May Weather in New Boston, United States

Last updated: June 24, 2025

In May, the average temperature in New Boston, United States hovers around 17°C (63°F), with fluctuations ranging from a chilly 3°C (37°F) to a scorching 36°C (96°F). This month brings about 155 mm (6.1 in) of precipitation spread over 15 days, contributing to an average humidity level of 78%. Prepare for a month that balances warmth and moisture!

May Temperature in New Boston

In May in New Boston, the average temperature is 17°C (63°F), with maximums reaching up to 36°C (96°F) and minimums dipping as low as 3°C (37°F). This diverse range of temperatures makes it essential for travelers to pack accordingly to enjoy their stay comfortably.

May Weather in New Boston: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in New Boston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Boston, May typically has an average temperature of 17°C (63°F), with highs reaching up to 36°C (96°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec242741506374777469553933
Data source: Temperature data for New 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.

May Precipitation in New Boston

In New Boston in May, the precipitation amount is 155 mm (6.1 in) over a period of 15 days.

May Precipitation Trends in New Boston

The chart displays monthly precipitation patterns in New Boston, 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 New Boston, May typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5360949215513379651051295148
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in New Boston

In New Boston in May, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

May Average Humidity in New Boston

This chart illustrates the average monthly humidity levels in New Boston, 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 New Boston is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in New Boston

In New Boston 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 New Boston.

Maximum UV Index Levels in New Boston for May

The chart shows the monthly maximum UV Index (UVI) for New Boston 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 New Boston typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098642
Data source: New Boston 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 New Boston Compares to Other Months

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

This table compares monthly weather conditions in New Boston, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)53 mm (2.1 inches)81%moderate
February Weather-3°C (27°F)60 mm (2.4 inches)81%moderate
March Weather5°C (41°F)94 mm (3.7 inches)81%high
April Weather10°C (50°F)92 mm (3.6 inches)82%very high
May Weather17°C (63°F)155 mm (6.1 inches)78%very high
June Weather24°C (75°F)133 mm (5.2 inches)81%extreme
July Weather25°C (78°F)79 mm (3.1 inches)79%very high
August Weather24°C (75°F)64 mm (2.5 inches)77%very high
September Weather21°C (69°F)105 mm (4.1 inches)78%very high
October Weather13°C (55°F)129 mm (5.1 inches)78%high
November Weather4°C (40°F)51 mm (2.0 inches)87%moderate
December Weather0°C (33°F)48 mm (1.9 inches)84%low

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