Climate of Long Island
The region Long Island has a tropical savanna climate. It is warm every month with both a wet and dry season. The average annual temperature for Long Island is 26° degrees and there is about 638 mm of rain in a year. It is dry for 101 days a year with an average humidity of 77% and an UV-index of 7.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 24°C and 29°C
- Night:the average nighttime temperature is between 23°C and 28°C
- Rain: it rains 199 days and there is a total of approximately 641 mm rainfall
- Sun hours: throughout the year there are 3244 sun hours
Maximum temperature: | between 24°C and 29°C |
Warmest month: | 29°C in August |
Coldest month: | 24°C in January |
Night temperature: | between 23°C and 28°C |
Dry days: | 166 days |
Days with rain: | 199 days |
Days with snow: | 0 days |
Total rain sum: | 641 mm |
Hours of sunshine: | 3244 hours |
Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Long Island.
Precipitation graph
This graph shows the average amount of rainfall per month for Long Island.
Climate table of Long Island
In this climate table you can see at a glance what the average weather per month is for Long Island. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Long Island might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 24 | 24 | 24 | 25 | 26 | 28 | 28 | 29 | 29 | 28 | 26 | 25 |
Night temp. (°C) | 23 | 23 | 23 | 24 | 25 | 27 | 28 | 28 | 28 | 27 | 26 | 24 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 44 | 25 | 26 | 24 | 59 | 54 | 50 | 73 | 71 | 127 | 53 | 35 |
Days with rain | 15 | 13 | 13 | 12 | 17 | 16 | 18 | 18 | 20 | 23 | 17 | 17 |
Dry days | 16 | 15 | 18 | 18 | 14 | 14 | 13 | 13 | 10 | 8 | 13 | 14 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 6 | 6 | 9 | 11 | 11 | 11 | 11 | 11 | 10 | 8 | 6 | 6 |
Wind force (Bft) | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 4 |
UV-index | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 |
Best time to visit Long Island
For visiting Long Island, the best time to visit is January through September and November and December. In this period you have a warm temperature and little precipitation. The highest average temperature in the Long Island region is 29°C in August and the lowest is 24°C in January.
Climate of Long Island by month
What is the average climate in a given month for Long Island? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
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