Seongnam-si weather in March
March is a fair month to visit Seongnam-si: highs of 9°C (47°F) and about 37 mm (1.5 in) of rain on average. Nights average -1°C (30°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 72 mm (2.8 in) of rain.
Is March a good time to visit Seongnam-si?
fair month Weather score 49/100.
March is a fair month in Seongnam-si. The weather is usually best in May–Jun, Oct.
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Does it rain a lot in Seongnam-si in March?
No, it is usually dry: about 37 mm (1.5 in) falls in an average March. It is the 4th driest month of the year.
How warm is Seongnam-si in March?
Days average 9°C (47°F) and nights -1°C (30°F).
Seongnam-si weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 1°C (33°F) | -7°C (19°F) | 20 mm | 50% | fair |
| February | 3°C (38°F) | -5°C (23°F) | 31 mm | 52% | least pleasant |
| March | 9°C (47°F) | -1°C (30°F) | 37 mm | 53% | fair |
| April | 15°C (59°F) | 5°C (40°F) | 72 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) | 116 mm | 67% | best |
| July | 27°C (81°F) | 21°C (69°F) | 361 mm | 79% | least pleasant |
| August | 28°C (83°F) | 22°C (71°F) | 260 mm | 72% | least pleasant |
| September | 24°C (76°F) | 16°C (62°F) | 138 mm | 63% | fair |
| October | 18°C (65°F) | 10°C (49°F) | 53 mm | 48% | best |
| November | 11°C (51°F) | 3°C (37°F) | 47 mm | 52% | fair |
| December | 3°C (37°F) | -5°C (24°F) | 22 mm | 49% | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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