Weathermondo.com
United StatesThe climate of Sussex
The current climate in Sussex features temperatures ranging from a high of 27°C to a low of -1°C throughout the year. The average yearly temperature is around 14°C. At night, temperatures in the colder months average around -10°C and in the warmer months around 17°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 Sussex, Wisconsin.
Temperature records
The highest temperature recorded in Sussex in recent years was 37°C in August 2023. The lowest daytime temperature recorded was -25°C in January 2019.
Precipitation and snowfall
On average, Sussex gets 852 mm of precipitation each year. Of this, about 119 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Sussex?
The best time to visit Sussex for sunny weather is May through September. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Sussex. 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.
Climate Table of Sussex
The climate table of Sussex 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) | -1 | -1 | 6 | 12 | 19 | 25 | 27 | 26 | 23 | 16 | 9 | 2 |
| Temp. min (°C) | -8 | -9 | -2 | 2 | 9 | 14 | 17 | 17 | 13 | 7 | 1 | -4 |
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| Precipitation (mm) | 37 | 47 | 56 | 90 | 119 | 77 | 62 | 83 | 80 | 95 | 67 | 39 |
| Snow (cm) | 33 | 43 | 14 | 8,5 | 0,1 | 0 | 0 | 0 | 0 | 1,0 | 6,4 | 12 |
| UV Index | 2 | 2 | 4 | 6 | 4 | 5 | 5 | 4 | 4 | 4 | 2 | 1 |
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 Sussex, Wisconsin. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Sussex
Yearly Temperature in Sussex
Precipitation charts
These charts show the average amount of precipitation in Sussex, Wisconsin. 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 Sussex
Total Yearly Precipitation in Sussex
Average Snowfall per Month in Sussex
Total Yearly Snowfall in Sussex
UV index chart
This chart shows the average UV index per month in Sussex, Wisconsin. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Sussex
Weather experiences in Sussex
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Average weather in Sussex by month
Click on a month below to see detailed weather info for Sussex. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.