July Weather in Saint Johnsville, United States

Last updated: June 24, 2025

In July, the average temperature in Saint Johnsville, United States is a pleasant 21°C (70°F). Visitors can expect a minimum of around 9°C (48°F), with a maximum soaring to 33°C (92°F). During this month, precipitation totals 143 mm (5.6 in), occurring over about 17 days, while the air maintains a comfortable average humidity of 66%.

July Temperature in Saint Johnsville

In July in Saint Johnsville, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 9°C (48°F). This range makes it an ideal time for travelers who enjoy mild weather and the opportunity for various outdoor activities.

July Weather in Saint Johnsville: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Saint Johnsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Johnsville, July typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (48°F).

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

July Precipitation in Saint Johnsville

In Saint Johnsville in July, the total precipitation amount is 143 mm (5.6 in) spread over 17 days.

July Precipitation Trends in Saint Johnsville

The chart displays monthly precipitation patterns in Saint Johnsville, 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 Saint Johnsville, July typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 17 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 Saint Johnsville

In Saint Johnsville in July humidity is 66%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls but slightly sticky for longer excursions.

July Average Humidity in Saint Johnsville

This chart illustrates the average monthly humidity levels in Saint Johnsville, 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 Saint Johnsville is approximately 66%, 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 Saint Johnsville

In Saint Johnsville 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 Saint Johnsville.

Maximum UV Index Levels in Saint Johnsville for July

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

Data source: Saint Johnsville 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 Saint Johnsville Compares to Other Months

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

This table compares monthly weather conditions in Saint Johnsville, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	93 mm (3.7 inches)	89%	moderate
February Weather	-4°C (26°F)	110 mm (4.3 inches)	88%	moderate
March Weather	0°C (32°F)	94 mm (3.7 inches)	86%	high
April Weather	7°C (44°F)	132 mm (5.2 inches)	84%	very high
May Weather	14°C (57°F)	131 mm (5.2 inches)	76%	very high
June Weather	18°C (65°F)	119 mm (4.7 inches)	72%	very high
July Weather	21°C (70°F)	143 mm (5.6 inches)	66%	very high
August Weather	20°C (68°F)	129 mm (5.1 inches)	64%	very high
September Weather	16°C (62°F)	96 mm (3.8 inches)	72%	very high
October Weather	10°C (51°F)	170 mm (6.7 inches)	81%	high
November Weather	2°C (36°F)	117 mm (4.6 inches)	87%	moderate
December Weather	-2°C (28°F)	114 mm (4.5 inches)	84%	low