28°F) to a warmer maximum of 32°C (89°F), with an average temperature of 14°C (58°F). The month is characterized by considerable rainfall, receiving 127 mm (5.0 in) over 17 days, and a humidity level of 82% contributes to the damp feeling. In contrast, June sees a milder climate, with minimum temperatures rising to 4°C (39°F) and an average temperature of 19°C (67°F), peaking at a maximum of 34°C (93°F). Precipitation decreases to 95 mm (3.7 in) over 12 days, and humidity slightly lowers to 79%, making June's conditions feel more comfortable. For a more detailed outlook, visit Ithaca weather in June.

May and July exhibit notable differences in weather patterns. In May, temperatures can range from a chilly -2°C (28°F) at night to a warm 32°C (89°F) during the day, with an average of 14°C (58°F). The month also sees higher humidity at 82% and substantial precipitation of 127 mm (5.0 in) over 17 days. In contrast, July boasts milder lows of around 10°C (51°F) and warmer averages of 22°C (72°F), peaking at a maximum of 34°C (94°F). While July experiences slightly more precipitation at 146 mm (5.8 in), it occurs over fewer days, totaling just 15. Additionally, humidity drops to 78%, making July feel warmer and more comfortable. For more detailed insights, check out Ithaca weather in July.

May and August present contrasting weather conditions. In May, temperatures can drop as low as -2°C (28°F) and rise to a comfortable 32°C (89°F), with an average temperature of 14°C (58°F). The month sees significant precipitation, totaling 127 mm (5.0 in) over 17 days, contributing to a high humidity level of 82%. In comparison, August offers a more stable climate with minimum temperatures starting at 7°C (45°F) and peaking at 34°C (93°F), yielding an average of 21°C (70°F). Rainfall is slightly less in August, with 100 mm (3.9 in) recorded over just 12 days, and humidity levels are a bit lower at 76%. This shift makes August generally warmer and drier compared to the variability of May. For more specific details on August weather, you can visit Ithaca weather in August.

May and September exhibit notable differences in weather patterns. In May, temperatures can be quite variable, ranging from a chilly -2°C (28°F) at night to a warm 32°C (89°F) during the day, with an average temperature of 14°C (58°F). This month also sees considerable precipitation, tallying 127 mm (5.0 in) over 17 days, accompanied by high humidity levels at 82%.

In contrast, September features a more stable climate, with nighttime lows of 1°C (34°F) and daytime highs peaking at 33°C (91°F), leading to an average temperature of 17°C (64°F). Precipitation decreases significantly to 91 mm (3.6 in) across just 9 days, and humidity remains slightly lower at 78%.

For more details on September weather, you can check out Ithaca weather in September.

May and October present two distinct weather patterns. In May, temperatures range from a chilly -2°C (28°F) at night to a warm 32°C (89°F) during the day, with an average of 14°C (58°F). This month also sees 127 mm (5.0 in) of precipitation over approximately 17 days and maintains a high humidity level of 82%. In contrast, October's temperatures are milder, with lows of 0°C (32°F) and highs reaching up to 28°C (82°F), averaging at 12°C (53°F). Precipitation slightly increases to 150 mm (5.9 in) across about 15 days, accompanied by a humidity of 84%. For more detailed weather insights, check Ithaca weather in October.

May and November present contrasting weather patterns that reflect the transition of seasons. In May, temperatures range from a chilly -2°C (28°F) at night to a warm 32°C (89°F) during the day, with an average temperature of 14°C (58°F). The month also experiences significant rainfall, totaling 127 mm (5.0 in) over 17 days, coupled with a humidity level of 82%. In stark contrast, November features cooler temperatures, with a minimum of -20°C (-3°F) and a maximum of 23°C (74°F), averaging only 4°C (39°F). Precipitation is lower at 95 mm (3.7 in) across 14 days, but the humidity rises to 89%. For more detailed information, you can check out Ithaca weather in November.

In May, temperatures in Ithaca can vary significantly, with a minimum of -2°C (28°F) and a maximum of 32°C (89°F), leading to an average of 14°C (58°F). The month experiences considerable precipitation, totaling 127 mm (5.0 in) over about 17 days, with humidity levels around 82%. In contrast, December brings colder conditions, where temperatures drop significantly, with a minimum of -17°C (1°F) and a maximum of 17°C (63°F), averaging just 0°C (32°F). Although December sees lower overall precipitation at 97 mm (3.8 in) and similar humidity levels of 86%, the cold spells create a much harsher environment. For more detailed information, check out Ithaca weather in December.

Compare Ithaca's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Ithaca

As spring unfolds in Ithaca, May presents a unique blend of warmth and moisture that sets it apart from other months in the year. The temperature often climbs to pleasant highs, creating an inviting atmosphere, while the lingering chill can still make an occasional appearance at night. This month also brings increased precipitation, contributing to the lush greenery that adorns the landscape. The notable humidity adds to the overall vibrancy of the environment, fostering a sense of life and growth that feels particularly distinct compared to the drier, cooler months preceding it. For a more comprehensive understanding of how weather patterns shift throughout the year, visit Ithaca Climate.