The best times to visit Commack for ideal weather are

May 7th to July 1st

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Commack Travel Info

Weather in Commack


Average temperatures in Commack vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 27th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Commack, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 85.6°F (29.8°C) with temperatures rarely dropping below 69.4°F (20.8°C) at night.

Commack Temperatures (Fahrenheit)


Commack Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Commack Perceived Temperature (F)


Commack Perceived Temperature (C)



Average Commack Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 39.2 31.8 24.7
Feb 40.2 32 24.5
Mar 49.3 40.2 32.4
Apr 59.9 50.4 42.2
May 70.1 60.4 52.3
Jun 78.4 69.3 61.7
Jul 84.2 75.6 68.3
Aug 82.2 73.7 66
Sep 76.1 67.6 60.2
Oct 65.8 57.2 49.5
Nov 54.4 46.4 39
Dec 46.3 38.9 32

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 4 -0.1 -4.1
Feb 4.6 0 -4.2
Mar 9.6 4.6 0.2
Apr 15.5 10.2 5.7
May 21.2 15.8 11.3
Jun 25.8 20.7 16.5
Jul 29 24.2 20.2
Aug 27.9 23.2 18.9
Sep 24.5 19.8 15.7
Oct 18.8 14 9.7
Nov 12.4 8 3.9
Dec 7.9 3.8 0



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Commack are August, January, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late August to early September. For example, on the week of August 27th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early June with an average of 2 days of significant precipitation the week of June 4th.

When can you find snow in Commack? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Commack.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Commack (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 17% 0 2.4
Feb 19% 0 2.4
Mar 20% 0 3.5
Apr 20% 0 3.3
May 22% 0 3.2
Jun 26% 0 4.4
Jul 17% 0 3
Aug 17% 0 3.4
Sep 18% 0 3.4
Oct 20% 0 2.9
Nov 17% 0 2.3
Dec 26% 0 5.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 17 0 6.1
Feb 19 0 6.1
Mar 20 0 8.9
Apr 20 0 8.4
May 22 0 8.1
Jun 26 0 11.2
Jul 17 0 7.6
Aug 17 0 8.6
Sep 18 0 8.6
Oct 20 0 7.4
Nov 17 0 5.8
Dec 26 0 13


Humidity and Wind

Commack has some high humidity months, with other comfortably humid months. The least humid month is February (50.4% relative humidity), and the most humid month is June (64.4%).

Wind in Commack is usually moderate. The windiest month is March, followed by April and February. March’s average wind speed of around 8.4 knots (9.7 MPH or 15.6 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid February where average top sustained speeds reach 16.1 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Commack.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.7 Gentle breeze 14.3 Significant breeze
Feb 8.2 Gentle breeze 15.3 Significant breeze
Mar 8.4 Gentle breeze 15.2 Significant breeze
Apr 8.2 Gentle breeze 15.3 Significant breeze
May 7.1 Gentle breeze 13.5 Significant breeze
Jun 6.7 Light breeze 13.2 Significant breeze
Jul 6.6 Light breeze 13.1 Significant breeze
Aug 6.1 Light breeze 12.3 Significant breeze
Sep 6.5 Light breeze 12.5 Significant breeze
Oct 7.2 Gentle breeze 13.4 Significant breeze
Nov 7.3 Gentle breeze 13.7 Significant breeze
Dec 7.7 Gentle breeze 14.5 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 51.6%
Feb 50.4%
Mar 50.9%
Apr 52.4%
May 61.9%
Jun 64.4%
Jul 62.2%
Aug 62%
Sep 64%
Oct 61.4%
Nov 56.5%
Dec 59.4%


Is it Safe to Travel to Commack?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Commack, NY, US is July, followed by October and February. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Commack in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 52.8 in December means 52.8% of the tourists vs. July.



Overall Commack Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 76.8°F (24.9°C) and 42.1°F (5.6°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 7 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see moderate precipitation with 5 to 8 days of precipitation per month. June – August is the busiest season for tourism in Commack, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 80°F (26.7°C) and 50.1°F (10.1°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 to 6 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.

Winter (December through February)

Weather is far too cold this time of year in Commack to be enjoyable for warm weather travelers. The average high during this season is between 47.3°F (8.5°C) and 36°F (2.2°C). On average, it rains or snows a fair amount: 5 to 8 times per month. These times of year are the slowest with tourists.


Best Times to Travelthe United States › Commack, NY, US