Ba Vì climate
Ba Vì is warmest in June, with average highs of 30 °C, and coldest in January, when nights average 12 °C. August is the wettest month (338 mm) and February the driest (26 mm). Figures are 1991–2020 climate normals.
Across a full year Ba Vì averages 1,799 mm of rain and 213 days above 25 °C.
Vietnam · population 282,600 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month June 30 °C
- Coldest month January 12 °C
- Driest month February 26 mm
- Wettest month August 338 mm
- Least cloud November 57 % cloud
- Hottest on record May 38 °C
- Coldest on record January 3.1 °C
What to expectBa Vì through the year
Ba Vì has a clear annual cycle: average daily highs run from 17 °C in January to 30 °C in June, a swing of 12 °C in mean temperature across the year.
Counted across a normal year, 213 days a year reach 25 °C, 73 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in May.
Rain is strongly seasonal. August averages 338 mm against 26 mm in February — 13 times as much. Planning around the dry months matters more here than planning around temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 17.5 °C | 39 mm | 76 % |
| February | 19.6 °C | 26 mm | 77 % |
| March | 23.0 °C | 54 mm | 78 % |
| April | 27.0 °C | 102 mm | 73 % |
| May | 29.2 °C | 242 mm | 77 % |
| June | 30.5 °C | 225 mm | 89 % |
| July | 30.1 °C | 292 mm | 86 % |
| August | 29.4 °C | 338 mm | 83 % |
| September | 28.1 °C | 243 mm | 72 % |
| October | 25.8 °C | 144 mm | 59 % |
| November | 22.7 °C | 58 mm | 57 % |
| December | 18.7 °C | 34 mm | 63 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 17.5 °C | 11.9 °C | 14.6 °C | 27.7 °C | 3.1 °C | 1 | 0 | 0 |
| February | 19.6 °C | 13.5 °C | 16.4 °C | 32.8 °C | 4.7 °C | 5 | 0 | 0 |
| March | 23.0 °C | 16.4 °C | 19.5 °C | 35.8 °C | 8.3 °C | 11 | 2 | 0 |
| April | 27.0 °C | 20.0 °C | 23.1 °C | 37.2 °C | 11.8 °C | 21 | 7 | 0 |
| May | 29.2 °C | 22.5 °C | 25.5 °C | 37.7 °C | 15.8 °C | 27 | 12 | 0 |
| June | 30.5 °C | 24.1 °C | 26.9 °C | 37.7 °C | 19.7 °C | 30 | 17 | 0 |
| July | 30.1 °C | 24.0 °C | 26.7 °C | 36.9 °C | 21.1 °C | 30 | 17 | 0 |
| August | 29.4 °C | 23.5 °C | 26.0 °C | 34.7 °C | 19.8 °C | 30 | 12 | 0 |
| September | 28.1 °C | 22.3 °C | 24.9 °C | 33.2 °C | 16.4 °C | 27 | 5 | 0 |
| October | 25.8 °C | 20.0 °C | 22.7 °C | 31.8 °C | 11.4 °C | 22 | 0 | 0 |
| November | 22.7 °C | 16.5 °C | 19.4 °C | 31.2 °C | 8.0 °C | 8 | 0 | 0 |
| December | 18.7 °C | 12.7 °C | 15.6 °C | 29.2 °C | 5.3 °C | 1 | 0 | 0 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 39 mm | 7 | 11 h/day | 76 % | 79 % | 9.0 km/h |
| February | 26 mm | 6 | 11 h/day | 77 % | 80 % | 9.8 km/h |
| March | 54 mm | 9 | 12 h/day | 78 % | 81 % | 11 km/h |
| April | 102 mm | 11 | 13 h/day | 73 % | 82 % | 11 km/h |
| May | 242 mm | 18 | 13 h/day | 77 % | 82 % | 10 km/h |
| June | 225 mm | 19 | 13 h/day | 89 % | 83 % | 9.6 km/h |
| July | 292 mm | 21 | 13 h/day | 86 % | 84 % | 9.4 km/h |
| August | 338 mm | 23 | 13 h/day | 83 % | 86 % | 9.0 km/h |
| September | 243 mm | 19 | 12 h/day | 72 % | 85 % | 9.0 km/h |
| October | 144 mm | 12 | 12 h/day | 59 % | 81 % | 9.3 km/h |
| November | 58 mm | 7 | 11 h/day | 57 % | 78 % | 9.0 km/h |
| December | 34 mm | 6 | 11 h/day | 63 % | 77 % | 8.7 km/h |
How Ba Vì compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Ba Vì | 30 °C | 12 °C | 1,799 mm | 213 |
| Việt Trì · Vietnam | 32 °C | 14 °C | 1,629 mm | 244 |
| Phúc Yên · Vietnam | 32 °C | 13 °C | 1,873 mm | 247 |
| Hanoi · Vietnam | 33 °C | 13 °C | 1,730 mm | 251 |
Planning a trip? See the best time to visit Ba Vì.
QuestionsCommon questions about Ba Vì’s climate
When is the best time to visit Ba Vì?
That depends on what you want, so the honest answer is a comparison rather than a single month. March, October, November sit closest to 20 °C on average, June is the warmest month and February the driest. The month-by-month table above has the full picture.
How hot does Ba Vì get?
In June, the warmest month, daily highs average 30 °C. About 73 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.
How cold does it get in winter?
Nights average 12 °C in January, the coldest month. Freezing nights are not part of a normal year here.
Which month is wettest in Ba Vì?
August, averaging 338 mm over 23 days with rain. The driest month is February with 26 mm. The year as a whole averages 1,799 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Ba Vì rather than what any particular week will bring. Individual years can differ substantially from the normal.
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: monthly rankings, daylight hours, beach and comfort scores. 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.