April weather forecast and climate
Riverside, OH

April is a moderate spring month in Riverside, Ohio, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 60.6°F (15.9°C).

Temperature

In April, the average high-temperature rises, from a frosty 48.7°F (9.3°C) in March, to a moderate 60.6°F (15.9°C). In April, the average low-temperature is 43.5°F (6.4°C).

Humidity

In Riverside, the average relative humidity is 76%.

Rainfall

In Riverside, in April, it is raining for 15.6 days, with typically 2.28" (58mm) of accumulated precipitation. In Riverside, Ohio, during the entire year, the rain falls for 146.7 days and collects up to 21.81" (554mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.8 snowfall days, Riverside aggregates 0.08" (2mm) of snow. In Riverside, during the entire year, snow falls for 27.3 days, and aggregates up to 7.13" (181mm) of snow.

Daylight

In April, the average length of the day is 13.3h.

Sunshine

The average sunshine in Riverside is 7.5h.

UV index

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 in April transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in April in Riverside?

The average high-temperature, in April, is 60.6°F (15.9°C), while the average low-temperature is 43.5°F (6.4°C).

What is the average humidity in April in Riverside?

In April, the average relative humidity is 76%.

How much does it rain in Riverside in April?

In Riverside, in April, during 15.6 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

What is the last month it snows in Riverside?

April is the last month it regularly snows. During 0.8 snowfall days, in April, Riverside aggregates 0.08" (2mm) of snow.

What is the average length of the day in April in Riverside?

In Riverside, the average length of the day in April is 13.3h.

How many hours of sunshine does Riverside have in April?

In April, the average sunshine in Riverside is 7.5h.

What is the UV index intensity in April in Riverside?

In April, the average daily maximum UV index in Riverside is 4. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in April - Riverside, OH
  • Average high temperature in April: 60.6°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in April: 43.5°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

Average pressure in April - Riverside, OH
  • Average pressure in April: 29.96"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in April - Riverside, OH
  • Average wind speed in April: 9.7mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in April - Riverside, OH
  • Average humidity in April: 76%

The month with the highest relative humidity is January (83%).
Months with the lowest relative humidity are October and November (75%).

Average rainfall in April - Riverside, OH
  • Average rainfall in April: 2.28"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (1.3").

Average rainfall days in April - Riverside, OH
  • Average rainfall days in April: 15.6 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in April - Riverside, OH
  • Average snowfall in April: 0.08"

The month with the highest snowfall is March (1.85").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April - Riverside, OH
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is January (8.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April / Average sunshine in April - Riverside, OH
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in April: 7.5h

The month with the most sunshine is June (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.6h).

Average sunshine days in April - Riverside, OH
  • Average sunshine days in April: 12.7 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (9.5 days).

Average UV index in April - Riverside, OH
  • Average UV index in April: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in April - Riverside, OH
  • Average cloud cover in April: 45

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in April - Riverside, OH
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).