New Castle (IN) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at New Castle

New Castle average temperature chart (Celsius) New Castle average temperature chart (Fahrenheit)
Average monthly temperatures in New Castle (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0 2.3 8.8 15.8 21.8 26.7 28.4 27.4 24.2 17.7 10.1 2.7
°F 32 36.1 47.9 60.4 71.3 80.1 83.2 81.4 75.6 63.8 50.1 36.9

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

New Castle monthly rainfall chart (mm) New Castle monthly rainfall chart (inches)
Average monthly rainfall in New Castle (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 63 61 87 104 114 99 113 88 75 69 88 77
inches 2.5 2.4 3.4 4.1 4.5 3.9 4.4 3.5 3 2.7 3.5 3
Rainy days 12 11 14 12 11 10 10 9 9 9 11 13

Average annual rainfall in New Castle: 993mm (390.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in New Castle

New Castle average daily sunshine chart
Average daily sunshine New Castle
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.8 5.6 6.4 8 9.4 10.7 10.5 9.8 8.6 6.9 4.4 3.7

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

New Castle average minimum / maximum temperatures (Celsius) New Castle average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in New Castle (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -9.2 -7.5 -1.5 3.8 9.3 14 16.1 14.9 11.1 4.6 -0.1 -5.8
Max °C 0.2 2.5 9.1 16.1 22.2 27.1 28.8 27.8 24.6 18 10.3 3
Min °F 15.4 18.5 29.3 38.8 48.7 57.1 60.9 58.7 51.9 40.3 31.8 21.7
Max °F 23.9 27.5 38.8 49.8 60.3 68.9 72.3 70.3 64 52.3 41.2 29.5

Sea temperature

The graph below shows the average sea temperature.

New Castle average sea temperature chart (Celsius) New Castle average sea temperature chart (Fahrenheit)
Average sea temperature around New Castle in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.1 6.3 6.4 7.9 11.2 16.7 22.2 23.9 21.9 17 12.3 8.9
°F 44.7 43.3 43.5 46.2 52.1 62.1 72 75 71.4 62.6 54.1 48

Wind speed

The graph below shows the average wind speed.

New Castle average winspeed by month (km/h) New Castle average winspeed by month (mph)
Average wind speed in New Castle (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 18 19 19 16 15 13 12 13 15 17 18
mph 12 11 12 12 10 9 8 8 8 9 11 11

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

New Castle relative humidity averages
Average relative humidity in New Castle
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 73% 70% 65% 66% 67% 71% 73% 73% 71% 74% 77%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

New Castle weather stats

New Castle weather statistics
Hottest month: July 28.4°C 83.1°F
Driest month: February 61mm 2.4ins
Sunniest month: July 10.5hrs
Coldest month: January -0°C 32°F
Wettest month: May 114mm 4.5ins
Warmest sea: August 23.9°C 75°F
Map showing location of New Castle (39.92894, -85.37025) New Castle map pin © Google

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