Cassilis Rainfall Forecast

Today 14 Dec
75%1–5mm
Mon 15 Dec
10%< 1mm
Tue 16 Dec
20%< 1mm
Wed 17 Dec
10%< 1mm
Thu 18 Dec
10%< 1mm
Fri 19 Dec
30%< 1mm
Sat 20 Dec
45%1–5mm

Cassilis Rainfall Statistics View More

December Rainfall

Merriwa (Roscommon) (27km)

Total Rainfall 2025
551.4mm
Daily Average 2025
1.8mm
Wettest Day 27 May, 2025
37.8mm
Wet Days 2025
86/348 (25%)
Total Rainfall November
48.2mm
Daily Average November
1.6mm
Wettest Day 21 November, 2025
14mm
Wet Days November
12/30 (40%)
Total Rainfall December
15.8mm
Daily Average December
1.2mm
Wettest Day 12 December, 2025
8.8mm
Wet Days December
4/14 (29%)

Climate (2010–Present)

Merriwa (Roscommon) (27km)

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Annual Average 2020–2024
758.6mm
Monthly Average 2020–2025
59.4mm
Daily Average 2020–2025
2mm
Wettest Day 23 March, 2021
75.6mm

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