Ðông Hà weather in January
In January, Ðông Hà has daytime highs averaging 23 °C, nights around 18 °C, with 18 wet days, and a sea temperature of 23 °C. Figures are 1991–2020 climate normals.
- 22.8°C Average high
- 18.4°C Average low
- 18days Wet days
- 133mm Rainfall
- 22.8°C Sea temperature
- 11h Daylight
Daily temperatures through January
How January develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 January | 23.0 °C | 18.7 °C | 60 % |
| 11–20 January | 22.8 °C | 18.4 °C | 56 % |
| 21–31 January | 22.4 °C | 18.1 °C | 55 % |
What to expect
| Measure | Typical January | Share of the month |
|---|---|---|
| Days above 25 °C | 6.7 of 31 | 22 % |
| Days above 30 °C | 0.2 of 31 | 1 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 18 of 31 | 57 % |
Conditions in January
| Measure | Average |
|---|---|
| Mean temperature | 20 °C |
| Record high (1991–2020) | 32 °C |
| Record low (1991–2020) | 12 °C |
| Relative humidity | 86 % |
| Wind speed | 15 km/h |
| Cloud cover | 78 % |
January compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 22.8 °C | 133 mm | 78 % |
| February | 24.1 °C | 80 mm | 72 % |
| March | 26.8 °C | 84 mm | 67 % |
| November | 25.4 °C | 405 mm | 76 % |
| December | 22.9 °C | 293 mm | 84 % |
See all twelve months for Ðông Hà
- January is the 12th warmest month here.
- It is the 6th driest month of the year.
- It ranks 7th for least cloud cover.
- Days last about 11 hours from sunrise to sunset.
- It rains on 18 of 31 days — 57 % of the month.
- Nights are about 4.4 °C cooler than the middle of the day.
- The hottest January day on record since 1991 reached 32 °C, 8.7 °C above the usual daytime high.
- Beach score: 62 / 100 — see how this is calculated.
QuestionsJanuary in Ðông Hà, answered
How warm is Ðông Hà in January?
Daily highs average 23 °C and nights fall to about 18 °C, a spread of 4.4 °C between afternoon and dawn. That makes January the 12th warmest month of the year here.
Does it rain much in Ðông Hà in January?
January averages 133 mm of rain, spread over about 18 of the 31 days — 57 % of the month. Cloud cover averages 78 % of the sky.
Is the sea warm enough to swim in January?
The sea averages 23 °C off Ðông Hà in January. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.
How long are the days in January?
Ðông Hà averages 11 hours between sunrise and sunset in January. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.