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March Weather in Bristol, United States

Last updated: June 24, 2025

In Bristol, United States, the average temperature in March hovers around 9°C (49°F). Expect temperature extremes, with a biting minimum of -13°C (10°F) and a maximum of 27°C (81°F). Be prepared for 124 mm (4.9 in) of precipitation over 14 days, contributing to a high average humidity of 86%.

March Temperature in Bristol

In March in Bristol, the average temperature is 9°C (49°F). The maximum can reach 27°C (81°F), while the minimum can drop as low as -13°C (10°F). Be sure to pack accordingly for diverse weather conditions if you're planning to travel during this time.

March Weather in Bristol: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Bristol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bristol, March typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -13°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec384449566571757470604642
Data source: Temperature data for 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.

March Precipitation in Bristol

In Bristol in March, the precipitation amount is 124 mm (4.9 in) over a span of 14 days.

March Precipitation Trends in Bristol

The chart displays monthly precipitation patterns in Bristol, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Bristol, March typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec971451241291069671868011078123
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Bristol

In Bristol in March, humidity is 86%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill in the air, making travel uncomfortable as the moisture clings to your skin and thickens the atmosphere, creating a sense of heaviness that can tire you quickly.

March Average Humidity in Bristol

This chart illustrates the average monthly humidity levels in Bristol, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Bristol is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Bristol

In Bristol in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Bristol.

Maximum UV Index Levels in Bristol for March

The chart shows the monthly maximum UV Index (UVI) for Bristol in March, 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 March, the maximum UV index in Bristol typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010853
Data source: Bristol March 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 March Weather in Bristol Compares to Other Months

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

This table compares monthly weather conditions in Bristol, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (39°F)97 mm (3.8 inches)87%moderate
February Weather7°C (44°F)145 mm (5.7 inches)87%high
March Weather9°C (49°F)124 mm (4.9 inches)86%very high
April Weather13°C (56°F)129 mm (5.1 inches)84%very high
May Weather18°C (66°F)106 mm (4.2 inches)83%extreme
June Weather22°C (71°F)96 mm (3.8 inches)83%extreme
July Weather24°C (76°F)71 mm (2.8 inches)79%extreme
August Weather23°C (74°F)86 mm (3.4 inches)66%very high
September Weather21°C (70°F)80 mm (3.1 inches)68%very high
October Weather16°C (60°F)110 mm (4.3 inches)78%very high
November Weather8°C (46°F)78 mm (3.1 inches)89%moderate
December Weather6°C (42°F)123 mm (4.8 inches)86%moderate

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