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March Weather in Jamestown, United States

Last updated: June 24, 2025

In March, the average temperature in Jamestown, United States hovers around 1°C (35°F). While temperatures can dip as low as -20°C (-4°F), they may also rise to a pleasant 22°C (72°F). Expect a fair amount of precipitation, with about 101 mm (4.0 in) spread across 15 days, and a noteworthy average humidity of 89%.

March Temperature in Jamestown

In March in Jamestown, the average temperature is 1°C (35°F). The maximum can reach 22°C (72°F) and the minimum can be as low as -20°C (-4°F). Be prepared for a wide range of temperatures if you plan to travel 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 1°C (35°F), with highs reaching up to 22°C (72°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834455765706862523731
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 total precipitation amount is 101 mm (4.0 in) over the course of 15 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 101 mm (4.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec10011210112713914013510690131116110
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 89%. With an average temperature of 1°C (35°F), this humidity feels like a chilly dampness enveloping you, making traveling quite uncomfortable as every breath brings a lingering chill and the air feels heavy, often leading to a sense of unease as you navigate through the damp conditions.

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 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Jamestown, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
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 Weather-4°C (25°F)100 mm (3.9 inches)89%moderate
February Weather-2°C (28°F)112 mm (4.4 inches)90%moderate
March Weather1°C (35°F)101 mm (4.0 inches)89%high
April Weather7°C (45°F)127 mm (5.0 inches)88%very high
May Weather14°C (57°F)139 mm (5.5 inches)80%very high
June Weather18°C (66°F)140 mm (5.5 inches)79%very high
July Weather21°C (70°F)135 mm (5.3 inches)74%very high
August Weather20°C (68°F)106 mm (4.2 inches)64%very high
September Weather17°C (63°F)90 mm (3.5 inches)67%very high
October Weather11°C (52°F)131 mm (5.2 inches)81%high
November Weather3°C (38°F)116 mm (4.6 inches)89%moderate
December Weather-1°C (31°F)110 mm (4.3 inches)88%low

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