New Castle climate

Typical historical weather for New Castle, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for New Castle.

Annual average

12°C

across all months

Warmest month

28.3°C

Jul average high

Coolest month

-5.2°C

Jan average low

Annual rainfall

1144mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

34°C

22 June 2022

Coldest day

-27.1°C

2 January 2018

Wettest day

100.2mm

8 September 2018

Windiest day

11m/s

24 February 2019