The growth of nails is affected by multiple factors such as hormones, gender, location, and age. The nails of males grow quickly than females, but the nails of pregnant ladies may grow faster or slower. Many people notice that after an illness, their nails grow rapidly. Fingernails develop about 3.47 mm per month, but toenails grow about 1.62 mm every month. The fingernails grow faster in the day and the summer, and the middle nails develop faster than thumbnails. If your nails grow quickly, then you can cut them frequently because there’s no way to slow down their growth process.