Nikko
Japan · Asia
Year-round range: 26°F to 81°F
May
Excellent conditions this month
Expect the month to feel wet and cloudy overall; any bright breaks do not cancel out the frequent rain.
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
May has comfortable temperatures — not too hot, not too cold.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = MayPrecipitation
Monthly precipitation, wet-day risk, and snow signal where relevant.
May is one of the wetter months — pack rain gear.
Sunshine
Average hours of bright sun per day.
Expect the month to feel wet and cloudy overall; any bright breaks do not cancel out the frequent rain.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Humidity and heat feel by month.
May is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for May.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In May, afternoons reach about 68° and nights settle near 55°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity |
|---|---|---|---|---|---|---|
| Jan | 40°F | 26°F | 6 | 1.2in | 4.7h | 68.14285714285714% |
| Feb | 41°F | 26°F | 6 | 1.2in | 4.8h | 67.85714285714285% |
| Mar | 56°F | 39°F | 10 | 2.8in | 5h | 73.57142857142856% |
| Apr | 60°F | 42°F | 12 | 4.4in | 5.1h | 72% |
| May | 68°F | 51°F | 14 | 5.4in | 4.6h | 77.28571428571428% |
| Jun | 73°F | 60°F | 22 | 6.7in | 3.5h | 83.28571428571428% |
| Jul | 80°F | 67°F | 25 | 6.9in | 3.6h | 87% |
| Aug | 81°F | 69°F | 24 | 9.7in | 4h | 86.42857142857143% |
| Sep | 75°F | 63°F | 16 | 8.0in | 3.7h | 85.57142857142857% |
| Oct | 65°F | 51°F | 13 | 4.5in | 4.2h | 82.28571428571428% |
| Nov | 55°F | 40°F | 7 | 2.0in | 4.7h | 77.28571428571428% |
| Dec | 41°F | 27°F | 6 | 1.5in | 4.7h | 78.42857142857143% |
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Planning notes
Expect some rain.