Last updated: June 24, 2025
In Port Jefferson Station, United States, the average temperature in May hovers around 14°C (58°F), making it a comfortable time to visit. Expect temperatures to range from a cool 3°C (37°F) to a warm 26°C (79°F). During this month, you might experience 119 mm (4.7 in) of precipitation over approximately 13 days, so don’t forget your umbrella! With an average humidity of 69%, be prepared for a slightly humid atmosphere as well.
In May in Port Jefferson Station, 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 Port Jefferson Station in May, the precipitation amount is 119 mm (4.7 in) spread over 13 days.
In Port Jefferson Station 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 Port Jefferson Station 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 Port Jefferson Station.
UV Risk Categories
Weather in Port Jefferson Station varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Port Jefferson Station, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 80 mm (3.1 inches) | 84% | moderate |
| February Weather | 2°C (36°F) | 112 mm (4.4 inches) | 82% | moderate |
| March Weather | 4°C (40°F) | 104 mm (4.1 inches) | 81% | high |
| April Weather | 9°C (49°F) | 132 mm (5.2 inches) | 78% | very high |
| May Weather | 14°C (58°F) | 119 mm (4.7 inches) | 69% | very high |
| June Weather | 20°C (68°F) | 87 mm (3.4 inches) | 69% | very high |
| July Weather | 24°C (76°F) | 131 mm (5.2 inches) | 62% | very high |
| August Weather | 24°C (75°F) | 103 mm (4.0 inches) | 65% | very high |
| September Weather | 21°C (70°F) | 94 mm (3.7 inches) | 68% | very high |
| October Weather | 16°C (61°F) | 143 mm (5.6 inches) | 74% | high |
| November Weather | 9°C (49°F) | 103 mm (4.0 inches) | 82% | moderate |
| December Weather | 5°C (40°F) | 140 mm (5.5 inches) | 80% | low |