June Weather in Challis, United States

Last updated: June 24, 2025

In Challis, United States, the average temperature in June hovers around 13°C (55°F). While the mercury can dip to a chilly -4°C (25°F), it can also soar to a warm 31°C (88°F). Expect about 59 mm (2.3 in) of precipitation over 10 days, contributing to an average humidity of 80%. Stay prepared for a mix of weather!

June Temperature in Challis

In June in Challis, the average temperature is 13°C (55°F). The maximum can reach 31°C (88°F), while the minimum can drop as low as -4°C (25°F). This varied climate makes Challis an intriguing destination for travelers seeking both warm days and crisp evenings.

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

The chart illustrates June temperature patterns in Challis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Challis, June typically has an average temperature of 13°C (55°F), with highs reaching up to 31°C (88°F) and lows dropping to around -4°C (25°F).

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

June Precipitation in Challis

In Challis in June, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.

June Precipitation Trends in Challis

The chart displays monthly precipitation patterns in Challis, 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 Challis, June typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Challis

In Challis in June humidity is 80%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making any outdoor activity feel stifling and heavy, which can lead to fatigue for travelers unaccustomed to such moist conditions.

June Average Humidity in Challis

This chart illustrates the average monthly humidity levels in Challis, 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 Challis is approximately 80%, 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 Challis

In Challis 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 Challis.

Maximum UV Index Levels in Challis for June

The chart shows the monthly maximum UV Index (UVI) for Challis 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 Challis typically reaches 11, which falls under the extreme exposure category.

Data source: Challis 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 Challis Compares to Other Months

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

This table compares monthly weather conditions in Challis, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	34 mm (1.3 inches)	94%	moderate
February Weather	-8°C (18°F)	65 mm (2.6 inches)	93%	moderate
March Weather	-3°C (27°F)	40 mm (1.6 inches)	91%	very high
April Weather	0°C (33°F)	49 mm (1.9 inches)	87%	very high
May Weather	6°C (44°F)	68 mm (2.7 inches)	83%	extreme
June Weather	13°C (55°F)	59 mm (2.3 inches)	80%	extreme
July Weather	18°C (65°F)	18 mm (0.7 inches)	75%	extreme
August Weather	17°C (63°F)	23 mm (0.9 inches)	66%	very high
September Weather	12°C (54°F)	30 mm (1.2 inches)	66%	very high
October Weather	3°C (37°F)	42 mm (1.7 inches)	77%	high
November Weather	-3°C (27°F)	34 mm (1.3 inches)	91%	moderate
December Weather	-9°C (16°F)	38 mm (1.5 inches)	96%	low