June Weather in Gillette, United States

Last updated: June 24, 2025

In June, the average temperature in Gillette, United States hovers around 19°C (67°F), though you might experience a range from a chilly 2°C (36°F) to a sweltering 39°C (103°F). Expect around 39 mm (1.6 inches) of rain spread over 8 days, contributing to an average humidity of 82%—a perfect blend of warmth and moisture!

June Temperature in Gillette

In June in Gillette, the average temperature is 19°C (67°F). Maximums can reach 39°C (103°F) and minimums can be as low as 2°C (36°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!

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

The chart illustrates June temperature patterns in Gillette, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gillette, June typically has an average temperature of 19°C (67°F), with highs reaching up to 39°C (103°F) and lows dropping to around 2°C (36°F).

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

June Precipitation in Gillette

In Gillette in June, the precipitation amount is 39 mm (1.6 in) over the course of 8 days.

June Precipitation Trends in Gillette

The chart displays monthly precipitation patterns in Gillette, 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 Gillette, June typically receives around 39 mm (1.6 inches) of precipitation spread over approximately 8 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 Gillette

In Gillette in June humidity is 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore the sights.

June Average Humidity in Gillette

This chart illustrates the average monthly humidity levels in Gillette, 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 Gillette is approximately 82%, 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 Gillette

In Gillette 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 Gillette.

Maximum UV Index Levels in Gillette for June

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

Data source: Gillette 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 Gillette Compares to Other Months

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

This table compares monthly weather conditions in Gillette, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	19 mm (0.8 inches)	78%	moderate
February Weather	-5°C (23°F)	26 mm (1.0 inches)	79%	moderate
March Weather	3°C (38°F)	33 mm (1.3 inches)	71%	high
April Weather	6°C (42°F)	61 mm (2.4 inches)	70%	very high
May Weather	12°C (53°F)	67 mm (2.6 inches)	75%	very high
June Weather	19°C (67°F)	39 mm (1.6 inches)	82%	extreme
July Weather	23°C (74°F)	56 mm (2.2 inches)	84%	extreme
August Weather	21°C (71°F)	35 mm (1.4 inches)	85%	very high
September Weather	16°C (62°F)	43 mm (1.7 inches)	79%	very high
October Weather	6°C (44°F)	47 mm (1.9 inches)	75%	moderate
November Weather	3°C (37°F)	20 mm (0.8 inches)	75%	moderate
December Weather	-1°C (30°F)	24 mm (0.9 inches)	81%	low