Boom monthly weather averages

Average daytime temperature

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

Boom average temperature chart (Celsius) Boom average temperature chart (Fahrenheit)
Average monthly temperatures in Boom (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.9 6.3 9.6 13.2 17.5 20.7 22.3 22.3 19.4 14.4 9.2 6.1
°F 40.9 43.3 49.2 55.8 63.5 69.2 72.1 72.2 66.9 58 48.6 42.9

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.

Boom monthly rainfall chart (mm) Boom monthly rainfall chart (inches)
Average monthly rainfall in Boom (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 65 50 67 52 65 75 75 63 62 72 78 73
inches 2.6 2 2.6 2.1 2.6 3 3 2.5 2.4 2.8 3.1 2.9
Rainy days 18 14 17 15 16 14 15 15 16 18 19 18

Average annual rainfall in Boom: 852.4mm (335.6 inches)

Average daily sunshine

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

Boom average daily sunshine chart
Average daily sunshine Boom
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.8 3.3 4.3 5.8 7.3 7.6 7.2 7.6 6 4.1 2.7 1.7

Day / night temperatures

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

Boom average minimum / maximum temperatures (Celsius) Boom average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Boom (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0 0.4 2.1 4.4 8.1 11.3 13.1 12.9 10.6 7 3.7 1.2
Max °C 5.1 6.5 9.8 13.5 17.8 20.9 22.5 22.6 19.6 14.6 9.4 6.2
Min °F 31.9 32.6 35.7 39.8 46.5 52.3 55.6 55.1 51.1 44.6 38.6 34.2
Max °F 36.5 38.1 42.6 48 55.2 61 64 63.9 59.2 51.4 43.7 38.7

Sea temperature

The graph below shows the average sea temperature.

Boom average sea temperature chart (Celsius) Boom average sea temperature chart (Fahrenheit)
Average sea temperature around Boom in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.3 6.3 6.6 8.6 11.3 14.2 16.8 18.4 17.7 15.3 12.1 9.2
°F 45.1 43.3 43.9 47.5 52.4 57.6 62.3 65.1 63.9 59.6 53.8 48.5

Wind speed

The graph below shows the average wind speed.

Boom average winspeed by month (km/h) Boom average winspeed by month (mph)
Average wind speed in Boom (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 17 17 15 14 14 13 13 14 14 17 17
mph 11 10 11 9 9 9 8 8 9 9 10 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.

Boom relative humidity averages
Average relative humidity in Boom
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
85% 82% 80% 72% 71% 72% 76% 76% 79% 83% 85% 87%

Other monthly averages

UV index Best time to go?

Boom weather stats

Boom weather statistics
Hottest month: July 22.3°C 72.1°F
Driest month: February 50mm 2ins
Sunniest month: August 7.6hrs
Coldest month: January 4.9°C 40.8°F
Wettest month: November 78mm 3.1ins
Warmest sea: August 18.4°C 65.1°F
Map showing location of Boom (51.09242, 4.3717) Boom map pin © Google

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