Ipswich (SD) monthly weather averages

Average daytime temperature

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

Ipswich average temperature chart (Celsius) Ipswich average temperature chart (Fahrenheit)
Average monthly temperatures in Ipswich (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -6.4 -2.9 4.2 13.7 20.7 25.9 30 29.1 22.8 15.7 4.6 -4
°F 20.5 26.8 39.5 56.6 69.3 78.6 86 84.3 73.1 60.2 40.3 24.8

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.

Ipswich monthly rainfall chart (mm) Ipswich monthly rainfall chart (inches)
Average monthly rainfall in Ipswich (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 9 13 29 51 69 83 66 58 41 31 16 10
inches 0.4 0.5 1.1 2 2.7 3.3 2.6 2.3 1.6 1.2 0.6 0.4
Rainy days 6 6 7 9 10 11 9 8 7 5 6 7

Average annual rainfall in Ipswich: 423.534mm (166.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Ipswich

Ipswich average daily sunshine chart
Average daily sunshine Ipswich
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6 6.6 7.8 8.8 10.3 11.5 12.4 11.2 9.1 7.3 5.2 5

Day / night temperatures

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

Ipswich average minimum / maximum temperatures (Celsius) Ipswich average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ipswich (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -18.3 -14.8 -7.9 -0.4 6.2 11.8 14.7 13 7 0.6 -7.3 -15.3
Max °C -6.1 -2.6 4.5 14 21.1 26.3 30.4 29.5 23.2 16.1 4.9 -3.7
Min °F -0.9 5.4 17.9 31.3 43.1 53.2 58.4 55.3 44.6 33 18.9 4.5
Max °F 10 16.3 28.9 44.2 56.5 66.2 72.5 70.2 59.2 46.9 29.8 14.9

Sea temperature

The graph below shows the average sea temperature.

Ipswich average sea temperature chart (Celsius) Ipswich average sea temperature chart (Fahrenheit)
Average sea temperature around Ipswich in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.1 6.9 7.3 8.1 9.4 11.4 13.9 16.6 15.6 12.5 9.7 7.9
°F 44.8 44.5 45.1 46.5 48.9 52.5 57 61.9 60 54.4 49.4 46.2

Wind speed

The graph below shows the average wind speed.

Ipswich average winspeed by month (km/h) Ipswich average winspeed by month (mph)
Average wind speed in Ipswich (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 18 21 22 21 18 16 17 18 18 18 18
mph 11 11 13 14 13 11 10 11 11 11 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.

Ipswich relative humidity averages
Average relative humidity in Ipswich
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 73% 72% 64% 62% 66% 63% 63% 65% 66% 73% 74%