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April Weather in Millbury, United States

Last updated: June 24, 2025

In April, the average temperature in Millbury, United States hovers around 10°C (50°F), with extremes ranging from a brisk -6°C (22°F) to a warm 29°C (85°F). Expect 94 mm (3.7 in) of precipitation across approximately 13 days, contributing to a high average humidity of 87%. Be prepared for a blend of cool and mild weather during your visit!

April Temperature in Millbury

In April in Millbury, the average temperature is 10°C (50°F), with maximums reaching up to 29°C (85°F) and minimums dipping to as low as -6°C (22°F). Travelers should be prepared for a wide range of weather conditions, making layers essential for an enjoyable visit.

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

The chart illustrates April 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, April typically has an average temperature of 10°C (50°F), with highs reaching up to 29°C (85°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec293140496272767368574135
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.

April Precipitation in Millbury

In Millbury in April, the precipitation amount is 94 mm (3.7 in) spread over 13 days.

April Precipitation Trends in Millbury

The chart displays monthly precipitation patterns in Millbury, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Millbury, April typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec697282941471071198662918258
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Millbury

In Millbury in April humidity is 87%. With an average temperature of 10°C (50°F), this humidity feels like a heavy cloak wrapping around you, making every step feel laborious and the air thick with moisture, challenging your comfort while traveling.

April Average Humidity in Millbury

This chart illustrates the average monthly humidity levels in Millbury, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Millbury is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Millbury

In Millbury in April, 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 April

The chart shows the monthly maximum UV Index (UVI) for Millbury in April, 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 April, the maximum UV index in Millbury typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Millbury April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather4°C (40°F)82 mm (3.2 inches)87%high
April Weather10°C (50°F)94 mm (3.7 inches)87%very high
May Weather16°C (62°F)147 mm (5.8 inches)81%very high
June Weather22°C (72°F)107 mm (4.2 inches)82%very high
July Weather24°C (76°F)119 mm (4.7 inches)81%very high
August Weather23°C (74°F)86 mm (3.4 inches)78%very high
September Weather20°C (68°F)62 mm (2.4 inches)78%very high
October Weather14°C (57°F)91 mm (3.6 inches)82%high
November Weather5°C (42°F)82 mm (3.2 inches)89%moderate
December Weather1°C (35°F)57 mm (2.3 inches)86%low

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