Last updated: June 24, 2025
In East Islip, United States, the average temperature in May hovers around 14°C (58°F), offering a mild climate. Expect minimums as low as 3°C (37°F) and maximums reaching up to 26°C (79°F). Precipitation is noteworthy, with an average of 123 mm (4.9 in) spread over 12 days, contributing to an average humidity of 69%. Whether you're exploring the outdoors or enjoying cozy indoor activities, this season invites diverse experiences.
In May in East Islip, the average temperature is 14°C (58°F), with maximums reaching up to 26°C (79°F) and minimums dropping as low as 3°C (37°F). This mild climate makes it an ideal time for travelers to explore the outdoors and enjoy the local attractions.
In East Islip in May, the precipitation amount is 123 mm (4.9 in) over the course of 12 days.
In East Islip in May, humidity is 69%. With an average temperature of 14°C (58°F), this humidity feels like a warm embrace, making it comfortable for traveling, though the air might feel a bit heavy and sticky as you explore.
In East Islip in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in East Islip.
UV Risk Categories
Weather in East Islip varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in East Islip, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 82 mm (3.2 inches) | 84% | moderate |
| February Weather | 3°C (37°F) | 118 mm (4.6 inches) | 82% | moderate |
| March Weather | 5°C (41°F) | 107 mm (4.2 inches) | 81% | high |
| April Weather | 9°C (49°F) | 130 mm (5.1 inches) | 78% | very high |
| May Weather | 14°C (58°F) | 123 mm (4.9 inches) | 69% | very high |
| June Weather | 20°C (68°F) | 86 mm (3.4 inches) | 69% | very high |
| July Weather | 24°C (76°F) | 130 mm (5.1 inches) | 62% | very high |
| August Weather | 24°C (75°F) | 109 mm (4.3 inches) | 65% | very high |
| September Weather | 21°C (70°F) | 96 mm (3.8 inches) | 68% | very high |
| October Weather | 16°C (61°F) | 142 mm (5.6 inches) | 74% | high |
| November Weather | 9°C (49°F) | 105 mm (4.1 inches) | 82% | moderate |
| December Weather | 5°C (41°F) | 138 mm (5.4 inches) | 80% | low |