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
April's arrival coincides with a rise in the average high-temperature, moving from March's cool 50.5°F (10.3°C) to a refreshing 62.2°F (16.8°C). April's nights observe an average temperature of 48.2°F (9°C).Humidity
The months with the lowest humidity in Riva are January, March, April and November, with an average relative humidity of 72%.Rainfall
In Riva, during April, the rain falls for 11.3 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.Snowfall
In Riva, snow does not fall in April through October.Daylight
In April, the average length of the day in Riva is 13h and 15min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:30 pm. On the last day of April, in Riva, sunrise is at 6:08 am and sunset at 7:58 pm EDT.
Sunshine
In Riva, the average sunshine in April is 8.8h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, an average UV index of 4 transforms into the following instructions:
Take precautions - Protection against sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the average April temperature in Riva?
What is the least humid month in Riva?
What is the average humidity in April in Riva?
How much does it rain in Riva in April?
When it does not snow in Riva?
Does it snow in Riva in April?
How many hours of daylight does Riva have in April?
When are sunrise and sunset in April in Riva?
How long on average sun shines in April in Riva?
What is the UV index intensity in April in Riva?
Average temperature in April
Riva, MD
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in April: 48.2°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in April
Riva, MD
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Riva, MD
- Average wind speed in April: 9.7mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in April
Riva, MD
- Average humidity in April: 72%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in April
Riva, MD
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
Riva, MD
- Average rainfall days in April: 11.3 days
The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).
Average snowfall in April
Riva, MD
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Riva, MD
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Riva, MD
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in April
Riva, MD
- Average sunshine days in April: 17 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).
Average UV index in April
Riva, MD
- 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 and December (UV index 2).
Average cloud cover in April
Riva, MD
- Average cloud cover in April: 40
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in April
Riva, MD
- 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).
Riva, Maryland, USA
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