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United StatesThe climate of Long Island
The current climate in Long Island features temperatures ranging from a high of 18°C to a low of 5°C throughout the year. The average yearly temperature is around 12°C. At night, temperatures in the colder months average around 0°C and in the warmer months around 12°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Long Island, Alaska.
Temperature records
The highest temperature recorded in Long Island in recent years was 30°C in May 2023. The lowest daytime temperature recorded was -9°C in January 2020.
Precipitation and snowfall
On average, Long Island gets 2226 mm of precipitation each year. Of this, about 102 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Long Island?
The best time to visit Long Island for mild to warm weather is June up to September. You might get some rain, but the temperatures are just right to explore Long Island.
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Climate Table of Long Island
The climate table of Long Island shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 6 | 5 | 8 | 11 | 14 | 16 | 18 | 18 | 16 | 12 | 8 | 5 |
| Temp. min (°C) | 2 | 0 | 1 | 3 | 7 | 10 | 12 | 12 | 10 | 6 | 3 | 1 |
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| Precipitation (mm) | 222 | 223 | 156 | 153 | 113 | 101 | 129 | 215 | 204 | 282 | 228 | 200 |
| Snow (cm) | 16 | 35 | 17 | 6,9 | 0 | 0 | 0 | 0 | 0 | 0,1 | 8,4 | 18 |
| UV Index | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 5 | 4 | 2 | 1 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Long Island, Alaska. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Long Island
Yearly Temperature in Long Island
Precipitation charts
These charts show the average amount of precipitation in Long Island, Alaska. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Long Island
Total Yearly Precipitation in Long Island
Average Snowfall per Month in Long Island
Total Yearly Snowfall in Long Island
UV index chart
This chart shows the average UV index per month in Long Island, Alaska. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Long Island
Weather experiences in Long Island
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Average weather in Long Island by month
Click on a month below to see detailed weather info for Long Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.