June
Other strong months: May and September
76/100 weather score
Japan · 1991–2020
Best time to visit
Tsubame
For Tsubame, June has the most comfortable weather in our climate comparison. Typical daytime highs are 24.7°C, nights average 17.5°C, and rainfall totals about 113 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthJune
Typical daytime high24.7°C
Typical night-time low17.5°C
June rainfall113 mm
June
Other strong months: September and August
57/100 weather score
May
Other strong months: April and October
72/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
2 months fit your choices for Tsubame
The lowest comfort score is 5 out of 100. January, February, March and December share that score. In January, that is mainly because days reach only 5.8°C, 18° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Tsubame?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Tsubame?
June is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 24.7°C and 113 mm of rain.
What is the hottest month in Tsubame?
August is hottest in this record, with a typical daytime high of 30.5°C and a night-time low of 23.1°C.
Which month has the least rain?
May has the lowest monthly rainfall total at 94 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | 5.8°C | 0°C | 202 mm | 23.1 | 12.3°C | 9 h 49 | 5 | Good coverage |
| February | 6.5°C | -0.3°C | 140 mm | 19.4 | 10.4°C | 10 h 44 | 5 | Good coverage |
| March | 10.3°C | 1.9°C | 131 mm | 18.3 | 9.7°C | 11 h 50 | 5 | Good coverage |
| April | 16.2°C | 6.7°C | 109 mm | 12.1 | 10.9°C | 13 h 07 | 41 | Good coverage |
| May | 21.6°C | 12.7°C | 94 mm | 9.7 | 14.5°C | 14 h 11 | 74 | Good coverage |
| June | 24.7°C | 17.5°C | 113 mm | 9.4 | 19.3°C | 14 h 45 | 76 | Good coverage |
| July | 28.7°C | 22°C | 316 mm | 15.9 | 23.1°C | 14 h 32 | 21 | Good coverage |
| August | 30.5°C | 23.1°C | 222 mm | 12.6 | 26.3°C | 13 h 37 | 29 | Good coverage |
| September | 26.5°C | 19.4°C | 158 mm | 13.2 | 25.1°C | 12 h 23 | 57 | Good coverage |
| October | 20.6°C | 12.6°C | 186 mm | 14.3 | 21.6°C | 11 h 09 | 53 | Good coverage |
| November | 14.6°C | 6.6°C | 248 mm | 21.1 | 18.2°C | 10 h 05 | 8 | Good coverage |
| December | 9°C | 2.2°C | 242 mm | 22.9 | 15.1°C | 9 h 34 | 5 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 15.3°C1 Jan 1997 | -8.3°C21 Jan 1984 | 55 mm11 Jan 2002 | 367 mm2002 · driest 84 mm in 2006 | 75 |
| February | 21.3°C22 Feb 2004 | -10.6°C17 Feb 1978 | 60 mm2 Feb 1961 | 262 mm1983 · driest 0 mm in 2026 | 75 |
| March | 24.7°C27 Mar 2025 | -5.4°C7 Mar 1971 | 64 mm24 Mar 1963 | 199 mm1959 · driest 0 mm in 2026 | 75 |
| April | 30.7°C21 Apr 1987 | -1.8°C2 Apr 1970 | 61 mm23 Apr 2007 | 172 mm2003 · driest 0 mm in 2025 | 75 |
| May | 32.9°C2 May 1998 | 2.2°C3 May 1953 | 73 mm20 May 1985 | 215 mm1985 · driest 0 mm in 2025 | 74 |
| June | 34.7°C21 Jun 2004 | 9.6°C4 Jun 1973 | 146 mm27 Jun 1978 | 378 mm1978 · driest 0 mm in 2025 | 75 |
| July | 38.4°C29 Jul 2018 | 12.5°C16 Jul 2026 | 141 mm24 Jul 1958 | 644 mm2020 · driest 0 mm in 2025 | 75 |
| August | 39.9°C23 Aug 2018 | 14.5°C20 Aug 1956 | 265 mm4 Aug 1998 | 518 mm1998 · driest 0 mm in 2025 | 73 |
| September | 37.1°C13 Sep 2003 | 9.3°C26 Sep 1976 | 132 mm3 Sep 1984 | 337 mm1958 · driest 0 mm in 2025 | 73 |
| October | 33.2°C6 Oct 2018 | 3.0°C31 Oct 1983 | 77 mm21 Oct 2004 | 285 mm1975 · driest 0 mm in 2025 | 74 |
| November | 27.2°C1 Nov 1977 | -1.8°C30 Nov 1970 | 102 mm26 Nov 1988 | 413 mm2002 · driest 0 mm in 2025 | 74 |
| December | 20.4°C1 Dec 2025 | -9.5°C31 Dec 1969 | 78 mm23 Dec 1962 | 421 mm2014 · driest 0 mm in 2025 | 74 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 8 | 6 |
| February | 0 | 0 | 9 | 4 |
| March | 0 | 0 | 3 | 3 |
| April | 1 | 0 | 0 | 3 |
| May | 7 | <1 | 0 | 3 |
| June | 13 | 1 | 0 | 4 |
| July | 24 | 11 | 0 | 5 |
| August | 28 | 17 | 0 | 4 |
| September | 18 | 5 | 0 | 4 |
| October | 2 | <1 | 0 | 5 |
| November | 0 | 0 | <1 | 7 |
| December | 0 | 0 | 2 | 8 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 72% | 23% | 95% | 3.5–6.9°C |
| February | <1% | 64% | 14% | 87% | 3.6–8.0°C |
| March | <1% | 53% | 11% | 71% | 8.0–11.2°C |
| April | 13% | 41% | 14% | 52% | 14.4–17.6°C |
| May | 43% | 35% | 11% | 36% | 19.5–22.8°C |
| June | 58% | 37% | 15% | 46% | 22.7–25.7°C |
| July | 60% | 42% | 21% | 49% | 26.1–30.2°C |
| August | 68% | 32% | 15% | 41% | 28.2–31.9°C |
| September | 55% | 44% | 18% | 62% | 24.3–27.9°C |
| October | 29% | 48% | 20% | 68% | 18.7–21.2°C |
| November | 3% | 61% | 26% | 88% | 12.7–15.5°C |
| December | 0% | 74% | 29% | 97% | 6.6–10.2°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 1849788
- NOAA station
- JA000047604 · NIIGATA
- Station distance
- 30.1 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 16 usable years
- Daylight
- Calculated from latitude 37.66°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 24 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Tsubame is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work