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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
Weather in January
January, like December, in Saint Thomas, Missouri, is another cold winter month, with an average temperature ranging between max 38.5°F (3.6°C) and min 24.3°F (-4.3°C). Saint Thomas experiences its lowest temperatures in January, with an average peak of 38.5°F (3.6°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 Saint Thomas, is a chilly month, with an average temperature fluctuating between 27°F (-2.8°C) and 43°F (6.1°C). The advent of February sees the average high-temperature at a chilly 43°F (6.1°C), subtly shifted from January's 38.5°F (3.6°C). Weather in February »
Weather in March
March, the first month of the spring in Saint Thomas, is a fresh month, with an average temperature fluctuating between 55.2°F (12.9°C) and 37.4°F (3°C). March marks a rise in the average high-temperature, moving from February's chilly 43°F (6.1°C) to a fresh 55.2°F (12.9°C). Weather in March »
Weather in April
April in Saint Thomas, Missouri, is a refreshing spring month, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 46.2°F (7.9°C). The start of April brings a rise in the average high-temperature, moving from a cool 55.2°F (12.9°C) in March to a comfortable 66°F (18.9°C). Weather in April »
Weather in May
May, the last month of the spring in Saint Thomas, is a moderately hot month, with an average temperature ranging between min 55.8°F (13.2°C) and max 75.7°F (24.3°C). The shift from April to May is marked by an increase in the average high-temperature, moving from an enjoyable 66°F (18.9°C) to a moderately hot 75.7°F (24.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Saint Thomas, Missouri, with temperature in the range of an average high of 86.4°F (30.2°C) and an average low of 65.5°F (18.6°C). June's onset brings a rise in the average high-temperature, moving from a moderately hot 75.7°F (24.3°C) in May to a hot 86.4°F (30.2°C). Weather in June »
Weather in July
July, like June, is another hot summer month in Saint Thomas, Missouri, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 67.8°F (19.9°C). July is the month when Saint Thomas experiences its warmest temperatures, averaging a high of 89.2°F (31.8°C) and a low of 67.8°F (19.9°C). The heat index value for July is evaluated at a blistering 105.8°F (41°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Saint Thomas, Missouri, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 87.4°F (30.8°C). With the arrival of August, Saint Thomas's average high-temperature registers at a still hot 87.4°F (30.8°C), indicating a subtle variation from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Saint Thomas, Missouri, with an average temperature ranging between max 80.1°F (26.7°C) and min 59.2°F (15.1°C). In Saint Thomas, the average high-temperature in September slightly decreases from a hot 87.4°F (30.8°C) in August to a moderately hot 80.1°F (26.7°C). Weather in September »
Weather in October
October, like September, in Saint Thomas, Missouri, is another refreshing autumn month, with an average temperature varying between 47.7°F (8.7°C) and 66.2°F (19°C). As October arrives, Saint Thomas's weather displays a decrease in high-temperatures, transitioning from September's moderately hot 80.1°F (26.7°C) to a comfortable 66.2°F (19°C). Weather in October »
Weather in November
November, the last month of the autumn in Saint Thomas, is another cool month, with an average temperature fluctuating between 37°F (2.8°C) and 53.8°F (12.1°C). The average high-temperature drops in November, from October's refreshing 66.2°F (19°C) to a fresh 53.8°F (12.1°C). Weather in November »
Weather in December
December, the first month of the winter in Saint Thomas, is still a chilly month, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 29.1°F (-1.6°C). The arrival of December corresponds with a temperature reduction, down from November's fresh 53.8°F (12.1°C) to a chilly 42.8°F (6°C). Weather in December »
Updated: Aug 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
What part of the year is the coldest?
With an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 24.3°F (-4.3°C), January is the coldest month.
How many days does it rain?
In Saint Thomas, during the entire year, the rain falls for 93.7 days and collects up to 9.29" (236mm) of precipitation.
When does it snow?
January through March, November and December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 5.2 days and typically aggregates up to 0.71" (18mm) of snow.
How many days does it snow?
In Saint Thomas, during the entire year, snow falls for 14.9 days and aggregates up to 2.13" (54mm) of snow.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.8h of sunshine.
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?
April through October are months without snowfall.
What is the most humid month?
With an average relative humidity of 77%, May is the most humid month.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 11.3 days and accumulates 1.3" (33mm) of precipitation.
When are the longest days?
June has the longest days of the year in Saint Thomas, with an average of 14h and 48min of daylight.
What month has the most sunshine?
With an average of 10.6h of sunshine, June has the most sunshine of the year.
What is the month with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What are the warmest months in Saint Thomas?
The warmest month is July, with an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 67.8°F (19.9°C).
What is the least humid month?
With an average relative humidity of 72%, October is the least humid month.
What is the driest month?
November is the month with the least rainfall. Rain falls for 6.4 days and accumulates 0.47" (12mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Saint Thomas, MO
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Saint Thomas, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"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:
30.11"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
Saint Thomas, MO
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.7mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.5mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Saint Thomas, MO
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Saint Thomas, MO
- Average rainfall in January:
0.51" - Average rainfall in February:
0.51" - Average rainfall in March:
0.63" - Average rainfall in April:
1.06" - Average rainfall in May:
1.3" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.87" - Average rainfall in August:
0.87" - Average rainfall in September:
0.55" - Average rainfall in October:
0.75" - Average rainfall in November:
0.47" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days
Saint Thomas, MO
- Average rainfall days in January:
4 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
9.2 days - Average rainfall days in April:
11 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
10.4 days
- Average rainfall days in July:
9.6 days - Average rainfall days in August:
8.6 days - Average rainfall days in September:
7 days - Average rainfall days in October:
6.8 days - Average rainfall days in November:
6.4 days - Average rainfall days in December:
4.6 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).
Average snowfall
Saint Thomas, MO
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Saint Thomas, MO
- Average snowfall days in January:
5.2 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
1.2 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 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
2.8 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Saint Thomas, 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 3min - 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 5min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 3min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Saint Thomas, MO
- Average sunshine days in January:
24.3 days - Average sunshine days in February:
19.3 days - Average sunshine days in March:
20.5 days - Average sunshine days in April:
18.3 days - Average sunshine days in May:
16.7 days - Average sunshine days in June:
17.6 days
- Average sunshine days in July:
17.7 days - Average sunshine days in August:
19.8 days - Average sunshine days in September:
20.7 days - Average sunshine days in October:
22.4 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).
Average UV index
Saint Thomas, MO
The months with the highest UV index are 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
Saint Thomas, MO
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility
Saint Thomas, 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).
Saint Thomas, Missouri, USA
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