July weather forecastWilliamstown, NY

July

Weather in July

July in Williamstown, New York, is a moderately hot summer month, with an average temperature fluctuating between 77.4°F (25.2°C) and 58.5°F (14.7°C).

Temperature

In Williamstown, the highest average temperatures are observed in July, with a high of 77.4°F (25.2°C) and a low of 58.5°F (14.7°C).

Humidity

The average relative humidity in July in Williamstown is 80%.

Rainfall

In July, the rain falls for 17.4 days. Throughout July, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 176.3 rainfall days, and 37.09" (942mm) of precipitation is accumulated.

Snowfall

In Williamstown, snow does not fall in June through September.

Daylight

The average length of the day in July is 15h and 2min.
On the first day of July in Williamstown, sunrise is at 5:27 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:26 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.1h of sunshine.

UV index

With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In July, the maximum UV index of 6 suggests this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Williamstown, July registers the highest temperatures, averaging 77.4°F (25.2°C) at the peak and 58.5°F (14.7°C) at the lowest.

Williamstown in July has an average high-temperature of 77.4°F (25.2°C) and an average low-temperature of 58.5°F (14.7°C).

In July, the average relative humidity is 80%.

In Williamstown, in July, it is raining for 17.4 days, with typically 2.99" (76mm) of accumulated precipitation.

June through September are months without snowfall.

In Williamstown, New York, the average day length in July is 15h and 2min.

In July, on the first day of the month, sunrise is at 5:27 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:26 pm EDT.

With an average of 10.1h of sunshine, July has the most sunshine of the year.

The average sunshine duration in July is 10.1h.

The month with the highest UV index in Williamstown is July, with an average maximum UV index of 6.

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

71.2°F

77.4°F

75.4°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.1mph

6.5mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

17.6

17.4

18.1

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

10.5

10.9

Average UV index

Average cloud cover

Average visibility

Average temperature in July
Williamstown, NY

Average high temperature in July: 77.4°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (26.2°F).

Average low temperature in July: 58.5°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

Average pressure in July
Williamstown, NY

Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Williamstown, NY

Average wind speed in July: 5.9mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in July
Williamstown, NY

Average humidity in July: 80%

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (79%).

Average rainfall in July
Williamstown, NY

Average rainfall in July: 2.99"

The wettest months (with the highest rainfall) are May and October (3.66").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in July
Williamstown, NY

Average rainfall days in July: 17.4 days

The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is February (8.5 days).

Average snowfall in July
Williamstown, NY

Average snowfall in July: 0"

The month with the highest snowfall is January (11.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Williamstown, NY

Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Williamstown, NY

Average daylight in July: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

Average sunshine in July: 10h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).