Climate - Nam Dinh (Vietnam)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Nam Dinh (Vietnam)
In Nam Dinh, there is a subtropical climate, with very mild winters and hot, humid and rainy summers. The sun shines quite rarely. The rainiest period is from May to October, due to the monsoon of Southeast Asia.
The city is located in northern Vietnam, at 20 degrees north latitude and 35 km (22 mi) away from the coast of the Gulf of Tonkin. We are in the Red River Delta area. The capital, Hanoi, lies about 60 km (38 mi) to the northwest.
The winter, from December to February, is mild, however, the sky is often cloudy, especially in January and February, and drizzle can occur.
Winter averages are a little higher than in the far north of Vietnam, however, sometimes there can be very cool periods here as well, with lows around 7/8 °C (45/46 °F) and highs around 15 °C (59 °F). More rarely, it can even get cold for a few days, and highs can drop to around 10 °C (50 °F). In January 2016, there was a day with a minimum of 5.5 °C (42 °F) and a maximum of 7.5 °C (45.5 °F).
The summer, from May to September, is hot and muggy, with frequent and sometimes heavy rains. During the pauses between a period of bad weather and the next, it can get very hot, and the records from May to July are around 39/40 °C (102/104 °F).
Here are the average temperatures.
Nam Dinh - Average temperatures (2000-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 14.9 | 19.8 | 17.4 | 59 | 68 | 63.2 |
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| February | 16.7 | 21.1 | 18.9 | 62 | 70 | 66 |
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| March | 19 | 23.4 | 21.2 | 66 | 74 | 70.2 |
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| April | 22.3 | 27.8 | 25 | 72 | 82 | 77.1 |
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| May | 25.4 | 31.9 | 28.6 | 78 | 89 | 83.6 |
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| June | 27.2 | 34.1 | 30.6 | 81 | 93 | 87.2 |
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| July | 27.3 | 33.4 | 30.4 | 81 | 92 | 86.6 |
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| August | 26.4 | 32.4 | 29.4 | 80 | 90 | 84.9 |
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| September | 25.4 | 31.4 | 28.4 | 78 | 89 | 83.1 |
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| October | 23 | 29.4 | 26.2 | 73 | 85 | 79.2 |
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| November | 19.8 | 26.3 | 23 | 68 | 79 | 73.5 |
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| December | 16 | 21.8 | 18.9 | 61 | 71 | 66 |
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| Year | 22 | 27.8 | 24.8 | 71.6 | 82 | 76.5 |
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On average, about 1,750 mm (68 in) of rain fall per year, of which more than 150 mm (6 in) per month fall from May to October. Although precipitation in winter is weak, as mentioned, especially from January onwards, there are frequent drizzles.
Here is the average precipitation.
Nam Dinh - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 25 | 1 | 9 |
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| February | 30 | 1.2 | 13 |
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| March | 50 | 2 | 16 |
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| April | 95 | 3.7 | 13 |
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| May | 175 | 6.9 | 12 |
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| June | 205 | 8.1 | 13 |
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| July | 230 | 9.1 | 12 |
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| August | 295 | 11.6 | 15 |
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| September | 325 | 12.8 | 14 |
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| October | 225 | 8.9 | 12 |
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| November | 60 | 2.4 | 7 |
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| December | 30 | 1.2 | 6 |
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| Year | 1745 | 68.7 | 144 |
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Nam Dinh is a dull city. The sun is rarely seen from January to April, but even in summer, it does not shine very often because of the summer monsoon. There are about 1,620 hours of sunshine per year. Here is the daily average.
Nam Dinh - Sunshine hours| Month | Average | Total |
|---|
January | 2.5 | 75 | February | 1.5 | 40 | March | 1.5 | 45 | April | 3 | 95 | May | 6 | 190 | June | 6 | 185 | July | 6.5 | 210 | August | 5.5 | 175 | September | 6 | 175 | October | 5.5 | 170 | November | 4.5 | 140 | December | 4 | 125 | Year | 4.4 | 1620 |
In Nam Dinh, the sea is a bit cool from January to March, while it is very warm in the summer months. Anyway, in winter, cool and cloudy weather conditions which prevail in this season are usually not inviting for swimming.
Nam Dinh - Sea temperature| Month | Celsius (°C) | Fahrenheit (°F) |
|---|
January | 21.5 | 71 | February | 21.5 | 70 | March | 22.5 | 72 | April | 24.5 | 76 | May | 27.5 | 81 | June | 29.5 | 85 | July | 30 | 86 | August | 30 | 86 | September | 29.5 | 85 | October | 28 | 82 | November | 25.5 | 78 | December | 23 | 74 | Year | 26.1 | 78.9 |
The city can be hit by typhoons, the tropical cyclones of Southeast Asia, and it should be remembered that the coast is the area most at risk. Typically, typhoons pass in this area from late May to early November, with a maximum from July to October.
Best Time
In Nam Dinh, there is no time of year when the temperatures are mild, the sun shines and there is little rain. However, you can choose spring and autumn, and in particular, from mid-March to mid-April and from the end of October to the end of November.
In winter, December is a little sunnier and less cool than January and February.
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