June Weather in Duncan, United States

Last updated: June 24, 2025

The average temperature in Duncan, United States during June is a warm 27°C (80°F). Expect temperatures to vary, with a minimum of 14°C (58°F) and a maximum of 38°C (101°F). Rain might make an appearance, with 63 mm (2.5 in) of precipitation spread over 7 days. Additionally, the average humidity hovers around a tropical 82%, adding a touch of mugginess to the air.

June Temperature in Duncan

In June in Duncan, the average temperature is 27°C (80°F), with maximums reaching 38°C (101°F) and minimums dropping as low as 14°C (58°F). This varied climate makes it an ideal time for travelers to enjoy both warm days and cooler evenings.

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

The chart illustrates June temperature patterns in Duncan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Duncan, June typically has an average temperature of 27°C (80°F), with highs reaching up to 38°C (101°F) and lows dropping to around 14°C (58°F).

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

June Precipitation in Duncan

In Duncan in June, the precipitation amount is 63 mm (2.5 in) over a span of 7 days.

June Precipitation Trends in Duncan

The chart displays monthly precipitation patterns in Duncan, 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 Duncan, June typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 7 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 Duncan

In Duncan in June, humidity is 82%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, often leaving travelers longing for shade and a refreshing drink.

June Average Humidity in Duncan

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

In Duncan 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 Duncan.

Maximum UV Index Levels in Duncan for June

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

Data source: Duncan 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 Duncan Compares to Other Months

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

This table compares monthly weather conditions in Duncan, 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 (42°F)	47 mm (1.9 inches)	76%	moderate
February Weather	6°C (43°F)	54 mm (2.1 inches)	76%	high
March Weather	13°C (56°F)	95 mm (3.8 inches)	70%	very high
April Weather	16°C (62°F)	95 mm (3.7 inches)	72%	very high
May Weather	22°C (72°F)	135 mm (5.3 inches)	82%	extreme
June Weather	27°C (80°F)	63 mm (2.5 inches)	82%	extreme
July Weather	29°C (85°F)	33 mm (1.3 inches)	80%	extreme
August Weather	29°C (84°F)	58 mm (2.3 inches)	72%	extreme
September Weather	25°C (77°F)	88 mm (3.5 inches)	64%	very high
October Weather	18°C (64°F)	97 mm (3.8 inches)	71%	very high
November Weather	11°C (52°F)	27 mm (1.1 inches)	81%	moderate
December Weather	8°C (46°F)	41 mm (1.6 inches)	84%	moderate