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March Weather in Bethel Island, United States

Last updated: June 24, 2025

In Bethel Island, United States during the month of March, the average temperature hovers around 13°C (56°F). Expect a range from a chilly minimum of 2°C (35°F) to a warm maximum of 28°C (83°F). The area experiences 70 mm (2.7 in) of precipitation spread over 9 days, with an average humidity of a high 82%. Prepare for a mix of weather as you explore!

March Temperature in Bethel Island

In March in Bethel Island, the average temperature is 13°C (56°F). The maximum can reach 28°C (83°F), while the minimum can dip as low as 2°C (35°F). This variability makes it advisable for travelers to pack layers and be prepared for both warm and cool weather.

March Weather in Bethel Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Bethel Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bethel Island, March typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (83°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec505356616570717170645650
Data source: Temperature data for Bethel Island 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 Bethel Island

In Bethel Island in March, the precipitation amount is 70 mm (2.7 in) over the course of 9 days.

March Precipitation Trends in Bethel Island

The chart displays monthly precipitation patterns in Bethel Island, 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 Bethel Island, March typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec100877030151001263883
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Bethel Island

In Bethel Island in March, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

March Average Humidity in Bethel Island

This chart illustrates the average monthly humidity levels in Bethel Island, 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 Bethel Island is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Bethel Island

In Bethel Island 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 Bethel Island.

Maximum UV Index Levels in Bethel Island for March

The chart shows the monthly maximum UV Index (UVI) for Bethel Island 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 Bethel Island typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109643
Data source: Bethel Island 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 Bethel Island Compares to Other Months

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

This table compares monthly weather conditions in Bethel Island, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)100 mm (4.0 inches)82%moderate
February Weather11°C (53°F)87 mm (3.4 inches)84%moderate
March Weather13°C (56°F)70 mm (2.7 inches)82%very high
April Weather16°C (61°F)30 mm (1.2 inches)78%very high
May Weather18°C (65°F)15 mm (0.6 inches)71%very high
June Weather21°C (70°F)1 mm (0.1 inches)64%extreme
July Weather22°C (71°F)0 mm (0.0 inches)58%extreme
August Weather22°C (71°F)0 mm (0.0 inches)54%very high
September Weather21°C (70°F)1 mm (0.0 inches)55%very high
October Weather18°C (64°F)26 mm (1.0 inches)62%high
November Weather13°C (56°F)38 mm (1.5 inches)78%moderate
December Weather10°C (50°F)83 mm (3.3 inches)80%moderate

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