Average Temperatures in Decatur, Il, Usa Temperature

Average Temperatures in Decatur, Il, Usa

The annual average temperature in Decatur, Il, Usa is quite mild at 11.6 degrees Celsius (52.9 degrees Fahrenheit).

There is a range of average monthly temperatures of 28.4 °C (51.1°F) which is a moderate range.

The mean diurnal temperature range/ variation is 12.2 °C (21.9 °F).

The hottest month (July) is fairly hot with a mean temperature of 24.6 degrees Celsius (76.28 degrees Fahrenheit).

January is the coldest month (slightly cold) with an average temperature of -3.8 degrees Celsius (25.16 degrees Fahrenheit).

Average Temperatures Table for Decatur, Il

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average Max Temperature °C ( °F)	1.2 (34.2)	4 (39.2)	11.1 (52)	18.6 (65.5)	24.5 (76.1)	29.3 (84.7)	31.1 (88)	29.8 (85.6)	26.7 (80.1)	19.9 (67.8)	11.5 (52.7)	3.8 (38.8)	17.6 (63.7)
Average Temperature °C ( °F)	-3.8 (25.2)	-1.2 (29.8)	5.3 (41.5)	12.1 (53.8)	17.7 (63.9)	22.6 (72.7)	24.6 (76.3)	23.3 (73.9)	19.8 (67.6)	13.2 (55.8)	6.2 (43.2)	-0.9 (30.4)	11.6 (52.9)
Average Min Temperature °C ( °F)	-8.9 (16)	-6.5 (20.3)	-0.4 (31.3)	5.6 (42.1)	10.8 (51.4)	15.7 (60.3)	18 (64.4)	16.7 (62.1)	12.8 (55)	6.6 (43.9)	0.9 (33.6)	-5.6 (21.9)	5.5 (41.9)

Annual

Average Max Temperature °C ( °F)

1.2 (34.2)

4 (39.2)

11.1 (52)

18.6 (65.5)

24.5 (76.1)

29.3 (84.7)

31.1 (88)

29.8 (85.6)

26.7 (80.1)

19.9 (67.8)

11.5 (52.7)

3.8 (38.8)

17.6 (63.7)

Average Temperature °C ( °F)

-3.8 (25.2)

-1.2 (29.8)

5.3 (41.5)

12.1 (53.8)

17.7 (63.9)

22.6 (72.7)

24.6 (76.3)

23.3 (73.9)

19.8 (67.6)

13.2 (55.8)

6.2 (43.2)

-0.9 (30.4)

11.6 (52.9)

Average Min Temperature °C ( °F)

-8.9 (16)

-6.5 (20.3)

-0.4 (31.3)

5.6 (42.1)

10.8 (51.4)

15.7 (60.3)

18 (64.4)

16.7 (62.1)

12.8 (55)

6.6 (43.9)

0.9 (33.6)

-5.6 (21.9)

5.5 (41.9)

Decatur, Il Average Temperatures Chart

The average temperature charts use a fixed scale so that you can easily compare temperatures between two or more locations. Simply line up the charts in separate tabs in your browser and toggle between tabs to visualise the differences. The charts have major grid lines at intervals of 10 °C on the left axis corresponding with intervals of 18 °F on the right axis. Minor gridlines mark intervals of 2.5 °C and 4.5 °F. The charts show the relationship between the Celsius and Fahrenheit measuring scales. Locations in the northern hemisphere run from January to December and in the southern hemisphere from July to June so that the middle of the chart always corresponds with the high sun period (for the hemisphere).

Average Temperatures in Decatur, Il, Usa

Average Temperatures Table for Decatur, Il

Decatur, Il Average Temperatures Chart

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