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June Weather in Jamestown, United States

Last updated: June 24, 2025

In Jamestown, United States, the average temperature in June hovers around 20°C (68°F), with a minimum dipping to 5°C (42°F) and a maximum soaring up to 38°C (100°F). Expect about 83 mm (3.2 in) of precipitation spread over 9 days, accompanied by an average humidity of 78%. Stay prepared for a mix of warm days and refreshing rain!

June Temperature in Jamestown

In June in Jamestown, the average temperature is 20°C (68°F). Maximum temperatures can reach up to 38°C (100°F), while the minimum can dip as low as 5°C (42°F). This diverse temperature range makes Jamestown an exciting destination for travelers looking to experience both warm days and cooler evenings.

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

The chart illustrates June 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, June typically has an average temperature of 20°C (68°F), with highs reaching up to 38°C (100°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec12927385568716859432919
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.

June Precipitation in Jamestown

In Jamestown, in June, the precipitation amount is 83 mm (3.2 in) spread over a period of 9 days.

June Precipitation Trends in Jamestown

The chart displays monthly precipitation patterns in Jamestown, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Jamestown, June typically receives around 83 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1719253856838710471741935
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Jamestown

In Jamestown in June humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

June Average Humidity in Jamestown

This chart illustrates the average monthly humidity levels in Jamestown, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Jamestown is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%89%82%79%74%78%76%77%72%74%85%85%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Jamestown

In Jamestown in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Jamestown.

Maximum UV Index Levels in Jamestown for June

The chart shows the monthly maximum UV Index (UVI) for Jamestown in June, 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 June, the maximum UV index in Jamestown typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
Data source: Jamestown June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)17 mm (0.7 inches)87%low
February Weather-13°C (10°F)19 mm (0.8 inches)89%moderate
March Weather-3°C (27°F)25 mm (1.0 inches)82%moderate
April Weather4°C (39°F)38 mm (1.5 inches)79%very high
May Weather13°C (55°F)56 mm (2.2 inches)74%very high
June Weather20°C (68°F)83 mm (3.2 inches)78%very high
July Weather22°C (72°F)87 mm (3.4 inches)76%very high
August Weather20°C (68°F)104 mm (4.1 inches)77%very high
September Weather15°C (60°F)71 mm (2.8 inches)72%high
October Weather6°C (43°F)74 mm (2.9 inches)74%moderate
November Weather-2°C (29°F)19 mm (0.7 inches)85%moderate
December Weather-7°C (19°F)35 mm (1.4 inches)84%low

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