Climate and monthly weather forecastCool Valley, MO
Climate and monthly weather forecast
Weather in January
January, like December, in Cool Valley, Missouri, is an icy winter month, with an average temperature ranging between min 24.3°F (-4.3°C) and max 37.2°F (2.9°C). In Cool Valley, the month of January is known for its lowest average temperatures, reaching a high of 37.2°F (2.9°C) and a low of 24.3°F (-4.3°C). Weather in January »Weather in February
February, the last month of the winter in Cool Valley, is another cold month, with an average temperature ranging between min 27.5°F (-2.5°C) and max 42.1°F (5.6°C). February's presence records an average high-temperature of a still icy 42.1°F (5.6°C), closely mirroring January's climate. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Cool Valley, Missouri, with an average temperature varying between 37.9°F (3.3°C) and 54.1°F (12.3°C). In Cool Valley, stepping into March brings a temperature increase, moving up from February's cold 42.1°F (5.6°C) to a cool 54.1°F (12.3°C). Weather in March »Weather in April
April is a comfortable spring month in Cool Valley, Missouri, with an average temperature fluctuating between 48°F (8.9°C) and 65.3°F (18.5°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's fresh 54.1°F (12.3°C) to a refreshing 65.3°F (18.5°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Cool Valley, Missouri, with an average temperature ranging between max 74.8°F (23.8°C) and min 57.6°F (14.2°C). With the onset of May, Cool Valley's weather sees a temperature rise, transitioning from a comfortable 65.3°F (18.5°C) in April to a warm 74.8°F (23.8°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Cool Valley, Missouri, with an average temperature varying between 84.2°F (29°C) and 66.7°F (19.3°C). The arrival of June signals an increase in the average high-temperature, moving from 74.8°F (23.8°C) in May to a still warm 84.2°F (29°C). Weather in June »Weather in July
July is a hot summer month in Cool Valley, Missouri, with an average temperature fluctuating between 86.7°F (30.4°C) and 68.9°F (20.5°C). July registers as the month with the highest average temperatures, reaching 86.7°F (30.4°C) at its peak and 68.9°F (20.5°C) at the lowest. The heat index value during July is evaluated at a fiery hot 100.4°F (38°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Cool Valley, Missouri, with an average temperature varying between 67.1°F (19.5°C) and 85.5°F (29.7°C). The introduction of August sees an average high-temperature of a moderately hot 85.5°F (29.7°C), hardly deviating from July. Weather in August »Weather in September
September, the first month of the autumn in Cool Valley, is still a warm month, with an average temperature ranging between min 60.1°F (15.6°C) and max 79.7°F (26.5°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 85.5°F (29.7°C) in August to a still moderately hot 79.7°F (26.5°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Cool Valley, Missouri, with an average temperature varying between 66°F (18.9°C) and 49.5°F (9.7°C). The beginning of October involves a decrease in the average high-temperature, transitioning from a moderately hot 79.7°F (26.5°C) in September to a refreshing 66°F (18.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Cool Valley, Missouri, with an average temperature varying between 37.9°F (3.3°C) and 53.2°F (11.8°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a comfortable 66°F (18.9°C) in October to a fresh 53.2°F (11.8°C). Weather in November »Weather in December
December, the first month of the winter in Cool Valley, is still a cold month, with an average temperature varying between 30°F (-1.1°C) and 42.1°F (5.6°C). Cool Valley's weather changes with the onset of December, slightly falling from a fresh 53.2°F (11.8°C) in November to an icy 42.1°F (5.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Cool Valley, MO
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Cool Valley, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Cool Valley, MO
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.1mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity
Cool Valley, MO
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Cool Valley, MO
- Average rainfall in January:
1.61" - Average rainfall in February:
1.42" - Average rainfall in March:
1.97" - Average rainfall in April:
3.19" - Average rainfall in May:
3.31" - Average rainfall in June:
3.03"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.95" - Average rainfall in September:
1.73" - Average rainfall in October:
2.24" - Average rainfall in November:
1.61" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days
Cool Valley, MO
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and December (7.3 days).
Average snowfall
Cool Valley, MO
The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Cool Valley, MO
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
6.2 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4.4 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Cool Valley, MO
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 36min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 36min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Cool Valley, MO
- Average sunshine days in January:
18.7 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
18.2 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).
Average UV index
Cool Valley, MO
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Cool Valley, MO
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Cool Valley, MO
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





