Nam Định Weather in May
During May, Nam Định experiences very high daytime temperatures of 33°C (91°F) and cooler nights around 26°C (79°F). May sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Nam Định in May
As part of the rainy season, Nam Định sees around 14 days of rain in May, with an average of 195 mm (7.7 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Nam Định in May
In May, Nam Định sees very high temperatures, with highs of 33°C (91°F). Nights drop to around 26°C (79°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Nam Định in May
There are approximately 193 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.May in Nam Định can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Nam Định's climate page.
Nam Định Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
33°C (91°F)
Chance of Rain
47%
Precipitation
195 mm (7.7 in)
Rainy days
14 days
Humidity
84%
Sunshine
193 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nam Định typically stay consistent throughout May, with daily highs averaging around 33°C (91°F). Nights are warm, with lows typically ranging from 24°C (75°F) to 26°C (79°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Nam Định in May
Browse day-by-day weather records for Nam Định spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nam Định historical weather extremes in May
Based on weather observations in Nam Định between 1994 and 2026, these are the recorded extremes during May.
- The hottest May day on record in Nam Định reached 39°C (102°F) (May 25, 2026).
- The lowest daytime temperature in May was 21°C (70°F), recorded on May 5, 2004.
- The lowest overnight temperature recorded in May was 18°C (64°F) (May 5, 1994).
Best Places in Vietnam in May
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in May →
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What to Wear in Nam Định in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Nam Định in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Nam Định's climate page.
Temperature Rainfall Sunshine Humidity
See the full Nam Định climate overview or explore weather in Vietnam.
