Spring in Vantaa experiences significantly less rain than autumn. The average monthly rainfall in February through May is only about 30 to 40 millimetres. In summer the weather becomes rainier, and the average monthly rainfall in July through November is 60 to 80 millimetres. The rainfall varies greatly throughout the year: in the late months of the year there are monthly rainfalls of less than 20 millimetres, as well as over 200 millimetres. Respectively, the weather becomes drier in the early months of the year. The total average rainfall in Vantaa in a year is 682.9 millimetres.
Spring in Vantaa experiences significantly less rain than autumn. The average monthly rainfall in February through May is only about 30 to 40 millimetres. In summer the weather becomes rainier, and the average monthly rainfall in July through November is 60 to 80 millimetres. The rainfall varies greatly throughout the year: in the late months o.f the year there are monthly rainfalls of less than 20 millimetres, as well as over 200 millimetres. Respectively, the weather becomes drier in the early months of the year. The total average rainfall in. Vantaa in a year is 6829 millimetres