Tokyo
Japan
35.68 ° N
139.77 ° E
121 ft
Warm temperate moist forest
Cfa Humid subtropical climate
+
Cfak Subtropical climate with evenly distributed precipitation with hot summer with cool winter
Traditional Koppen classification: Cfa (Humid subtropical climate)

Official definition:
  • C – temperature of warmest month greater than or equal to 10 °C and temperature of coldest month less than 18 °C, but higher than -3 °C
  • f – precipitation is relatively evenly distributed throughout the year and do not fulfill classification criteria for s or w type
  • a - temperature of warmest month above 22 °C

The Cfa climate type is typical for areas on the Eastern coasts of continents, mostly between 20th and 30th latitude. The average temperature of the warmest month is higher than 22 °C and the temperature throughout the year range from usually -3 to 18 °C. In the winter, however, in some cases it can be well below freezing point.

Precipitation is relatively evenly distributed during the entire year. Humidity tends to be higher during the summer half year, when the conditions resemble the humid tropical climate. The total annual rainfall can be quite variable, most commonly between 650 and 2500 mm. Thunderstorms during the summer are frequent.

Cfa climate type can be found for example in the Southeastern USA, Northern part of Argentina, Uruguay and Southern part of Brazil, Southern Japan and South of China.


Modern Trewartha classification: Cfak (Subtropical climate with evenly distributed precipitation with hot summer with cool winter)

Subtropical in the Koppen and Trewartha classification is defined as a region, where at least eight months has an average temperature of more than 10 °C, but the coldest month has an average temperature of less than 18 °C. The individual subtypes then differ in their annual precipitation distribution. In Trewartha classification there is a condition of maximum annual precipitation of 900 mm.

In general the subtropical climate is usually found in areas polewards from the tropical zones. It can also be found inside tropical zones at places with higher altitude. Typical are for example citrus trees or palm trees.

The Cf subtype is characterized by precipitation evenly distributed throughout the year.

It can be found for example in Eastern part of South America, in large areas in Southeast U.S., Northern Italy, the Southwest tip of Russia, in Southeast Asia, some parts of Japan or East coast of Australia.

  • hot summer: warmest month with average temperature between 23 and 28 °C
  • cool winter: coldest month with average temperature between 0 and 10 °C

Summary

60 °F
54 / 67

55.4 in
117 days

64 %

5 h 31 min/day


Temperature
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Min Temperature(°F) 34.035.040.050.059.065.072.075.068.058.048.039.0 54.0
Avg Temperature(°F) 41.042.047.057.065.071.077.081.074.064.055.046.0 60.0
Max Temperature (°F) 49.049.055.065.073.077.084.088.080.070.062.054.0 67.0
Range 15.014.015.015.014.012.012.013.012.012.014.015.0 13.0


Max month Min month Annual range
Min Temperature Aug Jan 41.0°F
Avg Temperature Aug Jan 40.0°F
Max Temperature Aug Jan, Feb 39.0°F
Temperature range Jan, Mar, Apr, Dec Jun, Jul, Sep, Oct 54.0°F
Average
1 2 3 4 5 6 7 8 9 10 11 12
Min Temperature(°F)
Avg Temperature(°F)
Max Temperature(°F)


Mar, Apr, May

Jun, Jul, Aug

Sep, Oct, Nov

Dec, Jan, Feb
Max Min Average Range Max Min Average Range Max Min Average Range Max Min Average Range
Min Temperature 59.0 40.0 49.67 19.0 75.0 65.0 70.67 10.0 68.0 48.0 58.00 20.0 39.0 34.0 36.00 5.0
Avg Temperature 65.0 47.0 56.33 18.0 81.0 71.0 76.33 10.0 74.0 55.0 64.33 19.0 46.0 41.0 43.00 5.0
Max Temperature 73.0 55.0 64.33 18.0 88.0 77.0 83.00 11.0 80.0 62.0 70.67 18.0 54.0 49.0 50.67 5.0

Temperature
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Temperature (°F) 41.042.047.057.065.071.077.081.074.064.055.046.0 60.0


Max month Min month Annual range
Avg Temperature Aug Jan 40.0°F
Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Temperature (°F)


Mar, Apr, May

Jun, Jul, Aug

Sep, Oct, Nov

Dec, Jan, Feb
Max Min Average Range Max Min Average Range Max Min Average Range Max Min Average Range
Avg Temperature 65.0 47.0 56.33 18.0 81.0 71.0 76.33 10.0 74.0 55.0 64.33 19.0 46.0 41.0 43.00 5.0


Humidity
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Humidity (%) 50.052.056.063.066.073.076.073.073.067.061.054.0 60.0


Max month Min month Annual range
Avg Humidity Jul Jan 26.0%
Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Humidity (%)


Mar, Apr, May

Jun, Jul, Aug

Sep, Oct, Nov

Dec, Jan, Feb
Max Min Average Range Max Min Average Range Max Min Average Range Max Min Average Range
Avg Humidity 66.0 56.0 61.67 10.0 76.0 73.0 74.00 3.0 73.0 61.0 67.00 12.0 54.0 50.0 52.00 4.0


Precipitation
+

Month Monthly average Annual total
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in) 1.82.43.94.95.47.35.05.87.16.53.51.8 4.6 55.4
Wetdays 67101112121110131285 10 117
Wetdays ratio (%) 19.4
6,25
25.0
7,21
32.3
10,21
36.7
11,19
38.7
12,19
40.0
12,18
35.5
11,20
32.3
10,21
43.3
13,17
38.7
12,19
26.7
8,22
16.1
5,26
32.1
32.0548,67.9452


Max month Min month Max Season Min Season Annual range
Average monthly precipitation Jun Jan Summer Winter 5.5in
Wetdays Sep Dec Autumn Winter 8
Month
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in)
Wetdays / month


Mar, Apr, May

Jun, Jul, Aug

Sep, Oct, Nov

Dec, Jan, Feb
Max Min Range Total Max Min Range Total Max Min Range Total Max Min Range Total
Average monthly precipitation (in) 5.4 3.9 1.5 14.3 7.3 5.0 2.3 18.1 7.1 3.5 3.6 17.1 2.4 1.8 0.6 5.9
Wetdays 12 10 2 33 12 10 2 33 64 13 51 132 7 5 2 18

Precipitation
+

Month Monthly average Annual total
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in) 1.82.43.94.95.47.35.05.87.16.53.51.8 4.6 55.4


Max month Min month Max Season Min Season Annual range
Average monthly precipitation Jun Jan Summer Winter 5.5in
Month
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in)


Mar, Apr, May

Jun, Jul, Aug

Sep, Oct, Nov

Dec, Jan, Feb
Max Min Range Total Max Min Range Total Max Min Range Total Max Min Range Total
Average monthly precipitation (in) 5.4 3.9 1.5 14.3 7.3 5.0 2.3 18.1 7.1 3.5 3.6 17.1 2.4 1.8 0.6 5.9


Sunlight / Day length
+

Max day length Min day length Sunlight/Day length
Jan 360 min
6 h 0 min
602 min
10 h 2 min
602,838
623 min
10 h 23 min
(31.1.)
623,817
586 min
9 h 46 min
(1.1.)
586,854
59.8 %
360,242
Feb 352 min
5 h 52 min
653 min
10 h 53 min
653,787
682 min
11 h 22 min
(29.2.)
682,758
625 min
10 h 25 min
(1.2.)
625,815
53.9 %
352,301
Mar 340 min
5 h 40 min
718 min
11 h 58 min
718,722
752 min
12 h 32 min
(31.3.)
752,688
685 min
11 h 25 min
(1.3.)
685,755
47.3 %
340,378
Apr 360 min
6 h 0 min
786 min
13 h 6 min
786,654
816 min
13 h 36 min
(30.4.)
816,624
755 min
12 h 35 min
(1.4.)
755,685
45.8 %
360,426
May 373 min
6 h 13 min
843 min
14 h 3 min
843,597
863 min
14 h 23 min
(31.5.)
863,577
818 min
13 h 38 min
(1.5.)
818,622
44.3 %
373,470
Jun 298 min
4 h 58 min
871 min
14 h 31 min
871,569
874 min
14 h 34 min
(21.6.)
874,566
864 min
14 h 24 min
(1.6.)
864,576
34.2 %
298,573
Jul 350 min
5 h 50 min
857 min
14 h 17 min
857,583
871 min
14 h 31 min
(1.7.)
871,569
837 min
13 h 57 min
(31.7.)
837,603
40.8 %
350,507
Aug 394 min
6 h 34 min
807 min
13 h 27 min
807,633
836 min
13 h 56 min
(1.8.)
836,604
777 min
12 h 57 min
(31.8.)
777,663
48.8 %
394,413
Sep 272 min
4 h 32 min
743 min
12 h 23 min
743,697
775 min
12 h 55 min
(1.9.)
775,665
711 min
11 h 51 min
(30.9.)
711,729
36.6 %
272,471
Oct 263 min
4 h 23 min
676 min
11 h 16 min
676,764
708 min
11 h 48 min
(1.10.)
708,732
644 min
10 h 44 min
(31.10.)
644,796
38.9 %
263,413
Nov 288 min
4 h 48 min
617 min
10 h 17 min
617,823
642 min
10 h 42 min
(1.11.)
642,798
596 min
9 h 56 min
(30.11.)
596,844
46.7 %
288,329
Dec 327 min
5 h 27 min
587 min
9 h 47 min
587,853
595 min
9 h 55 min
(1.12.)
595,845
584 min
9 h 44 min
(21.12.)
584,856
55.8 %
327,260
Year 359 min
5 h 59 min
730 min
12 h 10 min
730,710
874 min
14 h 34 min
(20. 6.)
874,566
584 min
9 h 44 min
(20. 12.)
584,856
49.2 %
359,371



Mar, Apr, May

Jun, Jul, Aug

Sep, Oct, Nov

Dec, Jan, Feb
Max Min Average Sunlight/day Max Min Average Sunlight/day Max Min Average Sunlight/day Max Min Average Sunlight/day
(min/day) 373 340 358 45.7%
358,425
394 298 347 41.1%
347,498
288 263 274 40.4%
274,404
360 327 346 56.5%
346,266
Day length 863 685 782 874 777 845 775 596 678 682 584 613

Day length
+

Max day length Min day length
Jan 602 min
10 h 2 min
602,838
623 min
10 h 23 min
(Array.1.)
623,817
586 min
9 h 46 min
(1.1.)
586,854
Feb 653 min
10 h 53 min
653,787
682 min
11 h 22 min
(Array.2.)
682,758
625 min
10 h 25 min
(1.2.)
625,815
Mar 718 min
11 h 58 min
718,722
752 min
12 h 32 min
(Array.3.)
752,688
685 min
11 h 25 min
(1.3.)
685,755
Apr 786 min
13 h 6 min
786,654
816 min
13 h 36 min
(Array.4.)
816,624
755 min
12 h 35 min
(1.4.)
755,685
May 843 min
14 h 3 min
843,597
863 min
14 h 23 min
(Array.5.)
863,577
818 min
13 h 38 min
(1.5.)
818,622
Jun 871 min
14 h 31 min
871,569
874 min
14 h 34 min
(Array.6.)
874,566
864 min
14 h 24 min
(1.6.)
864,576
Jul 857 min
14 h 17 min
857,583
871 min
14 h 31 min
(Array.7.)
871,569
837 min
13 h 57 min
(31.7.)
837,603
Aug 807 min
13 h 27 min
807,633
836 min
13 h 56 min
(Array.8.)
836,604
777 min
12 h 57 min
(31.8.)
777,663
Sep 743 min
12 h 23 min
743,697
775 min
12 h 55 min
(Array.9.)
775,665
711 min
11 h 51 min
(30.9.)
711,729
Oct 676 min
11 h 16 min
676,764
708 min
11 h 48 min
(Array.10.)
708,732
644 min
10 h 44 min
(31.10.)
644,796
Nov 617 min
10 h 17 min
617,823
642 min
10 h 42 min
(Array.11.)
642,798
596 min
9 h 56 min
(30.11.)
596,844
Dec 587 min
9 h 47 min
587,853
595 min
9 h 55 min
(Array.12.)
595,845
584 min
9 h 44 min
(21.12.)
584,856
Year 730 min
12 h 10 min
730,710
874 min
14 h 34 min
(22. 6.)
874,566
584 min
9 h 44 min
(22. 12.)
584,856



Mar, Apr, May

Jun, Jul, Aug

Sep, Oct, Nov

Dec, Jan, Feb
Max Min Average Max Min Average Max Min Average Max Min Average
Day length 863 685 782 874 777 845 775 596 678 682 584 613

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