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May Weather in South Bristol, United States

Last updated: June 24, 2025

In May, the average temperature in South Bristol, United States hovers around 10°C (50°F). Expect a minimum of 2°C (37°F) and a pleasant maximum of 18°C (64°F). Be prepared for some rain, as 84 mm (3.3 in) of precipitation is expected over approximately 10 days, accompanied by an average humidity of 79%.

May Temperature in South Bristol

In May in South Bristol, the average temperature is 10°C (50°F), with maximums reaching 18°C (64°F) and minimums dropping as low as 2°C (37°F). It's advisable to pack layers and prepare for varying weather conditions while enjoying your travels.

May Weather in South Bristol: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in South Bristol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Bristol, May typically has an average temperature of 10°C (50°F), with highs reaching up to 18°C (64°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec303134425059656762544335
Data source: Temperature data for South Bristol 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 South Bristol

In South Bristol in May, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

May Precipitation Trends in South Bristol

The chart displays monthly precipitation patterns in South Bristol, 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 South Bristol, May typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec981018613884741017490143123138
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in South Bristol

In South Bristol in May humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.

May Average Humidity in South Bristol

This chart illustrates the average monthly humidity levels in South Bristol, 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 South Bristol is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%79%79%86%85%83%80%77%80%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in South Bristol

In South Bristol 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 South Bristol.

Maximum UV Index Levels in South Bristol for May

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

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

This table compares monthly weather conditions in South Bristol, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)98 mm (3.9 inches)85%low
February Weather0°C (32°F)101 mm (4.0 inches)86%moderate
March Weather1°C (35°F)86 mm (3.4 inches)84%moderate
April Weather6°C (43°F)138 mm (5.4 inches)79%high
May Weather10°C (50°F)84 mm (3.3 inches)79%very high
June Weather15°C (59°F)74 mm (2.9 inches)86%very high
July Weather18°C (65°F)101 mm (4.0 inches)85%very high
August Weather19°C (67°F)74 mm (2.9 inches)83%very high
September Weather17°C (62°F)89 mm (3.5 inches)80%high
October Weather12°C (55°F)143 mm (5.6 inches)77%moderate
November Weather6°C (44°F)123 mm (4.8 inches)80%moderate
December Weather1°C (35°F)138 mm (5.4 inches)81%low

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