July Weather in Saint Johnsbury, United States

Last updated: June 24, 2025

In July, the average temperature in Saint Johnsbury, United States hovers around 20°C (69°F), offering a pleasant climate. Temperatures can range from a cool 8°C (46°F) to a warm 34°C (93°F), accommodating various preferences. Expect some rain, with precipitation hitting around 106 mm (4.2 in) over 14 days, and enjoy the moderate 75% humidity that adds to the region's character.

July Temperature in Saint Johnsbury

In July in Saint Johnsbury, the average temperature is 20°C (69°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 8°C (46°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while experiencing comfortable weather.

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

The chart illustrates July temperature patterns in Saint Johnsbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Johnsbury, July typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 8°C (46°F).

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

July Precipitation in Saint Johnsbury

In Saint Johnsbury in July, the precipitation amount is 106 mm (4.2 in) over a period of 14 days.

July Precipitation Trends in Saint Johnsbury

The chart displays monthly precipitation patterns in Saint Johnsbury, 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 Johnsbury, July typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Saint Johnsbury

In Saint Johnsbury in July, humidity is 75%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel a bit muggy and requiring frequent hydration breaks to stay comfortable while exploring.

July Average Humidity in Saint Johnsbury

This chart illustrates the average monthly humidity levels in Saint Johnsbury, 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 Johnsbury is approximately 75%, 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 Johnsbury

In Saint Johnsbury 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 Johnsbury.

Maximum UV Index Levels in Saint Johnsbury for July

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

Data source: Saint Johnsbury 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 Johnsbury Compares to Other Months

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

This table compares monthly weather conditions in Saint Johnsbury, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	80 mm (3.1 inches)	91%	low
February Weather	-6°C (21°F)	78 mm (3.1 inches)	89%	moderate
March Weather	-2°C (29°F)	69 mm (2.7 inches)	85%	moderate
April Weather	5°C (42°F)	110 mm (4.3 inches)	84%	very high
May Weather	12°C (55°F)	95 mm (3.7 inches)	78%	very high
June Weather	17°C (63°F)	98 mm (3.9 inches)	72%	very high
July Weather	20°C (69°F)	106 mm (4.2 inches)	75%	very high
August Weather	19°C (67°F)	88 mm (3.5 inches)	74%	very high
September Weather	15°C (60°F)	64 mm (2.5 inches)	77%	high
October Weather	9°C (48°F)	138 mm (5.5 inches)	85%	moderate
November Weather	0°C (33°F)	103 mm (4.0 inches)	86%	moderate
December Weather	-5°C (23°F)	85 mm (3.3 inches)	85%	low