Last updated: June 24, 2025
In May, the average temperature in Middletown, United States hovers around 15°C (60°F), with extremes ranging from a chilly -3°C (28°F) to a sizzling 36°C (96°F). The region experiences 115 mm (4.5 in) of precipitation over 14 days, contributing to an average humidity of 80%. Whether you enjoy the warmth or the cool, be prepared for a mix of weather!
In May in Middletown, the average temperature is 15°C (60°F), with maximums reaching up to 36°C (96°F) and minimums dropping as low as -3°C (28°F). Travelers should be prepared for a wide range of temperatures, making layers and versatile clothing essential for their visit.
In Middletown in May, the precipitation amount is 115 mm (4.5 in) over the course of 14 days.
In Middletown in May humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.
In Middletown in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Middletown.
UV Risk Categories
Weather in Middletown varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Middletown, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 62 mm (2.4 inches) | 88% | low |
| February Weather | -3°C (27°F) | 65 mm (2.6 inches) | 87% | moderate |
| March Weather | 2°C (36°F) | 63 mm (2.5 inches) | 85% | moderate |
| April Weather | 8°C (46°F) | 89 mm (3.5 inches) | 86% | very high |
| May Weather | 15°C (60°F) | 115 mm (4.5 inches) | 80% | very high |
| June Weather | 21°C (70°F) | 115 mm (4.5 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 71 mm (2.8 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 72 mm (2.8 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 94 mm (3.7 inches) | 80% | high |
| October Weather | 12°C (53°F) | 112 mm (4.4 inches) | 84% | moderate |
| November Weather | 3°C (38°F) | 63 mm (2.5 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 58 mm (2.3 inches) | 86% | low |