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May Weather in Fall River, Canada

Last updated: June 18, 2025

In Fall River, Canada, the average temperature in May hovers around 9°C (49°F). Be prepared for a range that can dip to a chilly -3°C (26°F) at its lowest and soar to a warm 27°C (82°F) at its peak. The month sees 93 mm (3.7 in) of precipitation spread over 13 days, contributing to an average humidity level of 82%.

May Temperature in Fall River

In May in Fall River, the average temperature is 9°C (49°F). The maximum can reach 27°C (82°F), and the minimum can be as low as -3°C (26°F). It's essential to pack layers and be prepared for varying weather conditions while traveling during this time.

May Weather in Fall River: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Fall River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fall River, May typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (82°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec272731414959666761514132
Data source: Temperature data for Fall River 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 Fall River

In Fall River in May, the total precipitation amount is 93 mm (3.7 in), which falls over the course of 13 days.

May Precipitation Trends in Fall River

The chart displays monthly precipitation patterns in Fall River, 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 Fall River, May typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9712210312293999177104109149127
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Fall River

In Fall River in May, humidity is 82%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and prompting travelers to seek warmth indoors or in cozy cafes.

May Average Humidity in Fall River

This chart illustrates the average monthly humidity levels in Fall River, 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 Fall River is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%82%82%82%84%86%85%83%83%85%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Fall River

In Fall River 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 Fall River.

Maximum UV Index Levels in Fall River for May

The chart shows the monthly maximum UV Index (UVI) for Fall River 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 Fall River typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Fall River 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 Fall River Compares to Other Months

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

This table compares monthly weather conditions in Fall River, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)97 mm (3.8 inches)82%low
February Weather-3°C (27°F)122 mm (4.8 inches)83%moderate
March Weather0°C (32°F)103 mm (4.1 inches)82%moderate
April Weather5°C (41°F)122 mm (4.8 inches)82%high
May Weather9°C (49°F)93 mm (3.7 inches)82%very high
June Weather15°C (59°F)99 mm (3.9 inches)84%very high
July Weather19°C (66°F)91 mm (3.6 inches)86%very high
August Weather20°C (67°F)77 mm (3.0 inches)85%very high
September Weather16°C (61°F)104 mm (4.1 inches)83%high
October Weather11°C (51°F)109 mm (4.3 inches)83%moderate
November Weather5°C (42°F)149 mm (5.9 inches)85%moderate
December Weather0°C (32°F)127 mm (5.0 inches)83%low

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