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July Weather in Grand Island, United States

Last updated: June 24, 2025

In July, the average temperature in Grand Island, United States is a comfortable 25°C (78°F), perfect for outdoor activities. Expect a minimum of 13°C (55°F) and a maximum that can soar up to 38°C (100°F). Keep in mind, there's an average precipitation of 66 mm (2.6 in) spread over 8 days of the month, along with an average humidity level of 84%. Plan accordingly to enjoy your stay!

July Temperature in Grand Island

In July in Grand Island, the average temperature is 25°C (78°F). Maximums can reach 38°C (100°F), and minimums can be as low as 13°C (55°F). This pleasant weather makes it an ideal time for travelers to explore the area comfortably.

July Weather in Grand Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Grand Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grand Island, July typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec262641496175777469524031
Data source: Temperature data for Grand Island generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Grand Island

In Grand Island in July, the total precipitation amount is 66 mm (2.6 in) over the course of 8 days.

July Precipitation Trends in Grand Island

The chart displays monthly precipitation patterns in Grand Island, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Grand Island, July typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec2819865614789667159862142
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Grand Island

In Grand Island in July, humidity is 84%. With an average temperature of 25°C (78°F), this humidity feels like a warm, muggy embrace that can be quite stifling for traveling, making you crave cool breezes and plenty of hydration as you explore.

July Average Humidity in Grand Island

This chart illustrates the average monthly humidity levels in Grand Island, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Grand Island is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%81%69%71%80%83%84%84%77%72%80%79%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Grand Island

In Grand Island 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 Grand Island.

Maximum UV Index Levels in Grand Island for July

The chart shows the monthly maximum UV Index (UVI) for Grand Island in July, 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 July, the maximum UV index in Grand Island typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110108643
Data source: Grand Island July 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 July Weather in Grand Island Compares to Other Months

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

This table compares monthly weather conditions in Grand Island, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)28 mm (1.1 inches)73%moderate
February Weather-4°C (26°F)19 mm (0.7 inches)81%moderate
March Weather5°C (41°F)86 mm (3.4 inches)69%high
April Weather10°C (50°F)56 mm (2.2 inches)71%very high
May Weather16°C (62°F)147 mm (5.8 inches)80%very high
June Weather24°C (75°F)89 mm (3.5 inches)83%extreme
July Weather25°C (78°F)66 mm (2.6 inches)84%very high
August Weather24°C (75°F)71 mm (2.8 inches)84%very high
September Weather21°C (69°F)59 mm (2.3 inches)77%very high
October Weather11°C (52°F)86 mm (3.4 inches)72%high
November Weather5°C (41°F)21 mm (0.8 inches)80%moderate
December Weather-1°C (31°F)42 mm (1.6 inches)79%moderate

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