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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Greendale, Missouri, is an icy winter month, with an average temperature varying between 24.3°F (-4.3°C) and 37.8°F (3.2°C). January, with average temperatures reaching a high of 37.8°F (3.2°C) and a low of 24.3°F (-4.3°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Greendale, Missouri, with an average temperature ranging between min 27.9°F (-2.3°C) and max 42.3°F (5.7°C). Greendale's average high-temperature in February is a still wintry 42.3°F (5.7°C), indicating a subtle variation from January. Weather in February »
Weather in March
March, the first month of the spring in Greendale, is a cool month, with an average temperature fluctuating between 54.3°F (12.4°C) and 38.1°F (3.4°C). Greendale in March shows a temperature shift, moving from an average high of a cold 42.3°F (5.7°C) in February to a fresh 54.3°F (12.4°C). Weather in March »
Weather in April
April in Greendale, Missouri, is a comfortable spring month, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 48°F (8.9°C). An increase in the average high-temperature marks April, moving from March's cool 54.3°F (12.4°C) to a refreshing 65.5°F (18.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Greendale, Missouri, with an average temperature ranging between max 74.8°F (23.8°C) and min 57.7°F (14.3°C). The shift into May is marked by a rise in the average high-temperature, moving from April's refreshing 65.5°F (18.6°C) to a warm 74.8°F (23.8°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Greendale, Missouri, with an average temperature fluctuating between 67.1°F (19.5°C) and 84.2°F (29°C). As Greendale transitions into June, a rise in the average high-temperature is observed, moving from a moderately hot 74.8°F (23.8°C) in May to a still warm 84.2°F (29°C). Weather in June »
Weather in July
July in Greendale, Missouri, is a tropical summer month, with an average temperature ranging between max 86.9°F (30.5°C) and min 69.1°F (20.6°C). Greendale experiences its highest average temperatures in July, reaching a peak of 86.9°F (30.5°C) and a minimum of 69.1°F (20.6°C). The heat index value for July is estimated 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 Greendale, Missouri, with an average temperature fluctuating between 85.5°F (29.7°C) and 67.1°F (19.5°C). August's presence marks an average high-temperature of a warm 85.5°F (29.7°C), subtly varied from July's 86.9°F (30.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Greendale, Missouri, with an average temperature ranging between max 79.7°F (26.5°C) and min 60.1°F (15.6°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from 85.5°F (29.7°C) in August to a still warm 79.7°F (26.5°C). Weather in September »
Weather in October
October, like September, in Greendale, Missouri, is another comfortable autumn month, with temperature in the range of an average low of 49.5°F (9.7°C) and an average high of 66.4°F (19.1°C). The transition into October involves a decrease in the average high-temperature, falling from a moderately hot 79.7°F (26.5°C) in September to an enjoyable 66.4°F (19.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Greendale, Missouri, with an average temperature fluctuating between 38.1°F (3.4°C) and 53.4°F (11.9°C). The arrival of November corresponds with a temperature reduction, down from October's comfortable 66.4°F (19.1°C) to a fresh 53.4°F (11.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Greendale, Missouri, with an average temperature varying between 30.6°F (-0.8°C) and 42.6°F (5.9°C). Greendale experiences a temperature shift at the start of December, with average high-temperatures adjusting from a fresh 53.4°F (11.9°C) in November to a cold 42.6°F (5.9°C). Weather in December »
Updated: Aug 30, 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
What time of the year is the coldest?
January is the coldest month, exhibiting average temperatures of 37.8°F (3.2°C) at the peak and 24.3°F (-4.3°C) at the base.
How many days does it rain?
In Greendale, during the entire year, the rain falls for 144.8 days and collects up to 30.59" (777mm) of precipitation.
When does it snow in Greendale?
Months with snowfall are January through March, November and December.
How many days does it snow?
Throughout the year, there are 16.2 snowfall days, and 8.19" (208mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.6h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month?
February is the month with the least rainfall. Rain falls for 7.6 days and accumulates 1.69" (43mm) of precipitation.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 5.2 days and accumulates 2.6" (66mm) of snow.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
In Greendale, Missouri, snow does not fall in April through October.
What is the most humid month?
May is the most humid month, with an average relative humidity of 78%.
What is the wettest month?
The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 3.58" (91mm) of precipitation.
When is the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
June has the longest days of the year, with an average of 14h and 48min of daylight.
What is the month with the most sunshine?
The months with the most sunshine in Greendale are June and July, with an average of 10.5h of sunshine.
What is the warmest month?
The warmest time of the year is July, with temperatures averaging a high of 86.9°F (30.5°C) and a low of 69.1°F (20.6°C).
What is the least humid month?
The least humid month is October, with an average relative humidity of 70%.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Greendale, MO
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Greendale, 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:
29.98"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
Greendale, MO
- Average wind speed in January:
9.2mph - 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:
7.2mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.4mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Greendale, MO
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Greendale, MO
- Average rainfall in January:
1.73" - Average rainfall in February:
1.69" - Average rainfall in March:
2.36" - Average rainfall in April:
3.31" - Average rainfall in May:
3.58" - Average rainfall in June:
3.5"
- Average rainfall in July:
3.19" - Average rainfall in August:
3.31" - Average rainfall in September:
1.97" - Average rainfall in October:
2.17" - Average rainfall in November:
1.73" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days
Greendale, MO
- Average rainfall days in January:
6.5 days - Average rainfall days in February:
7.6 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
12 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).
Average snowfall
Greendale, MO
The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Greendale, MO
- Average snowfall days in January:
4.7 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
1.9 days - Average snowfall days in April:
0.1 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:
0.1 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
3.1 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Greendale, MO
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
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 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 4min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Greendale, MO
- Average sunshine days in January:
21 days - Average sunshine days in February:
16.4 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
20 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).
Average UV index
Greendale, 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
Greendale, 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
Greendale, 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).