Johnston Atoll, US Minor Outlying Islands Weather Information
Local Time
2026-03-12 07:50:42 Hawaii-Aleutian Standard TimeWeather in the past year
Sun & Astronomy
In Johnston Atoll, US Minor Outlying Islands, today's sunrise time is 07:26, sunset time is 19:28, nautical twilight begins at 06:40, nautical twilight ends at 20:14, astronomical twilight begins at 06:15, astronomical twilight ends at 20:39.
Temperature Analysis
In Johnston Atoll, US Minor Outlying Islands region, the lowest temperature occurs in February 2025, with an average temperature of about 25.2°C.
The highest temperature occurs in September 2025, with a maximum temperature of up to 27.1°C.
Based on historical data, the average temperature in January is 25.3°C, February is 25.2°C, March is 25.5°C, April is 25.6°C, May is 26.1°C, June is 26.4°C, July is 26.7°C, August is 26.9°C, September is 27.1°C, October is 27.1°C, November is 26.6°C, December is 25.7°C.
Wind Analysis
In Johnston Atoll, US Minor Outlying Islands region, the lowest wind speed occurs in December 2025, with an average wind speed of about 36.4 km/h.
The highest wind speed occurs in November 2025, with a maximum wind speed of up to 44.6 km/h.
Based on historical data, the average wind speed in January is 44.2 km/h, February is 38 km/h, March is 40.9 km/h, April is 37.8 km/h, May is 42.3 km/h, June is 38.9 km/h, July is 43.5 km/h, August is 42.3 km/h, September is 38.4 km/h, October is 43 km/h, November is 44.6 km/h, December is 36.4 km/h.
Sunshine Duration Analysis
In Johnston Atoll, US Minor Outlying Islands region, the lowest sunshine duration occurs in December 2025, with an average sunshine duration of about 9.5 hours.
The highest sunshine duration occurs in June 2025, with a maximum sunshine duration of up to 12 hours.
Based on historical data, the average sunshine duration in January is 10.5 hours, February is 10.9 hours, March is 10.9 hours, April is 11.2 hours, May is 11.8 hours, June is 12 hours, July is 11.7 hours, August is 11.5 hours, September is 11.4 hours, October is 10.6 hours, November is 9.8 hours, December is 9.5 hours.
Precipitation Analysis
In Johnston Atoll, US Minor Outlying Islands region, the lowest precipitation occurs in February 2025, with an average precipitation of about 0.4 mm.
The highest precipitation occurs in December 2025, with a maximum precipitation of up to 4.2 mm.
Based on historical data, the average precipitation in January is 0.6 mm, February is 0.4 mm, March is 1.1 mm, April is 1.5 mm, May is 0.9 mm, June is 0.9 mm, July is 1 mm, August is 0.6 mm, September is 1.1 mm, October is 1.2 mm, November is 2.2 mm, December is 4.2 mm.