The best times to visit Roslyn for ideal weather are

April 30th to June 24th

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

 

 


Other Roslyn Travel Info

Weather in Roslyn

Temperature

Average temperatures in Roslyn 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 23rd 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 Roslyn, 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 90°F (32.2°C) with temperatures rarely dropping below 71.9°F (22.2°C) at night.

Roslyn Temperatures (Fahrenheit)

Key
High
Average
Low

Roslyn Temperatures (Celsius)

Key
High
Average
Low

“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.

Roslyn Perceived Temperature (F)

Key
High
Average
Low

Roslyn Perceived Temperature (C)

Key
High
Average
Low

 

Average Roslyn 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 41.8 33.5 26.1
Feb 42.8 33.8 25.9
Mar 52.7 42.1 33.6
Apr 64.2 52.9 44.3
May 75.1 63.6 54.8
Jun 82.8 72.4 64.1
Jul 88.5 78.7 70.8
Aug 85.7 76.5 69.1
Sep 79.5 70.6 63.3
Oct 68.5 59.6 52.4
Nov 56.7 48.4 41.3
Dec 48.4 40.4 33.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 5.4 0.8 -3.3
Feb 6 1 -3.4
Mar 11.5 5.6 0.9
Apr 17.9 11.6 6.8
May 23.9 17.6 12.7
Jun 28.2 22.4 17.8
Jul 31.4 25.9 21.6
Aug 29.8 24.7 20.6
Sep 26.4 21.4 17.4
Oct 20.3 15.3 11.3
Nov 13.7 9.1 5.2
Dec 9.1 4.7 1.1

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Roslyn are November, September, and then October. 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 late December with an average of 3 days of significant precipitation the week of December 24th.

When can you find snow in Roslyn? Weather stations report large amounts of snow likely to be deepest around February, especially close to late January and early February. The best time to ski (if at all) in Roslyn is often around around January 15th when fresh powder is deepest. 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 Roslyn.

Key
Days with precipitation

Snow on the Ground

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

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 21% 3.3 3.2
Feb 21% 4.6 2.9
Mar 22% 2.9 4.3
Apr 23% 0 4.4
May 22% 0 4
Jun 27% 0 5.1
Jul 22% 0 4
Aug 22% 0 5.1
Sep 19% 0 3.7
Oct 20% 1.2 3.6
Nov 18% 1.2 2.6
Dec 30% 3.1 5.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 21 8.4 8.1
Feb 21 11.7 7.4
Mar 22 7.4 10.9
Apr 23 0 11.2
May 22 0 10.2
Jun 27 0 13
Jul 22 0 10.2
Aug 22 0 13
Sep 19 0 9.4
Oct 20 3 9.1
Nov 18 3 6.6
Dec 30 7.9 13.7

 

Humidity and Wind

Roslyn has some comfortably humid months, with slightly drier months on the other side of the year. The least humid month is March (42.8% relative humidity), and the most humid month is September (53.9%).

Wind in Roslyn is usually moderate. The windiest month is February, followed by March and January. February’s average wind speed of around 10.7 knots (12.3 MPH or 19.9 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 19.6 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

Key
Avg. Relative Humidity

Wind

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

Key
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 10.3 Gentle breeze 17.3 Strong breeze
Feb 10.7 Gentle breeze 18.2 Strong breeze
Mar 10.4 Gentle breeze 17.5 Strong breeze
Apr 9.7 Gentle breeze 17.3 Strong breeze
May 8.4 Gentle breeze 15.4 Strong breeze
Jun 8.1 Gentle breeze 15.1 Significant breeze
Jul 7.7 Gentle breeze 14.6 Strong breeze
Aug 7.4 Gentle breeze 13.9 Significant breeze
Sep 8.1 Gentle breeze 14.1 Strong breeze
Oct 9.2 Gentle breeze 15.6 Significant breeze
Nov 9.4 Gentle breeze 15.7 Strong breeze
Dec 10.1 Gentle breeze 16.9 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 44.3%
Feb 42.9%
Mar 42.8%
Apr 42.8%
May 49.9%
Jun 52.9%
Jul 50.2%
Aug 51.4%
Sep 53.9%
Oct 51.8%
Nov 48.8%
Dec 52.4%

 

Is it Safe to Travel to Roslyn?

Our best data indicates this area is generally safe. As of Dec 04, 2023 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 Dec 04, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Roslyn, 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 Roslyn 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

Key
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 Roslyn Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 82.7°F (28.2°C) and 45.3°F (7.4°C) with far warmer temperatures in the later months. Rain is somewhat common with roughly 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 quite warm. These months see moderate precipitation with 7 to 8 days of precipitation per month. June – August is the busiest season for tourism in Roslyn, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 83.8°F (28.8°C) and 52.2°F (11.2°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 too cold this time of year in Roslyn to be enjoyable for warm weather travelers. The average high during this season is between 49.1°F (9.5°C) and 38.1°F (3.4°C). On average, it rains or snows a fair amount: 6 to 9 times per month. These times of year are the slowest with tourists.

 

Best Times to Travel› the United States › Roslyn, NY, US