United StatesThe climate of Mercer
The current climate in Mercer features temperatures ranging from a high of 33°C to a low of 10°C throughout the year. The average yearly temperature is around 23°C. At night, temperatures in the colder months average around -1°C and in the warmer months around 22°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 Mercer, Tennessee.
Temperature records
The highest temperature recorded in Mercer in recent years was 38°C in July 2022. The lowest daytime temperature recorded was -12°C in December 2022.
Precipitation and snowfall
On average, Mercer gets 1246 mm of precipitation each year. Of this, about 8,5 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Mercer?
The best time to visit Mercer for sunny weather is June and August through October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Mercer. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Mercer
The climate table of Mercer 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) | 10 | 12 | 17 | 22 | 27 | 31 | 33 | 31 | 29 | 24 | 17 | 13 |
| Temp. min (°C) | 0 | 2 | 6 | 10 | 16 | 20 | 22 | 21 | 17 | 11 | 4 | 3 |
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| Precipitation (mm) | 108 | 138 | 158 | 121 | 126 | 82 | 128 | 92 | 59 | 63 | 70 | 101 |
| Snow (cm) | 1,4 | 2,9 | 3,2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,2 | 0,8 |
| UV Index | 3 | 4 | 5 | 7 | 6 | 8 | 8 | 7 | 7 | 5 | 5 | 3 |
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 Mercer, Tennessee. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Mercer
Yearly Temperature in Mercer
Precipitation charts
These charts show the average amount of precipitation in Mercer, Tennessee. 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 Mercer
Total Yearly Precipitation in Mercer
Average Snowfall per Month in Mercer
Total Yearly Snowfall in Mercer
UV index chart
This chart shows the average UV index per month in Mercer, Tennessee. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Mercer
Weather experiences in Mercer
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Average weather in Mercer by month
Click on a month below to see detailed weather info for Mercer. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.