May
Other strong months: October and June
73/100 weather score
Japan · 1991–2020
Best time to visit
Yokohama
For Yokohama, May has the most comfortable weather in our climate comparison. Typical daytime highs are 23.3°C, nights average 15.2°C, and rainfall totals about 159 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthMay
Typical daytime high23.3°C
Typical night-time low15.2°C
May rainfall159 mm
August
Other strong months: July and June
57/100 weather score
November
Other strong months: April and December
71/100 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.
1 month fits your choices for Yokohama
The lowest comfort score is 26 out of 100. February and March share that score. In February, that is mainly because days reach only 10.8°C, 13° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Yokohama?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Yokohama?
May is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 23.3°C and 159 mm of rain.
What is the hottest month in Yokohama?
August is hottest in this record, with a typical daytime high of 31.2°C and a night-time low of 24.2°C.
Which month has the least rain?
January has the lowest monthly rainfall total at 53 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 | 10.2°C | 2.1°C | 53 mm | 4.3 | 14.5°C | 10 h 00 | 28 | Good coverage |
| February | 10.8°C | 2.7°C | 73 mm | 6.8 | 13.4°C | 10 h 51 | 26 | Good coverage |
| March | 14°C | 5.5°C | 154 mm | 11.2 | 13.9°C | 11 h 52 | 26 | Good coverage |
| April | 19.1°C | 10.3°C | 164 mm | 9.9 | 15.5°C | 13 h 02 | 51 | Good coverage |
| May | 23.3°C | 15.2°C | 159 mm | 10.1 | 18.2°C | 14 h 01 | 73 | Good coverage |
| June | 25.8°C | 18.9°C | 206 mm | 12.8 | 21.0°C | 14 h 32 | 54 | Good coverage |
| July | 29.6°C | 22.8°C | 206 mm | 12.3 | 23.5°C | 14 h 20 | 35 | Good coverage |
| August | 31.2°C | 24.2°C | 159 mm | 8.3 | 25.8°C | 13 h 29 | 37 | Good coverage |
| September | 27.5°C | 20.9°C | 293 mm | 13 | 24.8°C | 12 h 21 | 33 | Good coverage |
| October | 22.2°C | 14.9°C | 265 mm | 10.6 | 22.0°C | 11 h 14 | 55 | Good coverage |
| November | 17.2°C | 9.6°C | 114 mm | 8 | 19.5°C | 10 h 15 | 52 | Good coverage |
| December | 12.5°C | 4.8°C | 77 mm | 5.6 | 16.7°C | 9 h 46 | 35 | Good coverage |
What has changed
Recent daytime highs are
1.6°C warmer in Yokohama.
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
+0.8
Feb
+1.2
Mar
+2.4
Apr
+1.7
May
+1.7
Jun
+2.0
Jul
+2.4
Aug
+1.7
Sep
+1.9
Oct—
Nov
+1.2
Dec
+0.5
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 20.4°C5 Jan 1960 | -6.2°C26 Jan 1963 | 103 mm31 Jan 2009 | 162 mm1964 · driest 0 mm in 1976 | 75 |
| February | 24.8°C14 Feb 2009 | -4.9°C4 Feb 1951 | 91 mm15 Feb 2021 | 174 mm1966 · driest 0 mm in 2026 | 75 |
| March | 25.2°C26 Mar 2025 | -4.2°C8 Mar 1971 | 96 mm19 Mar 1956 | 231 mm2018 · driest 16 mm in 1973 | 75 |
| April | 27.8°C22 Apr 2004 | 0.0°C5 Apr 1955 | 143 mm8 Apr 1989 | 281 mm2013 · driest 0 mm in 2025 | 75 |
| May | 31.3°C26 May 2019 | 4.0°C3 May 1953 | 136 mm3 May 2012 | 397 mm1965 · driest 0 mm in 2025 | 74 |
| June | 36.1°C30 Jun 2022 | 10.1°C7 Jun 1963 | 256 mm28 Jun 1966 | 487 mm1966 · driest 0 mm in 2025 | 74 |
| July | 37.3°C18 Jul 2023 | 13.3°C1 Jul 1976 | 206 mm1 Jul 1970 | 373 mm2021 · driest 0 mm in 2025 | 75 |
| August | 37.4°C9 Aug 2016 | 15.5°C28 Aug 1953 | 244 mm21 Aug 1994 | 422 mm2003 · driest 0 mm in 1995 | 73 |
| September | 35.6°C4 Sep 2010 | 11.3°C28 Sep 1951 | 287 mm26 Sep 1958 | 537 mm1958 · driest 0 mm in 2025 | 73 |
| October | 32.4°C7 Oct 2018 | 6.1°C19 Oct 1957 | 261 mm6 Oct 2014 | 761 mm2004 · driest 0 mm in 2025 | 74 |
| November | 27.3°C7 Nov 2023 | -0.7°C29 Nov 1951 | 154 mm10 Nov 1973 | 274 mm2003 · driest 0 mm in 1995 | 74 |
| December | 24.5°C16 Dec 2023 | -4.3°C28 Dec 1966 | 93 mm3 Dec 2010 | 235 mm1968 · driest 0 mm in 1988 | 74 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 2 | 2 |
| February | 0 | 0 | 2 | 2 |
| March | 0 | 0 | 0 | 4 |
| April | 1 | 0 | 0 | 4 |
| May | 10 | <1 | 0 | 4 |
| June | 17 | 2 | 0 | 5 |
| July | 26 | 15 | 0 | 4 |
| August | 28 | 22 | 0 | 3 |
| September | 21 | 8 | 0 | 5 |
| October | 6 | <1 | 0 | 5 |
| November | 0 | 0 | 0 | 3 |
| December | 0 | 0 | <1 | 2 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | <1% | 17% | 7% | 11% | 8.5–11.3°C |
| February | <1% | 24% | 9% | 26% | 8.8–12.2°C |
| March | 4% | 34% | 16% | 39% | 11.9–15.3°C |
| April | 27% | 37% | 17% | 41% | 17.2–20.2°C |
| May | 59% | 36% | 18% | 43% | 21.6–24.2°C |
| June | 57% | 43% | 21% | 59% | 23.3–26.9°C |
| July | 66% | 35% | 15% | 38% | 26.8–31.1°C |
| August | 73% | 28% | 12% | 35% | 29.1–32.7°C |
| September | 61% | 40% | 20% | 52% | 25.1–28.9°C |
| October | 49% | 36% | 19% | 37% | 20.3–22.9°C |
| November | 15% | 27% | 11% | 27% | 15.4–18.5°C |
| December | <1% | 17% | 7% | 10% | 11.1–13.6°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 1848354
- NOAA station
- JA000047670 · YOKOHAMA
- Station distance
- 0 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 16 usable years
- Daylight
- Calculated from latitude 35.43°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 21 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 Yokohama 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