Cheonan weather in March
March is a fair month to visit Cheonan: highs of 9°C (48°F) and about 39 mm (1.5 in) of rain on average. Nights average 0°C (31°F) and cloud cover 53% (NASA POWER, 2001–2025 averages). It is the 4th driest month of the year and the 4th coolest. Compared with February, it is warmer and wetter; April brings highs of 15°C (59°F) and 77 mm (3.0 in) of rain.
Is March a good time to visit Cheonan?
fair month Weather score 49/100.
March is a fair month in Cheonan. The weather is usually best in May–Jun, Sep–Oct.
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Does it rain a lot in Cheonan in March?
No, it is usually dry: about 39 mm (1.5 in) falls in an average March. It is the 4th driest month of the year.
How warm is Cheonan in March?
Days average 9°C (48°F) and nights 0°C (31°F).
Cheonan weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 2°C (35°F) | -5°C (23°F) | 22 mm | 56% | least pleasant |
| February | 4°C (38°F) | -4°C (26°F) | 32 mm | 55% | least pleasant |
| March | 9°C (48°F) | 0°C (31°F) | 39 mm | 53% | fair |
| April | 15°C (59°F) | 5°C (41°F) | 77 mm | 56% | fair |
| May | 21°C (70°F) | 11°C (51°F) | 84 mm | 58% | best |
| June | 25°C (78°F) | 16°C (61°F) | 125 mm | 70% | best |
| July | 27°C (81°F) | 21°C (70°F) | 343 mm | 78% | least pleasant |
| August | 28°C (83°F) | 22°C (71°F) | 253 mm | 71% | least pleasant |
| September | 24°C (76°F) | 17°C (63°F) | 134 mm | 65% | best |
| October | 19°C (65°F) | 11°C (51°F) | 51 mm | 50% | best |
| November | 11°C (52°F) | 4°C (39°F) | 46 mm | 53% | fair |
| December | 4°C (39°F) | -2°C (28°F) | 26 mm | 54% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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