Depends on the type of soil the home is built on. If the soil consists of mostly clay the house will settle quicker when the soil is wet.
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Clay can also be troublesome. The strength of clay soils varies inversely with changes in moisture content: the greater the moisture, the weaker the soil. If clay materials underlie your site, the site plan must provide for positive drainage that will direct surface water away from the structure and paved areas; otherwise, water may penetrate and weaken the supporting soil. This is, in fact, a common cause of post-construction settlement problems. If site constraints make it impossible to direct runoff away from the driveway, you should plan to provide lateral drains alongside the driveway to prevent water from accumulating beneath the pavement. Foundation drains must also be carefully designed to carry groundwater well away from the structure. These measures aren't cheap, but they cost less than repairs, ill will and neighborhood gossip.
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