June Weather in Rainier, United States

Last updated: June 24, 2025

In Rainier, United States, the average temperature in June is a comfortable 16°C (61°F). However, be prepared for a temperature range that can swing from a chilly 5°C (42°F) to a sizzling 44°C (112°F). Expect about 59 mm (2.3 in) of precipitation spread over 8 days, contributing to an average humidity level of 83%. Whether you're exploring the vibrant culture or enjoying the natural beauty, pack accordingly!

June Temperature in Rainier

In June in Rainier, the average temperature is 16°C (61°F), with maximums reaching 44°C (112°F) and minimums dropping as low as 5°C (42°F). This offers a diverse climate suitable for various activities, so be sure to pack accordingly for your visit!

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

The chart illustrates June temperature patterns in Rainier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rainier, June typically has an average temperature of 16°C (61°F), with highs reaching up to 44°C (112°F) and lows dropping to around 5°C (42°F).

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

June Precipitation in Rainier

In Rainier in June, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

June Precipitation Trends in Rainier

The chart displays monthly precipitation patterns in Rainier, 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 Rainier, June typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 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 Rainier

In Rainier in June, humidity is 83%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit sticky and potentially uncomfortable as you navigate through the sights.

June Average Humidity in Rainier

This chart illustrates the average monthly humidity levels in Rainier, 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 Rainier is approximately 83%, 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 Rainier

In Rainier 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 Rainier.

Maximum UV Index Levels in Rainier for June

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

Data source: Rainier 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 Rainier Compares to Other Months

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

This table compares monthly weather conditions in Rainier, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	183 mm (7.2 inches)	85%	low
February Weather	4°C (40°F)	166 mm (6.5 inches)	84%	moderate
March Weather	7°C (45°F)	145 mm (5.7 inches)	85%	moderate
April Weather	10°C (50°F)	119 mm (4.7 inches)	83%	high
May Weather	13°C (56°F)	71 mm (2.8 inches)	83%	very high
June Weather	16°C (61°F)	59 mm (2.3 inches)	83%	very high
July Weather	18°C (65°F)	9 mm (0.4 inches)	82%	very high
August Weather	19°C (66°F)	9 mm (0.4 inches)	74%	very high
September Weather	16°C (62°F)	79 mm (3.1 inches)	71%	high
October Weather	11°C (51°F)	117 mm (4.6 inches)	81%	moderate
November Weather	7°C (45°F)	172 mm (6.8 inches)	87%	moderate
December Weather	5°C (40°F)	192 mm (7.6 inches)	87%	low