What’s the climate like in Roselle?
The current climate of Roselle features average monthly temperatures ranging from highs of 29°C during the day to lows of 0°C. The average yearly temperature is around 16°C. At night, temperatures in the colder months average around -8°C and in the warmer months around 19°C.
The highest temperature recorded in Roselle in recent years was 38°C in August 2023. The lowest daytime temperature recorded was -24°C in January 2019.
On average, Roselle gets 1388 mm of precipitation each year. Of this, about 133 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit Roselle?
The best time to visit Roselle for pleasant to warm weather is April, May and July through October. There might be some rain during this period, but the temperatures are just right for exploring Roselle.
Climate Table of Roselle
The climate table of Roselle shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation 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) | 0 | 1 | 8 | 15 | 21 | 27 | 29 | 28 | 25 | 17 | 9 | 4 |
| Temp. min (°C) | -7 | -7 | 0 | 4 | 11 | 17 | 19 | 19 | 16 | 8 | 1 | -3 |
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| Precipitation (mm) | 43 | 99 | 79 | 173 | 191 | 238 | 103 | 84 | 117 | 121 | 42 | 98 |
| Snow (cm) | 31 | 54 | 18 | 5,2 | 0 | 0 | 0 | 0 | 0 | 1,9 | 5,8 | 17 |
| UV Index | 3 | 3 | 4 | 5 | 7 | 6 | 8 | 6 | 4 | 2 | 3 | 2 |
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: 16°C
- Highest temperature: 29°C in July
- Lowest temperature: 0°C in January
- Precipitation*: 1388 mm per year, averaging 116 mm per month
- Snowfall: 133 cm per year
- Driest months: 42 mm in November, 43 mm in January and 79 mm in March
- Wettest months: 238 mm in June, 191 mm in May and 173 mm in April
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Roselle
This graph shows the average maximum temperatures per month in Roselle, Illinois. 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 Roselle
This graph shows how much precipitation Roselle, Illinois, gets on average per month. Precipitation 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 precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Roselle
This graph shows how much snow Roselle, Illinois, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Roselle
This graph shows the average UV index per month in Roselle, Illinois. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Roselle
This graph shows the average yearly temperature in Roselle, Illinois. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Roselle
This chart shows the total yearly precipitation in Roselle, Illinois, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Roselle
This chart shows the total yearly snowfall in Roselle, Illinois, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Roselle
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Average Weather in Roselle by Month
Click on a month below to see detailed weather info for Roselle. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
