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The average temperature in Cửa Lô over the whole year is 25°C. June is the hottest month, with highs of about 34°C; January is the coldest, with lows of about 17°C. The rainy (wet) season in Cửa Lô runs from June to November, peaking in September with a 72% chance of rain on a given day. The dry season is December to May; March is the driest month, at 31%. Winds in Cửa Lô are highest in June, averaging 1.7 m/s (6 km/h), and lightest in March, at 1.3 m/s (5 km/h). The prevailing wind is from the NE. The clearest skies in Cửa Lô come in June, when the sky is typically 71% covered; March is the cloudiest month, at 86%.
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 21°C | 17°C | 22°C | 39% | 84% | 1.4 m/s | 64 | 27 | 47 |
| February | 22°C | 18°C | 23°C | 37% | 86% | 1.4 m/s | 61 | 28 | 43 |
| March | 25°C | 21°C | 28°C | 31% | 86% | 1.3 m/s | 44 | 41 | 19 |
| April | 29°C | 24°C | 33°C | 40% | 81% | 1.4 m/s | 17 | 31 | 6 |
| May | 32°C | 27°C | 36°C | 49% | 74% | 1.5 m/s | 4 | 14 | 1 |
| June | 34°C | 29°C | 39°C | 52% | 71% | 1.7 m/s | 0 | 4 | 0 |
| July | 33°C | 28°C | 38°C | 61% | 73% | 1.6 m/s | 0 | 6 | 0 |
| August | 33°C | 28°C | 38°C | 56% | 75% | 1.5 m/s | 0 | 7 | 0 |
| September | 31°C | 26°C | 35°C | 72% | 74% | 1.4 m/s | 1 | 15 | 0 |
| October | 28°C | 24°C | 31°C | 69% | 78% | 1.5 m/s | 19 | 39 | 4 |
| November | 26°C | 22°C | 28°C | 54% | 76% | 1.4 m/s | 39 | 45 | 15 |
| December | 22°C | 18°C | 22°C | 44% | 84% | 1.5 m/s | 65 | 24 | 48 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Year round, Cửa Lô has days of about 21°C at their warmest in January, its coolest month, and 34°C in June, its warmest; the coolest hours of the day run from 17°C to 29°C through the year, and the average temperature over the year is 25°C around the clock. Rain is most likely around September and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Winter in Cửa Lô has typical daily highs of about 22°C and lows of about 18°C, with a 40% chance of rain on a given day.
Spring in Cửa Lô has typical daily highs of about 29°C and lows of about 24°C, with a 40% chance of rain on a given day.
Summer in Cửa Lô has typical daily highs of about 33°C and lows of about 28°C, with a 56% chance of rain on a given day.
Autumn in Cửa Lô has typical daily highs of about 28°C and lows of about 24°C, with a 65% chance of rain on a given day.
The rainy (wet) season in Cửa Lô runs from June to November, peaking in September with a 72% chance of rain on a given day. The dry season is December to May; March is the driest month, at 31%.
Winds in Cửa Lô are highest in June, averaging 1.7 m/s (6 km/h), and lightest in March, at 1.3 m/s (5 km/h). The prevailing wind is from the NE.
The average temperature in Cửa Lô over the whole year is 25°C. June is the hottest month, with highs of about 34°C; January is the coldest, with lows of about 17°C.