Weather in Utsunomiya in August

A hard month. August asks something of you. Go in knowing what. You should expect rain on 17 days of the month, which is more days wet than dry.

August ranks 11 of 12 — near the bottom of Utsunomiya's year. May is the month that works, and the swing between the two is 33 points, which is a different holiday rather than a slightly better one.

Rain on 17 days, 5 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 82% nothing dries, including you.

What the averages hide

Averages flatten a month, and this one hides a few things: 20 days top 30 °C, making the heat continuous rather than occasional. Across the twenty years measured, the hottest August day reached 38.1 °C and the coldest night fell to 13.6 °C, and the wettest single day dropped 96 mm — roughly 57% of the month's rain in one day.

August is moderately variable: 61 mm in the driest year against 399 mm in the wettest, around an average of 167 mm. Roughly two Augusts in three land near that average, and the third does something else entirely.

Wind is light at 4 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 82%, high enough to notice on the warm days without dominating them.

How August sits in the year

This is a turning point in the year — July and September sit on opposite sides of it, so the month contains the change rather than following it.

Daylight in August

13.6 hours of daylight, losing 1 hours across the month. That is between Utsunomiya's extremes of 14.6 and 9.7 hours, so days are long enough not to constrain the plan.

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

Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

August in Utsunomiya versus nearby

If Utsunomiya is one option among several, the nearby comparison is worth making. Tokyo is a better bet in August — within a degree on temperature, 4 days less rain. Niigata is a better bet in August — 3.2 °C cooler, 2 days less rain.

So: August is a compromise. May is 29 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

See all twelve months in Utsunomiya, or where else to go in August.