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.
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.
In Blue Hills in April, the precipitation amount is 126 mm (5.0 in) over the course of 12 days.
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.
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.
UV Risk Categories
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.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 67 mm (2.6 inches) | 84% | moderate |
| February Weather | 1°C (33°F) | 86 mm (3.4 inches) | 82% | moderate |
| March Weather | 4°C (39°F) | 88 mm (3.5 inches) | 81% | high |
| April Weather | 9°C (49°F) | 126 mm (5.0 inches) | 78% | very high |
| May Weather | 15°C (60°F) | 113 mm (4.4 inches) | 69% | very high |
| June Weather | 21°C (69°F) | 84 mm (3.3 inches) | 69% | very high |
| July Weather | 24°C (75°F) | 147 mm (5.8 inches) | 62% | very high |
| August Weather | 23°C (74°F) | 90 mm (3.5 inches) | 65% | very high |
| September Weather | 19°C (67°F) | 102 mm (4.0 inches) | 68% | very high |
| October Weather | 13°C (57°F) | 134 mm (5.3 inches) | 74% | high |
| November Weather | 6°C (43°F) | 90 mm (3.5 inches) | 82% | moderate |
| December Weather | 1°C (34°F) | 120 mm (4.7 inches) | 80% | low |