July Weather in Watertown, United States

Last updated: June 24, 2025

In Watertown, United States, the average temperature in July hovers around 24°C (75°F), providing a pleasant climate. Temperatures can fluctuate, with a minimum of 13°C (56°F) and reaching up to 37°C (98°F). Expect some wet weather, as 143 mm (5.6 in) of precipitation is recorded over 13 days. The average humidity remains at a comfortable 62%, making it a perfect time to explore the area!

July Temperature in Watertown

In July in Watertown, the average temperature is 24°C (75°F). The maximum can reach 37°C (98°F), and the minimum can be as low as 13°C (56°F). This makes it an ideal time for travelers seeking warm weather while enjoying some cooler evenings.

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

The chart illustrates July temperature patterns in Watertown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Watertown, July typically has an average temperature of 24°C (75°F), with highs reaching up to 37°C (98°F) and lows dropping to around 13°C (56°F).

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

July Precipitation in Watertown

In Watertown in July, the precipitation amount is 143 mm (5.6 in) over a span of 13 days.

July Precipitation Trends in Watertown

The chart displays monthly precipitation patterns in Watertown, 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 Watertown, July typically receives around 143 mm (5.6 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 Watertown

In Watertown in July, humidity is 62%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making for a sticky yet comfortable travel experience that invites you to explore but may require occasional breaks to rehydrate and cool down.

July Average Humidity in Watertown

This chart illustrates the average monthly humidity levels in Watertown, 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 Watertown is approximately 62%, 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 Watertown

In Watertown 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 Watertown.

Maximum UV Index Levels in Watertown for July

The chart shows the monthly maximum UV Index (UVI) for Watertown 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 Watertown typically reaches 10, which falls under the very high exposure category.

Data source: Watertown 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 Watertown Compares to Other Months

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

This table compares monthly weather conditions in Watertown, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	69 mm (2.7 inches)	84%	moderate
February Weather	1°C (34°F)	93 mm (3.7 inches)	82%	moderate
March Weather	4°C (39°F)	91 mm (3.6 inches)	81%	high
April Weather	9°C (49°F)	130 mm (5.1 inches)	78%	very high
May Weather	15°C (60°F)	110 mm (4.3 inches)	69%	very high
June Weather	20°C (69°F)	99 mm (3.9 inches)	69%	very high
July Weather	24°C (75°F)	143 mm (5.6 inches)	62%	very high
August Weather	23°C (74°F)	94 mm (3.7 inches)	65%	very high
September Weather	19°C (67°F)	105 mm (4.1 inches)	68%	very high
October Weather	14°C (57°F)	138 mm (5.4 inches)	74%	high
November Weather	6°C (44°F)	93 mm (3.7 inches)	82%	moderate
December Weather	2°C (36°F)	124 mm (4.9 inches)	80%	low