Summer weather

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

Temperatures

Maximum Temperatures

Period	St. Louis	Cincinnati
Jun 1	83.3°F	80.1°F
Jun 8	83.8°F	79.5°F
Jun 15	87.4°F	84.0°F
Jun 22	87.1°F	83.7°F
Jul 1	88.7°F	87.1°F
Jul 8	88.7°F	86.7°F
Jul 15	88.5°F	86.9°F
Jul 22	87.6°F	85.8°F
Aug 1	86.4°F	85.3°F
Aug 8	86.2°F	85.5°F
Aug 15	86.2°F	83.7°F
Aug 22	87.8°F	85.8°F
Average	84.5°F	86.8°F

Minimum Temperatures

Period	St. Louis	Cincinnati
Jun 1	65.3°F	61.0°F
Jun 8	65.7°F	61.5°F
Jun 15	68.9°F	64.6°F
Jun 22	68.7°F	64.8°F
Jul 1	71.2°F	68.4°F
Jul 8	70.9°F	67.8°F
Jul 15	71.6°F	68.7°F
Jul 22	70.5°F	67.5°F
Aug 1	68.5°F	66.6°F
Aug 8	69.4°F	66.9°F
Aug 15	68.0°F	65.8°F
Aug 22	68.9°F	66.4°F
Average	65.8°F	69.0°F

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

Conditions

Sunny Weather

Period	St. Louis	Cincinnati
Jun 1	8.9 hours/day	8.2 hours/day
Jun 8	8.8 hours/day	6.5 hours/day
Jun 15	8.5 hours/day	8.0 hours/day
Jun 22	8.4 hours/day	7.2 hours/day
Jul 1	8.1 hours/day	7.5 hours/day
Jul 8	9.1 hours/day	8.0 hours/day
Jul 15	7.4 hours/day	7.3 hours/day
Jul 22	7.4 hours/day	7.0 hours/day
Aug 1	8.2 hours/day	6.4 hours/day
Aug 8	6.7 hours/day	7.4 hours/day
Aug 15	7.6 hours/day	6.0 hours/day
Aug 22	7.4 hours/day	6.8 hours/day
Average	7.2 hours/day	8.0 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	St. Louis	Cincinnati
Jun 1	0.1in	0.1in
Jun 8	0.1in	0.2in
Jun 15	0.2in	0.2in
Jun 22	0.2in	0.2in
Jul 1	0.1in	0.1in
Jul 8	0.1in	0.1in
Jul 15	0.2in	0.2in
Jul 22	0.2in	0.2in
Aug 1	0.2in	0.1in
Aug 8	0.2in	0.1in
Aug 15	0.2in	0.1in
Aug 22	0.2in	0.1in
Average	0.2in	0.2in

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

Wind Speed

Period	St. Louis	Cincinnati
Jun 1	9.4mph	8.8mph
Jun 8	10.6mph	8.8mph
Jun 15	10.1mph	8.5mph
Jun 22	10.8mph	8.9mph
Jul 1	8.8mph	7.2mph
Jul 8	8.9mph	7.9mph
Jul 15	8.9mph	8.1mph
Jul 22	8.7mph	7.8mph
Aug 1	9.1mph	7.4mph
Aug 8	9.0mph	7.6mph
Aug 15	9.1mph	7.8mph
Aug 22	9.0mph	7.7mph
Average	8.0mph	9.4mph

Humidity

Period	St. Louis	Cincinnati
Jun 1	69.1%	72.4%
Jun 8	69.1%	75.1%
Jun 15	69.0%	74.3%
Jun 22	70.7%	75.3%
Jul 1	72.7%	76.3%
Jul 8	73.9%	74.0%
Jul 15	74.3%	75.7%
Jul 22	71.9%	72.6%
Aug 1	72.9%	74.4%
Aug 8	73.7%	71.4%
Aug 15	73.3%	74.5%
Aug 22	68.0%	70.3%
Average	73.9%	71.6%

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Astronomy

Sunrise Time

Period	St. Louis	Cincinnati
Jun 1	5:37	6:13
Jun 8	5:36	6:11
Jun 15	5:37	6:11
Jun 22	5:38	6:13
Jul 1	5:42	6:17
Jul 8	5:46	6:21
Jul 15	5:51	6:26
Jul 22	5:58	6:34
Aug 1	6:05	6:41
Aug 8	6:11	6:47
Aug 15	6:17	6:54
Aug 22	6:25	7:02
Average	6:30	5:54

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

Sunset Time

Period	St. Louis	Cincinnati
Jun 1	20:22	21:00
Jun 8	20:25	21:04
Jun 15	20:28	21:07
Jun 22	20:29	21:08
Jul 1	20:29	21:08
Jul 8	20:26	21:05
Jul 15	20:23	21:01
Jul 22	20:16	20:55
Aug 1	20:08	20:46
Aug 8	20:00	20:38
Aug 15	19:51	20:28
Aug 22	19:39	20:16
Average	20:54	20:12

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

Useful Day Length

Period	St. Louis	Cincinnati
Jun 1	13:22 hours	14:00 hours
Jun 8	13:25 hours	14:04 hours
Jun 15	13:28 hours	14:07 hours
Jun 22	13:29 hours	14:08 hours
Jul 1	13:29 hours	14:08 hours
Jul 8	13:26 hours	14:05 hours
Jul 15	13:23 hours	14:01 hours
Jul 22	13:16 hours	13:55 hours
Aug 1	13:08 hours	13:46 hours
Aug 8	13:00 hours	13:38 hours
Aug 15	12:51 hours	13:28 hours
Aug 22	12:39 hours	13:14 hours
Average	13:54 hours	13:12 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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Summer weather

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