Climate averages 1991–2020
Saga 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 Saga: daytime highs average 23.2°C and nights cool to about 14.4°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 164 mm of rain on roughly 10 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 51 min on an average May day.
The nearest other city in this atlas is Kurume (22 km away). In May its highs average 23.8°C, 0.6°C warmer than Saga, with 170 mm of rain.
Among the 303 cities listed in Japan, Saga ranks joint 22nd of 303 for the warmest May highs and joint 228th of 303 for the driest May (rainfall, lowest first). The mean May high of those 303 cities is 21.3°C; Saga is 1.8°C warmer than that mean.
From May to June, average highs rise by 2.6°C to 25.8°C, and monthly rainfall rises from 164 mm to 344 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
Saga climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.1°C2.9°C | 2.9°C | 61 | 8.0 | 10.210 h |
| February | 10.3°C3.0°C | 3.0°C | 79 | 8.4 | 11.011 h |
| March | 13.7°C5.4°C | 5.4°C | 125 | 10.9 | 12.012 h |
| April | 18.7°C9.7°C | 9.7°C | 145 | 10.7 | 13.013 h |
| May, selected | 23.2°C14.4°C | 14.4°C | 164 | 10.3 | 13.914 h |
| June | 25.8°C18.9°C | 18.9°C | 344 | 15.9 | 14.314 h |
| July | 29.0°C23.0°C | 23.0°C | 309 | 17.6 | 14.114 h |
| August | 30.4°C23.9°C | 23.9°C | 181 | 14.6 | 13.413 h |
| September | 27.1°C20.2°C | 20.2°C | 189 | 12.3 | 12.412 h |
| October | 22.1°C14.7°C | 14.7°C | 108 | 7.3 | 11.411 h |
| November | 16.7°C9.6°C | 9.6°C | 93 | 8.0 | 10.510 h |
| December | 11.3°C5.0°C | 5.0°C | 71 | 7.4 | 10.010 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
- Kurume in MayJapan · 22 kmHigh 23.8°C · Low 13.8°C · 170 mm rain
- Tosu in MayJapan · 25 kmHigh 23.7°C · Low 13.8°C · 170 mm rain
- Ōmuta in MayJapan · 26 kmHigh 23.0°C · Low 15.0°C · 172 mm rain
- Kasuga in MayJapan · 36 kmHigh 23.7°C · Low 14.2°C · 147 mm rain
- Itoshima in MayJapan · 36 kmHigh 22.3°C · Low 15.5°C · 141 mm rain
- Maebaru-chūō in MayJapan · 37 kmHigh 21.6°C · Low 15.5°C · 141 mm rain
- Karatsu in MayJapan · 39 kmHigh 22.7°C · Low 15.6°C · 143 mm rain
- Fukuoka in MayJapan · 42 kmHigh 22.9°C · Low 14.7°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 Saga) is explained once on the Saga year overview and on the Sources, method and limits page.