Climate Walnut - Illinois
Jan Ja Feb Fe Mar Ma Apr Ap May Ma Jun Ju Average high in ºF Av. high Hi 29 34 47 61 71 81 Average low in ºF Av. low Lo 12 17 28 38 50 59 Av. precipitation in inch Av. precip. Pre. 1.29 1.57 2.15 3.18 4.36 4.56 Av. snowfall in inch Snowfall Sn 10 8 3 1 0 0
Jul Ju Aug Au Sep Se Oct Oc Nov No Dec De Average high in ºF Av. high Hi 84 82 75 63 48 33 Average low in ºF Av. low Lo 63 61 52 40 30 17 Av. precipitation in inch Av. precip. Pre. 3.85 4.44 3.12 2.89 2.44 1.96 Av. snowfall in inch Snowfall Sn 0 0 0 0 1 9
What is the average weather in Walnut, Illinois? Walnut experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm and fairly wet, with the most precipitation arriving in June. Winters are cold and snowy, bringing significant snowfall, while January is the driest month overall.
January February March April May June July August September October November December
1 Jan 29.8 13.1 0.04 0.04 0.39 1.00 2 Jan 29.7 13.0 0.08 0.08 0.71 1.80 3 Jan 29.6 12.9 0.12 0.12 1.10 2.80 4 Jan 29.6 12.8 0.16 0.16 1.42 3.60 5 Jan 29.5 12.7 0.20 0.20 1.69 4.30 6 Jan 29.4 12.6 0.24 0.24 2.09 5.30 7 Jan 29.3 12.5 0.31 0.31 2.40 6.10 8 Jan 29.3 12.4 0.35 0.35 2.80 7.10 9 Jan 29.2 12.3 0.39 0.39 3.11 7.90 10 Jan 29.2 12.2 0.43 0.43 3.39 8.60 11 Jan 29.1 12.2 0.47 0.47 3.82 9.70 12 Jan 29.1 12.1 0.51 0.51 4.09 10.40 13 Jan 29.1 12.1 0.55 0.55 4.49 11.40 14 Jan 29.1 12.0 0.59 0.59 4.80 12.20 15 Jan 29.1 12.0 0.67 0.67 5.12 13.00 16 Jan 29.1 11.9 0.71 0.71 5.39 13.70 17 Jan 29.1 11.9 0.75 0.75 5.79 14.70 18 Jan 29.1 11.9 0.79 0.79 6.10 15.50 19 Jan 29.1 11.9 0.83 0.83 6.42 16.30 20 Jan 29.2 11.9 0.87 0.87 6.69 17.00 21 Jan 29.2 11.9 0.91 0.91 7.01 17.80 22 Jan 29.3 12.0 0.94 0.94 7.28 18.50 23 Jan 29.3 12.0 0.98 0.98 7.60 19.30 24 Jan 29.4 12.1 1.02 1.02 7.91 20.10 25 Jan 29.5 12.1 1.06 1.06 8.11 20.60 26 Jan 29.6 12.2 1.10 1.10 8.39 21.30 27 Jan 29.7 12.3 1.14 1.14 8.70 22.10 28 Jan 29.8 12.4 1.18 1.18 9.02 22.90 29 Jan 29.9 12.5 1.22 1.22 9.29 23.60 30 Jan 30.0 12.7 1.26 1.26 9.61 24.40 31 Jan 30.2 12.8 1.30 1.30 9.88 25.10
Weather history Walnut - June 2026
Day 01 Jun 82.9 63.0 0.00 - - 02 Jun 82.0 50.0 0.00 - - 03 Jun 84.9 54.0 0.00 - - 04 Jun 84.0 57.0 0.00 - - 05 Jun - - - - - 06 Jun - - - - - 07 Jun - - - - - 08 Jun - - - - - 09 Jun - - - - - 10 Jun - - - - - 11 Jun - - - - - 12 Jun - - - - - 13 Jun - - - - - 14 Jun - - - - - 15 Jun - - - - - 16 Jun - - - - - 17 Jun - - - - - 18 Jun - - - - - 19 Jun - - - - - 20 Jun - - - - - 21 Jun - - - - - 22 Jun - - - - - 23 Jun - - - - - 24 Jun - - - - - 25 Jun - - - - - 26 Jun - - - - - 27 Jun - - - - - 28 Jun - - - - - 29 Jun - - - - - 30 Jun - - - - -
Past weather Walnut
Jun 26 Normal Average high temperature Av. high temp. 83.5 ºF 29 ºF Average low temperature Av. low temp. 56.0 ºF 12 ºF Total precipitation Total precip. 0.00 inch 1.29 inch Total snowfall Total snowfall - inch 10 inch Highest max temperature Highest max temp. 84.9 ºF - Lowest max temperature Lowest max temp. 82.0 ºF - Highest min temperature Highest min temp. 63.0 ºF - Lowest min temperature Lowest min temp. 50.0 ºF -
× Past weather June 2026 incomplete - Missing data
Geo Walnut - Illinois
Country United States State Illinois County Bureau City Walnut Zip Code 61376 Longitude -89.59 dec. degr. Latitude 41.56 dec. degr. Altitude - Elevation
715ft ICAO - IATA -
Date and Time Walnut - Illinois
Local Time 02:28 AM Sunrise 05:26 AM Sunset 08:38 PM Day/Night Night Timezone Central Daylight Time Timezone DB America - Chicago