Selwyn Rainfall Forecast

Today 15 Aug
90%1–5mm
Sat 16 Aug
80%1–5mm
Sun 17 Aug
40%< 1mm
Mon 18 Aug
30%< 1mm
Tue 19 Aug
15%< 1mm
Wed 20 Aug
5%< 1mm
Thu 21 Aug
5%< 1mm

Selwyn Rainfall Statistics View More

August Rainfall

Archerton (18km)

Total Rainfall 2025
609.6mm
Daily Average 2025
2.7mm
Wettest Day 27 July, 2025
51.4mm
Wet Days 2025
98/227 (43%)
Total Rainfall July
249.4mm
Daily Average July
8mm
Wettest Day 27 July, 2025
51.4mm
Wet Days July
24/31 (77%)
Total Rainfall August
16mm
Daily Average August
1.1mm
Wettest Day 5 August, 2025
9.2mm
Wet Days August
7/15 (47%)

Climate (2010–Present)

Archerton (18km)

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Annual Average 2020–2024
1380.9mm
Monthly Average 2020–2025
111mm
Daily Average 2020–2025
3.6mm
Wettest Day 8 June, 2023
134.2mm

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