What’s the climate like in Long Island?
The current climate in Long Island features temperatures ranging from a high of 26°C to a low of 2°C throughout the year. The average yearly temperature is around 14°C. At night, temperatures in the colder months average around -8°C and in the warmer months around 17°C.
The highest temperature recorded in Long Island in recent years was 36°C in August 2016. The lowest daytime temperature recorded was -16°C in January 2018.
On average, Long Island gets 1465 mm of precipitation each year. Of this, about 147 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 May up to October. You might get some rain, but the temperatures are just right to explore Long Island.
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 2 | 2 | 6 | 12 | 19 | 24 | 26 | 26 | 22 | 16 | 9 | 4 |
| Temp. min (°C) | -7 | -7 | -3 | 3 | 9 | 14 | 17 | 17 | 13 | 7 | 0 | -4 |
| Precipitation |  |
|
|
|
|
|
|
|
|
|
|
|
| Precipitation (mm) | 150 | 127 | 74 | 143 | 105 | 121 | 145 | 120 | 110 | 138 | 106 | 126 |
| Snow (cm) | 47 | 48 | 20 | 4,8 | 0,1 | 0 | 0 | 0 | 0 | 0 | 4,5 | 22 |
| UV Index | 2 | 3 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 3 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 14°C
- Highest temperature: 26°C in July and August
- Lowest temperature: 2°C in January and February
- Precipitation*: 1465 mm per year, averaging 122 mm per month
- Snowfall: 147 cm per year
- Driest months: 74 mm in March, 105 mm in May and 106 mm in November
- Wettest months: 150 mm in January, 145 mm in July and 143 mm in April
*Precipitation is measured as a combination of rain, snow, and hail
Plan your next vacation
Don’t miss the best vacation deals for Long Island and see what our partners have for you.
Table of Contents
Average Temperature per Month in Long Island
This graph shows the average maximum temperatures per month in Long Island, Maine. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Long Island
This graph shows how much rainfall Long Island, Maine, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.
Average Snowfall per Month in Long Island
This graph shows how much snow Long Island, Maine, gets on average per month. The amount of snowfall is measured in centimeters and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Long Island
This graph shows the average UV index per month in Long Island, Maine. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Long Island
This graph shows the average yearly temperature in Long Island, Maine. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Long Island
This chart shows the total yearly precipitation in Long Island, Maine, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Long Island
This chart shows the total yearly snowfall in Long Island, Maine, over the past few years. The total yearly snowfall, measured in centimeters, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Long Island
Have you been to Long Island?
Share your weather experiences in Long Island.
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.
