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 2021 9.6 mm
Total Rainfall in October 2021 241.0 mm
Total Rainfall in November 2021 177.5 mm
Total Rainfall in December 2021 62.1 mm
Total Rainfall in January 2022 35.1 mm
Total Rainfall in February 2022 5.0 mm
Total Rainfall in March 2022 21.2 mm
Total Rainfall in April 2022 4.7 mm
Total Rainfall in May 2022 20.1 mm
Total Rainfall in June 2022 0.0 mm
Total Rainfall in July 2022 0.0 mm
Total Rainfall in August 2022 9.7 mm

 

Total Rainfall from 1st September 2021 till 31st August 2022 586.0 mm

 

Highest 24 Hour Total 69.5 mm 3rd October 2021

 

Rain Days 82 days
Thunderstorm Days 29 days
Hail Days 10 days

 

2021/2022 Precipitation Compared to the Climate Means

  Climate Mean 2021/2022 Anomaly
Total Rainfall in September 2021 40.4 mm 9.6 mm -30.8 mm
Total Rainfall in October 2021 89.7 mm 241.0 mm +151.3 mm
Total Rainfall in November 2021 80.0 mm 177.5 mm +97.5 mm
Total Rainfall in December 2021 112.3 mm 62.1 mm -50.2 mm
Total Rainfall in January 2022 89.0 mm 35.1 mm -53.9 mm
Total Rainfall in February 2022 61.3 mm 5.0 mm -56.3 mm
Total Rainfall in March 2022 40.9 mm 21.2 mm -19.7 mm
Total Rainfall in April 2022 22.5 mm 4.7 mm -17.8 mm
Total Rainfall in May 2022 6.6 mm 20.1 mm +13.5 mm
Total Rainfall in June 2022 3.2 mm 0.0 mm -3.2 mm
Total Rainfall in July 2022 0.3 mm 0.0 mm -0.3 mm
Total Rainfall in August 2022 7.0 mm 9.7 mm +2.7 mm

 

Total Rainfall Since Last 01/09 553.2 mm 586.0 mm +32.8 mm

 

Total Rain Days 84 82 -2 days
Total Thunderstorm Days 26 29 +3 days
Total Hail Days 8 10 +2 days

 

Rainfall Events

Date Rainfall Description
04/09/2021 3.6 mm Thunderstorm
06/09/2021 1.5 mm Isolated Thunderstorm
09/09/2021 2.6 mm Isolated Shower; Distant Thunder
10/09/2021 1.5 mm Isolated Shower; Distant Thunder
11/09/2021 0.4 mm Isolated Shower
02/10/2021 32.1 mm Thunderstorm; Hail
03/10/2021 69.5 mm Thunderstorm; Hail
05/10/2021 2.4 mm P.M. Isolated Thunderstorm
06/10/2021 3.0 mm A.M. Isolated Thunderstorm
07/10/2021 1.2 mm Isolated Showers
08/10/2021 2.1 mm Isolated Showers
09/10/2021 0.3 mm Isolated Showers
10/10/2021 3.7 mm Isolated Showers; Distant Thunder
12/10/2021 0.4 mm Isolated Showers
14/10/2021 34.5 mm Steady Rain; Thunder
15/10/2021 0.5 mm Isolated Showers
16/10/2021 0.2 mm Light Rain
18/10/2021 1.0 mm Isolated Showers; Distant Thunder
25/10/2021 24.1 mm P.M. Steady Rain; Thunder
26/10/2021 39.7 mm A.M. Steady Rain; Thunder; P.M. Showers
27/10/2021 11.9 mm Showers
28/10/2021 2.8 mm Isolated Showers
29/10/2021 4.6 mm Light Rain
30/10/2021 0.3 mm Light Rain
31/10/2021 6.7 mm Light Rain; P.M. Steady Rain
01/11/2021 19.9 mm Thunderstorm
08/11/2021 0.3 mm Light Rain
09/11/2021 2.8 mm Showers
11/11/2021 48.8 mm Heavy Thunderstorm; Hail
15/11/2021 2.5 mm Isolated Shower
22/11/2021 2.8 mm Showers; Distant Thunder
25/11/2021 61.3 mm Heavy Thunderstorm; Hail
27/11/2021 3.3 mm Showers; Distant Thunder
28/11/2021 30.7 mm Steady Rain; Thunder
29/11/2021 4.1 mm Showers
30/11/2021 1.0 mm Isolated Shower
02/12/2021 0.3 mm Light Rain
03/12/2021 29.9 mm Steady Rain; Distant Thunder
04/12/2021 2.4 mm Showers
05/12/2021 1.5 mm Isolated Showers
06/12/2021 4.3 mm Showers; Hail
09/12/2021 3.1 mm Isolated Showers; Hail
10/12/2021 0.3 mm Light Rain
11/12/2021 16.4 mm Intermittent Light Rain; Hail
12/12/2021 0.3 mm Light Rain
16/12/2021 2.8 mm Isolated Showers
23/12/2021 0.5 mm Light Rain
28/12/2021 0.3 mm Light Rain
06/01/2022 1.3 mm Light Rain
09/01/2022 2.5 mm Showers
10/01/2022 6.6 mm Showers
12/01/2022 4.6 mm Showers
13/01/2022 18.1 mm Rainy
21/01/2022 0.5 mm Light Rain
24/01/2022 1.5 mm Rain and Hail Shower; Thunder
01/02/2022 3.3 mm Rain and Hail Showers
11/02/2022 0.3 mm Dew
13/02/2022 0.3 mm Dew
14/02/2022 0.3 mm Light Rain
16/02/2022 0.5 mm Light Rain
23/02/2022 0.3 mm Light Rain
01/03/2022 0.3 mm Light Rain Shower; Hail and Thunder in Vicinity
05/03/2022 0.5 mm Light Rain
07/03/2022 0.8 mm Light Rain
12/03/2022 3.3 mm P.M. Rain
13/03/2022 13.7 mm A.M. Rain; Thunder in Vicinity
19/03/2022 0.8 mm Light Rain
20/03/2022 0.5 mm Light Rain
21/03/2022 0.5 mm Light Rain
30/03/2022 0.5 mm Light Rain
31/03/2022 0.3 mm Light Rain
01/04/2022 0.5 mm Light Rain
07/04/2022 0.3 mm Light Rain
15/04/2022 0.8 mm Light Rain
16/04/2022 1.8 mm Isolated Shower
17/04/2022 0.8 mm Isolated Shower
18/04/2022 0.5 mm Light Rain
01/05/2022 0.8 mm Light Rain
02/05/2022 0.3 mm Light Rain
08/05/2022 6.1 mm Rain Shower; Distant Thunder
09/05/2022 0.3 mm Light Rain
29/05/2022 12.6 mm Rain Shower; Distant Thunder and Hail
10/8/2022 4.6 mm Showers, Thunder in Vicinity
11/8/2022 5.1 mm Showers, Thunder in Vicinity, Waterspouts
12/8/2022 0.0 mm Thunder in Vicinity

 

Comparing 2021/2022 to Past Decade

2011/2012 – 668.0 mm

2012/2013 – 461.3 mm

2013/2014 – 454.7 mm

2014/2015 – 657.0 mm

2015/2016 – 265.0 mm

2016/2017 – 349.1 mm

2017/2018 – 441.2 mm

2018/2019 – 505.2 mm

2019/2020 – 406.0 mm

2020/2021 – 414.7 mm

2021/2022 – 586.0 mm

 

Comparing Different Localities around the Maltese Islands

Għarb: 586.0 mm

Victoria: 615.3 mm

Xewkija: 562.6 mm

Nadur: 626.8 mm

Marsalforn: 629.4 mm

Mellieħa: 587.8 mm

Buġibba: 651.7 mm

Mġarr: 644.1 mm

Naxxar: 688.1 mm

Mosta: 605.5 mm

Dingli: 497.1 mm

Msida: 627.7 mm

Valletta: 384.6 mm

Imqabba: 592.8 mm

Żabbar: 607.5 mm

Birżebbuġa: 432.6 mm

Sliema: 594.9mm

NATIONAL MEAN: 584.8 mm