Wanganui weather by month & the best time to visit
New Zealand · seaside town · oceanic / maritime climate
The best time to visit Wanganui is January — its sunniest month (Sunshine Score 81/100), with February and March close behind. Wanganui averages about 2,180 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 55 mm of rain in January.
When is the best time to visit Wanganui?
For sunshine, the best time to visit Wanganui is January, then February and March. The dullest month is July (25/100, 90 mm of rain). The full month-by-month picture is in the table below.
How sunny is Wanganui?
Wanganui gets a moderate 2,180 hours of sunshine a year. 56 Sunshine Score points separate January (81) from July (25), so the month you pick matters. It ranks #22 of 26 destinations in New Zealand for annual sunshine, below the national median of 2,342 hours. The year's 973 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 81 | 22° / 72°F | 15° / 59°F | 55 mm | 9 | 21° / 70°F |
| February | 80 | 22° / 72°F | 15° / 59°F | 62 mm | 8 | 20° / 68°F |
| March | 80 | 21° / 70°F | 14° / 57°F | 61 mm | 6 | 19° / 66°F |
| April | 63 | 18° / 64°F | 12° / 54°F | 88 mm | 4 | 17° / 63°F |
| May | 50 | 16° / 61°F | 11° / 52°F | 87 mm | 2 | 15° / 59°F |
| June | 30 | 13° / 55°F | 9° / 48°F | 104 mm | 1 | 14° / 57°F |
| July | 25 | 12° / 54°F | 8° / 46°F | 90 mm | 1 | 12° / 54°F |
| August | 31 | 13° / 55°F | 8° / 46°F | 88 mm | 2 | 12° / 54°F |
| September | 38 | 14° / 57°F | 9° / 48°F | 88 mm | 3 | 14° / 57°F |
| October | 49 | 16° / 61°F | 10° / 50°F | 95 mm | 5 | 15° / 59°F |
| November | 59 | 17° / 63°F | 12° / 54°F | 70 mm | 7 | 17° / 63°F |
| December | 76 | 20° / 68°F | 14° / 57°F | 85 mm | 8 | 19° / 66°F |
Sea temperature in Wanganui by month
The sea off Wanganui is warmest in January at around 21°C / 70°F, and coolest in July at 12°C / 54°F. The water sits at a comfortable 21°C or warmer roughly 1 month a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
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Wanganui: questions and answers
What kind of destination is Wanganui?
Wanganui is a seaside town in New Zealand with a oceanic / maritime climate — the sea reaches 21°C at its warmest and is swimmable (21°C+) about 1 months a year.
How many hours of sunshine does Wanganui get a year?
Wanganui gets about 2,180 hours of sunshine a year, at its best around January.
When is the best time to visit Wanganui?
The sunniest time to visit Wanganui is January, when the Sunshine Score peaks at 81/100 (with February and March close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Wanganui?
July is the least sunny month in Wanganui, scoring 25/100 with about 90 mm of rain.
What is the sea temperature in Wanganui?
The sea in Wanganui ranges from about 12°C (July) to 21°C (January). Month-by-month sea temperatures are on this page.
How strong is the sun in Wanganui?
The typical midday UV index in Wanganui peaks around 9 (very high) in January, easing to about 1 (low) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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