Summer weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

Maximum Temperatures

Period	Yokohama	Fukuoka	Saitama
Jun 1	74.5°F	78.4°F	78.8°F
Jun 8	74.7°F	78.4°F	79.0°F
Jun 15	75.9°F	80.1°F	80.1°F
Jun 22	78.8°F	81.5°F	83.7°F
Jul 1	81.0°F	83.1°F	86.0°F
Jul 8	81.9°F	83.7°F	86.5°F
Jul 15	84.0°F	87.1°F	88.9°F
Jul 22	86.0°F	90.3°F	91.4°F
Aug 1	87.3°F	92.5°F	93.0°F
Aug 8	87.3°F	89.8°F	91.8°F
Aug 15	85.3°F	88.3°F	89.6°F
Aug 22	86.0°F	88.2°F	90.1°F
Average	85.1°F	86.6°F	81.9°F

Minimum Temperatures

Period	Yokohama	Fukuoka	Saitama
Jun 1	65.8°F	64.6°F	65.1°F
Jun 8	66.9°F	65.8°F	66.9°F
Jun 15	67.5°F	67.3°F	67.3°F
Jun 22	71.1°F	70.9°F	71.1°F
Jul 1	72.9°F	73.0°F	73.9°F
Jul 8	74.3°F	74.1°F	75.0°F
Jul 15	76.1°F	74.8°F	76.3°F
Jul 22	77.7°F	77.5°F	78.3°F
Aug 1	79.0°F	78.8°F	79.7°F
Aug 8	79.9°F	77.7°F	80.2°F
Aug 15	78.1°F	77.2°F	78.1°F
Aug 22	78.8°F	76.6°F	78.8°F
Average	73.2°F	74.2°F	74.0°F

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions

Sunny Weather

Period	Yokohama	Fukuoka	Saitama
Jun 1	5.5 hours/day	6.7 hours/day	5.7 hours/day
Jun 8	5.2 hours/day	6.1 hours/day	4.9 hours/day
Jun 15	6.1 hours/day	6.8 hours/day	6.0 hours/day
Jun 22	4.9 hours/day	4.2 hours/day	5.0 hours/day
Jul 1	4.7 hours/day	2.5 hours/day	4.4 hours/day
Jul 8	5.1 hours/day	2.5 hours/day	4.4 hours/day
Jul 15	7.2 hours/day	4.4 hours/day	6.4 hours/day
Jul 22	6.7 hours/day	6.0 hours/day	5.2 hours/day
Aug 1	8.4 hours/day	8.1 hours/day	7.4 hours/day
Aug 8	5.7 hours/day	5.5 hours/day	3.9 hours/day
Aug 15	5.6 hours/day	4.9 hours/day	4.3 hours/day
Aug 22	5.6 hours/day	4.0 hours/day	4.2 hours/day
Average	5.1 hours/day	5.1 hours/day	5.9 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Period	Yokohama	Fukuoka	Saitama
Jun 1	0.3in	0.2in	0.3in
Jun 8	0.3in	0.2in	0.3in
Jun 15	0.3in	0.4in	0.3in
Jun 22	0.3in	0.4in	0.2in
Jul 1	0.5in	0.9in	0.4in
Jul 8	0.2in	0.6in	0.2in
Jul 15	0.2in	0.3in	0.2in
Jul 22	0.1in	0.2in	0.2in
Aug 1	0.1in	0.2in	0.1in
Aug 8	0.3in	0.6in	0.3in
Aug 15	0.2in	0.4in	0.2in
Aug 22	0.1in	0.4in	0.1in
Average	0.4in	0.2in	0.3in

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Period	Yokohama	Fukuoka	Saitama
Jun 1	14.8mph	8.1mph	13.3mph
Jun 8	15.2mph	8.2mph	12.6mph
Jun 15	15.6mph	8.1mph	12.6mph
Jun 22	16.2mph	9.9mph	12.5mph
Jul 1	17.9mph	10.1mph	13.9mph
Jul 8	15.4mph	9.3mph	11.3mph
Jul 15	13.3mph	8.8mph	10.9mph
Jul 22	15.3mph	8.2mph	12.3mph
Aug 1	14.3mph	9.5mph	12.4mph
Aug 8	17.3mph	10.9mph	13.6mph
Aug 15	15.6mph	8.5mph	12.9mph
Aug 22	15.1mph	9.1mph	12.0mph
Average	9.1mph	12.5mph	15.5mph

Humidity

Period	Yokohama	Fukuoka	Saitama
Jun 1	71.7%	70.9%	60.5%
Jun 8	75.0%	77.0%	63.8%
Jun 15	74.5%	75.4%	63.8%
Jun 22	77.6%	79.9%	66.0%
Jul 1	79.1%	83.1%	67.5%
Jul 8	76.9%	83.9%	66.2%
Jul 15	76.2%	77.0%	63.8%
Jul 22	73.2%	72.8%	59.7%
Aug 1	72.1%	69.7%	58.0%
Aug 8	72.7%	73.3%	60.8%
Aug 15	73.4%	75.7%	62.3%
Aug 22	72.5%	75.0%	61.4%
Average	76.1%	62.8%	74.6%

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Astronomy

Sunrise Time

Period	Yokohama	Fukuoka	Saitama
Jun 1	4:26	5:08	4:25
Jun 8	4:25	5:08	4:24
Jun 15	4:26	5:08	4:25
Jun 22	4:28	5:10	4:26
Jul 1	4:31	5:13	4:30
Jul 8	4:35	5:17	4:34
Jul 15	4:39	5:21	4:38
Jul 22	4:46	5:27	4:44
Aug 1	4:52	5:32	4:51
Aug 8	4:58	5:38	4:56
Aug 15	5:03	5:43	5:02
Aug 22	5:10	5:49	5:09
Average	5:24	4:42	4:42

Sunrise times are output in the local timezone of each place.

Sunset Time

Period	Yokohama	Fukuoka	Saitama
Jun 1	18:53	19:25	18:54
Jun 8	18:56	19:29	18:58
Jun 15	18:59	19:31	19:01
Jun 22	19:01	19:33	19:02
Jul 1	19:01	19:32	19:02
Jul 8	18:59	19:31	19:00
Jul 15	18:56	19:28	18:56
Jul 22	18:50	19:23	18:51
Aug 1	18:43	19:16	18:43
Aug 8	18:35	19:10	18:36
Aug 15	18:27	19:02	18:28
Aug 22	18:16	18:51	18:17
Average	19:18	18:48	18:48

Sunset times are output in the local timezone of each place.

Useful Day Length

Period	Yokohama	Fukuoka	Saitama
Jun 1	11:53 hours	12:25 hours	11:54 hours
Jun 8	11:56 hours	12:29 hours	11:58 hours
Jun 15	11:59 hours	12:31 hours	12:01 hours
Jun 22	12:01 hours	12:33 hours	12:02 hours
Jul 1	12:01 hours	12:32 hours	12:02 hours
Jul 8	11:59 hours	12:31 hours	12:00 hours
Jul 15	11:56 hours	12:28 hours	11:56 hours
Jul 22	11:50 hours	12:23 hours	11:51 hours
Aug 1	11:43 hours	12:16 hours	11:43 hours
Aug 8	11:35 hours	12:10 hours	11:36 hours
Aug 15	11:27 hours	12:02 hours	11:28 hours
Aug 22	11:16 hours	11:51 hours	11:17 hours
Average	12:18 hours	11:48 hours	11:48 hours

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

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Weather in Yokohama, Fukuoka and Saitama

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Summer weather

Temperatures

Conditions

Astronomy

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