October weather forecast and climate
Maryland Heights, MO

October, the same as September, is another comfortable autumn month in Maryland Heights, Missouri, with average temperature varying between 66°F (18.9°C) and 49.5°F (9.7°C).

Temperature

In October, the average high-temperature decreases, from a moderately hot 79.7°F (26.5°C) in September, to an enjoyable 66°F (18.9°C). In Maryland Heights, the average low-temperature is 49.5°F (9.7°C).

Humidity

The least humid month in Maryland Heights is October, with an average relative humidity of 70%.

Rainfall

In Maryland Heights, during 10.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 141.9 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

Snowfall

In Maryland Heights snow does not fall in April through October.

Daylight

The average length of the day in Maryland Heights is 11.2h.

Sunshine

In October, the average sunshine in Maryland Heights is 6.2h.

UV index

In Maryland Heights, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Maryland Heights?

In October, in Maryland Heights, the average high-temperature is 66°F (18.9°C), and the average low-temperature is 49.5°F (9.7°C).

What is the least humid month in Maryland Heights?

October is the least humid month in Maryland Heights, with an average relative humidity of 70%.

What is the average humidity in October in Maryland Heights?

In Maryland Heights, Missouri, the average relative humidity in October is 70%.

How much does it rain in Maryland Heights in October?

In October, in Maryland Heights, Missouri, the rain falls for 10.3 days. Throughout October, 2.24" (57mm) of precipitation is accumulated.

Does it snow in Maryland Heights in October?

In Maryland Heights, Missouri, in October, it doesn't snow. In November, it regularly snows.

When it does not snow in Maryland Heights?

April through October are months without snowfall.

How many hours of daylight does Maryland Heights have in October?

In October, the average length of the day is 11.2h.

How long on average sun shines in October in Maryland Heights?

The average sunshine in October in Maryland Heights, Missouri, is 6.2h.

How high is the UV index in October in Maryland Heights?

The average daily maximum UV index in October in Maryland Heights is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in October - Maryland Heights, MO
  • Average high temperature in October: 18.9°C

The warmest month (with the highest average high temperature) is July (30.4°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in October: 9.7°C

The month with the highest average low temperature is July (20.5°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure in October - Maryland Heights, MO
  • Average pressure in October: 1017mbar

The month with the highest atmospheric pressure is January (1021.2mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

Average wind speed in October - Maryland Heights, MO
  • Average wind speed in October: 12.7km/h

The windiest month (with the highest average wind speed) is January (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (9km/h).

Average humidity in October - Maryland Heights, MO
  • Average humidity in October: 70%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).

Average rainfall in October - Maryland Heights, MO
  • Average rainfall in October: 57mm

The wettest month (with the highest rainfall) is May (84mm).
The driest month (with the least rainfall) is February (36mm).

Average rainfall days in October - Maryland Heights, MO
  • Average rainfall days in October: 10.3 days

The month with the highest number of rainy days is July (16.3 days).
Months with the least rainy days are February and December (7.3 days).

Average snowfall in October - Maryland Heights, MO
  • Average snowfall in October: 0mm

The month with the highest snowfall is February (52mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in October - Maryland Heights, MO
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (6.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October / Average sunshine in October - Maryland Heights, MO
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in October: 6.2h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 4.6h).

Average sunshine days in October - Maryland Heights, MO
  • Average sunshine days in October: 19.2 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 in October - Maryland Heights, MO
  • Average UV index in October: 3

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in October - Maryland Heights, MO
  • Average cloud cover in October: 32

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 in October - Maryland Heights, MO
  • Average visibility in October: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).