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March Weather in Bethesda, United Kingdom

Last updated: August 27, 2025

In March, the average temperature in Bethesda, United Kingdom is a cool 7°C (44°F). You can expect temperatures to range from a brisk minimum of -6°C (22°F) to a comfortable maximum of 18°C (65°F). During this time, precipitation averages 105 mm (4.1 in) over approximately 17 days, accompanied by a notable average humidity of 86%. Whether you're exploring the outdoors or cozying up indoors, be prepared for a mix of chilly weather and frequent showers!

March Temperature in Bethesda

In March in Bethesda, the average temperature is 7°C (44°F). Maximums can reach 18°C (65°F), and minimums can be as low as -6°C (22°F). Be prepared for a mix of mild days and chilly nights when visiting during this time.

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

The chart illustrates March temperature patterns in Bethesda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bethesda, March typically has an average temperature of 7°C (44°F), with highs reaching up to 18°C (65°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec424344475258616056524643
Data source: Temperature data for Bethesda 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 Bethesda

In Bethesda in March, the precipitation amount is 105 mm (4.1 in) over a period of 17 days.

March Precipitation Trends in Bethesda

The chart displays monthly precipitation patterns in Bethesda, 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 Bethesda, March typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec7810310558789893109101122103128
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Bethesda

In Bethesda in March, humidity is 86%. With an average temperature of 7°C (44°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite uninviting.

March Average Humidity in Bethesda

This chart illustrates the average monthly humidity levels in Bethesda, 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 Bethesda is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Bethesda

In Bethesda in March, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Bethesda for better planning.

Maximum UV Index Levels in Bethesda for March

The chart shows the monthly maximum UV Index (UVI) for Bethesda 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 Bethesda typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Bethesda 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 Bethesda Compares to Other Months

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

This table compares monthly weather conditions in Bethesda, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)78 mm (3.1 inches)89%low
February Weather6°C (43°F)103 mm (4.1 inches)88%low
March Weather7°C (44°F)105 mm (4.1 inches)86%moderate
April Weather9°C (48°F)58 mm (2.3 inches)84%moderate
May Weather11°C (53°F)78 mm (3.1 inches)79%high
June Weather15°C (58°F)98 mm (3.8 inches)81%very high
July Weather16°C (61°F)93 mm (3.7 inches)78%very high
August Weather15°C (60°F)109 mm (4.3 inches)79%high
September Weather14°C (57°F)100 mm (4.0 inches)85%moderate
October Weather11°C (52°F)122 mm (4.8 inches)90%moderate
November Weather8°C (46°F)103 mm (4.1 inches)91%low
December Weather6°C (44°F)128 mm (5.0 inches)89%low

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