Weathermondo.com
United StatesThe climate of Grand Lake
The current climate in Grand Lake features temperatures ranging from a high of 33°C to a low of 17°C throughout the year. The average yearly temperature is around 27°C. At night, temperatures in the colder months average around 6°C and in the warmer months around 25°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 Grand Lake, Louisiana.
Temperature records
The highest temperature recorded in Grand Lake in recent years was 42°C in August 2023. The lowest daytime temperature recorded was -2°C in December 2022.
Rainfall amount
On average, Grand Lake receives 1796 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
The hurricane season in Grand Lake runs from June to November.
Best time to visit Grand Lake?
The best time to visit Grand Lake for mild to warm weather is January up to April, July and September up to December. You might get some rain, but the temperatures are just right to explore Grand Lake.
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Climate Table of Grand Lake
The climate table of Grand Lake shows the average temperatures, rainfall, 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) | 17 | 20 | 23 | 26 | 30 | 32 | 33 | 33 | 32 | 28 | 22 | 20 |
| Temp. min (°C) | 6 | 10 | 14 | 16 | 21 | 24 | 25 | 25 | 23 | 18 | 11 | 10 |
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| Precipitation (mm) | 131 | 72 | 86 | 157 | 226 | 210 | 132 | 222 | 171 | 122 | 126 | 141 |
| UV Index | 5 | 5 | 7 | 8 | 7 | 8 | 8 | 8 | 7 | 7 | 5 | 4 |
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 Grand Lake, Louisiana. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Grand Lake
Yearly Temperature in Grand Lake
Precipitation charts
These charts show the average amount of precipitation in Grand Lake, Louisiana. 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 Grand Lake
Total Yearly Precipitation in Grand Lake
UV index chart
This chart shows the average UV index per month in Grand Lake, Louisiana. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Grand Lake
Weather experiences in Grand Lake
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Average weather in Grand Lake by month
Click on a month below to see detailed weather info for Grand Lake. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.