Japan
Nagano in May: weather & travel advice
This month's data profile
Rain shapes the decision
Nagano in May is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 19 °C. With about 13 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
69/100 · #1
Warmth
#5
Dryness
#2
Sun
#1
Published best categories: Overall, City break, Active
Nagano · MayPhoto: Sl-Ziga · CC BY-SA 3.0Climate facts
- Average high
- 19 °C
- Average low
- 7 °C
- Rainy days (est.)
- 13 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 75 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| April | 14 | 1 | 12 | 91 | 6.1 | 76 | 2.2 | 52 |
| May (selected) | 19 | 7 | 13 | 107 | 6.6 | 75 | 1.8 | 69 |
| June | 23 | 13 | 16 | 149 | 6.0 | 79 | 1.4 | 67 |
How do the previous and next months compare?
Baseline: May (69/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| April | -17 | -5.6 °C | -5.9 °C | -0.6 | -16.6 mm | -0.5 h | +1.3 % | +0.4 m/s |
| June | -2 | +3.5 °C | +5.5 °C | +3.6 | +42.2 mm | -0.6 h | +4 % | -0.4 m/s |
All twelve months in context
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Where to stay in Nagano
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Useful next decisions
Frequently asked questions
How warm is Nagano in May?
The average daily high is around 19 °C, with an average daily low of about 7 °C.
Does it rain a lot in Nagano in May?
The curated estimate is about 13 rainy days per month, not a directly measured long-term average. Total precipitation averages around 107 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Nagano?
By the climate score, May, June and September are the strongest months for Nagano. May is one of them.