Last updated: June 24, 2025
In Millbury, United States, the average temperature in May hovers around 16°C (62°F), making it a generally mild time of year. However, prepare for a range of temperatures; you might experience a chilly minimum of -1°C (31°F) or a balmy maximum of 34°C (94°F). Expect a fair amount of rain too, with 147 mm (5.8 in) of precipitation spread over about 14 days. Additionally, the average humidity level is quite high at 81%, contributing to a lush atmosphere.
In May in Millbury, the average temperature is 16°C (62°F). Maximum temperatures can reach up to 34°C (94°F), while minimums can drop as low as -1°C (31°F). This variability in weather conditions makes Millbury an ideal destination for travelers seeking a diverse climate experience.
In Millbury in May, the total precipitation amount is 147 mm (5.8 in) over the course of 14 days.
In Millbury in May, humidity is 81%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace that can quickly leave travelers feeling sticky and drained, making outdoor adventures a bit challenging unless they stay properly hydrated and take breaks in the shade.
In Millbury 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 Millbury.
UV Risk Categories
Weather in Millbury varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Millbury, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 69 mm (2.7 inches) | 88% | moderate |
| February Weather | -1°C (31°F) | 72 mm (2.8 inches) | 87% | moderate |
| March Weather | 4°C (40°F) | 82 mm (3.2 inches) | 87% | high |
| April Weather | 10°C (50°F) | 94 mm (3.7 inches) | 87% | very high |
| May Weather | 16°C (62°F) | 147 mm (5.8 inches) | 81% | very high |
| June Weather | 22°C (72°F) | 107 mm (4.2 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 119 mm (4.7 inches) | 81% | very high |
| August Weather | 23°C (74°F) | 86 mm (3.4 inches) | 78% | very high |
| September Weather | 20°C (68°F) | 62 mm (2.4 inches) | 78% | very high |
| October Weather | 14°C (57°F) | 91 mm (3.6 inches) | 82% | high |
| November Weather | 5°C (42°F) | 82 mm (3.2 inches) | 89% | moderate |
| December Weather | 1°C (35°F) | 57 mm (2.3 inches) | 86% | low |