Spring weather

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

Temperatures

Maximum Temperatures

Period	St. Louis	Cincinnati
Mar 1	54.1°F	51.6°F
Mar 8	54.7°F	52.9°F
Mar 15	56.3°F	54.0°F
Mar 22	59.4°F	58.1°F
Apr 1	60.8°F	59.0°F
Apr 8	65.7°F	64.9°F
Apr 15	63.9°F	62.4°F
Apr 22	66.7°F	65.7°F
May 1	70.7°F	68.5°F
May 8	73.6°F	70.7°F
May 15	77.4°F	76.3°F
May 22	79.9°F	78.1°F
Average	63.5°F	65.3°F

Minimum Temperatures

Period	St. Louis	Cincinnati
Mar 1	37.0°F	34.5°F
Mar 8	38.5°F	35.8°F
Mar 15	38.3°F	35.6°F
Mar 22	43.7°F	40.8°F
Apr 1	42.6°F	41.0°F
Apr 8	47.3°F	46.2°F
Apr 15	45.9°F	44.2°F
Apr 22	50.0°F	47.5°F
May 1	54.0°F	51.8°F
May 8	56.3°F	51.4°F
May 15	61.3°F	59.2°F
May 22	62.4°F	60.1°F
Average	45.7°F	48.1°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
Mar 1	5.4 hours/day	4.4 hours/day
Mar 8	3.9 hours/day	3.3 hours/day
Mar 15	5.2 hours/day	4.2 hours/day
Mar 22	3.2 hours/day	2.9 hours/day
Apr 1	4.5 hours/day	2.8 hours/day
Apr 8	6.0 hours/day	4.8 hours/day
Apr 15	5.0 hours/day	4.7 hours/day
Apr 22	4.7 hours/day	4.5 hours/day
May 1	5.5 hours/day	3.8 hours/day
May 8	5.9 hours/day	5.1 hours/day
May 15	5.4 hours/day	4.8 hours/day
May 22	7.8 hours/day	5.8 hours/day
Average	4.3 hours/day	5.2 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
Mar 1	0.1in	0.1in
Mar 8	0.1in	0.1in
Mar 15	0.1in	0.2in
Mar 22	0.3in	0.3in
Apr 1	0.2in	0.2in
Apr 8	0.2in	0.2in
Apr 15	0.2in	0.2in
Apr 22	0.4in	0.2in
May 1	0.3in	0.2in
May 8	0.1in	0.2in
May 15	0.3in	0.3in
May 22	0.1in	0.2in
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
Mar 1	13.9mph	11.4mph
Mar 8	13.6mph	11.5mph
Mar 15	14.0mph	11.3mph
Mar 22	13.6mph	11.8mph
Apr 1	13.4mph	10.7mph
Apr 8	13.9mph	11.1mph
Apr 15	13.5mph	11.8mph
Apr 22	13.5mph	10.8mph
May 1	12.1mph	10.4mph
May 8	11.7mph	9.8mph
May 15	11.6mph	9.2mph
May 22	10.8mph	9.3mph
Average	10.8mph	13.0mph

Humidity

Period	St. Louis	Cincinnati
Mar 1	68.1%	71.0%
Mar 8	68.6%	68.9%
Mar 15	65.8%	68.9%
Mar 22	73.7%	75.4%
Apr 1	71.1%	74.5%
Apr 8	66.4%	71.3%
Apr 15	68.9%	72.3%
Apr 22	73.9%	75.0%
May 1	75.0%	78.2%
May 8	73.3%	74.7%
May 15	78.2%	79.8%
May 22	72.1%	77.1%
Average	73.9%	71.3%

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Astronomy

Sunrise Time

Period	St. Louis	Cincinnati
Mar 1	6:28	7:06
Mar 8	6:44	7:21
Mar 15	7:07	7:44
Mar 22	6:54	7:31
Apr 1	6:41	7:18
Apr 8	6:30	7:07
Apr 15	6:20	6:56
Apr 22	6:10	6:46
May 1	6:00	6:35
May 8	5:53	6:28
May 15	5:47	6:22
May 22	5:41	6:16
Average	7:00	6:24

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

Sunset Time

Period	St. Louis	Cincinnati
Mar 1	17:57	18:34
Mar 8	18:30	19:07
Mar 15	19:11	19:48
Mar 22	19:19	19:56
Apr 1	19:28	20:05
Apr 8	19:34	20:11
Apr 15	19:41	20:18
Apr 22	19:49	20:26
May 1	19:56	20:34
May 8	20:02	20:41
May 15	20:08	20:47
May 22	20:16	20:54
Average	20:06	19:30

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

Useful Day Length

Period	St. Louis	Cincinnati
Mar 1	10:57 hours	11:28 hours
Mar 8	11:30 hours	11:46 hours
Mar 15	12:04 hours	12:04 hours
Mar 22	12:19 hours	12:25 hours
Apr 1	12:28 hours	12:47 hours
Apr 8	12:34 hours	13:05 hours
Apr 15	12:41 hours	13:18 hours
Apr 22	12:49 hours	13:26 hours
May 1	12:56 hours	13:34 hours
May 8	13:02 hours	13:41 hours
May 15	13:08 hours	13:47 hours
May 22	13:16 hours	13:54 hours
Average	12:54 hours	12:30 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 St. Louis and Cincinnati

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Spring weather

Temperatures

Conditions

Astronomy

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