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May Weather in Northampton, United States

Last updated: June 24, 2025

In Northampton, United States, the average temperature in May hovers around 16°C (61°F). Expect a range where the minimum can drop to 0°C (32°F), while the maximum may soar to 33°C (92°F). Prepare for 141 mm (5.5 in) of precipitation spread over 13 days this month, resulting in a notable humidity level of 75%.

May Temperature in Northampton

In May in Northampton, the average temperature is 16°C (61°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 0°C (32°F). Be prepared for a wide range of temperatures when traveling during this time.

May Weather in Northampton: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Northampton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Northampton, May typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (92°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec313440506170767367574236
Data source: Temperature data for Northampton 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 Northampton

In Northampton in May, the precipitation amount is 141 mm (5.5 in), falling over the course of 13 days.

May Precipitation Trends in Northampton

The chart displays monthly precipitation patterns in Northampton, 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 Northampton, May typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7510910011514110613614211112295110
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Northampton

In Northampton in May humidity is 75%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy embrace, making traveling somewhat uncomfortable as you may find yourself constantly adjusting your clothing and seeking shade to escape the sticky air.

May Average Humidity in Northampton

This chart illustrates the average monthly humidity levels in Northampton, 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 Northampton is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Northampton

In Northampton in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Northampton.

Maximum UV Index Levels in Northampton for May

The chart shows the monthly maximum UV Index (UVI) for Northampton 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 Northampton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Northampton 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 Northampton Compares to Other Months

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

This table compares monthly weather conditions in Northampton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)75 mm (2.9 inches)87%moderate
February Weather1°C (34°F)109 mm (4.3 inches)85%moderate
March Weather4°C (40°F)99 mm (3.9 inches)85%high
April Weather10°C (51°F)115 mm (4.5 inches)83%very high
May Weather16°C (61°F)141 mm (5.5 inches)75%very high
June Weather21°C (70°F)106 mm (4.2 inches)73%very high
July Weather24°C (76°F)136 mm (5.3 inches)65%very high
August Weather23°C (74°F)142 mm (5.6 inches)62%very high
September Weather20°C (68°F)111 mm (4.4 inches)66%very high
October Weather14°C (57°F)122 mm (4.8 inches)79%high
November Weather6°C (43°F)95 mm (3.7 inches)87%moderate
December Weather2°C (36°F)110 mm (4.3 inches)85%low

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