April weather forecastFlorissant, MO
April
Weather in April
Weather in April denotes a clear shift from winter to spring conditions. Noticeable change includes the absence of snowfall, making it the first month of the year without any snow. The weather becomes more favorable for outdoor activities, and Florissant brings out its spring charm with blooming flowers and trees. Also, the lengthening daylight hours enhance the pleasant ambiance of the season.Temperature
In Florissant, stepping into April brings a temperature increase, moving up from March's cool 54°F (12.2°C) to a comfortable 65.1°F (18.4°C). Florissant's April nights cool down to an average low-temperature of 47.8°F (8.8°C).Humidity
The average relative humidity in April in Florissant is 75%.Rainfall
In April, the rain falls for 15.2 days. Throughout April, 3.54" (90mm) of precipitation is accumulated. Throughout the year, in Florissant, Missouri, there are 149 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
In Florissant, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 14min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:25 pm. On the last day of April, sunrise is at 6:03 am and sunset at 7:53 pm CDT.
Sunshine
The average sunshine in April is 8.6h.UV index
The average daily maximum UV index in April in Florissant is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Florissant, MO
- Average high temperature in April: 65.1°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 April: 47.8°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 April
Florissant, MO
- Average pressure in April: 29.94"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 April
Florissant, MO
- Average wind speed in April: 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 April
Florissant, MO
- Average humidity in April: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Florissant, MO
- Average rainfall in April: 3.54"
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 April
Florissant, MO
- Average rainfall days in April: 15.2 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 April
Florissant, MO
- Average snowfall in April: 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 April
Florissant, MO
- Average snowfall days in April: 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 April /
Average sunshine in April
Florissant, MO
- Average daylight in April: 13h 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 April: 8h and 36min
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 April
Florissant, MO
- Average sunshine days in April: 13.5 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 April
Florissant, MO
- Average UV index in April: 4
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 April
Florissant, MO
- Average cloud cover in April: 41
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 April
Florissant, MO
- Average visibility in April: 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).
