Climate averages 1991–2020
Sầm Sơn weather
in July.
A hot, very wet month: the 2nd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Sầm Sơn: daytime highs average 31.7°C and nights cool to about 27.4°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 212 mm of rain on roughly 13 days, which makes July a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 12 min on an average July day.
The nearest other city in this atlas is Thanh Hóa (16 km away). In July its highs average 32.4°C, 0.7°C warmer than Sầm Sơn, with 206 mm of rain.
Among the 136 cities listed in Vietnam, Sầm Sơn ranks joint 52nd of 136 for the warmest July highs and 37th of 136 for the driest July (rainfall, lowest first). The mean July high of those 136 cities is 30.8°C; Sầm Sơn is 1.0°C warmer than that mean.
From July to August, average highs fall by 0.9°C to 30.9°C, and monthly rainfall rises from 212 mm to 312 mm.
The annual picture
July 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, selected | 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 | 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
July in nearby cities
- Thanh Hóa in JulyVietnam · 16 kmHigh 32.4°C · Low 27.0°C · 206 mm rain
- Nghi Sơn in JulyVietnam · 46 kmHigh 32.7°C · Low 27.0°C · 171 mm rain
- Hoàng Mai in JulyVietnam · 55 kmHigh 33.4°C · Low 27.3°C · 171 mm rain
- Hoa Lư in JulyVietnam · 59 kmHigh 32.6°C · Low 26.6°C · 246 mm rain
- Nam Định in JulyVietnam · 83 kmHigh 32.4°C · Low 27.0°C · 246 mm rain
- Phủ Lý in JulyVietnam · 90 kmHigh 32.3°C · Low 26.1°C · 253 mm rain
- Hưng Yên in JulyVietnam · 103 kmHigh 32.4°C · Low 26.5°C · 253 mm rain
- Vinh in JulyVietnam · 120 kmHigh 33.5°C · Low 27.2°C · 149 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.