Japan Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

Tokyo, Japan latitude & longitude; 35°41'N 139°46'E.
Altitude; 5 m (16 ft).
The average temperature in Japan is 15.1 °C (59 °F).
The range of average monthly temperatures is 23 °C.
The warmest average max/ high temperature is 31 °C (88 °F) in August.
The coolest average min/ low temperature is -1 °C (30 °F) in January.
Japan receives on average 1562 mm (61.5 in) of precipitation annually or 130 mm (5.1 in) each month.
On balance there are 117 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 10 days on an average month.
The month with the driest weather is January when on balance 48 mm (1.9 in) of rain, sleet, hail or snow falls across 6 days.
The month with the wettest weather is October when on balance 220 mm (8.7 in) of rain, sleet, hail or snow falls across 12 days.
Mean relative humidity for an average year is recorded as 71.2% and on a monthly basis it ranges from 60% in January & February to 80% in July.
There is an average range of hours of sunshine in Japan of between 4.4 hours per day in October and 6.6 hours per day in August.
On balance there are 2020 sunshine hours annually and approximately 5.5 sunlight hours for each day.
On balance there are 52 days annually registering frost in Japan and in January there are on average 20 days with frost.

Japan Climate Graph (Metric | Imperial units)

Japan Climate Graph

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<div align="center"><img src="http://www.climatetemp.info/graph/tokyo_files/image001.gif" width="659" height="557"><br><a href="http://www.climatetemp.info/japan/">Japan Climate</a> graph contributed by climatetemp.info</div>

Japan Weather Averages

	Average Minimum Temperatures in Japan (°C)	Average Maximum Temperature in Japan (°C)	Japan Average Temperature (°C)	Average Sea Temp (°C)	Average Precipitation/ Rainfall (mm)	Wet Days (>0.1 mm)	Average Sunlight Hours/ Day	Relative Humidity (%)	Average Wind Speed in Japan (Beaufort)	Average Number of Days with Frost
Weather in Japan in January	-1	9	4	-	48	6	6.0	60	3	20	Average Temperature in Japan in January
Weather in Japan in February	0	10	5	-	73	7	5.9	60	3	16	Average Temperature in Japan in February
Weather in Japan in March	3	13	8	-	101	10	5.7	63.0	3	5	Average Temperature in Japan in March
Weather in Japan in April	9	18	14	-	135	11	6.0	68	3	0	Average Temperature in Japan in April
Weather in Japan in May	14	22	18	-	131	12	6.2	73	3	0	Average Temperature in Japan in May
Weather in Japan in June	18	25	22	-	182	12	5.0	79	3	0	Average Temperature in Japan in June
Weather in Japan in July	22	29	26	-	146	11	5.8	80	3	0	Average Temperature in Japan in July
Weather in Japan in August	23	31	27	-	147	10	6.6	79	3	0	Average Temperature in Japan in August
Weather in Japan in September	20	27	24	-	217	13	4.5	79	3	0	Average Temperature in Japan in September
Weather in Japan in October	13	21	17	-	220	12	4.4	77	3	0	Average Temperature in Japan in October
Weather in Japan in November	7	16	12	-	101	8	4.8	71	2	1	Average Temperature in Japan in November
Weather in Japan in December	2	12	7	-	61	5	5.5	65	2	10	Average Temperature in Japan in December

Japan Climograph/ Climate Chart (imperial)

Japan Temperature Chart

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<div align="center"><img src="http://www.climatetemp.info/graph/tokyo_files/image002.gif" width="659" height="557"><br><a href="http://www.climatetemp.info/japan/">Japan Climate</a> graph contributed by climatetemp.info</div>

Japan Temperatures in Farenheit

	Average Minimum Temperatures in Japan (°F)	Average Maximum Temperature in Japan (°F)	Average Temperature (°F)	Average Sea Temp (°F)	Average Precipitation/ Rainfall (in)	Wet Days (>0.004 in)	Average Sunlight Hours/ Day	Relative Humidity (%)	Average Wind Speed (Beaufort)	Average Number of Days with Frost
Temperatures in Japan in January	30	48	39	-	1.9	6	6.0	60	3	20	Climate in Japan in January
Temperatures in Japan in February	32	50	41	-	2.9	7	5.9	60	3	16	Climate in Japan in February
Temperatures in Japan in March	37	55	46	-	4.0	10	5.7	63	3	5	Climate in Japan in March
Temperatures in Japan in April	48	64	56	-	5.3	11	6.0	68	3	0	Climate in Japan in April
Temperatures in Japan in May	57	72	64	-	5.2	12	6.2	73	3	0	Climate in Japan in May
Temperatures in Japan in June	64	77	71	-	7.2	12	5.0	79	3	0	Climate in Japan in June
Temperatures in Japan in July	72	84	78	-	5.7	11	5.8	80	3	0	Climate in Japan in July
Temperatures in Japan in August	73	88	81	-	5.8	10	6.6	79	3	0	Climate in Japan in August
Temperatures in Japan in September	68	81	74	-	8.5	13	4.5	79	3	0	Climate in Japan in September
Temperatures in Japan in October	55	70	63	-	8.7	12	4.4	77	3	0	Climate in Japan in October
Temperatures in Japan in November	45	61	53	-	4.0	8	4.8	71	2	1	Climate in Japan in November
Temperatures in Japan in December	36	54	45	-	2.4	5	5.5	65	2	10	Climate in Japan in December

Figures for Tokyo, Japan. See also:

Forum: Japan

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