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Ni'ihau

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Ni'ihau Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Ni'ihau year round climate

  • Spring (March–May): Average 70–73°F, mild and dry climate with abundant sunshine. Common activities: snorkeling, diving, birdwatching. Recommended clothing: light and breathable clothing, sun-protective clothing, hat and sunglasses.
  • Summer (June–August): Average 76–77°F, hot and dry with long hours of sunshine. Common activities: swimming, sunbathing, water sports. Recommended clothing: light short-sleeved clothing, shorts, swimwear, sunscreen is essential.
  • Autumn (September–November): Average 76–75°F, comfortable climate, slightly more rainfall in September. Common activities: hiking, birdwatching, exploring the island's natural scenery. Recommended clothing: light jacket or long-sleeved shirt, choose clothing according to weather conditions.
  • Winter (December–February): Average 69–73°F, mild and dry, the relatively cooler season of the year. Common activities: whale watching (if the season is right), leisurely walks, enjoying the peaceful island atmosphere. Recommended clothing: light long-sleeved clothing, light jacket.

Ni'ihau climatological average

Annual average temperature: approx. 74.3°F / Annual rainfall: approx. 69 mm / Summer humidity: 60%–70% / Rainiest month: September

Ni'ihau monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
70.9°F
8.1
February
69.4°F
1.2
March
70.9°F
3.4
April
72.5°F
9.9
May
73.9°F
7.8
June
76.6°F
5.2
July
77°F
6.7
August
77.5°F
6.2
September
77.2°F
10
October
76.5°F
7.2
November
75°F
1.5
December
73.2°F
2.1

Ni'ihau weather for the next seven days

6/19
Friday
Patchy rain nearby
79.9°F/76.2°F
6/20
Saturday
Patchy rain nearby
78.1°F/76.1°F
6/21
Sunday
Patchy rain nearby
78.2°F/75.2°F
6/22
Monday
Patchy rain nearby
77.5°F/74.7°F
6/23
Tuesday
Patchy rain nearby
78.6°F/74.2°F
6/24
Wednesday
Patchy rain nearby
78.3°F/74.5°F
6/25
Thursday
Patchy rain nearby
78.7°F/74.4°F