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July Weather in Boston, Ireland

Last updated: August 23, 2025

In July, the average temperature in Boston, Ireland hovers around 16°C (60°F), with a minimum of 7°C (44°F) and a maximum reaching 29°C (84°F). Expect precipitation to amount to 84 mm (3.3 in) spread over 14 days, and be prepared for a rather humid experience, as the average humidity level stands at an impressive 85%.

July Temperature in Boston

In July, in Boston, the average temperature is 16°C (60°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 7°C (44°F). This pleasant climate makes Boston an ideal destination for travelers seeking a mild and enjoyable experience.

July Weather in Boston: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Boston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boston, July typically has an average temperature of 16°C (60°F), with highs reaching up to 29°C (84°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec434445485357605956514745
Data source: Temperature data for Boston 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.

July Precipitation in Boston

In Boston in July, the precipitation amount is 84 mm (3.3 in) over the course of 14 days.

July Precipitation Trends in Boston

The chart displays monthly precipitation patterns in Boston, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Boston, July typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec8613811261687684133102121105131
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Boston

In Boston in July, humidity is 85%. With an average temperature of 16°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel like a slow, sticky experience where every step seems to require extra effort.

July Average Humidity in Boston

This chart illustrates the average monthly humidity levels in Boston, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Boston is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%86%83%83%85%85%88%91%92%89%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Boston

In Boston in July, 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 Boston.

Maximum UV Index Levels in Boston for July

The chart shows the monthly maximum UV Index (UVI) for Boston in July, 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 July, the maximum UV index in Boston typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Boston July 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 July Weather in Boston Compares to Other Months

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

This table compares monthly weather conditions in Boston, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)86 mm (3.4 inches)88%low
February Weather7°C (44°F)138 mm (5.4 inches)88%low
March Weather7°C (45°F)112 mm (4.4 inches)87%moderate
April Weather9°C (49°F)61 mm (2.4 inches)86%moderate
May Weather12°C (53°F)68 mm (2.7 inches)83%high
June Weather14°C (57°F)76 mm (3.0 inches)83%very high
July Weather16°C (60°F)84 mm (3.3 inches)85%very high
August Weather15°C (59°F)133 mm (5.2 inches)85%high
September Weather13°C (56°F)102 mm (4.0 inches)88%moderate
October Weather11°C (52°F)121 mm (4.8 inches)91%moderate
November Weather8°C (47°F)105 mm (4.1 inches)92%low
December Weather7°C (45°F)131 mm (5.2 inches)89%low

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