April Weather in Blue Hills, United States

Last updated: June 24, 2025

In April, the average temperature in Blue Hills, United States hovers around 9°C (49°F), offering a cool yet pleasant atmosphere. Expect temperatures to vary, with a minimum drop of -6°C (22°F) and occasional peaks reaching up to 29°C (85°F). Rainfall measures approximately 126 mm (5.0 in) over 12 days, contributing to an average humidity of 78%. Whether you're exploring or relaxing, this month unfolds a unique weather experience.

April Temperature in Blue Hills

In April in Blue Hills, the average temperature is 9°C (49°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as -6°C (22°F). It's advisable to pack both warm and light clothing to accommodate the temperature fluctuations during your travels.

April Weather in Blue Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Blue Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blue Hills, April typically has an average temperature of 9°C (49°F), with highs reaching up to 29°C (85°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec303339496069757366564234
Data source: Temperature data for Blue Hills 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 Blue Hills

In Blue Hills in April, the precipitation amount is 126 mm (5.0 in) over the course of 12 days.

April Precipitation Trends in Blue Hills

The chart displays monthly precipitation patterns in Blue Hills, 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 Blue Hills, April typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec678688126113841479010213490120
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Blue Hills

In Blue Hills in April, humidity is 78%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling, as the cool air combines with the moisture to create a brisk and invigorating atmosphere.

April Average Humidity in Blue Hills

This chart illustrates the average monthly humidity levels in Blue Hills, 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 Blue Hills is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Blue Hills

In Blue Hills in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Blue Hills.

Maximum UV Index Levels in Blue Hills for April

The chart shows the monthly maximum UV Index (UVI) for Blue Hills 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 Blue Hills typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
Data source: Blue Hills 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 Blue Hills Compares to Other Months

Weather in Blue Hills varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Blue Hills, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Blue Hills, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)67 mm (2.6 inches)84%moderate
February Weather1°C (33°F)86 mm (3.4 inches)82%moderate
March Weather4°C (39°F)88 mm (3.5 inches)81%high
April Weather9°C (49°F)126 mm (5.0 inches)78%very high
May Weather15°C (60°F)113 mm (4.4 inches)69%very high
June Weather21°C (69°F)84 mm (3.3 inches)69%very high
July Weather24°C (75°F)147 mm (5.8 inches)62%very high
August Weather23°C (74°F)90 mm (3.5 inches)65%very high
September Weather19°C (67°F)102 mm (4.0 inches)68%very high
October Weather13°C (57°F)134 mm (5.3 inches)74%high
November Weather6°C (43°F)90 mm (3.5 inches)82%moderate
December Weather1°C (34°F)120 mm (4.7 inches)80%low

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