July weather forecast and climate
Commack, NY

July in Commack, New York, is a warm summer month, with average temperature fluctuating between 79.3°F (26.3°C) and 71.2°F (21.8°C).

Temperature

With an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 71.2°F (21.8°C), July is the warmest month.

Humidity

In July, the average relative humidity in Commack is 75%.

Rainfall

July is the month with the most rainfall in Commack. Rain falls for 17.4 days and accumulates 3.94" (100mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In July, the average length of the day in Commack is 14.8h.

Sunshine

With an average of 10.8h of sunshine, July has the most sunshine of the year in Commack.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Commack. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for the average person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the warmest month in Commack?

With an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 71.2°F (21.8°C), July is the warmest month in Commack.

What is the temperature in July in Commack?

The average high-temperature, in July, in Commack, is 79.3°F (26.3°C), while the average low-temperature is 71.2°F (21.8°C).

What is the average humidity in July in Commack?

In July, the average relative humidity in Commack, New York, is 75%.

How much does it rain in Commack in July?

In July, the rain falls for 17.4 days. Throughout July, 3.94" (100mm) of precipitation is accumulated.

What is the rainiest month in Commack?

The month with the most rainfall in Commack, New York, is July when the rain falls for 17.4 days and typically aggregates up to 3.94" (100mm) of precipitation.

When it does not snow in Commack?

In Commack snow does not fall in April through October.

What is the average length of the day in July in Commack?

The average length of the day in July in Commack, New York, is 14.8h.

What month has the most sunshine in Commack?

The month with the most sunshine in Commack is July, with an average of 10.8h of sunshine.

How many hours of sunshine does Commack have in July?

The average sunshine in July in Commack, New York, is 10.8h.

What is the month with the highest UV index in Commack?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Commack.

What is the UV index intensity in July in Commack?

In July, the average daily maximum UV index in Commack is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in July - Commack, NY
  • Average high temperature in July: 79.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in July: 71.2°F

The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

Average pressure in July - Commack, NY
  • Average pressure in July: 29.95"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in July - Commack, NY
  • Average wind speed in July: 8.3mph

The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in July - Commack, NY
  • Average humidity in July: 75%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).

Average rainfall in July - Commack, NY
  • Average rainfall in July: 3.94"

The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is January (2.2").

Average rainfall days in July - Commack, NY
  • Average rainfall days in July: 17.4 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in July - Commack, NY
  • Average snowfall in July: 0"

The month with the highest snowfall is March (1.85").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July - Commack, NY
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (4.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in July / Average sunshine in July - Commack, NY
  • Average daylight in July: 14.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in July: 10.8h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in July - Commack, NY
  • Average sunshine days in July: 11.4 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in July - Commack, NY
  • Average UV index in July: 6

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in July - Commack, NY
  • Average cloud cover in July: 29

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in July - Commack, NY
  • Average visibility in July: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).