May
Other strong months: October and September
86/100 weather score
China · 1991–2020
Best time to visit
Haizhou
For Haizhou, May has the most comfortable weather in our climate comparison. Typical daytime highs are 24.6°C, nights average 14.9°C, and rainfall totals about 91 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthMay
Typical daytime high24.6°C
Typical night-time low14.9°C
May rainfall91 mm
June
Other strong months: September and May
76/100 weather score
April
Other strong months: October and November
91/100 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 Haizhou
January has the lowest comfort score at 5 out of 100, compared with May at 86. The main reason is that days reach only 4.9°C, 19° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Haizhou?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Haizhou?
May is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 24.6°C and 91 mm of rain.
What is the hottest month in Haizhou?
July is hottest in this record, with a typical daytime high of 30°C and a night-time low of 23.8°C.
Which month has the least rain?
January has the lowest monthly rainfall total at 17 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 | 4.9°C | -3.6°C | 17 mm | 2.6 | 5.6°C | 10 h 04 | 5 | Good coverage |
| February | 7.4°C | -1.3°C | 25 mm | 4.1 | 4.3°C | 10 h 53 | 15 | Good coverage |
| March | 12.6°C | 3.1°C | 34 mm | 4.3 | 6.1°C | 11 h 52 | 40 | Good coverage |
| April | 19.1°C | 9.1°C | 48 mm | 5.2 | 10.1°C | 13 h 00 | 70 | Good coverage |
| May | 24.6°C | 14.9°C | 91 mm | 7.2 | 15.6°C | 13 h 57 | 86 | Good coverage |
| June | 27.6°C | 19.9°C | 110 mm | 6.4 | 20.8°C | 14 h 27 | 66 | Good coverage |
| July | 30°C | 23.8°C | 269 mm | 12.1 | 25.2°C | 14 h 15 | 23 | Good coverage |
| August | 29.5°C | 23.3°C | 245 mm | 11.9 | 27.0°C | 13 h 27 | 30 | Good coverage |
| September | 26.2°C | 18.3°C | 112 mm | 6.8 | 24.9°C | 12 h 21 | 73 | Good coverage |
| October | 21.3°C | 11.7°C | 45 mm | 3.7 | 20.6°C | 11 h 15 | 83 | Good coverage |
| November | 14.1°C | 4.8°C | 47 mm | 4.6 | 15.4°C | 10 h 18 | 46 | Good coverage |
| December | 7.2°C | -1.5°C | 20 mm | 2.9 | 9.8°C | 9 h 51 | 15 | Good coverage |
What has changed
Recent daytime highs are
2.0°C warmer in Haizhou.
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
+2.1
Feb
+2.3
Mar
+3.4
Apr
+2.8
May
+2.8
Jun
+2.3
Jul
+1.5
Aug
+1.4
Sep
+1.6
Oct
+1.3
Nov
+1.9
Dec
+1.0
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 17.0°C8 Jan 1979 | -16.0°C18 Jan 1957 | 29 mm1 Jan 1987 | 68 mm2001 · driest 0 mm in 2011 | 69 |
| February | 25.0°C21 Feb 2021 | -19.5°C6 Feb 1969 | 27 mm24 Feb 1970 | 53 mm1976 · driest 0 mm in 1977 | 69 |
| March | 30.5°C9 Mar 2013 | -11.4°C3 Mar 1958 | 43 mm2 Mar 2025 | 96 mm1991 · driest 2 mm in 2000 | 69 |
| April | 33.4°C14 Apr 1978 | -3.9°C4 Apr 1962 | 83 mm25 Apr 1975 | 158 mm1975 · driest 2 mm in 1978 | 69 |
| May | 37.3°C25 May 1982 | 2.5°C4 May 1961 | 139 mm26 May 2013 | 240 mm2013 · driest 1 mm in 2022 | 69 |
| June | 39.3°C23 Jun 2024 | 11.2°C2 Jun 2010 | 153 mm26 Jun 1960 | 329 mm1989 · driest 1 mm in 1992 | 69 |
| July | 39.5°C15 Jul 2002 | 16.2°C5 Jul 1976 | 203 mm29 Jul 1973 | 707 mm2024 · driest 77 mm in 2015 | 69 |
| August | 38.5°C20 Aug 1959 | 13.6°C30 Aug 2003 | 220 mm4 Aug 1990 | 667 mm1974 · driest 25 mm in 1966 | 69 |
| September | 35.4°C2 Sep 1995 | 6.2°C29 Sep 1972 | 180 mm13 Sep 1961 | 326 mm1999 · driest 0 mm in 1957 | 68 |
| October | 32.2°C3 Oct 2021 | -1.6°C27 Oct 1958 | 102 mm14 Oct 1987 | 225 mm2016 · driest 0 mm in 1990 | 68 |
| November | 28.9°C1 Nov 2023 | -9.9°C27 Nov 2015 | 48 mm12 Nov 1997 | 249 mm2015 · driest 0 mm in 1988 | 68 |
| December | 20.9°C8 Dec 2023 | -14.7°C30 Dec 1967 | 29 mm19 Dec 1959 | 72 mm2016 · driest 0 mm in 1987 | 68 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 25 | <1 |
| February | 0 | 0 | 17 | <1 |
| March | <1 | 0 | 6 | <1 |
| April | 4 | <1 | <1 | 2 |
| May | 15 | 4 | 0 | 2 |
| June | 22 | 8 | 0 | 3 |
| July | 30 | 16 | 0 | 5 |
| August | 30 | 13 | 0 | 5 |
| September | 21 | 3 | 0 | 2 |
| October | 4 | 0 | 0 | <1 |
| November | <1 | 0 | 3 | 1 |
| December | 0 | 0 | 20 | <1 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 9% | 2% | 6% | 2.8–6.9°C |
| February | <1% | 13% | 2% | 9% | 4.3–9.8°C |
| March | 7% | 14% | 3% | 8% | 9.5–15.2°C |
| April | 35% | 18% | 5% | 12% | 16.7–20.8°C |
| May | 70% | 19% | 7% | 14% | 22.0–26.6°C |
| June | 77% | 23% | 10% | 25% | 26.2–30.2°C |
| July | 63% | 39% | 20% | 49% | 28.2–32.0°C |
| August | 71% | 31% | 16% | 34% | 28.6–32.0°C |
| September | 79% | 21% | 9% | 19% | 24.7–27.2°C |
| October | 58% | 15% | 4% | 11% | 19.6–22.6°C |
| November | 7% | 15% | 4% | 11% | 12.0–16.0°C |
| December | <1% | 9% | 2% | 4% | 5.1–8.6°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 1809003
- NOAA station
- CHM00058040 · GANYU
- Station distance
- 29.8 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 23 usable years
- Daylight
- Calculated from latitude 34.58°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 40 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 Haizhou 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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