Climate averages 1991–2020
Sandachō weather
in May.
A warm, wet month: the 5th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Sandachō: daytime highs average 22.0°C and nights cool to about 13.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 147 mm of rain on roughly 11 days, which makes May a wet month (the 8th 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 Takarazuka (15 km away). In May its highs average 23.0°C, 1.0°C warmer than Sandachō, with 150 mm of rain.
Among the 303 cities listed in Japan, Sandachō ranks joint 135th of 303 for the warmest May highs and joint 171st of 303 for the driest May (rainfall, lowest first). The mean May high of those 303 cities is 21.3°C; Sandachō is 0.6°C warmer than that mean.
From May to June, average highs rise by 3.3°C to 25.3°C, and monthly rainfall rises from 147 mm to 186 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
Sandachō climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.4°C0.2°C | 0.2°C | 55 | 7.0 | 10.110 h |
| February | 8.4°C0.3°C | 0.3°C | 65 | 8.3 | 10.911 h |
| March | 12.1°C3.0°C | 3.0°C | 112 | 11.7 | 11.912 h |
| April | 17.3°C8.0°C | 8.0°C | 125 | 10.9 | 13.013 h |
| May, selected | 22.0°C13.3°C | 13.3°C | 147 | 11.1 | 14.014 h |
| June | 25.3°C18.0°C | 18.0°C | 186 | 14.0 | 14.514 h |
| July | 28.6°C22.5°C | 22.5°C | 221 | 16.6 | 14.314 h |
| August | 30.1°C23.5°C | 23.5°C | 134 | 13.9 | 13.513 h |
| September | 26.3°C19.7°C | 19.7°C | 196 | 12.9 | 12.412 h |
| October | 20.8°C13.6°C | 13.6°C | 154 | 9.2 | 11.311 h |
| November | 15.3°C7.6°C | 7.6°C | 78 | 7.0 | 10.410 h |
| December | 9.8°C2.5°C | 2.5°C | 62 | 7.0 | 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
- Takarazuka in MayJapan · 15 kmHigh 23.0°C · Low 14.2°C · 150 mm rain
- Nishinomiya in MayJapan · 21 kmHigh 23.0°C · Low 14.5°C · 150 mm rain
- Kobe in MayJapan · 22 kmHigh 22.4°C · Low 15.0°C · 150 mm rain
- Miki in MayJapan · 24 kmHigh 21.8°C · Low 14.4°C · 139 mm rain
- Toyonaka in MayJapan · 25 kmHigh 22.9°C · Low 13.8°C · 139 mm rain
- Akashi in MayJapan · 32 kmHigh 21.4°C · Low 14.7°C · 139 mm rain
- Osaka in MayJapan · 33 kmHigh 23.0°C · Low 14.1°C · 139 mm rain
- Kameoka in MayJapan · 35 kmHigh 22.4°C · Low 12.6°C · 154 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 Sandachō) is explained once on the Sandachō year overview and on the Sources, method and limits page.