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April Weather in Jamestown, United States

Last updated: June 24, 2025

In April, the average temperature in Jamestown, United States hovers around 9°C (48°F). While it can dip as low as -5°C (23°F), the mercury can also rise to a maximum of 28°C (83°F). Expect 130 mm (5.1 in) of precipitation spread over 16 days, contributing to an average humidity of 87%.

April Temperature in Jamestown

In April in Jamestown, the average temperature is 9°C (48°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates April 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, April typically has an average temperature of 9°C (48°F), with highs reaching up to 28°C (83°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec283138486068737166554034
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.

April Precipitation in Jamestown

In Jamestown in April, the precipitation amount is 130 mm (5.1 in) spread over 16 days.

April Precipitation Trends in Jamestown

The chart displays monthly precipitation patterns in Jamestown, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Jamestown, April typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec96102111130140138138102100124105102
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Jamestown

In Jamestown in April humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

April Average Humidity in Jamestown

This chart illustrates the average monthly humidity levels in Jamestown, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Jamestown is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Jamestown

In Jamestown in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Jamestown.

Maximum UV Index Levels in Jamestown for April

The chart shows the monthly maximum UV Index (UVI) for Jamestown in April, 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 April, the maximum UV index in Jamestown typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910101098642
Data source: Jamestown April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)96 mm (3.8 inches)88%moderate
February Weather-1°C (31°F)102 mm (4.0 inches)88%moderate
March Weather3°C (38°F)111 mm (4.4 inches)87%high
April Weather9°C (48°F)130 mm (5.1 inches)87%very high
May Weather15°C (60°F)140 mm (5.5 inches)81%very high
June Weather20°C (68°F)138 mm (5.4 inches)83%very high
July Weather23°C (73°F)138 mm (5.4 inches)82%very high
August Weather21°C (71°F)102 mm (4.0 inches)76%very high
September Weather19°C (66°F)100 mm (3.9 inches)77%very high
October Weather13°C (55°F)124 mm (4.9 inches)82%high
November Weather4°C (40°F)105 mm (4.1 inches)89%moderate
December Weather1°C (34°F)102 mm (4.0 inches)86%low

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