Climate and monthly weather forecastFlat River, MO
Climate and monthly weather forecast
Weather in January
January, like December, in Flat River, Missouri, is an icy winter month, with an average temperature fluctuating between 25.2°F (-3.8°C) and 39.6°F (4.2°C). January is the month when Flat River sees the lowest average temperatures, with a high of 39.6°F (4.2°C) and a low of 25.2°F (-3.8°C). Weather in January »Weather in February
The last month of the winter, February, is a chilly month in Flat River, Missouri, with an average temperature fluctuating between 28.4°F (-2°C) and 43.7°F (6.5°C). With February's arrival, Flat River's weather records an average high-temperature of a frosty 43.7°F (6.5°C), marking little difference from January's 39.6°F (4.2°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Flat River, Missouri, with an average temperature varying between 55°F (12.8°C) and 37.9°F (3.3°C). The start of March brings a shift in the average high-temperature, increasing from February's chilly 43.7°F (6.5°C) to a fresh 55°F (12.8°C). Weather in March »Weather in April
April is an enjoyable spring month in Flat River, Missouri, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 65.7°F (18.7°C). In Flat River, the onset of April comes with an increased average high-temperature, moving from March's cool 55°F (12.8°C) to a refreshing 65.7°F (18.7°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Flat River, Missouri, with an average temperature fluctuating between 56.1°F (13.4°C) and 75.6°F (24.2°C). The shift into May brings an increase in the average high-temperature, moving from a refreshing 65.7°F (18.7°C) in April to a moderately hot 75.6°F (24.2°C). Weather in May »Weather in June
June, the first month of the summer in Flat River, is also a moderately hot month, with an average temperature varying between 85.6°F (29.8°C) and 64.9°F (18.3°C). As Flat River transitions into June, a rise in the average high-temperature is observed, moving from a moderately hot 75.6°F (24.2°C) in May to a still warm 85.6°F (29.8°C). Weather in June »Weather in July
July in Flat River, Missouri, is a tropical summer month, with an average temperature varying between 67.5°F (19.7°C) and 88.2°F (31.2°C). With an average high-temperature of 88.2°F (31.2°C) and an average low-temperature of 67.5°F (19.7°C), July is the warmest month. In July, the average heat index is evaluated at a blistering 104°F (40°C). Weather in July »Weather in August
August, the last month of the summer in Flat River, is another hot month, with an average temperature varying between 86.7°F (30.4°C) and 65.7°F (18.7°C). Flat River registers an average high-temperature of a still tropical 86.7°F (30.4°C) with the arrival of August, showing minor deviation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Flat River, is still a warm month, with an average temperature varying between 80.1°F (26.7°C) and 59.2°F (15.1°C). September marks a gentle change in average high-temperature, declining from August's tropical 86.7°F (30.4°C) to a warm 80.1°F (26.7°C). Weather in September »Weather in October
October, like September, in Flat River, Missouri, is another comfortable autumn month, with an average temperature varying between 48°F (8.9°C) and 67.1°F (19.5°C). The onset of October coincides with a reduction in the average high-temperature, falling from a warm 80.1°F (26.7°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Flat River, Missouri, with an average temperature ranging between max 53.4°F (11.9°C) and min 37.4°F (3°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a cool 53.4°F (11.9°C) from a comfortable 67.1°F (19.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Flat River, Missouri, with an average temperature ranging between max 43.5°F (6.4°C) and min 30.4°F (-0.9°C). Flat River, Missouri, in December demonstrates a small temperature transition, adjusting from an average high of a fresh 53.4°F (11.9°C) in November to a frosty 43.5°F (6.4°C). Weather in December »Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Flat River, the average lowest temperatures are observed in January, with a high of 39.6°F (4.2°C) and a low of 25.2°F (-3.8°C).
In Flat River, during the entire year, the rain falls for 150.7 days and collects up to 32.13" (816mm) of precipitation.
January through March, November and December are months with snowfall in Flat River, Missouri.
Throughout the year, in Flat River, Missouri, there are 22.7 snowfall days, and 9.37" (238mm) of snow is accumulated.
January and February, with an average of 4.7h of sunshine, are months with the least sunshine in Flat River, Missouri.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Flat River.
The month with the most snowfall in Flat River, Missouri, is February, when snow falls for 6.5 days and typically aggregates up to 2.72" (69mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
In Flat River, snow does not fall in April through October.
May is the most humid month, with an average relative humidity of 79%.
The month with the most rainfall in Flat River is May, when the rain falls for 16.6 days and typically aggregates up to 3.7" (94mm) of precipitation.
The months with the highest UV index in Flat River, Missouri, are May through August, with an average maximum UV index of 6.
June has the longest days of the year in Flat River, Missouri, with an average of 14h and 42min of daylight.
The month with the most sunshine is June, with an average of 10.5h of sunshine.
July is the warmest month in Flat River, Missouri, exhibiting average temperatures of 88.2°F (31.2°C) at the peak and 67.5°F (19.7°C) at the base.
The month with the least rainfall in Flat River is September, when the rain falls for 13.4 days and typically collects 1.89" (48mm) of precipitation.
The least humid month is October, with an average relative humidity of 73%.
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Flat River, MO
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (39.6°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Flat River, 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:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"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 (29.93"Hg).
Average wind speed
Flat River, MO
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.7mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.4mph - Average wind speed in May:
7mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.5mph - Average wind speed in October:
7.1mph - Average wind speed in November:
8mph - Average wind speed in December:
8.2mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Flat River, MO
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Flat River, MO
- Average rainfall in January:
2.24" - Average rainfall in February:
1.93" - Average rainfall in March:
2.8" - Average rainfall in April:
3.5" - Average rainfall in May:
3.7" - Average rainfall in June:
2.95"
- Average rainfall in July:
3.15" - Average rainfall in August:
3.11" - Average rainfall in September:
1.89" - Average rainfall in October:
2.56" - Average rainfall in November:
1.93" - Average rainfall in December:
2.36"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Flat River, MO
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is December (7.7 days).
Average snowfall
Flat River, MO
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Flat River, MO
- Average snowfall days in January:
7 days - Average snowfall days in February:
6.5 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.4 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:
1.6 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Flat River, MO
- Average daylight in January:
9h and 54min - 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 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 30min - 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 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 42min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days
Flat River, MO
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.4 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
19 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Flat River, 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, November and December (UV index 2).
Average cloud cover
Flat River, MO
The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility
Flat River, MO
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
