June
Other strong months: May and September
73/100 weather score
Japan · 1991–2020
Best time to visit
Tomiya
For Tomiya, June has the most comfortable weather in our climate comparison. Typical daytime highs are 23.2°C, nights average 15.9°C, and rainfall totals about 153 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthJune
Typical daytime high23.2°C
Typical night-time low15.9°C
June rainfall153 mm
August
Other strong months: July and June
62/100 weather score
May
Other strong months: October and November
73/100 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 Tomiya
January has the lowest comfort score at 5 out of 100, compared with June at 73. The main reason is that days reach only 5.7°C, 18° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Tomiya?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Tomiya?
June is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 23.2°C and 153 mm of rain.
What is the hottest month in Tomiya?
August is hottest in this record, with a typical daytime high of 28.2°C and a night-time low of 21.3°C.
Which month has the least rain?
February has the lowest monthly rainfall total at 41 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 | 5.7°C | -1.7°C | 49 mm | 8.3 | 11.2°C | 9 h 46 | 5 | Good coverage |
| February | 6.6°C | -1.8°C | 41 mm | 6.8 | 9.1°C | 10 h 42 | 8 | Good coverage |
| March | 10.1°C | 0.9°C | 88 mm | 9 | 8.6°C | 11 h 50 | 16 | Good coverage |
| April | 15.8°C | 5.8°C | 108 mm | 8.8 | 10.3°C | 13 h 08 | 41 | Good coverage |
| May | 20.5°C | 11.3°C | 125 mm | 9.3 | 13.5°C | 14 h 14 | 63 | Good coverage |
| June | 23.2°C | 15.9°C | 153 mm | 10.3 | 17.7°C | 14 h 49 | 73 | Good coverage |
| July | 27.1°C | 20°C | 217 mm | 17.1 | 21.1°C | 14 h 36 | 42 | Good coverage |
| August | 28.2°C | 21.3°C | 177 mm | 12.1 | 23.7°C | 13 h 39 | 47 | Good coverage |
| September | 25.1°C | 17.9°C | 213 mm | 14.1 | 22.6°C | 12 h 23 | 56 | Good coverage |
| October | 19.9°C | 11.3°C | 189 mm | 9.5 | 19.4°C | 11 h 08 | 52 | Good coverage |
| November | 14°C | 5.2°C | 68 mm | 6.4 | 16.5°C | 10 h 02 | 42 | Good coverage |
| December | 8.5°C | 0.7°C | 58 mm | 6.9 | 13.8°C | 9 h 30 | 16 | Good coverage |
What has changed
Recent daytime highs are
1.7°C warmer in Tomiya.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+0.6
Feb
+1.1
Mar
+2.3
Apr
+1.5
May
+2.0
Jun
+2.4
Jul
+3.2
Aug
+1.2
Sep
+2.0
Oct—
Nov—
Dec
+0.3
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 17.9°C5 Jan 1960 | -10.2°C17 Jan 1967 | 68 mm27 Jan 2002 | 149 mm2002 · driest 0 mm in 2026 | 75 |
| February | 20.9°C14 Feb 2016 | -8.8°C17 Feb 1978 | 65 mm16 Feb 2021 | 140 mm1972 · driest 0 mm in 2026 | 75 |
| March | 24.2°C19 Mar 2009 | -8.5°C6 Mar 1970 | 107 mm10 Mar 2015 | 185 mm2015 · driest 0 mm in 2026 | 75 |
| April | 29.9°C22 Apr 2018 | -2.6°C2 Apr 1958 | 130 mm26 Apr 1994 | 217 mm1989 · driest 0 mm in 2025 | 75 |
| May | 33.2°C27 May 1961 | 0.4°C3 May 1951 | 143 mm4 May 2012 | 265 mm1955 · driest 0 mm in 2025 | 75 |
| June | 35.1°C25 Jun 2022 | 7.7°C1 Jun 1972 | 138 mm28 Jun 1966 | 351 mm1954 · driest 0 mm in 2025 | 75 |
| July | 36.7°C22 Jul 2018 | 9.0°C1 Jul 1976 | 126 mm8 Jul 2000 | 445 mm1980 · driest 0 mm in 2025 | 75 |
| August | 37.3°C1 Aug 2018 | 13.4°C9 Aug 1980 | 296 mm5 Aug 1986 | 435 mm2008 · driest 0 mm in 2025 | 74 |
| September | 36.0°C1 Sep 1985 | 7.6°C29 Sep 1960 | 172 mm26 Sep 1958 | 498 mm1994 · driest 0 mm in 2025 | 74 |
| October | 29.9°C2 Oct 1998 | 1.2°C27 Oct 1952 | 150 mm14 Oct 2014 | 337 mm1991 · driest 0 mm in 2025 | 74 |
| November | 24.4°C2 Nov 1979 | -5.0°C30 Nov 1970 | 111 mm20 Nov 1970 | 243 mm1975 · driest 0 mm in 2025 | 74 |
| December | 21.8°C1 Dec 1990 | -8.7°C30 Dec 1976 | 108 mm23 Dec 2010 | 250 mm2010 · driest 0 mm in 2025 | 74 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 14 | 1 |
| February | 0 | 0 | 13 | <1 |
| March | 0 | 0 | 8 | 2 |
| April | <1 | 0 | <1 | 3 |
| May | 3 | <1 | 0 | 3 |
| June | 9 | <1 | 0 | 4 |
| July | 19 | 8 | 0 | 4 |
| August | 23 | 11 | 0 | 4 |
| September | 14 | 3 | 0 | 4 |
| October | 2 | 0 | 0 | 4 |
| November | 0 | 0 | <1 | 2 |
| December | 0 | 0 | 7 | 1 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 20% | 4% | 14% | 3.9–6.7°C |
| February | <1% | 23% | 5% | 21% | 4.1–8.0°C |
| March | <1% | 25% | 8% | 23% | 7.9–11.0°C |
| April | 11% | 30% | 11% | 29% | 13.7–17.2°C |
| May | 40% | 31% | 12% | 33% | 18.7–21.8°C |
| June | 49% | 40% | 15% | 52% | 20.4–24.7°C |
| July | 52% | 47% | 18% | 58% | 23.4–29.0°C |
| August | 61% | 39% | 15% | 52% | 26.1–30.3°C |
| September | 56% | 42% | 18% | 52% | 23.2–26.3°C |
| October | 32% | 30% | 12% | 26% | 18.2–20.6°C |
| November | 3% | 22% | 7% | 18% | 12.2–15.1°C |
| December | 0% | 20% | 4% | 13% | 6.7–9.9°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 2110744
- NOAA station
- JA000047590 · SENDAI
- Station distance
- 14.1 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 17 usable years
- Daylight
- Calculated from latitude 38.39°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 36 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 Tomiya 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