Last updated: June 24, 2025
In July, the average temperature in Gretna, United States is a warm 26°C (78°F), with temperatures ranging from a cool 14°C (57°F) to a scorching 36°C (98°F). Expect 74 mm (2.9 in) of precipitation over 9 days, and a notable average humidity of 83%, making it a perfect time for warm weather activities and tropical adventures!
In July in Gretna, the average temperature is 26°C (78°F). Maximums can reach 36°C (98°F) and minimums can be as low as 14°C (57°F). This makes it a great time for travelers to enjoy warm weather while also having the option to experience cooler evenings.
In Gretna in July, the precipitation amount is 74 mm (2.9 in), which occurs over a span of 9 days.
In Gretna in July, 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.
In Gretna in July, 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 Gretna.
UV Risk Categories
Weather in Gretna varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Gretna, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -4°C (25°F) | 32 mm (1.3 inches) | 76% | moderate |
February Weather | -4°C (26°F) | 30 mm (1.2 inches) | 80% | moderate |
March Weather | 5°C (41°F) | 97 mm (3.8 inches) | 73% | high |
April Weather | 10°C (51°F) | 54 mm (2.1 inches) | 74% | very high |
May Weather | 17°C (63°F) | 146 mm (5.8 inches) | 78% | very high |
June Weather | 24°C (76°F) | 126 mm (5.0 inches) | 82% | very high |
July Weather | 26°C (78°F) | 74 mm (2.9 inches) | 83% | very high |
August Weather | 24°C (75°F) | 100 mm (4.0 inches) | 80% | very high |
September Weather | 21°C (70°F) | 83 mm (3.3 inches) | 75% | very high |
October Weather | 11°C (53°F) | 115 mm (4.5 inches) | 75% | high |
November Weather | 5°C (40°F) | 31 mm (1.2 inches) | 82% | moderate |
December Weather | 0°C (32°F) | 40 mm (1.6 inches) | 83% | low |