Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As March transitions into April, a change in temperatures is observed, with average highs moving from a cool 54.9°F (12.7°C) to a refreshing 65.8°F (18.8°C). April in Herculaneum is noted for a mean low-temperature of 47.7°F (8.7°C).Humidity
In April, the average relative humidity in Herculaneum is 76%.Rainfall
In Herculaneum, Missouri, in April, it is raining for 15.3 days, with typically 3.82" (97mm) of accumulated precipitation. In Herculaneum, during the entire year, the rain falls for 155 days and collects up to 34.92" (887mm) of precipitation.Snowfall
In Herculaneum, snow does not fall in April through October.Daylight
In Herculaneum, the average length of the day in April is 13h and 13min.On the first day of April in Herculaneum, sunrise is at 6:45 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:52 pm CDT.
Sunshine
In Herculaneum, the average sunshine in April is 8.6h.UV index
In Herculaneum, Missouri, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: An average UV index of 4 in April transforms into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What are April temperatures in Herculaneum?
What is the average humidity in April in Herculaneum?
How many days does it rain in April in Herculaneum?
When it does not snow in Herculaneum?
Does it snow in Herculaneum in April?
What is the average length of the day in April in Herculaneum?
What time are sunrise and sunset in April in Herculaneum?
How many hours of sunshine does Herculaneum have in April?
What is the UV index intensity in April in Herculaneum?
Average temperature in April
Herculaneum, MO
- Average high temperature in April: 65.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in April: 47.7°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in April
Herculaneum, 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
Herculaneum, MO
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Herculaneum, MO
- Average humidity in April: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Herculaneum, MO
- Average rainfall in April: 3.82"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in April
Herculaneum, MO
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in April
Herculaneum, MO
- Average snowfall in April: 0"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Herculaneum, MO
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Herculaneum, MO
- Average daylight in April: 13h and 1min
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 36min).
- Average sunshine in April: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in April
Herculaneum, MO
- Average sunshine days in April: 13.4 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in April
Herculaneum, 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
Herculaneum, MO
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in April
Herculaneum, 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).
Herculaneum, Missouri, USA
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