Climate averages 1991–2020
Sầm Sơn weather
in October.
A warm, very wet month: the 6th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Sầm Sơn: daytime highs average 27.4°C and nights cool to about 22.9°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 241 mm of rain on roughly 16 days, which makes October a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 42 min on an average October day.
The nearest other city in this atlas is Thanh Hóa (16 km away). In October its highs average 27.6°C, about as warm as Sầm Sơn, with 180 mm of rain.
Among the 136 cities listed in Vietnam, Sầm Sơn ranks joint 104th of 136 for the warmest October highs and 59th of 136 for the driest October (rainfall, lowest first). The mean October high of those 136 cities is 28.4°C; Sầm Sơn is 1.0°C cooler than that mean.
From October to November, average highs fall by 2.7°C to 24.7°C, and monthly rainfall falls from 241 mm to 82 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sầm Sơn climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.8°C15.4°C | 15.4°C | 55 | 10.5 | 11.111 h |
| February | 21.2°C16.7°C | 16.7°C | 36 | 8.5 | 11.511 h |
| March | 23.8°C19.2°C | 19.2°C | 52 | 9.7 | 12.012 h |
| April | 27.3°C22.6°C | 22.6°C | 62 | 7.5 | 12.613 h |
| May | 30.3°C25.5°C | 25.5°C | 139 | 12.2 | 13.113 h |
| June | 32.0°C27.5°C | 27.5°C | 146 | 11.0 | 13.313 h |
| July | 31.7°C27.4°C | 27.4°C | 212 | 12.7 | 13.213 h |
| August | 30.9°C26.5°C | 26.5°C | 312 | 20.1 | 12.813 h |
| September | 29.5°C25.2°C | 25.2°C | 368 | 20.1 | 12.312 h |
| October, selected | 27.4°C22.9°C | 22.9°C | 241 | 16.2 | 11.712 h |
| November | 24.7°C19.9°C | 19.9°C | 82 | 9.9 | 11.211 h |
| December | 21.1°C16.3°C | 16.3°C | 53 | 8.9 | 11.011 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Thanh Hóa in OctoberVietnam · 16 kmHigh 27.6°C · Low 22.5°C · 180 mm rain
- Nghi Sơn in OctoberVietnam · 46 kmHigh 26.9°C · Low 22.3°C · 219 mm rain
- Hoàng Mai in OctoberVietnam · 55 kmHigh 27.5°C · Low 22.5°C · 219 mm rain
- Hoa Lư in OctoberVietnam · 59 kmHigh 27.9°C · Low 21.7°C · 154 mm rain
- Nam Định in OctoberVietnam · 83 kmHigh 28.1°C · Low 22.0°C · 142 mm rain
- Phủ Lý in OctoberVietnam · 90 kmHigh 27.9°C · Low 21.5°C · 142 mm rain
- Hưng Yên in OctoberVietnam · 103 kmHigh 28.2°C · Low 21.6°C · 132 mm rain
- Vinh in OctoberVietnam · 120 kmHigh 27.2°C · Low 22.8°C · 329 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sầm Sơn) is explained once on the Sầm Sơn year overview and on the Sources, method and limits page.