When to go · Mong Cai
Mong Cai in May
Great month. Inside Mong Cai's best window: Mar–May, Sep–Nov.
Key facts
- Verdict
- Great
- Temperature
- 30°C (86°F)86°F (30°C) / 24°C (75°F)75°F (24°C)
- average high / low
- Rain days
- 14
- Crowds
- Medium
- Vietnam overall
- Prices
- Medium
- Vietnam overall
Verdict
Inside Mong Cai's best window: Mar–May, Sep–Nov.
Is another month better than May?
No other month rates higher than May for Mong Cai in this guide.
Weather in May
- Mong CaiHighs around 30 °C (86 °F), lows around 24 °C (75 °F), rain on about 14 daysHighs around 86 °F (30 °C), lows around 75 °F (24 °C), rain on about 14 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Reunification Day + Labour Day big impact
30 Apr – 1 May · Vietnam
Beach towns and Hạ Long fully booked; book transport and beds early.
Crowds and prices
- Crowds · Vietnam overall
- Medium
- Prices · Vietnam overall
- Medium
Vietnam overall: Heat builds in Hanoi and Saigon; the central coast is at its beach best.
Compare two months
Weather, crowds and prices for any two months in Mong Cai, side by side.
Verdict
May: Great
Mar: Great
Daytime high
May: 30 °C (86 °F)86 °F (30 °C)
Mar: 23 °C (73 °F)73 °F (23 °C)
Night low
May: 24 °C (75 °F)75 °F (24 °C)
Mar: 17 °C (63 °F)63 °F (17 °C)
Rain days
May: 14
Mar: 14
Crowds
May: Medium
Mar: Medium
Prices
May: Medium
Mar: Medium
Festivals listed
May: 1
Mar: 0
May: Inside Mong Cai's best window: Mar–May, Sep–Nov.
March: Inside Mong Cai's best window: Mar–May, Sep–Nov.
Mong Cai: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast