December
Other strong months: November and March
China · 1991–2020
For Beihai, December has the most comfortable weather in our climate comparison. Typical daytime highs are 20.5°C, nights average 12.9°C, and rainfall totals about 45 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Other strong months: November and March
Other strong months: April and November
Other strong months: February and January
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.
3 months fit your choices for Beihai
The lowest comfort score is 5 out of 100. June, July and August share that score. In June, that is mainly because 498 mm of rain falls.
Quick answers
These answers come from the same measured monthly climate record shown on this page.
December is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 20.5°C and 45 mm of rain.
August is hottest in this record, with a typical daytime high of 32.7°C and a night-time low of 25.7°C.
December has the lowest monthly rainfall total at 45 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 | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | 17.8°C | 11.4°C | 61 mm | 7.6 | 19.0°C | 10 h 57 | 65 | Strong coverage |
| February | 19.5°C | 13.3°C | 49 mm | 7.2 | 19.1°C | 11 h 24 | 76 | Strong coverage |
| March | 22.1°C | 16.1°C | 84 mm | 10.8 | 20.7°C | 11 h 58 | 78 | Strong coverage |
| April | 27°C | 20.8°C | 116 mm | 9.8 | 23.6°C | 12 h 37 | 62 | Strong coverage |
| May | 30.6°C | 24.1°C | 224 mm | 12.9 | 27.3°C | 13 h 09 | 26 | Strong coverage |
| June | 31.9°C | 25.8°C | 498 mm | 17 | 29.1°C | 13 h 26 | 5 | Strong coverage |
| July | 32.4°C | 26°C | 502 mm | 17.6 | 29.4°C | 13 h 19 | 5 | Strong coverage |
| August | 32.7°C | 25.7°C | 417 mm | 17.8 | 29.5°C | 12 h 52 | 5 | Strong coverage |
| September | 31.9°C | 24.6°C | 219 mm | 11.9 | 29.1°C | 12 h 14 | 23 | Strong coverage |
| October | 29.3°C | 21.6°C | 93 mm | 6 | 27.3°C | 11 h 37 | 60 | Strong coverage |
| November | 25.4°C | 17.4°C | 95 mm | 6.3 | 24.4°C | 11 h 05 | 80 | Strong coverage |
| December | 20.5°C | 12.9°C | 45 mm | 6.1 | 21.1°C | 10 h 50 | 81 | Strong coverage |
What has changed
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.
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 28.1°C21 Jan 1954 | -1.8°C12 Jan 1955 | 94 mm30 Jan 1969 | 227 mm2016 · driest 1 mm in 2021 | 75 |
| February | 31.5°C25 Feb 2009 | 2.1°C1 Feb 1977 | 93 mm9 Feb 2021 | 250 mm1990 · driest 2 mm in 1999 | 75 |
| March | 34.0°C20 Mar 2013 | 3.8°C1 Mar 1986 | 132 mm1 Mar 1983 | 208 mm1983 · driest 7 mm in 2010 | 75 |
| April | 34.0°C19 Apr 2008 | 9.0°C3 Apr 1996 | 180 mm2 Apr 1982 | 402 mm1982 · driest 5 mm in 2011 | 75 |
| May | 36.9°C31 May 2023 | 14.6°C5 May 1990 | 150 mm6 May 1982 | 649 mm2024 · driest 33 mm in 2010 | 75 |
| June | 37.2°C15 Jun 1952 | 19.0°C9 Jun 1987 | 264 mm11 Jun 2014 | 961 mm2005 · driest 92 mm in 2000 | 75 |
| July | 37.9°C19 Jul 2005 | 21.0°C27 Jul 1972 | 318 mm10 Jul 2004 | 970 mm2004 · driest 58 mm in 2020 | 75 |
| August | 37.8°C31 Aug 2011 | 20.9°C31 Aug 1974 | 324 mm22 Aug 1993 | 949 mm1985 · driest 51 mm in 1992 | 74 |
| September | 37.0°C1 Sep 2011 | 15.7°C30 Sep 1970 | 244 mm13 Sep 1952 | 583 mm2008 · driest 12 mm in 2006 | 74 |
| October | 35.5°C5 Oct 2023 | 10.2°C31 Oct 1958 | 193 mm24 Oct 2016 | 387 mm1965 · driest 0 mm in 2005 | 74 |
| November | 32.9°C7 Nov 2005 | 3.9°C25 Nov 1975 | 132 mm2 Nov 1981 | 472 mm2015 · driest 0 mm in 1980 | 74 |
| December | 31.5°C2 Dec 1974 | 1.9°C18 Dec 1975 | 63 mm2 Dec 1994 | 146 mm2015 · driest 0 mm in 2024 | 74 |
| Month | Days 25°C+ | Days 30°C+ | Heavy rain (10 mm+) |
|---|---|---|---|
| January | 2 | 0 | 1 |
| February | 6 | <1 | 1 |
| March | 11 | <1 | 2 |
| April | 22 | 9 | 3 |
| May | 30 | 21 | 5 |
| June | 30 | 25 | 10 |
| July | 31 | 26 | 10 |
| August | 31 | 27 | 9 |
| September | 30 | 25 | 5 |
| October | 28 | 16 | 3 |
| November | 19 | 2 | 2 |
| December | 5 | 0 | 1 |
The best month has moved. On the 1961–1990 numbers the strongest month here was November (scoring 94); on 2011–2025 it is March (89). 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 | 37% | 21% | 4% | 24% | 15.7–20.1°C |
| February | 41% | 28% | 5% | 36% | 15.4–22.1°C |
| March | 52% | 34% | 6% | 44% | 19.8–24.7°C |
| April | 64% | 34% | 11% | 43% | 24.6–28.3°C |
| May | 62% | 38% | 18% | 55% | 29.1–31.4°C |
| June | 48% | 52% | 30% | 73% | 30.6–32.7°C |
| July | 46% | 54% | 30% | 73% | 31.1–33.4°C |
| August | 45% | 55% | 31% | 73% | 31.1–33.5°C |
| September | 61% | 39% | 19% | 49% | 30.7–32.8°C |
| October | 77% | 23% | 10% | 23% | 27.5–30.4°C |
| November | 76% | 17% | 5% | 17% | 23.0–26.8°C |
| December | 55% | 15% | 3% | 14% | 18.3–22.9°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
Next step
The weather comparison for Beihai 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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