WMO Normals
Hillsboro, Il Climate & Temperature
- Hillsboro, Il, Usa is at 39°9'N, 89°29'W,
- Hillsboro, Il has a humid subtropical climate that is mild with no dry season, constantly moist (year-round rainfall). Summers are hot and muggy with thunderstorms. Winters are mild with precipitation from mid-latitude cyclones. Seasonality is moderate. (Köppen-Geiger classification: Cfa).
- According to the Holdridge life zones system of bioclimatic classification Hillsboro, Il is situated in or near the cool temperate moist forest biome.
- The mean temperature is 12.3 degrees Celsius (54.1 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
- Average monthly temperatures vary by 27.7 °C (49.9°F). This indicates that the continentality type is continental, subtype subcontinental.
- In the winter time records indicate temperatures by day reach 4.4°C (40°F) on average falling to -6°C (21.2°F) overnight.
- In spring time temperatures climb reaching 18.9°C (66°F) generally in the afternoon with overnight lows of 6.1°C (43°F).
- During summer average high temperatures are 30.5°C (86.9°F) and average low temperatures are 17.3°C (63.1°F).
- Come autumn/ fall temperatures decrease achieving average highs of 20°C (68.1°F) during the day and lows of 7.2°C (44.9°F) generally shortly after sunrise.
- Total annual Precipitation averages 1034.4 mm (40.7 inches) which is equivalent to 1034.4 Litres/m² (25.37 Gallons/ft²).
- Were you to burrow down through the centre of the Earth from Hillsboro, Il you would pop up nearest to the climate station at Amsterdam Island, French Southern Lands where you would find a Marine west coast climate.
Hillsboro, Il Climate Table
| Climate Variable | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Max Temperature °C ( °F) | 3 (37) | 6 (42) | 12 (54) | 20 (67) | 25 (77) | 30 (85) | 32 (89) | 30 (87) | 27 (80) | 21 (69) | 13 (55) | 5 (41) | 19 (65) | ||
| Average Temperature °C ( °F) | -3 (27) | 0 (32) | 6 (44) | 13 (55) | 18 (65) | 23 (73) | 25 (77) | 24 (75) | 20 (68) | 14 (57) | 7 (45) | 0 (32) | 12 (54) | ||
| Average Min Temperature °C ( °F) | -8 (18) | -5 (22) | 0 (33) | 6 (44) | 12 (53) | 16 (62) | 19 (65) | 17 (62) | 13 (56) | 7 (44) | 2 (35) | -5 (23) | 6 (43) | ||
| Average Precipitation mm (in) | 49 (2) | 51 (2) | 93 (4) | 99 (4) | 118 (5) | 100 (4) | 99 (4) | 89 (3) | 90 (4) | 73 (3) | 88 (3) | 88 (3) | 1034 (41) | ||
| Average Daylight Hours/ Day | 9h 44' | 10h 39' | 11h 53' | 13h 11' | 14h 17' | 14h 51' | 14h 36' | 13h 39' | 12h 23' | 11h 05' | 9h 59' | 9h 27' | 12h 00' | ||
| Sun altitude at solar noon on the 21st day (°). | 31.2 | 40.5 | 51.4 | 63 | 71.3 | 74.4 | 71.3 | 63 | 51.5 | 40 | 30.9 | 27.6 | 51.3 |
Get Greater Insight into Hillsboro, Ils Climate
Climatemps.com contains over 12 and a half million climate comparison reports ready to view now. Colour coded comparison tables highlight differences and similarities in the data so you can better understand the nuances. Select the first letter of a location (for example one you know well) to discover the greater insight analysing Hillsboro, Ils climate relative to these others facilitates:
