May weather forecast and climate
Riverside, OH

The last month of the spring, May, is a pleasant month in Riverside, Ohio, with average temperature ranging between min 54.7°F (12.6°C) and max 71.2°F (21.8°C).

Temperature

In Riverside, the average high-temperature rises, from a moderate 60.6°F (15.9°C) in April, to a pleasant 71.2°F (21.8°C). In May, the average low-temperature is 54.7°F (12.6°C).

Humidity

In Riverside, the average relative humidity is 79%.

Rainfall

The month with the most rainfall is May when the rain falls for 18.4 days and typically aggregates up to 3.07" (78mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in Riverside is 14.4h.

Sunshine

In Riverside, Ohio, the average sunshine in May is 9h.

UV index

The average daily maximum UV index in Riverside is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Riverside?

The average high-temperature, in May, in Riverside, is 71.2°F (21.8°C), while the average low-temperature is 54.7°F (12.6°C).

What is the average humidity in May in Riverside?

In Riverside, the average relative humidity in May is 79%.

How many days does it rain in May in Riverside?

In Riverside, Ohio, in May, it is raining for 18.4 days, with typically 3.07" (78mm) of accumulated precipitation.

What is the rainiest month in Riverside?

The month with the most rainfall in Riverside is May when the rain falls for 18.4 days and typically aggregates up to 3.07" (78mm) of precipitation.

Does it snow in Riverside in May?

In May, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Riverside?

In Riverside, Ohio, snow does not fall in May through September.

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

In May, the average length of the day in Riverside, Ohio, is 14.4h.

How many hours of sunshine does Riverside have in May?

In Riverside, the average sunshine in May is 9h.

How high is the UV index in May in Riverside?

The average daily maximum UV index in May in Riverside is 5. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in May - Riverside, OH
  • Average high temperature in May: 71.2°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 May: 54.7°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 May - Riverside, OH
  • Average pressure in May: 29.98"

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 May - Riverside, OH
  • Average wind speed in May: 7.8mph

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 May - Riverside, OH
  • Average humidity in May: 79%

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

Average rainfall in May - Riverside, OH
  • Average rainfall in May: 3.07"

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 May - Riverside, OH
  • Average rainfall days in May: 18.4 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 May - Riverside, OH
  • Average snowfall in May: 0"

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 May - Riverside, OH
  • Average snowfall days in May: 0.2 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 May / Average sunshine in May - Riverside, OH
  • Average daylight in May: 14.4h

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 May: 9h

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 May - Riverside, OH
  • Average sunshine days in May: 9.5 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 May - Riverside, OH
  • Average UV index in May: 5

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 May - Riverside, OH
  • Average cloud cover in May: 40

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 May - Riverside, OH
  • Average visibility in May: 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).