The report is based on rainfall readings from our main weather station in Għarb. using a manual rain gauge set-up as per standards established by the World Meteorological Organization (WMO). Obviously, rainfall distribution varies widely from one location to another. For this reason, we have included a list of localities around the Maltese Islands along with their respective rainfall totals at the end of the report.

 

Precipitation Totals

Total Rainfall in September 2022 87.2 mm
Total Rainfall in October 2022 27.7 mm
Total Rainfall in November 2022 176.8 mm
Total Rainfall in December 2022 7.0 mm
Total Rainfall in January 2023 58.4 mm
Total Rainfall in February 2023 149.4 mm
Total Rainfall in March 2023 11.6 mm
Total Rainfall in April 2023 29.1 mm
Total Rainfall in May 2023 23.6 mm
Total Rainfall in June 2023 5.8 mm
Total Rainfall in July 2023 0.0 mm
Total Rainfall in August 2023 9.1 mm

 

Total Rainfall from 1st September 2022 till 31st August 2023 585.7 mm

 

Highest 24 Hour Total 121.1 mm 9th February 2023

 

Rain Days 62 days
Thunderstorm Days 32 days
Hail Days 15 days

 

2022/2023 Precipitation Compared to the Climate Means

  Climate Mean 2022/2023 Anomaly
Total Rainfall in September 2022 55.8 mm 87.2 mm +31.4 mm
Total Rainfall in October 2022 86.4 mm 27.7 mm -58.7 mm
Total Rainfall in November 2022 94.9 mm 176.8 mm +81.9 mm
Total Rainfall in December 2022 83.3 mm 7.0 mm -76.3 mm
Total Rainfall in January 2023 69.4 mm 58.4 mm -11.0 mm
Total Rainfall in February 2023 59.5 mm 149.4 mm +89.9 mm
Total Rainfall in March 2023 41.0 mm 11.6 mm -12.5 mm
Total Rainfall in April 2023 16.6 mm 29.1 mm +12.5 mm
Total Rainfall in May 2023 9.4 mm 23.6 mm +14.2 mm
Total Rainfall in June 2023 4.0 mm 5.8 mm +1.8 mm
Total Rainfall in July 2023 0.2 mm 0.0 mm -0.2 mm
Total Rainfall in August 2023 10.9 mm 9.1 mm -1.8 mm

 

Total Rainfall Since Last 01/09 531.4 mm 585.7 mm +54.3 mm

 

Total Rain Days 84 62 -22 days
Total Thunderstorm Days 26 32 +6 days
Total Hail Days 8 15 +7 days

 

Rainfall Events

Date Rainfall Description
22/09/2022 40.9 mm Steady Light Rain; P.M. Thunderstorm
23/09/2022 39.2 mm A.M. Thunderstorm
25/09/2022 5.7 mm A.M. Showers
30/09/2022 1.4 mm P.M. Shower; Distant Thunder
10/10/2022 27.7 mm Thunderstorm with Hail
05/11/2022 21.2 mm Isolated Showers; Thunderstorm with Hail
12/11/2022 21.2 mm Thunderstorm with Hail
13/11/2022 2.4 mm Isolated Shower
14/11/2022 22.1 mm Thunderstorm with Hail
17/11/2022 9.3 mm Shower; Distant Thunder
20/11/2022 21.0 mm Thunderstorm; Isolated Showers
21/11/2022 10.4 mm Showers
22/11/2022 1.4 mm Isolated Showers
23/11/2022 1.8 mm Isolated Showers
24/11/2022 1.8 mm Isolated Showers
26/11/2022 15.9 mm Thunderstorm; Severe Thunderstorm with Hail
27/11/2022 11.7 mm Showers
29/11/2022 23.5 mm Thunderstorms with Hail
30/11/2022 13.1 mm Thunderstorm with Hail
02/12/2022 1.3 mm Light Showers
06/12/2022 0.2 mm Mist/Fog and Dew
07/12/2022 0.3 mm Light Showers
10/12/2022 2.5 mm Showers; Distant Thunder
11/12/2022 0.2 mm Light Showers
20/12/2022 0.5 mm Mist/Fog and Dew
26/12/2022 0.3 mm Mist/Fog and Dew
27/12/2022 0.5 mm Mist/Fog and Dew
28/12/2022 0.5 mm Mist/Fog and Dew
29/12/2022 0.2 mm Mist/Fog and Dew
30/12/2022 0.3 mm Mist/Fog and Dew
31/12/2022 0.2 mm Mist/Fog and Dew
01/01/2023 0.3 mm Dew
02/01/2023 0.2 mm Light Rain
03/01/2023 0.3 mm Light Rain
09/01/2023 2.8 mm Rain and Hail Showers
10/01/2023 0.8 mm Rain Showers
12/01/2023 1.8 mm Light Rain
19/01/2023 1.3 mm Rain Showers; Distant Thunder
20/01/2023 3.1 mm A.M. Thunderstorm with Hail
21/01/2023 0.5 mm Light Rain
22/01/2023 9.3 mm Showers and Thunderstorms with Hail
24/01/2023 9.3 mm Steady Rain; Distant Thunder
25/01/2023 0.8 mm A.M. Light Rain; Distant Thunder
26/01/2023 9.8 mm Thunderstorm with Hail
27/01/2023 9.8 mm Thunderstorm; Rain and Hail Showers
28/01/2023 8.3 mm Thunderstorm with Hail; Showers
29/01/2023 0.0 mm Distant Thunder and Hail
02/02/2023 1.1 mm Light Rain
07/02/2023 3.0 mm Light Rain
08/02/2023 18.7 mm P.M. Steady Rain
09/02/2023 121.1 mm Steady Rain; Thunderstorms
10/02/2023 2.5 mm A.M. Steady Rain; Distant Thunder and Hail
13/02/2023 1.5 mm Light Rain
14/02/2023 0.5 mm Light Rain
21/02/2023 0.3 mm Dew; Fog
22/02/2023 0.2 mm Dew; Fog
23/02/2023 0.3 mm Dew; Fog
24/02/2023 0.2 mm Dew; Fog
02/03/2023 7.5 mm Thunderstorm with Hail
03/03/2023 4.1 mm Showers
02/04/2023 15.8 mm P.M. Rainy
03/04/2023 4.2 mm A.M. Showers
05/04/2023 0.3 mm Light Rain; Distant Thunder
16/04/2023 8.8 mm Rainy
02/05/2023   Distant Showers
07/05/2023   Fog
08/05/2023 1.0 Light Rain
09/05/2023 2.4 Light Rain
11/05/2023   Mist
12/05/2023 0.5 Light Rain
13/05/2023 1.9 Light Rain; Distant Thunder
14/05/2023   Haze
15/05/2023 4.0 Thunderstorm
16/05/2023   Distant Showers
19/05/2023   Distant Showers
20/05/2023   Haze; Widespread Dust
21/05/2023 13.8 Thunderstorm
22/05/2023   Distant Showers
25/05/2023   Distant Thunder
26/05/2023   Distant Showers
28/05/2023   Fog
29/05/2023   Fog
30/05/2023   Haze
02/06/2023   Distant Showers
05/06/2023 1.8 Thunderstorm
06/06/2023 2.4 Thunderstorm
10/06/2023 1.3 Showers
11/06/2023 0.3 Light Rain
19/06/2023   Fog
30/06/2023   Fog
01/07/2023   Mist
10/07/2023   Mist
12/07/2023   Haze
16/07/2023   Fog
21/08/2023 9.1 Thunderstorm
26/08/2023   Widespread Dust
27/08/2023   Fog
31/08/2023   Distant Thunderstorm

 

Comparing 2022/2023 to Past Decade

2012/2013 – 461.3 mm (below average)

2013/2014 – 454.7 mm (below average)

2014/2015 – 657.0 mm (above average)

2015/2016 – 265.0 mm (below average)

2016/2017 – 349.1 mm (below average)

2017/2018 – 441.2 mm (below average)

2018/2019 – 505.2 mm (below average)

2019/2020 – 406.0 mm (below average)

2020/2021 – 414.7 mm (below average)

2021/2022 – 586.0 mm (above average)

2022/2023 – 585.7 mm (above average)

 

Comparing Different Localities around the Maltese Islands

Għarb – 585.7 mm

Victoria – 514.3 mm

Xewkija – 509.8 mm

Nadur – 508.1 mm

Marsalforn – 534.9 mm

Mellieħa – 490.9 mm

Buġibba – 570.0 mm

Mġarr – 546.8 mm

Naxxar – 687.4 mm

Mosta – 662.4 mm

Ħad-Dingli – 544.8 mm

Msida – 719.1 mm

Tas-Sliema – 687.5 mm

Valletta – 535.8 mm

Imqabba – 596.5 mm

Ħaż-Żabbar – 591.9 mm

Birżebbuġa – 493.9 mm

NATIONAL MEAN – 575.3 mm