April
Other strong months: May and September
85/100 weather score
China · 1991–2020
Best time to visit
Sanmenxia
For Sanmenxia, April has the most comfortable weather in our climate comparison. Typical daytime highs are 23°C, nights average 9.9°C, and rainfall totals about 39 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthApril
Typical daytime high23°C
Typical night-time low9.9°C
April rainfall39 mm
April
Other strong months: October and March
88/100 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.
3 months fit your choices for Sanmenxia
January has the lowest comfort score at 5 out of 100, compared with April at 85. The main reason is that days reach only 5.4°C, 19° below the 24°C the score treats as ideal, and nights drop to -5.5°C.
Quick answers
Planning a trip to Sanmenxia?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Sanmenxia?
April is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 23°C and 39 mm of rain.
What is the hottest month in Sanmenxia?
July is hottest in this record, with a typical daytime high of 33.1°C and a night-time low of 23°C.
Which month has the least rain?
December has the lowest monthly rainfall total at 4 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 | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 5.4°C | -5.5°C | 5 mm | 1.3 | 10 h 03 | 5 | Good coverage |
| February | 10°C | -1.7°C | 8 mm | 1.5 | 10 h 52 | 24 | Good coverage |
| March | 16.1°C | 3.9°C | 16 mm | 2.3 | 11 h 52 | 54 | Good coverage |
| April | 23°C | 9.9°C | 39 mm | 4.9 | 13 h 01 | 85 | Strong coverage |
| May | 28.1°C | 15.1°C | 49 mm | 5.1 | 13 h 58 | 83 | Good coverage |
| June | 32.4°C | 20.2°C | 58 mm | 6.3 | 14 h 28 | 57 | Good coverage |
| July | 33.1°C | 23°C | 98 mm | 8 | 14 h 16 | 42 | Good coverage |
| August | 31.1°C | 21.8°C | 96 mm | 8.2 | 13 h 27 | 51 | Good coverage |
| September | 26.5°C | 16.5°C | 97 mm | 8.7 | 12 h 21 | 75 | Good coverage |
| October | 20.5°C | 9.7°C | 64 mm | 6.9 | 11 h 15 | 71 | Good coverage |
| November | 13°C | 2.1°C | 22 mm | 3.5 | 10 h 18 | 40 | Good coverage |
| December | 6.5°C | -4°C | 4 mm | 1.1 | 9 h 50 | 8 | Good coverage |
What has changed
Recent daytime highs are
1.7°C warmer in Sanmenxia.
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
+1.9
Feb
+2.2
Mar
+3.8
Apr
+3.0
May
+1.8
Jun
+1.2
Jul
+1.5
Aug
+0.4
Sep
+1.2
Oct
+0.6
Nov
+1.9
Dec
+1.2
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 16.4°C3 Jan 1960 | -18.9°C23 Jan 1971 | 13 mm18 Jan 1971 | 27 mm2020 · driest 0 mm in 1965 | 71 |
| February | 25.2°C27 Feb 1977 | -16.2°C5 Feb 1969 | 25 mm24 Feb 2021 | 36 mm2021 · driest 0 mm in 1995 | 71 |
| March | 31.8°C8 Mar 2013 | -10.8°C6 Mar 1967 | 45 mm29 Mar 1979 | 63 mm1979 · driest 0 mm in 1968 | 71 |
| April | 37.6°C30 Apr 2006 | -5.0°C3 Apr 1962 | 59 mm9 Apr 1957 | 134 mm2023 · driest 2 mm in 2007 | 71 |
| May | 40.2°C29 May 1980 | 2.9°C2 May 1965 | 111 mm15 May 1964 | 208 mm1964 · driest 3 mm in 1994 | 71 |
| June | 42.7°C21 Jun 1966 | 11.0°C3 Jun 1964 | 90 mm26 Jun 1961 | 188 mm1971 · driest 6 mm in 1969 | 71 |
| July | 41.4°C12 Jul 2002 | 15.4°C5 Jul 1967 | 122 mm19 Jul 2007 | 279 mm2007 · driest 13 mm in 1959 | 71 |
| August | 40.8°C11 Aug 2005 | 12.3°C27 Aug 1969 | 112 mm28 Aug 1970 | 270 mm1982 · driest 8 mm in 2018 | 70 |
| September | 40.0°C6 Sep 1997 | 2.6°C25 Sep 1957 | 149 mm1 Sep 1972 | 360 mm2021 · driest 4 mm in 1957 | 70 |
| October | 33.2°C3 Oct 1987 | -4.9°C28 Oct 1966 | 45 mm13 Oct 1958 | 169 mm1961 · driest 0 mm in 2018 | 70 |
| November | 26.8°C2 Nov 2023 | -11.6°C25 Nov 1956 | 45 mm5 Nov 2015 | 93 mm1971 · driest 0 mm in 1956 | 70 |
| December | 21.8°C9 Dec 2023 | -16.0°C30 Dec 1967 | 15 mm12 Dec 1989 | 23 mm1989 · driest 0 mm in 2022 | 70 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 28 | 0 |
| February | 0 | 0 | 18 | <1 |
| March | 2 | <1 | 5 | <1 |
| April | 11 | 3 | <1 | 1 |
| May | 23 | 12 | 0 | 2 |
| June | 28 | 23 | 0 | 2 |
| July | 30 | 25 | 0 | 3 |
| August | 29 | 20 | 0 | 3 |
| September | 19 | 7 | 0 | 3 |
| October | 5 | <1 | <1 | 2 |
| November | <1 | 0 | 9 | <1 |
| December | 0 | 0 | 26 | 0 |
The best month has moved. On the 1961–1990 numbers the strongest month here was May (scoring 85); on 2011–2025 it is April (88). Both are scored the same way, from the same station — only the climate underneath changed.
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 5% | <1% | 1% | 2.5–7.2°C |
| February | 1% | 7% | <1% | 2% | 6.2–12.7°C |
| March | 21% | 10% | 2% | 4% | 12.9–18.6°C |
| April | 61% | 18% | 5% | 12% | 19.9–24.5°C |
| May | 80% | 19% | 6% | 14% | 25.4–30.2°C |
| June | 81% | 20% | 7% | 19% | 30.1–34.3°C |
| July | 74% | 27% | 11% | 26% | 30.8–34.8°C |
| August | 77% | 24% | 10% | 24% | 29.2–33.7°C |
| September | 72% | 27% | 10% | 29% | 23.6–28.9°C |
| October | 50% | 20% | 6% | 15% | 18.2–22.8°C |
| November | 6% | 12% | 2% | 7% | 10.4–15.0°C |
| December | <1% | 4% | <1% | 1% | 4.5–8.1°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 1796669
- NOAA station
- CHM00053959 · YUNCHENG
- Station distance
- 32.6 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 23 usable years
- Daylight
- Calculated from latitude 34.78°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- 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 Sanmenxia 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.
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