June Weather in Gretna, United States

Last updated: June 24, 2025

In June, the average temperature in Gretna, United States is a warm 27°C (81°F). Expect a pleasant range, with minimums dipping to 21°C (69°F) and maximums rising to 34°C (94°F). Be prepared for about 218 mm (8.6 in) of precipitation over 18 days, contributing to an average humidity of 74%.

June Temperature in Gretna

In June in Gretna, the average temperature is 27°C (81°F), with maximums reaching up to 34°C (94°F) and minimums dropping to as low as 21°C (69°F). It's an ideal time for travelers seeking warm weather and outdoor activities.

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

The chart illustrates June temperature patterns in Gretna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gretna, June typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (94°F) and lows dropping to around 21°C (69°F).

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

June Precipitation in Gretna

In Gretna in June, the total precipitation amount is 218 mm (8.6 in) spread over 18 days.

June Precipitation Trends in Gretna

The chart displays monthly precipitation patterns in Gretna, 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 Gretna, June typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 18 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 Gretna

In Gretna in June humidity is 74%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket, making traveling feel both sticky and draining, yet the heat invites you to seek out refreshing dips in pools or shady spots to relax.

June Average Humidity in Gretna

This chart illustrates the average monthly humidity levels in Gretna, 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 Gretna is approximately 74%, 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 Gretna

In Gretna in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Gretna.

Maximum UV Index Levels in Gretna for June

The chart shows the monthly maximum UV Index (UVI) for Gretna 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 Gretna typically reaches 12, which falls under the extreme exposure category.

Data source: Gretna 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 Gretna Compares to Other Months

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

This table compares monthly weather conditions in Gretna, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	90 mm (3.5 inches)	81%	moderate
February Weather	15°C (60°F)	96 mm (3.8 inches)	81%	very high
March Weather	18°C (65°F)	87 mm (3.4 inches)	79%	very high
April Weather	21°C (70°F)	113 mm (4.5 inches)	81%	extreme
May Weather	25°C (77°F)	144 mm (5.7 inches)	77%	extreme
June Weather	27°C (81°F)	218 mm (8.6 inches)	74%	extreme
July Weather	28°C (83°F)	219 mm (8.6 inches)	74%	extreme
August Weather	28°C (83°F)	273 mm (10.8 inches)	73%	extreme
September Weather	27°C (80°F)	147 mm (5.8 inches)	79%	very high
October Weather	23°C (74°F)	133 mm (5.2 inches)	77%	very high
November Weather	17°C (62°F)	58 mm (2.3 inches)	81%	high
December Weather	14°C (58°F)	101 mm (4.0 inches)	84%	moderate