June Weather in Portal, United States

Last updated: June 24, 2025

In Portal, United States, the average temperature in June hovers around 27°C (80°F). Visitors can expect a minimum of 14°C (58°F) and a maximum reaching 37°C (99°F). The month sees 112 mm (4.4 in) of precipitation over approximately 14 days, with an average humidity level of 75%. Prepare for a warm and somewhat humid climate!

June Temperature in Portal

In June in Portal, the average temperature is 27°C (80°F). Maximums can reach 37°C (99°F) and minimums can be as low as 14°C (58°F). It's a great time to enjoy outdoor activities while staying prepared for both warm and cooler evenings.

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

The chart illustrates June temperature patterns in Portal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portal, June typically has an average temperature of 27°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 14°C (58°F).

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

June Precipitation in Portal

In Portal in June, the precipitation amount is 112 mm (4.4 in) spread over 14 days.

June Precipitation Trends in Portal

The chart displays monthly precipitation patterns in Portal, 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 Portal, June typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 14 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 Portal

In Portal in June humidity is 75%. With an average temperature of 27°C (80°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit more challenging, as every step can leave you feeling sticky and in need of frequent hydration breaks.

June Average Humidity in Portal

This chart illustrates the average monthly humidity levels in Portal, 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 Portal 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 Portal

In Portal 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 Portal.

Maximum UV Index Levels in Portal for June

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

Data source: Portal 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 Portal Compares to Other Months

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

This table compares monthly weather conditions in Portal, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	81 mm (3.2 inches)	86%	moderate
February Weather	14°C (57°F)	97 mm (3.8 inches)	81%	high
March Weather	16°C (61°F)	68 mm (2.7 inches)	81%	very high
April Weather	19°C (67°F)	92 mm (3.6 inches)	79%	very high
May Weather	24°C (76°F)	78 mm (3.1 inches)	75%	extreme
June Weather	27°C (80°F)	112 mm (4.4 inches)	75%	extreme
July Weather	28°C (83°F)	127 mm (5.0 inches)	80%	extreme
August Weather	28°C (82°F)	119 mm (4.7 inches)	81%	extreme
September Weather	26°C (79°F)	87 mm (3.4 inches)	83%	very high
October Weather	22°C (72°F)	76 mm (3.0 inches)	78%	very high
November Weather	14°C (58°F)	61 mm (2.4 inches)	85%	high
December Weather	12°C (54°F)	121 mm (4.8 inches)	87%	moderate