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March Weather in Jamestown, United States

Last updated: June 24, 2025

In Jamestown, United States, the average temperature in March hovers around 11°C (52°F). During this time, you can expect a minimum of -5°C (22°F) and a maximum of 30°C (86°F). With an average precipitation of 87 mm (3.4 in) spread over 11 days, the weather can be quite changeable. Additionally, the average humidity sits at a noticeable 84%, creating a damp atmosphere throughout the month.

March Temperature in Jamestown

In March in Jamestown, the average temperature is 11°C (52°F). The maximum can reach 30°C (86°F), while the minimum can drop as low as -5°C (22°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates March temperature patterns in Jamestown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jamestown, March typically has an average temperature of 11°C (52°F), with highs reaching up to 30°C (86°F) and lows dropping to around -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec414651606975807773634945
Data source: Temperature data for Jamestown 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 Jamestown

In Jamestown in March, the precipitation amount is 87 mm (3.4 in) over the course of 11 days.

March Precipitation Trends in Jamestown

The chart displays monthly precipitation patterns in Jamestown, 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 Jamestown, March typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec88121871091201069712713710482109
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Jamestown

In Jamestown in March, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

March Average Humidity in Jamestown

This chart illustrates the average monthly humidity levels in Jamestown, 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 Jamestown is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Jamestown

In Jamestown 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 Jamestown.

Maximum UV Index Levels in Jamestown for March

The chart shows the monthly maximum UV Index (UVI) for Jamestown 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 Jamestown typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101110109853
Data source: Jamestown 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 Jamestown Compares to Other Months

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

This table compares monthly weather conditions in Jamestown, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)88 mm (3.5 inches)86%moderate
February Weather8°C (47°F)121 mm (4.8 inches)85%high
March Weather11°C (52°F)87 mm (3.4 inches)84%very high
April Weather16°C (60°F)109 mm (4.3 inches)82%very high
May Weather21°C (69°F)120 mm (4.7 inches)83%very high
June Weather24°C (76°F)106 mm (4.2 inches)82%extreme
July Weather27°C (80°F)97 mm (3.8 inches)80%very high
August Weather25°C (78°F)127 mm (5.0 inches)74%very high
September Weather23°C (73°F)137 mm (5.4 inches)75%very high
October Weather17°C (64°F)104 mm (4.1 inches)79%very high
November Weather9°C (49°F)82 mm (3.2 inches)87%moderate
December Weather7°C (45°F)109 mm (4.3 inches)87%moderate

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