nomadseason

May Weather in Lowell, United States

Last updated: June 24, 2025

In May, the average temperature in Lowell, United States hovers around 17°C (62°F). However, be prepared for a wide range of temperatures, with a minimum dipping to -3°C (28°F) and a maximum soaring to 35°C (95°F). During this month, expect about 163 mm (6.4 in) of precipitation spread over 15 days, contributing to an average humidity level of 79%.

May Temperature in Lowell

In May in Lowell, the average temperature is 17°C (62°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as -3°C (28°F). Be sure to pack for a wide range of temperatures if you're planning to travel during this time!

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

The chart illustrates May temperature patterns in Lowell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lowell, May typically has an average temperature of 17°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec272940506273767468554034
Data source: Temperature data for Lowell generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Lowell

In Lowell in May, the total precipitation amount is 163 mm (6.4 in) spread over 15 days.

May Precipitation Trends in Lowell

The chart displays monthly precipitation patterns in Lowell, 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 Lowell, May typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec707198118163120109101741326657
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Lowell

In Lowell in May humidity is 79%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket wrapping around you, making strolling through the streets a bit heavier but still comfortably refreshing for travelers.

May Average Humidity in Lowell

This chart illustrates the average monthly humidity levels in Lowell, 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 Lowell is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lowell

In Lowell 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 Lowell.

Maximum UV Index Levels in Lowell for May

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

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

This table compares monthly weather conditions in Lowell, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)70 mm (2.8 inches)82%moderate
February Weather-2°C (29°F)71 mm (2.8 inches)83%moderate
March Weather5°C (41°F)98 mm (3.9 inches)84%high
April Weather10°C (50°F)118 mm (4.6 inches)85%very high
May Weather17°C (62°F)163 mm (6.4 inches)79%very high
June Weather23°C (73°F)120 mm (4.7 inches)82%very high
July Weather24°C (76°F)109 mm (4.3 inches)80%very high
August Weather23°C (74°F)101 mm (4.0 inches)81%very high
September Weather20°C (69°F)74 mm (2.9 inches)80%very high
October Weather13°C (56°F)132 mm (5.2 inches)82%high
November Weather4°C (40°F)66 mm (2.6 inches)88%moderate
December Weather1°C (34°F)56 mm (2.2 inches)84%low

Compare Lowell's Climate with Cities Worldwide