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 2020 133.7 mm
Total Rainfall in October 2020 32.5 mm
Total Rainfall in November 2020 86.6 mm
Total Rainfall in December 2020 94.1 mm
Total Rainfall in January 2021 41.4 mm
Total Rainfall in February 2021* 3.4 mm
Total Rainfall in March 2021 21.6 mm
Total Rainfall in April 2021 1.4 mm
Total Rainfall in May 2021 0.0 mm
Total Rainfall in June 2021 0.0 mm
Total Rainfall in July 2021 0.0 mm
Total Rainfall in August 2021 0.0 mm

* February 2021 was among the driest Februaries on record

 

Total Rainfall from 1st September 2020 till 31st August 2021 414.7 mm

 

Highest 24 Hour Total 112.1 mm 14th September 2020

 

Rain Days 72 days
Thunderstorm Days 29 days
Hail Days 14 days

 

2020/2021 Precipitation Compared to the Climate Means

  Climate Mean 2020/2021 Anomaly
Total Rainfall in September 49.9 mm 133.7 mm +83.8 mm
Total Rainfall in October 89.0 mm 32.5 mm -56.5 mm
Total Rainfall in November 90.1 mm 86.6 mm -3.5 mm
Total Rainfall in December 97.1 mm 94.1 mm -3.0 mm
Total Rainfall in January 85.4 mm 41.4 mm -44.0 mm
Total Rainfall in February 61.5 mm 3.4 mm -58.1 mm
Total Rainfall in March 39.8 mm 21.6 mm -18.2 mm
Total Rainfall in April 20.9 mm 1.4 mm -19.5 mm
Total Rainfall in May 9.9 mm 0.0 mm -9.9 mm
Total Rainfall in June 3.9 mm 0.0 mm -3.9 mm
Total Rainfall in July 0.3 mm 0.0 mm -0.3 mm
Total Rainfall in August 7.9 mm 0.0 mm -7.9 mm

 

  Climate Mean 2020/2021 Anomaly
Total Rainfall Since Last 01/09 555.7 mm 414.7 mm -141.0 mm

 

  Climate Mean 2020/2021 Anomaly
Total Rain Days 77 days 72 days -5 days
Total Thunderstorm Days 26 days 29 days +3 days
Total Hail Days 8 days 14 days +6 days

 

Rainfall Events

Date Rainfall Description
06/09/2020 0.3 mm Light Rain Shower (Distant Thunderstorms)
07/09/2020 TR mm Spots of Rain (Isolated Thunderstorm in Malta)
13/09/2020 15.3 mm Moderate Thunderstorm; Light Rain
14/09/2020 112.1 mm Heavy Thunderstorm and Hail
16/09/2020 2.5 mm Isolated Thunderstorm (Heavier in Malta)
22/09/2020 0.1 mm Spots of Rain
23/09/2020 1.1 mm Isolated Shower
27/09/2020 2.3 mm Blustery Thundery Shower
05/10/2020 0.5 mm Drizzle; Distant Thunder
06/10/2020 1.4 mm Isolated Thunderstorm
12/10/2020 3.6 mm Intermittent Light Rain
13/10/2020 0.3 mm Isolated Shower
19/10/2020 7.6 mm Periods of Rain
27/10/2020 12.3 mm Thunderstorm; Brief Light Rain
28/10/2020 6.8 mm Heavy Rain Shower
08/11/2020 0.1 mm Spots of Rain
15/11/2020 3.2 mm Isolated Shower
17/11/2020 17.9 mm Thunderstorm; Periods of Rain
21/11/2020 13.8 mm Isolated Showers; Thunderstorm
22/11/2020 9.4 mm Light Rain; Thunderstorm with Hail
23/11/2020 6.2 mm Showers; Distant Thunder
24/11/2020 8.3 mm Showers; Distant Thunder
25/11/2020 10.8 mm Showers; Distant Thunder
26/11/2020 0.8 mm Light Rain
02/12/2020 4.7 mm Showers
03/12/2020 6.9 mm Showers; Distant Thunder
04/12/2020 0.3 mm Light Rain
06/12/2020 2.9 mm Showers; Distant Thunder; Hail
07/12/2020 1.4 mm Showers
09/12/2020 3.6 mm A.M. Light Rain; P.M. Thundery Rain/Hail Shower
10/12/2020 0.7 mm Light Rain
11/12/2020 8.0 mm Showers
12/12/2020 16.0 mm Thundery Rain/Hail Shower
13/12/2020 1.3 mm P.M. Shower
19/12/2020 6.9 mm P.M. Thunderstorm
20/12/2020 6.8 mm Showers; Distant Thunder
21/12/2020 20.6 mm Thunderstorm with Hail
26/12/2020 1.7 mm P.M. Isolated Shower
27/12/2020 12.3 mm Blustery Rain/Hail Showers
01/01/2021 0.6 mm P.M. Shower
02/01/2021 8.5 mm Isolated Thunderstorm
03/01/2021 4.3 mm P.M. Rain/Hail Showers; Distant Thunder
04/01/2021 3.2 mm A.M. Rain/Hail Showers
08/01/2021 0.3 mm Light Rain
12/01/2021 2.3 mm Rain/Hail Showers
13/01/2021 0.5 mm Light Rain
14/01/2021 0.3 mm Light Rain
15/01/2021 1.5 mm Isolated Shower
16/01/2021 1.7 mm Isolated Rain/Hail Shower
17/01/2021 1.6 mm Isolated Shower (Hailstorm in Malta)
18/01/2021 2.1 mm Shower
23/01/2021 0.3 mm Light Rain
24/01/2021 0.3 mm Light Rain
26/01/2021 5.9 mm Showers
27/01/2021 0.5 mm Light Rain
28/01/2021 7.2 mm Showers
31/01/2021 0.3 mm Light Rain
02/02/2021 1.8 mm Isolated Shower
13/02/2021 1.1 mm Light Rain
14/02/2021 0.5 mm Light Rain
08/03/2021 1.3 mm Light Rain
09/03/2021 0.3 mm Light Rain
10/03/2021 0.9 mm Light Rain
16/03/2021 3.7 mm Isolated Thundery Shower (Hailstorm in Malta)
18/03/2021 3.6 mm Isolated Showers
20/03/2021 0.5 mm Light Rain
21/03/2021 4.6 mm Showers
22/03/2021 0.8 mm Light Rain
23/03/2021 5.6 mm Showers (Hailstorm in Malta)
30/03/2021 0.3 mm Heavy Dew
05/04/2021 1.4 mm Isolated Shower

 

Comparing 2020/2021 to Previous Years

2010/2011 – 508.4 mm

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

 

Comparing Different Localities

Għarb – 414.7 mm

Victoria – 421.6 mm

Xewkija – 400.1 mm

Nadur – 348.8 mm

Mellieħa – 282.6 mm

Buġibba – 345.6 mm

Mġarr (Malta) – 308.1 mm

Għargħur – 415.4 mm

Attard – 505.0 mm

Dingli – 334.8 mm

Msida – 452.9 mm

Valletta – 267.5 mm

Luqa – 444.3 mm

Imqabba – 408.1 mm

Żabbar – 479.2 mm

Birżebbuġa – 317.6 mm

Average – 368.5 mm