Ibaraki weather by month & the best time to visit
🇯🇵 Japan · regional city · humid subtropical climate
The best time to visit Ibaraki is May — its sunniest month (Sunshine Score 65/100), with August and June close behind. Ibaraki averages about 1,948 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 136 mm of rain in May.
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- Sun hours / year
- 1,948
- Sunniest month
- May
- Peak score
- 65/100
- Rain / year
- 1,541 mm
- Midday UV at peak
- 7 (high)
- Population
- 354k
- Elevation
- 31 m

When is the best time to visit Ibaraki?
For sunshine, the best time to visit Ibaraki is May, then August and June. The dullest month is January (0/100, 69 mm of rain). The full month-by-month picture is in the table below.
How sunny is Ibaraki?
Ibaraki gets a moderate 1,948 hours of sunshine a year. 65 Sunshine Score points separate May (65) from January (0), so the month you pick matters. It ranks #10 of 79 destinations in Japan for annual sunshine, above the national median of 1,773 hours. The year's 1,541 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 8° / 46°F | 3° / 37°F | 69 mm | 2 |
| February | 7 | 9° / 48°F | 3° / 37°F | 62 mm | 3 |
| March | 29 | 13° / 55°F | 6° / 43°F | 106 mm | 4 |
| April | 51 | 17° / 63°F | 10° / 50°F | 122 mm | 5 |
| May | 65 | 21° / 70°F | 15° / 59°F | 136 mm | 6 |
| June | 63 | 24° / 75°F | 18° / 64°F | 162 mm | 6 |
| July | 63 | 27° / 81°F | 22° / 72°F | 153 mm | 6 |
| August | 65 | 28° / 82°F | 24° / 75°F | 138 mm | 7 |
| September | 63 | 26° / 79°F | 21° / 70°F | 195 mm | 6 |
| October | 63 | 21° / 70°F | 16° / 61°F | 225 mm | 4 |
| November | 48 | 16° / 61°F | 11° / 52°F | 101 mm | 2 |
| December | 19 | 11° / 52°F | 5° / 41°F | 72 mm | 2 |
See Ibaraki on the interactive sunshine globe →
Nearby places for sunshine
- Tokyo Japan · 90 km · best in Aug · 1,958 h sun/yr
- Sendai Japan · 222 km · best in May · 1,521 h sun/yr
- Niigata Japan · 228 km · best in May · 1,480 h sun/yr
- Yamagata Japan · 248 km · best in May · 1,521 h sun/yr
- Shizuoka Japan · 254 km · best in May · 2,035 h sun/yr
- Toyama Japan · 293 km · best in May · 1,590 h sun/yr
Nearest destinations
- Fukushima Japan · 116 km · 1,749 h sun/yr · best in May
- Izu Oshima Japan · 183 km · 1,871 h sun/yr · best in May
- Matsumoto Japan · 224 km · 1,590 h sun/yr · best in May
Head-to-head
How Ibaraki compares month by month: Ibaraki vs Tokyo · Ibaraki vs Sendai · Ibaraki vs Niigata · all comparisons
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