What’s the climate like in 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.
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.
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.
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.
- Average yearly temperature: 27°C
- Highest temperature: 33°C in July and August
- Lowest temperature: 17°C in January
- Precipitation: 1796 mm per year, averaging 150 mm per month
- Driest months: 72 mm in February, 86 mm in March and 122 mm in October
- Wettest months: 226 mm in May, 222 mm in August and 210 mm in June
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Table of Contents
Average Temperature per Month in Grand Lake
This graph shows the average maximum temperatures per month in Grand Lake, Louisiana. 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 Grand Lake
This graph shows how much rainfall Grand Lake, Louisiana, 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 UV Index per Month in Grand Lake
This graph 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.
Yearly Temperature in Grand Lake
This graph shows the average yearly temperature in Grand Lake, Louisiana. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Grand Lake
This chart shows the total yearly precipitation in Grand Lake, Louisiana, 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.
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.
