Climate data for Tokyo (1971-2000)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high deg C (deg F) 9.8
(49.6)		 10.0
(50)		 12.9
(55.2)		 18.4
(65.1)		 22.7
(72.9)		 25.2
(77.4)		 29.0
(84.2)		 30.8
(87.4)		 26.8
(80.2)		 21.6
(70.9)		 16.7
(62.1)		 12.3
(54.1)		 19.7
(67.5)
Daily mean deg C (deg F) 5.8
(42.4)		 6.1
(43)		 8.9
(48)		 14.4
(57.9)		 18.7
(65.7)		 21.8
(71.2)		 25.4
(77.7)		 27.1
(80.8)		 23.5
(74.3)		 18.2
(64.8)		 13.0
(55.4)		 8.4
(47.1)		 15.9
(60.6)
Average low deg C (deg F) 2.1
(35.8)		 2.4
(36.3)		 5.1
(41.2)		 10.5
(50.9)		 15.1
(59.2)		 18.9
(66)		 22.5
(72.5)		 24.2
(75.6)		 20.7
(69.3)		 15.0
(59)		 9.5
(49.1)		 4.6
(40.3)		 12.5
(54.5)
Precipitation mm (inches) 48.6
(1.913)		 60.2
(2.37)		 114.5
(4.508)		 130.3
(5.13)		 128.0
(5.039)		 164.9
(6.492)		 161.5
(6.358)		 155.1
(6.106)		 208.5
(8.209)		 163.1
(6.421)		 92.5
(3.642)		 39.6
(1.559)		 1,466.7
(57.744)
percent Humidity 50 51 57 62 66 73 75 72 72 66 60 53 63.1
Avg. snowy days 2.7 3.5 2.2 0 0 0 0 0 0 0 0 0.7 9.1
Sunshine hours 180.5 161.1 159.2 164.9 180.9 120.1 147.5 177.5 112.9 129.9 141.4 171.1 1,847.2
Source: Japan Meteorological Agency