August Weather in Waterbury, United States

Last updated: June 24, 2025

In August, the average temperature in Waterbury, United States is a pleasant 23°C (74°F), with a minimum of 11°C (53°F) and a maximum reaching up to 35°C (95°F). Expect 94 mm (3.7 in) of precipitation spread across approximately 12 days, and enjoy a comfortable average humidity level of 65%.

August Temperature in Waterbury

In August in Waterbury, the average temperature is 23°C (74°F). Maximum temperatures can reach 35°C (95°F), while minimums can dip to as low as 11°C (53°F). This makes it a perfect time for travelers to enjoy the pleasant weather while exploring the attractions.

August Weather in Waterbury: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Waterbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waterbury, August typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 11°C (53°F).

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

August Precipitation in Waterbury

In Waterbury in August, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

August Precipitation Trends in Waterbury

The chart displays monthly precipitation patterns in Waterbury, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Waterbury, August typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Waterbury

In Waterbury in August, humidity is 65%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat challenging but still enjoyable with the right planning.

August Average Humidity in Waterbury

This chart illustrates the average monthly humidity levels in Waterbury, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Waterbury is approximately 65%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Waterbury

In Waterbury in August, 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 Waterbury.

Maximum UV Index Levels in Waterbury for August

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

Data source: Waterbury August 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 August Weather in Waterbury Compares to Other Months

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

This table compares monthly weather conditions in Waterbury, showing how August’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