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May Weather in Millbury, United States

Last updated: June 24, 2025

In May, the average temperature in Millbury, United States is a pleasant 14°C (58°F). Expect a minimum of 1°C (34°F) and a potential maximum of 34°C (93°F). During this month, precipitation averages 94 mm (3.7 in), typically spread over 12 days, contributing to the region's average humidity of 72%. Embrace the mild weather and prepare for occasional rain!

May Temperature in Millbury

In May, in Millbury, the average temperature is 14°C (58°F). The maximum can reach 34°C (93°F), while the minimum can drop as low as 1°C (34°F). This climate makes it ideal for travelers seeking diverse weather experiences, so make sure to pack accordingly!

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

The chart illustrates May temperature patterns in Millbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Millbury, May typically has an average temperature of 14°C (58°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec293237475868737265554133
Data source: Temperature data for Millbury generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Millbury

In Millbury in May, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

May Precipitation Trends in Millbury

The chart displays monthly precipitation patterns in Millbury, 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. In Millbury, May typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec728890130949515010193141101124
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Millbury

In Millbury in May, humidity is 72%. With an average temperature of 14°C (58°F), this humidity feels like a damp blanket wrapping around you, making walking and exploring slightly uncomfortable and requiring frequent breaks for hydration.

May Average Humidity in Millbury

This chart illustrates the average monthly humidity levels in Millbury, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Millbury is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Millbury

In Millbury 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 Millbury.

Maximum UV Index Levels in Millbury for May

The chart shows the monthly maximum UV Index (UVI) for Millbury 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. In May, the maximum UV index in Millbury typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910997642
Data source: Millbury 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.

How May Weather in Millbury Compares to Other Months

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.

This table compares monthly weather conditions in Millbury, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)72 mm (2.8 inches)86%moderate
February Weather0°C (32°F)88 mm (3.5 inches)84%moderate
March Weather3°C (37°F)90 mm (3.5 inches)82%high
April Weather9°C (48°F)130 mm (5.1 inches)80%very high
May Weather14°C (58°F)94 mm (3.7 inches)72%very high
June Weather20°C (68°F)95 mm (3.7 inches)72%very high
July Weather23°C (74°F)150 mm (5.9 inches)67%very high
August Weather22°C (73°F)101 mm (4.0 inches)66%very high
September Weather19°C (66°F)93 mm (3.7 inches)71%high
October Weather13°C (55°F)141 mm (5.5 inches)78%high
November Weather5°C (42°F)101 mm (4.0 inches)84%moderate
December Weather0°C (33°F)123 mm (4.9 inches)81%low

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