Climate averages 1991–2020
Katori-shi weather
in May.
A mild, 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 mild month in Katori-shi: daytime highs average 21.3°C and nights cool to about 14.4°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 136 mm of rain on roughly 12 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 03 min on an average May day.
The nearest other city in this atlas is Kamisu (15 km away). In May its highs average 20.4°C, 0.9°C cooler than Katori-shi, with 145 mm of rain.
Among the 303 cities listed in Japan, Katori-shi ranks joint 185th of 303 for the warmest May highs and joint 120th of 303 for the driest May (rainfall, lowest first). The mean May high of those 303 cities is 21.3°C; Katori-shi is level with that mean.
From May to June, average highs rise by 2.7°C to 24.0°C, and monthly rainfall rises from 136 mm to 157 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
Katori-shi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.5°C1.7°C | 1.7°C | 77 | 8.0 | 10.010 h |
| February | 9.2°C1.9°C | 1.9°C | 74 | 8.6 | 10.911 h |
| March | 12.4°C4.9°C | 4.9°C | 128 | 12.6 | 11.912 h |
| April | 17.1°C9.6°C | 9.6°C | 118 | 12.5 | 13.113 h |
| May, selected | 21.3°C14.4°C | 14.4°C | 136 | 12.0 | 14.014 h |
| June | 24.0°C18.1°C | 18.1°C | 157 | 13.6 | 14.515 h |
| July | 27.7°C22.0°C | 22.0°C | 149 | 13.6 | 14.314 h |
| August | 29.2°C23.5°C | 23.5°C | 103 | 10.7 | 13.514 h |
| September | 25.8°C20.8°C | 20.8°C | 171 | 13.8 | 12.412 h |
| October | 20.7°C15.6°C | 15.6°C | 213 | 13.0 | 11.311 h |
| November | 15.9°C10.0°C | 10.0°C | 107 | 10.7 | 10.310 h |
| December | 11.0°C4.5°C | 4.5°C | 73 | 9.2 | 9.810 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
- Kamisu in MayJapan · 15 kmHigh 20.4°C · Low 14.8°C · 145 mm rain
- Narita in MayJapan · 21 kmHigh 22.1°C · Low 14.0°C · 128 mm rain
- Ryūgasaki in MayJapan · 28 kmHigh 22.3°C · Low 13.7°C · 129 mm rain
- Inzai in MayJapan · 31 kmHigh 22.0°C · Low 14.0°C · 128 mm rain
- Sakura in MayJapan · 31 kmHigh 21.8°C · Low 14.4°C · 128 mm rain
- Tsuchiura in MayJapan · 34 kmHigh 22.2°C · Low 13.6°C · 129 mm rain
- Ushiku in MayJapan · 34 kmHigh 22.2°C · Low 13.5°C · 129 mm rain
- Toride in MayJapan · 37 kmHigh 22.3°C · Low 13.8°C · 131 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 Katori-shi) is explained once on the Katori-shi year overview and on the Sources, method and limits page.