June Weather in Jamestown, United States

Last updated: June 24, 2025

In Jamestown, United States, the average temperature in June hovers around 22°C (73°F), offering a pleasant climate for outdoor activities. Be prepared for a range of temperatures, with minimums dipping to 8°C (46°F) and peaks soaring to 39°C (103°F). During this month, the region experiences a modest precipitation of 4 mm (0.1 in) over just 1 day, contributing to an average humidity level of 64%.

June Temperature in Jamestown

In June in Jamestown, the average temperature is 22°C (73°F). Maximum temperatures can reach 39°C (103°F), while minimums can drop as low as 8°C (46°F). This makes it essential for travelers to pack layers to accommodate the warm days and cooler nights.

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 22°C (73°F), with highs reaching up to 39°C (103°F) and lows dropping to around 8°C (46°F).

Data source: Temperature data for Jamestown generated using information from the Copernicus Climate Change Service.

June Precipitation in Jamestown

In Jamestown in June, the precipitation amount is 4 mm (0.1 in) over the course of 1 day.

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 4 mm (0.1 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Jamestown

In Jamestown in June humidity is 64%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace, making traveling comfortable yet slightly sticky, as you enjoy the vibrant sights while needing to stay hydrated.

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 64%, offering insight into how humid the weather typically is during this month.

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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	183 mm (7.2 inches)	82%	moderate
February Weather	8°C (47°F)	180 mm (7.1 inches)	84%	moderate
March Weather	10°C (51°F)	197 mm (7.7 inches)	82%	very high
April Weather	14°C (57°F)	83 mm (3.3 inches)	78%	very high
May Weather	17°C (63°F)	49 mm (1.9 inches)	71%	extreme
June Weather	22°C (73°F)	4 mm (0.1 inches)	64%	extreme
July Weather	26°C (79°F)	0 mm (0.0 inches)	58%	extreme
August Weather	25°C (78°F)	0 mm (0.0 inches)	54%	very high
September Weather	22°C (72°F)	4 mm (0.2 inches)	55%	very high
October Weather	16°C (62°F)	44 mm (1.7 inches)	62%	high
November Weather	11°C (52°F)	89 mm (3.5 inches)	78%	moderate
December Weather	8°C (46°F)	148 mm (5.8 inches)	80%	moderate