A wind data estimating apparatus which can estimate data related to wind tolerable by a vehicle is provided. The wind data estimating apparatus includes an information collection part configured to collect vehicle information including a first acceleration, an amount of driving operation performed by a driver of a vehicle, and position information, which are obtained by sensors installed in the vehicle; an information classifying part configured to classify the collected vehicle information by an area of a plurality of areas according to the position information; and an estimating part which estimates a wind velocity and a wind direction for the area and for a time range when the vehicle information is obtained, on the basis of an acceleration obtained from subtracting a second acceleration caused by the amount of driving operation from the first acceleration included in the vehicle information classified by the area.