June Weather in Myrtle, United States

Last updated: June 24, 2025

In June, the average temperature in Myrtle, United States hovers around 26°C (78°F), making it a pleasant time to explore. However, be prepared for temperature fluctuations, with lows dipping to 13°C (55°F) and highs soaring up to 35°C (96°F). You'll want to pack for the rain as well, with average precipitation reaching 133 mm (5.2 in) over 14 days. With an average humidity of 83%, the air can feel quite muggy, so stay hydrated while enjoying your visit!

June Temperature in Myrtle

In June in Myrtle, the average temperature is 26°C (78°F), with maximums reaching 35°C (96°F) and minimums dropping to as low as 13°C (55°F). Overall, this pleasant climate makes Myrtle a great destination for travelers seeking both warmth and coolness during their visit.

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

The chart illustrates June temperature patterns in Myrtle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Myrtle, June typically has an average temperature of 26°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 13°C (55°F).

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

June Precipitation in Myrtle

In Myrtle in June, the precipitation amount is 133 mm (5.2 in) occurring over the course of 14 days.

June Precipitation Trends in Myrtle

The chart displays monthly precipitation patterns in Myrtle, 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 Myrtle, June typically receives around 133 mm (5.2 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 Myrtle

In Myrtle in June, humidity is 83%. With an average temperature of 26°C (78°F), this humidity feels like a heavy blanket wrapping around you, making travel a sticky affair as sweat lingers on your skin and every step requires extra effort.

June Average Humidity in Myrtle

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

In Myrtle 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 Myrtle.

Maximum UV Index Levels in Myrtle for June

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

Data source: Myrtle 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 Myrtle Compares to Other Months

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

This table compares monthly weather conditions in Myrtle, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	120 mm (4.7 inches)	86%	moderate
February Weather	9°C (48°F)	188 mm (7.4 inches)	85%	high
March Weather	14°C (57°F)	157 mm (6.2 inches)	84%	very high
April Weather	16°C (62°F)	146 mm (5.8 inches)	81%	very high
May Weather	22°C (72°F)	110 mm (4.3 inches)	83%	extreme
June Weather	26°C (78°F)	133 mm (5.2 inches)	83%	extreme
July Weather	27°C (81°F)	118 mm (4.6 inches)	80%	extreme
August Weather	26°C (80°F)	113 mm (4.4 inches)	73%	very high
September Weather	24°C (76°F)	116 mm (4.6 inches)	70%	very high
October Weather	18°C (65°F)	106 mm (4.2 inches)	73%	high
November Weather	11°C (51°F)	79 mm (3.1 inches)	85%	high
December Weather	9°C (48°F)	150 mm (5.9 inches)	88%	moderate