June Weather in Saint Helen, United States

Last updated: June 24, 2025

In Saint Helen, United States, the average temperature in June hovers around 19°C (66°F). Expect a minimum chill of 3°C (38°F) and a maximum warmth reaching up to 35°C (94°F). Throughout the month, you can anticipate about 114 mm (4.5 in) of precipitation spread over 11 days, while the air retains an average humidity level of 75%.

June Temperature in Saint Helen

In June in Saint Helen, the average temperature is 19°C (66°F). The maximum can reach 35°C (94°F) and the minimum can be as low as 3°C (38°F). It's essential to pack for a variety of weather conditions while traveling, as temperatures can vary significantly throughout the day.

June Weather in Saint Helen: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Saint Helen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Helen, June typically has an average temperature of 19°C (66°F), with highs reaching up to 35°C (94°F) and lows dropping to around 3°C (38°F).

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

June Precipitation in Saint Helen

In Saint Helen in June, the total precipitation amount is 114 mm (4.5 in) spread over 11 days.

June Precipitation Trends in Saint Helen

The chart displays monthly precipitation patterns in Saint Helen, 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 Saint Helen, June typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 11 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 Saint Helen

In Saint Helen in June humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

June Average Humidity in Saint Helen

This chart illustrates the average monthly humidity levels in Saint Helen, 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 Saint Helen is approximately 75%, 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 Saint Helen

In Saint Helen 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 Saint Helen.

Maximum UV Index Levels in Saint Helen for June

The chart shows the monthly maximum UV Index (UVI) for Saint Helen 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 Saint Helen typically reaches 10, which falls under the very high exposure category.

Data source: Saint Helen 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 Saint Helen Compares to Other Months

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

This table compares monthly weather conditions in Saint Helen, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	51 mm (2.0 inches)	92%	low
February Weather	-6°C (22°F)	51 mm (2.0 inches)	91%	moderate
March Weather	0°C (32°F)	54 mm (2.1 inches)	87%	moderate
April Weather	6°C (43°F)	94 mm (3.7 inches)	85%	very high
May Weather	13°C (56°F)	111 mm (4.4 inches)	79%	very high
June Weather	19°C (66°F)	114 mm (4.5 inches)	75%	very high
July Weather	22°C (72°F)	91 mm (3.6 inches)	75%	very high
August Weather	20°C (69°F)	89 mm (3.5 inches)	75%	very high
September Weather	16°C (61°F)	76 mm (3.0 inches)	79%	high
October Weather	10°C (49°F)	124 mm (4.9 inches)	85%	moderate
November Weather	2°C (35°F)	58 mm (2.3 inches)	88%	moderate
December Weather	-2°C (28°F)	62 mm (2.4 inches)	89%	low