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 April sets, the average high-temperature shows an increase, moving up from a refreshing 56.3°F (13.5°C) in March to an enjoyable 65.5°F (18.6°C). During April, an average low-temperature of 47.1°F (8.4°C) is observed.Humidity
In Rockville, the average relative humidity in April is 75%.Rainfall
In April, the rain falls for 14.2 days. Throughout April, 2.91" (74mm) of precipitation is accumulated. In Rockville, during the entire year, the rain falls for 130.6 days and collects up to 25.43" (646mm) of precipitation.Snowfall
In Rockville, snow does not fall in April, June through September.Daylight
In Rockville, the average length of the day in April is 13h and 13min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:39 pm. On the last day of April, sunrise is at 6:20 am and sunset at 8:06 pm CDT.
Sunshine
The average sunshine in April is 8.4h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in April interprets into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
Does it snow in April?
How many hours of daylight does Rockville have in April?
What time are sunrise and sunset in April in Rockville?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Rockville, MO
- Average high temperature in April: 65.5°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in April: 47.1°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in April
Rockville, MO
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Rockville, MO
- Average wind speed in April: 10.2mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
Rockville, MO
- Average humidity in April: 75%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Rockville, MO
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in April
Rockville, MO
- Average rainfall days in April: 14.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5 days).
Average snowfall in April
Rockville, MO
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in April
Rockville, MO
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Rockville, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in April
Rockville, MO
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in April
Rockville, MO
- Average UV index in April: 4
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Rockville, MO
- Average cloud cover in April: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in April
Rockville, 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).
Rockville, Missouri, USA
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