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What’s the climate like in St. Augustine?

The current climate of St. Augustine features average monthly temperatures ranging from highs of 29°C during the day to lows of 0°C. The average yearly temperature is around 17°C. At night, temperatures in the colder months average around -8°C and in the warmer months around 18°C.

The highest temperature recorded in St. Augustine in recent years was 38°C in August 2023. The lowest daytime temperature recorded was -22°C in January 2019.

On average, St. Augustine gets 995 mm of precipitation each year. Of this, about 63 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.

Best time to visit St. Augustine?

The best time to visit St. Augustine for sunny weather is June through August and October. During this period, you'll have good temperatures and not too much rain, making it a great time to visit St. Augustine. 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 St. Augustine

The climate table of St. Augustine 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
Temp. max (°C) 0 3 10 17 23 29 29 28 26 18 10 5
Temp. min (°C) -8 -7 0 5 12 18 19 18 14 8 0 -3
Precipitation
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Precipitation (mm) 29 64 58 72 121 114 95 83 135 119 66 39
Snow (cm) 21 22 6,0 2,5 0 0 0 0 0 1,0 4,3 6,1
UV Index 2 2 2 3 4 5 5 3 5 3 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: 17°C
  • Highest temperature: 29°C in June and July
  • Lowest temperature: 0°C in January
  • Precipitation*: 995 mm per year, averaging 83 mm per month
  • Snowfall: 63 cm per year
  • Driest months: 29 mm in January, 39 mm in December and 58 mm in March
  • Wettest months: 135 mm in September, 121 mm in May and 119 mm in October

*Precipitation is measured as a combination of rain, snow, and hail

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Average Temperature per Month in St. Augustine

This graph shows the average maximum temperatures per month in St. Augustine, Illinois. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in St. Augustine, Illinois,

Average Precipitation per Month in St. Augustine

This graph shows how much precipitation St. Augustine, 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.

Precipitation per Month in St. Augustine, Illinois,

Average Snowfall per Month in St. Augustine

This graph shows how much snow St. Augustine, 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.

Snowfall per Month in St. Augustine, Illinois,

Average UV Index per Month in St. Augustine

This graph shows the average UV index per month in St. Augustine, Illinois. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in St. Augustine, Illinois,

Yearly Temperature in St. Augustine

This graph shows the average yearly temperature in St. Augustine, Illinois. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in St. Augustine, Illinois,

Total Yearly Precipitation in St. Augustine

This chart shows the total yearly precipitation in St. Augustine, 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.

Yearly Precipitation in St. Augustine, Illinois,

Total Yearly Snowfall in St. Augustine

This chart shows the total yearly snowfall in St. Augustine, 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.

Yearly Snowfall in St. Augustine, Illinois,

Weather experiences in St. Augustine

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Average Weather in St. Augustine by Month

Click on a month below to see detailed weather info for St. Augustine. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.

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