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May Weather in North Smithfield, United States

Last updated: June 24, 2025

In May, the average temperature in North Smithfield, United States is a pleasant 15°C (59°F). However, temperatures can swing from a chilly 1°C (35°F) to a warm 34°C (94°F). Expect around 100 mm (3.9 in) of precipitation over 12 days, with humidity hovering around 75%.

May Temperature in North Smithfield

In May in North Smithfield, the average temperature is 15°C (59°F). Maximums can reach 34°C (94°F), while minimums can drop as low as 1°C (35°F). Be prepared for a wide range of temperatures, making layering an essential part of your travel wardrobe.

May Weather in North Smithfield: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in North Smithfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Smithfield, May typically has an average temperature of 15°C (59°F), with highs reaching up to 34°C (94°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec313338485968747366564334
Data source: Temperature data for North Smithfield 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 North Smithfield

In North Smithfield in May, the precipitation amount is 100 mm (3.9 in) over the course of 12 days.

May Precipitation Trends in North Smithfield

The chart displays monthly precipitation patterns in North Smithfield, 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 North Smithfield, May typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec70869612610095137949014197119
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in North Smithfield

In North Smithfield in May, humidity is 75%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it feel more oppressive than refreshing, which can be a challenge for travelers seeking comfort while exploring the area.

May Average Humidity in North Smithfield

This chart illustrates the average monthly humidity levels in North Smithfield, 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 North Smithfield is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in North Smithfield

In North Smithfield 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 North Smithfield.

Maximum UV Index Levels in North Smithfield for May

The chart shows the monthly maximum UV Index (UVI) for North Smithfield 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 North Smithfield typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: North Smithfield 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 North Smithfield Compares to Other Months

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

This table compares monthly weather conditions in North Smithfield, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)70 mm (2.8 inches)84%moderate
February Weather1°C (34°F)86 mm (3.4 inches)84%moderate
March Weather4°C (39°F)96 mm (3.8 inches)82%high
April Weather9°C (49°F)126 mm (5.0 inches)79%very high
May Weather15°C (59°F)100 mm (3.9 inches)75%very high
June Weather20°C (69°F)95 mm (3.7 inches)78%very high
July Weather23°C (74°F)137 mm (5.4 inches)76%very high
August Weather23°C (73°F)94 mm (3.7 inches)76%very high
September Weather19°C (66°F)90 mm (3.5 inches)75%very high
October Weather13°C (56°F)141 mm (5.6 inches)75%high
November Weather6°C (43°F)97 mm (3.8 inches)80%moderate
December Weather1°C (35°F)119 mm (4.7 inches)80%low

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