September
Other strong months: April and May
China · 1991–2020
For Shimenkan, September has the most comfortable weather in our climate comparison. Typical daytime highs are 26.6°C, nights average 18.3°C, and rainfall totals about 77 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Other strong months: April and May
Other strong months: April and March
Make the answer personal
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 Shimenkan
January has the lowest comfort score at 19 out of 100, compared with September at 75. The main reason is that days reach only 7.3°C, 17° below the 24°C the score treats as ideal.
Quick answers
These answers come from the same measured monthly climate record shown on this page.
September is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 26.6°C and 77 mm of rain.
August is hottest in this record, with a typical daytime high of 30.2°C and a night-time low of 21.3°C.
February has the lowest monthly rainfall total at 22 mm.
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
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 | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 7.3°C | 2.7°C | 26 mm | 7 | 10 h 32 | 19 | Good coverage |
| February | 10.7°C | 4.9°C | 22 mm | 5.5 | 11 h 09 | 35 | Good coverage |
| March | 15.2°C | 8.1°C | 37 mm | 8.3 | 11 h 55 | 53 | Good coverage |
| April | 21.1°C | 13°C | 78 mm | 10.2 | 12 h 48 | 74 | Good coverage |
| May | 24.8°C | 16.6°C | 129 mm | 12.8 | 13 h 32 | 72 | Good coverage |
| June | 27°C | 19.7°C | 207 mm | 13.8 | 13 h 55 | 48 | Good coverage |
| July | 30°C | 21.9°C | 175 mm | 10.3 | 13 h 46 | 42 | Good coverage |
| August | 30.2°C | 21.3°C | 113 mm | 8.5 | 13 h 08 | 52 | Good coverage |
| September | 26.6°C | 18.3°C | 77 mm | 8.2 | 12 h 17 | 75 | Good coverage |
| October | 20°C | 14°C | 102 mm | 11.8 | 11 h 27 | 68 | Good coverage |
| November | 15.8°C | 9.5°C | 41 mm | 6.8 | 10 h 43 | 59 | Good coverage |
| December | 10°C | 4.7°C | 25 mm | 6.9 | 10 h 22 | 32 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 26.4°C27 Jan 1969 | -7.1°C30 Jan 1977 | 33 mm11 Jan 1999 | 60 mm1957 · driest 8 mm in 1951 | 62 |
| February | 31.1°C28 Feb 2010 | -5.4°C14 Feb 1968 | 21 mm13 Feb 1954 | 48 mm2006 · driest 2 mm in 1996 | 62 |
| March | 33.0°C17 Mar 1956 | -3.2°C3 Mar 1986 | 37 mm15 Mar 1977 | 106 mm1955 · driest 5 mm in 1963 | 62 |
| April | 37.6°C23 Apr 1958 | 1.6°C5 Apr 1969 | 72 mm29 Apr 1963 | 197 mm1963 · driest 21 mm in 1969 | 62 |
| May | 36.5°C6 May 1988 | 7.5°C13 May 1958 | 102 mm22 May 1972 | 284 mm1971 · driest 68 mm in 2011 | 62 |
| June | 35.7°C14 Jun 1952 | 10.9°C10 Jun 1967 | 184 mm24 Jun 1995 | 460 mm1959 · driest 47 mm in 1952 | 62 |
| July | 37.6°C22 Jul 1952 | 13.7°C29 Jul 1989 | 174 mm5 Jul 1991 | 458 mm1991 · driest 31 mm in 1990 | 62 |
| August | 38.7°C18 Aug 1953 | 14.7°C15 Aug 1980 | 110 mm12 Aug 1996 | 295 mm1974 · driest 18 mm in 2010 | 62 |
| September | 36.6°C1 Sep 2006 | 9.4°C22 Sep 1951 | 92 mm25 Sep 1970 | 365 mm1970 · driest 12 mm in 1963 | 62 |
| October | 33.2°C1 Oct 1999 | 3.8°C29 Oct 1978 | 141 mm3 Oct 1962 | 251 mm1962 · driest 36 mm in 1996 | 62 |
| November | 28.0°C12 Nov 1958 | -1.2°C27 Nov 1975 | 43 mm8 Nov 1955 | 138 mm1951 · driest 2 mm in 1988 | 62 |
| December | 24.7°C5 Dec 1968 | -5.5°C16 Dec 1975 | 23 mm2 Dec 1970 | 65 mm1970 · driest 6 mm in 1986 | 62 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 5 | <1 |
| February | <1 | <1 | 1 | <1 |
| March | 2 | <1 | 0 | <1 |
| April | 8 | 2 | 0 | 2 |
| May | 15 | 4 | 0 | 4 |
| June | 22 | 7 | 0 | 6 |
| July | 29 | 18 | 0 | 5 |
| August | 29 | 18 | 0 | 4 |
| September | 20 | 8 | 0 | 2 |
| October | 4 | <1 | 0 | 3 |
| November | <1 | 0 | <1 | 1 |
| December | 0 | 0 | 2 | <1 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | <1% | 22% | <1% | 26% | 5.4–9.9°C |
| February | 6% | 22% | <1% | 23% | 6.1–13.6°C |
| March | 21% | 25% | 3% | 30% | 11.9–17.5°C |
| April | 41% | 37% | 9% | 53% | 19.2–23.8°C |
| May | 50% | 46% | 16% | 66% | 22.8–26.5°C |
| June | 56% | 44% | 18% | 63% | 25.7–28.9°C |
| July | 68% | 32% | 14% | 40% | 28.7–31.6°C |
| August | 70% | 30% | 13% | 37% | 28.5–32.0°C |
| September | 68% | 31% | 9% | 40% | 24.3–28.2°C |
| October | 40% | 38% | 10% | 50% | 18.6–21.8°C |
| November | 17% | 27% | 4% | 28% | 12.9–17.5°C |
| December | 1% | 21% | 1% | 23% | 7.9–12.2°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
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