July Weather in Grafton, United States

Last updated: June 24, 2025

In Grafton, United States, the average temperature in July hovers around 22°C (71°F), creating a pleasant climate for outdoor activities. However, be prepared for fluctuations, as temperatures can dip to a minimum of 9°C (48°F) and soar to a maximum of 35°C (96°F). During this month, expect approximately 125 mm (4.9 in) of precipitation spread over about 13 days, contributing to an average humidity level of 67%. Make sure to pack accordingly!

July Temperature in Grafton

In July, in Grafton, the average temperature is 22°C (71°F), with maximums reaching as high as 35°C (96°F) and minimums dipping to as low as 9°C (48°F). This varied climate makes Grafton an ideal destination for travelers seeking a mix of warm days and cooler evenings.

July Weather in Grafton: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Grafton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grafton, July typically has an average temperature of 22°C (71°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (48°F).

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

July Precipitation in Grafton

In Grafton in July, the total precipitation amount is 125 mm (4.9 in), occurring over a span of 13 days.

July Precipitation Trends in Grafton

The chart displays monthly precipitation patterns in Grafton, 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 Grafton, July typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Grafton

In Grafton in July, humidity is 67%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet slightly uncomfortable, as the air hangs thick, reminding travelers to stay hydrated and seek shade during the midday sun.

July Average Humidity in Grafton

This chart illustrates the average monthly humidity levels in Grafton, 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 Grafton is approximately 67%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Grafton

In Grafton in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Grafton.

Maximum UV Index Levels in Grafton for July

The chart shows the monthly maximum UV Index (UVI) for Grafton 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 Grafton typically reaches 9, which falls under the very high exposure category.

Data source: Grafton 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 Grafton Compares to Other Months

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

This table compares monthly weather conditions in Grafton, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	70 mm (2.8 inches)	86%	moderate
February Weather	-4°C (25°F)	82 mm (3.2 inches)	84%	moderate
March Weather	0°C (32°F)	75 mm (2.9 inches)	82%	moderate
April Weather	6°C (44°F)	121 mm (4.8 inches)	80%	very high
May Weather	13°C (56°F)	83 mm (3.3 inches)	72%	very high
June Weather	19°C (66°F)	91 mm (3.6 inches)	72%	very high
July Weather	22°C (71°F)	125 mm (4.9 inches)	67%	very high
August Weather	21°C (69°F)	89 mm (3.5 inches)	66%	very high
September Weather	17°C (62°F)	65 mm (2.6 inches)	71%	high
October Weather	10°C (50°F)	129 mm (5.1 inches)	78%	moderate
November Weather	2°C (36°F)	106 mm (4.2 inches)	84%	moderate
December Weather	-3°C (26°F)	109 mm (4.3 inches)	81%	low