Sliema monthly weather averages

Average daytime temperature

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

Sliema average temperature chart (Celsius) Sliema average temperature chart (Fahrenheit)
Average monthly temperatures in Sliema (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15 15.2 16.3 18.7 22.7 26.9 29.9 30.1 27.6 23.8 19.8 16.5
°F 59 59.4 61.4 65.7 72.9 80.4 85.9 86.2 81.6 74.9 67.6 61.6

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.

Sliema monthly rainfall chart (mm) Sliema monthly rainfall chart (inches)
Average monthly rainfall in Sliema (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 80 55 37 20 7 3 0 6 36 86 70 99
inches 3.2 2.2 1.5 0.8 0.3 0.1 0 0.2 1.4 3.4 2.7 3.9
Rainy days 13 10 9 6 3 1 0 1 4 10 10 14

Average daily sunshine

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

Sliema average daily sunshine chart
Average daily sunshine Sliema
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.6 6.6 7.6 8.7 10.1 11.5 12.4 11.5 9.2 7.7 6.7 5.5

Day / night temperatures

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

Sliema average minimum / maximum temperatures (Celsius) Sliema average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sliema (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 9.3 9.3 10.1 11.9 14.9 18.5 21.1 21.9 20.3 17.2 13.9 11
Max °C 15.2 15.4 16.5 18.9 22.9 27.1 30.2 30.3 27.8 24 20 16.6
Min °F 48.7 48.7 50.2 53.4 58.8 65.3 69.9 71.4 68.5 63 56.9 51.8
Max °F 54 54.1 55.9 59.7 66 73 78.1 79 75.2 69.1 62.4 56.8

Sea temperature

The graph below shows the average sea temperature.

Sliema average sea temperature chart (Celsius) Sliema average sea temperature chart (Fahrenheit)
Average sea temperature around Sliema in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.6 15.7 15.6 16.4 18.7 22 25.2 26.6 25.9 23.9 21.2 18.3
°F 61.9 60.3 60.1 61.5 65.6 71.7 77.4 79.9 78.6 75.1 70.1 65

Wind speed

The graph below shows the average wind speed.

Sliema average winspeed by month (km/h) Sliema average winspeed by month (mph)
Average wind speed in Sliema (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 18 18 18 16 14 13 13 13 14 16 17
mph 11 11 11 11 10 9 8 8 8 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.

Sliema relative humidity averages
Average relative humidity in Sliema
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
79% 78% 78% 77% 74% 71% 70% 73% 76% 78% 77% 79%

Other monthly averages

UV index Best time to go?

Sliema weather stats

Sliema weather statistics
Hottest month: August 30.1°C 86.2°F
Driest month: July 0mm 0ins
Sunniest month: July 12.4hrs
Coldest month: January 15°C 59°F
Wettest month: December 99mm 3.9ins
Warmest sea: August 26.6°C 79.9°F
Map showing location of Sliema (35.9125, 14.50194)

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