Climate averages 1991–2020
Mihara weather
in June.
A warm, very wet month: the 4th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in Mihara: daytime highs average 25.9°C and nights cool to about 18.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 192 mm of rain on roughly 13 days, which makes June a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 25 min on an average June day.
The nearest other city in this atlas is Onomichi (11 km away). In June its highs average 25.3°C, 0.5°C cooler than Mihara, with 182 mm of rain.
Among the 303 cities listed in Japan, Mihara ranks joint 37th of 303 for the warmest June highs and 161st of 303 for the driest June (rainfall, lowest first). The mean June high of those 303 cities is 24.4°C; Mihara is 1.5°C warmer than that mean.
From June to July, average highs rise by 3.5°C to 29.3°C, and monthly rainfall rises from 192 mm to 207 mm.
The annual picture
June 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
Mihara climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.7°C1.4°C | 1.4°C | 43 | 5.4 | 10.110 h |
| February | 9.8°C1.5°C | 1.5°C | 55 | 7.4 | 10.911 h |
| March | 13.3°C4.2°C | 4.2°C | 95 | 9.9 | 11.912 h |
| April | 18.4°C8.9°C | 8.9°C | 110 | 9.7 | 13.013 h |
| May | 22.9°C13.9°C | 13.9°C | 129 | 9.9 | 13.914 h |
| June, selected | 25.9°C18.6°C | 18.6°C | 192 | 12.8 | 14.414 h |
| July | 29.3°C23.1°C | 23.1°C | 207 | 13.7 | 14.214 h |
| August | 30.9°C24.3°C | 24.3°C | 125 | 12.2 | 13.413 h |
| September | 27.3°C20.4°C | 20.4°C | 160 | 11.0 | 12.412 h |
| October | 21.8°C14.2°C | 14.2°C | 103 | 7.6 | 11.311 h |
| November | 16.3°C8.5°C | 8.5°C | 59 | 6.6 | 10.410 h |
| December | 10.9°C3.6°C | 3.6°C | 50 | 5.9 | 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
June in nearby cities
- Onomichi in JuneJapan · 11 kmHigh 25.3°C · Low 18.4°C · 182 mm rain
- Fukuyama in JuneJapan · 28 kmHigh 25.9°C · Low 18.7°C · 182 mm rain
- Higashihiroshima in JuneJapan · 32 kmHigh 24.8°C · Low 17.7°C · 201 mm rain
- Imabari in JuneJapan · 37 kmHigh 24.9°C · Low 19.8°C · 249 mm rain
- Kure in JuneJapan · 51 kmHigh 23.2°C · Low 18.7°C · 226 mm rain
- Niihama in JuneJapan · 53 kmHigh 25.8°C · Low 19.5°C · 249 mm rain
- Saijō in JuneJapan · 55 kmHigh 26.8°C · Low 20.1°C · 249 mm rain
- Hiroshima in JuneJapan · 58 kmHigh 25.8°C · Low 18.5°C · 215 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 Mihara) is explained once on the Mihara year overview and on the Sources, method and limits page.