Spring (March–May): Average 21.6–23.3°C, 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 24.8–25.3°C, 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 24.7–23.9°C, 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 20.8–22.9°C, 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. 23.5°C / Annual rainfall: approx. 69 mm / Summer humidity: 60%–70% / Rainiest month: September
Ni'ihau monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
21.6°C
8.1
February
20.8°C
1.2
March
21.6°C
3.4
April
22.5°C
9.9
May
23.3°C
7.8
June
24.8°C
5.2
July
25°C
6.7
August
25.3°C
6.2
September
25.1°C
10
October
24.7°C
7.2
November
23.9°C
1.5
December
22.9°C
2.1
Ni'ihau weather for the next seven days
6/19
Friday
Patchy rain nearby
26.6°C/24.6°C
6/20
Saturday
Patchy rain nearby
25.6°C/24.5°C
6/21
Sunday
Patchy rain nearby
25.7°C/24°C
6/22
Monday
Patchy rain nearby
25.3°C/23.7°C
6/23
Tuesday
Patchy rain nearby
25.9°C/23.4°C
6/24
Wednesday
Patchy rain nearby
25.7°C/23.6°C
6/25
Thursday
Patchy rain nearby
26°C/23.5°C
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