Climate averages 1991–2020
Tatsuno weather
in May.
A mild, wet month: the 6th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Tatsuno: daytime highs average 20.5°C and nights cool to about 13.9°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 146 mm of rain on roughly 10 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 58 min on an average May day.
The nearest other city in this atlas is Himeji (14 km away). In May its highs average 20.8°C, about as warm as Tatsuno, with 145 mm of rain.
Among the 303 cities listed in Japan, Tatsuno ranks joint 236th of 303 for the warmest May highs and 170th of 303 for the driest May (rainfall, lowest first). The mean May high of those 303 cities is 21.3°C; Tatsuno is 0.8°C cooler than that mean.
From May to June, average highs rise by 3.3°C to 23.8°C, and monthly rainfall rises from 146 mm to 185 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Tatsuno climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.1°C2.4°C | 2.4°C | 50 | 7.1 | 10.110 h |
| February | 8.9°C2.5°C | 2.5°C | 64 | 7.9 | 10.911 h |
| March | 12.1°C4.8°C | 4.8°C | 112 | 9.9 | 11.912 h |
| April | 16.5°C9.2°C | 9.2°C | 131 | 10.3 | 13.013 h |
| May, selected | 20.5°C13.9°C | 13.9°C | 146 | 10.2 | 14.014 h |
| June | 23.8°C18.4°C | 18.4°C | 185 | 12.4 | 14.514 h |
| July | 27.3°C22.8°C | 22.8°C | 193 | 12.8 | 14.214 h |
| August | 28.9°C24.1°C | 24.1°C | 112 | 10.4 | 13.513 h |
| September | 25.9°C20.8°C | 20.8°C | 195 | 12.3 | 12.412 h |
| October | 21.0°C15.3°C | 15.3°C | 144 | 8.9 | 11.311 h |
| November | 15.6°C9.6°C | 9.6°C | 74 | 7.0 | 10.410 h |
| December | 10.4°C4.7°C | 4.7°C | 61 | 6.9 | 9.910 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Himeji in MayJapan · 14 kmHigh 20.8°C · Low 13.8°C · 145 mm rain
- Kakogawachō-honmachi in MayJapan · 27 kmHigh 20.9°C · Low 14.1°C · 145 mm rain
- Miki in MayJapan · 40 kmHigh 21.8°C · Low 14.4°C · 139 mm rain
- Akashi in MayJapan · 47 kmHigh 21.4°C · Low 14.7°C · 139 mm rain
- Tsuyama in MayJapan · 55 kmHigh 22.9°C · Low 12.8°C · 144 mm rain
- Okayama in MayJapan · 59 kmHigh 22.9°C · Low 14.1°C · 124 mm rain
- Kobe in MayJapan · 60 kmHigh 22.4°C · Low 15.0°C · 150 mm rain
- Sandachō in MayJapan · 63 kmHigh 22.0°C · Low 13.3°C · 147 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tatsuno) is explained once on the Tatsuno year overview and on the Sources, method and limits page.