October weather forecastFlorissant, MO
October
Weather in October
October sees a clear transition to fall in Florissant. The city enters the phase of comfortably cool temperatures. Higher wind speeds become commonplace as the transition happens. Lovely fall weather, coupled with the splendid color show of changing leaves, makes October a charm.Temperature
In October, the average high-temperature goes from a warm 79.5°F (26.4°C) in September to an enjoyable 65.7°F (18.7°C). An average low-temperature of 49.5°F (9.7°C) is observed during the October nights.Humidity
October is the least humid month in Florissant, with an average relative humidity of 70%.Rainfall
In Florissant, in October, it is raining for 10.6 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 149 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In October, the average length of the day in Florissant is 11h and 10min.On the first day of the month, sunrise is at 6:57 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:28 am and sunset at 6:01 pm CDT.
Sunshine
The average sunshine in October is 6.2h.UV index
In Florissant, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 3 in October transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Florissant, MO
- Average high temperature in October: 65.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in October: 49.5°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in October
Florissant, MO
- Average pressure in October: 30.03"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 in October
Florissant, MO
- Average wind speed in October: 7.9mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in October
Florissant, MO
- Average humidity in October: 70%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Florissant, MO
- Average rainfall in October: 2.48"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in October
Florissant, MO
- Average rainfall days in October: 10.6 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in October
Florissant, MO
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Florissant, MO
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Florissant, MO
- Average daylight in October: 11h and 12min
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 October: 6h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in October
Florissant, MO
- Average sunshine days in October: 19 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (11 days).
Average UV index in October
Florissant, MO
- Average UV index in October: 3
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 in October
Florissant, 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
Florissant, MO
- Average visibility in October: 6mi
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).
