July Weather in Northwest Harwinton, United States

Last updated: June 24, 2025

The average temperature in Northwest Harwinton, United States during July is a comfortable 23°C (74°F). However, be prepared for fluctuations, as temperatures can drop to a minimum of 13°C (55°F) and soar to a maximum of 37°C (98°F). Travelers should also expect 162 mm (6.4 in) of precipitation spread over 14 days, along with an average humidity of 62%, creating a warm and slightly humid atmosphere.

July Temperature in Northwest Harwinton

In July in Northwest Harwinton, the average temperature is 23°C (74°F), with maximums soaring to 37°C (98°F) and minimums dropping to as low as 13°C (55°F). This range makes it an ideal time for travelers to enjoy a variety of outdoor activities, from warm afternoons to cooler evenings.

July Weather in Northwest Harwinton: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Northwest Harwinton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Northwest Harwinton, July typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (98°F) and lows dropping to around 13°C (55°F).

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

July Precipitation in Northwest Harwinton

In Northwest Harwinton in July, the total precipitation amount is 162 mm (6.4 in) over the course of 14 days.

July Precipitation Trends in Northwest Harwinton

The chart displays monthly precipitation patterns in Northwest Harwinton, 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 Northwest Harwinton, July typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 14 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 Northwest Harwinton

In Northwest Harwinton in July humidity is 62%. With an average temperature of 23°C (74°F), this humidity feels like a warm, slightly sticky embrace, making it essential for travelers to stay hydrated and wear breathable clothing while exploring.

July Average Humidity in Northwest Harwinton

This chart illustrates the average monthly humidity levels in Northwest Harwinton, 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 Northwest Harwinton 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 Northwest Harwinton

In Northwest Harwinton 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 Northwest Harwinton.

Maximum UV Index Levels in Northwest Harwinton for July

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

Data source: Northwest Harwinton 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 Northwest Harwinton Compares to Other Months

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

This table compares monthly weather conditions in Northwest Harwinton, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	73 mm (2.9 inches)	84%	moderate
February Weather	0°C (32°F)	93 mm (3.7 inches)	82%	moderate
March Weather	3°C (38°F)	91 mm (3.6 inches)	81%	high
April Weather	9°C (48°F)	136 mm (5.3 inches)	78%	very high
May Weather	15°C (59°F)	120 mm (4.7 inches)	69%	very high
June Weather	20°C (69°F)	103 mm (4.1 inches)	69%	very high
July Weather	23°C (74°F)	162 mm (6.4 inches)	62%	very high
August Weather	22°C (73°F)	107 mm (4.2 inches)	65%	very high
September Weather	19°C (66°F)	122 mm (4.8 inches)	68%	very high
October Weather	13°C (56°F)	152 mm (6.0 inches)	74%	high
November Weather	5°C (42°F)	95 mm (3.7 inches)	82%	moderate
December Weather	1°C (33°F)	123 mm (4.9 inches)	80%	low