Selwyn Rainfall Forecast

Today 4 May
90%1–5mm
Tue 5 May
55%< 1mm
Wed 6 May
80%1–5mm
Thu 7 May
95%5–10mm
Fri 8 May
75%1–5mm
Sat 9 May
15%< 1mm
Sun 10 May
15%< 1mm

Selwyn Rainfall Statistics View More

May Rainfall

Archerton (18km)

Total Rainfall 2026
258mm
Daily Average 2026
2.3mm
Wettest Day 23 February, 2026
45mm
Wet Days 2026
42/124 (34%)
Total Rainfall April
53.6mm
Daily Average April
1.8mm
Wettest Day 10 April, 2026
31.8mm
Wet Days April
10/30 (33%)
Total Rainfall May
6.4mm
Daily Average May
2.1mm
Wettest Day 3 May, 2026
6.4mm
Wet Days May
1/4 (25%)

Climate (2010–Present)

Archerton (18km)

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Annual Average 2021–2025
1313.8mm
Monthly Average 2021–2026
110.5mm
Daily Average 2021–2026
3.7mm
Wettest Day 8 June, 2023
134.2mm

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