Weather in Utsunomiya in July
Japan · 20-year averages, July
Shoulder season. July sits in between. You will get good days and you will lose some. You should expect rain on 19 days of the month, which is more days wet than dry.
July ranks 8 of 12 in Utsunomiya: past the worst of the year but short of May, which is the month to book if the dates are open.
Rain on 19 days, 6 of them heavy. Enough to need a plan B, not enough to need a plan around it. Natural fibres and a second shirt for the day. At 83% nothing dries, including you.
What the averages hide
Averages flatten a month, and this one hides a few things: 16 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest July day reached 37.4 °C and the coldest night fell to 12.9 °C, and the wettest single day dropped 142 mm — roughly 74% of the month's rain in one day.
July is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest July on record still delivered 321 mm against 82 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 192 mm average is a reasonable planning figure, not a promise.
Wind is light at 4.3 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 83%, high enough to notice on the warm days without dominating them.
How July sits in the year
Temperatures hold steady either side: 26.1 °C in June, 29.8 here, 30.9 in August. Nothing about the timing within the month matters much.
Daylight in July
July is at or near the longest days of Utsunomiya's year: 14.4 hours of daylight, losing 0.5 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.
An inland climate
With no coast nearby, the year swings a fair way — 33.5 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.
How busy it gets
Shoulder. The value months — prices ease off and you get the place closer to itself.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
July in Utsunomiya versus nearby
If Utsunomiya is one option among several, the nearby comparison is worth making. Tokyo is close enough to be a coin toss — within a degree on temperature, 4 days less rain. Niigata is a better bet in July — 4.4 °C cooler, 2 days less rain.
So: July is a compromise. May is 25 points better and is what Utsunomiya is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Utsunomiya
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 6.5 | -2.6 | 6 | 53 | 77 | 9.9 | 42 |
| February | 7.9 | -2.3 | 6 | 45 | 77 | 10.8 | 47 |
| March | 12 | 0.1 | 10 | 87 | 75 | 11.9 | 54 |
| April | 17.9 | 5.1 | 11 | 117 | 76 | 13.1 | 70 |
| May | 23.1 | 11 | 12 | 134 | 77 | 14.1 | 75 |
| June | 26.1 | 16 | 16 | 157 | 81 | 14.6 | 67 |
| July | 29.8 | 20.4 | 19 | 192 | 83 | 14.4 | 50 |
| August | 30.9 | 21.5 | 17 | 167 | 82 | 13.6 | 46 |
| September | 26.8 | 17.5 | 15 | 196 | 84 | 12.5 | 64 |
| October | 21 | 11 | 13 | 192 | 83 | 11.3 | 72 |
| November | 15.3 | 4.7 | 7 | 79 | 82 | 10.3 | 70 |
| December | 9.4 | -0.4 | 6 | 57 | 80 | 9.7 | 48 |
See all twelve months in Utsunomiya, or where else to go in July.
Planning the rest of the trip
- Flight time to Utsunomiya how long you are actually in the air
- Utsunomiya time zone and the difference from home
- Days until your trip count down to the departure date