What’s the climate like in Thayer?
The current climate of Thayer features average monthly temperatures ranging from highs of 30°C during the day to lows of 3°C. The average yearly temperature is around 18°C. At night, temperatures in the colder months average around -6°C and in the warmer months around 19°C.
The highest temperature recorded in Thayer in recent years was 37°C in August 2023. The lowest daytime temperature recorded was -19°C in January 2014.
On average, Thayer gets 1471 mm of precipitation each year. Of this, about 19 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit Thayer?
The best time to visit Thayer for pleasant to warm weather is April through June and August through October. There might be some rain during this period, but the temperatures are just right for exploring Thayer.
Climate Table of Thayer
The climate table of Thayer 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) | 3 | 5 | 12 | 18 | 24 | 29 | 30 | 29 | 27 | 19 | 11 | 6 |
| Temp. min (°C) | -6 | -4 | 2 | 7 | 14 | 19 | 20 | 19 | 15 | 8 | 1 | -2 |
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| Precipitation (mm) | 95 | 71 | 118 | 147 | 109 | 169 | 234 | 195 | 83 | 93 | 91 | 66 |
| Snow (cm) | 7,5 | 7,6 | 1,0 | 0,2 | 0 | 0 | 0 | 0 | 0 | 0 | 0,9 | 1,5 |
| UV Index | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 5 | 3 | 3 | 3 |
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: 18°C
- Highest temperature: 30°C in July
- Lowest temperature: 3°C in January
- Precipitation*: 1471 mm per year, averaging 123 mm per month
- Snowfall: 19 cm per year
- Driest months: 66 mm in December, 71 mm in February and 83 mm in September
- Wettest months: 234 mm in July, 195 mm in August and 169 mm in June
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Thayer
This graph shows the average maximum temperatures per month in Thayer, 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 Thayer
This graph shows how much precipitation Thayer, 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 Thayer
This graph shows how much snow Thayer, 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 Thayer
This graph shows the average UV index per month in Thayer, Illinois. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Thayer
This graph shows the average yearly temperature in Thayer, 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 Thayer
This chart shows the total yearly precipitation in Thayer, 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 Thayer
This chart shows the total yearly snowfall in Thayer, 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 Thayer
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Average Weather in Thayer by Month
Click on a month below to see detailed weather info for Thayer. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
