Climate and monthly weather forecastSaint Louis, OK
Climate and monthly weather forecast
Weather in January
January, the same as December, in Saint Louis, Oklahoma, is a frosty winter month, with an average temperature varying between 49.3°F (9.6°C) and 33.4°F (0.8°C). January, with average temperatures reaching a high of 49.3°F (9.6°C) and a low of 33.4°F (0.8°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a fresh month in Saint Louis, Oklahoma, with an average temperature fluctuating between 52.3°F (11.3°C) and 36.3°F (2.4°C). Saint Louis's shift into February is marked by a subtle change to a cool 52.3°F (11.3°C) from January's 49.3°F (9.6°C) in temperature. Weather in February »Weather in March
March, the first month of the spring in Saint Louis, is a comfortable month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 62.6°F (17°C). The commencement of March sees a shift in the average high-temperature, moving from a fresh 52.3°F (11.3°C) in February to a refreshing 62.6°F (17°C). Weather in March »Weather in April
April is an agreeable spring month in Saint Louis, Oklahoma, with an average temperature ranging between max 70.3°F (21.3°C) and min 52°F (11.1°C). In Saint Louis, the average high-temperature in April slightly rises, from an enjoyable 62.6°F (17°C) in March, to an agreeable 70.3°F (21.3°C). Weather in April »Weather in May
May, the last month of the spring in Saint Louis, is a warm month, with an average temperature varying between 76.8°F (24.9°C) and 59.7°F (15.4°C). A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from an agreeable 70.3°F (21.3°C) in April to a warm 76.8°F (24.9°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Saint Louis, Oklahoma, with an average temperature ranging between min 69.4°F (20.8°C) and max 86.7°F (30.4°C). In Saint Louis, the average high-temperature in June increases from a moderately hot 76.8°F (24.9°C) in May to a tropical 86.7°F (30.4°C). Weather in June »Weather in July
July, like June, is a hot summer month in Saint Louis, Oklahoma, with an average temperature ranging between max 92.1°F (33.4°C) and min 72.7°F (22.6°C). Saint Louis's July weather indicates a minor increase in high-temperatures, edging from June's 86.7°F (30.4°C) to a still tropical 92.1°F (33.4°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Saint Louis, Oklahoma, with an average temperature ranging between min 71.2°F (21.8°C) and max 92.5°F (33.6°C). August is the month when Saint Louis sees the highest average temperatures, with a high of 92.5°F (33.6°C) and a low of 71.2°F (21.8°C). In August, the heat index is appraised at a blisteringly hot 107.6°F (42°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Saint Louis, Oklahoma, with an average temperature fluctuating between 64.9°F (18.3°C) and 84.4°F (29.1°C). The onset of September is marked by a minor decrease in temperature, transitioning from a tropical 92.5°F (33.6°C) in August to a warm 84.4°F (29.1°C). Weather in September »Weather in October
October, the same as September, in Saint Louis, Oklahoma, is an agreeable autumn month, with an average temperature ranging between min 54.1°F (12.3°C) and max 71.4°F (21.9°C). Observing a mild shift, the average high-temperature during October reduces from September's warm 84.4°F (29.1°C) to a pleasant 71.4°F (21.9°C). Weather in October »Weather in November
November, the last month of the autumn in Saint Louis, is another mild month, with an average temperature fluctuating between 43.7°F (6.5°C) and 60.3°F (15.7°C). Saint Louis in November experiences a subtle temperature decline, with average high-temperatures reducing from an agreeable 71.4°F (21.9°C) in October to a mild 60.3°F (15.7°C). Weather in November »Weather in December
December, the first month of the winter in Saint Louis, is still a chilly month, with an average temperature varying between 35.8°F (2.1°C) and 49.8°F (9.9°C). The beginning of December involves a decrease in the average high-temperature, transitioning from a moderate 60.3°F (15.7°C) in November to a frosty 49.8°F (9.9°C). Weather in December »Updated: Jun 4, 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
January, known for its average high temperature of 49.3°F (9.6°C) and an average low temperature of 33.4°F (0.8°C), is the coldest month.
Throughout the year, there are 111.2 rainfall days, and 17.13" (435mm) of precipitation is accumulated.
Months with snowfall are January through April, November and December.
Throughout the year, in Saint Louis, there are 4.3 snowfall days, and 1.5" (38mm) of snow is accumulated.
February is the month with the least rainfall. Rain falls for 6.7 days and accumulates 0.71" (18mm) of precipitation.
The month with the most snowfall is February, when snow falls for 1.8 days and typically aggregates up to 0.75" (19mm) 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.
May is the most humid month, with an average relative humidity of 79%.
The month with the most rainfall is May, when the rain falls for 12.4 days and typically aggregates up to 2.6" (66mm) of precipitation.
In Saint Louis, snow does not fall in May through October.
June has the longest days of the year, with an average of 14h and 30min of daylight.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
August is the warmest month, exhibiting average temperatures of 92.5°F (33.6°C) at the peak and 71.2°F (21.8°C) at the base.
The least humid month is August, with an average relative humidity of 63%.
The month with the most sunshine is August, with an average of 11.1h of sunshine.
With an average of 9h and 48min of daylight, December has the shortest days of the year.
With an average of 5.8h of sunshine, December has the least sunshine of the year.
The month with the lowest UV index is December, with an average maximum UV index of 2.
Average temperature
Saint Louis, OK
The warmest month (with the highest average high temperature) is August (92.5°F).
The month with the lowest average high temperature is January (49.3°F).
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure
Saint Louis, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.02"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 (29.89"Hg).
Average wind speed
Saint Louis, OK
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.7mph - Average wind speed in March:
11.1mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.5mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.2mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.6mph
The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity
Saint Louis, OK
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (63%).
Average rainfall
Saint Louis, OK
- Average rainfall in January:
0.83" - Average rainfall in February:
0.71" - Average rainfall in March:
1.18" - Average rainfall in April:
1.85" - Average rainfall in May:
2.6" - Average rainfall in June:
1.65"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.81" - Average rainfall in September:
1.65" - Average rainfall in October:
1.81" - Average rainfall in November:
0.75" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days
Saint Louis, OK
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
12.1 days - Average rainfall days in May:
12.4 days - Average rainfall days in June:
10.4 days
- Average rainfall days in July:
11 days - Average rainfall days in August:
10.7 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
9.1 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
6 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
Saint Louis, OK
The month with the highest snowfall is February (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Saint Louis, OK
- Average snowfall days in January:
0.7 days - Average snowfall days in February:
1.8 days - Average snowfall days in March:
0.4 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Saint Louis, OK
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
6h and 54min - Average sunshine in March:
7h and 0min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 6min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 36min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Saint Louis, OK
- Average sunshine days in January:
24 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
15.9 days - Average sunshine days in May:
15.9 days - Average sunshine days in June:
17.1 days
- Average sunshine days in July:
17.5 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
20.7 days - Average sunshine days in November:
22.1 days - Average sunshine days in December:
22.8 days
The month with the most sunshine days is January (24 days).
The months with the least sunshine days are April, May and September (15.9 days).
Average UV index
Saint Louis, OK
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Saint Louis, OK
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Saint Louis, OK
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).
