May weather forecast
Riverside, MO

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Weather in May

The last month of the spring, May, is a pleasant month in Riverside, Missouri, with an average temperature ranging between max 72.5°F (22.5°C) and min 55.9°F (13.3°C).

Temperature

In Riverside, the average high-temperature in May slightly increases from an enjoyable 64°F (17.8°C) in April to a pleasant 72.5°F (22.5°C). Riverside experiences an average low-temperature of 55.9°F (13.3°C) in month of May.

Humidity

With an average relative humidity of 79%, May is the most humid month.

Rainfall

May is the month with the most rainfall in Riverside, Missouri. Rain falls for 17.2 days and accumulates 3.19" (81mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Riverside. May is the last month it regularly snows in Riverside. During 0.1 snowfall days, in May, Riverside aggregates 0.08" (2mm) of snow. Throughout the year, there are 17.2 snowfall days, and 5.51" (140mm) of snow is accumulated.

Daylight

In May, the average length of the day in Riverside is 14h and 20min.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:54 am and sunset at 8:38 pm CDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What are May temperatures in Riverside?

The high-temperature in Riverside, Missouri, during May is 72.5°F (22.5°C) and the low-temperature is 55.9°F (13.3°C).

What is the most humid month in Riverside?

With an average relative humidity of 79%, May is the most humid month in Riverside, Missouri.

What is the average humidity in May in Riverside?

In May, the average relative humidity is 79%.

What is the rainiest month in Riverside?

The month with the most rainfall in Riverside is May, when the rain falls for 17.2 days and typically aggregates up to 3.19" (81mm) of precipitation.

How much does it rain in Riverside in May?

In Riverside, Missouri, in May, during 17.2 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

What is the last month it snows in Riverside?

May is the last month it regularly snows in Riverside. During 0.1 snowfall days, in May, Riverside aggregates 0.08" (2mm) of snow.

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

In May, the average day length is 14h and 20min.

When is the sunrise / sunset in May in Riverside?

On the first day of May in Riverside, sunrise is at 6:18 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:38 pm CDT.

How many hours of sunshine does Riverside have in May?

In May, the average sunshine duration in Riverside, Missouri, is 8.7h.

What is the UV index intensity in May in Riverside?

In May, the average daily maximum UV index in Riverside, Missouri, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Riverside, MO

Average temperature in May - Riverside, MO
  • Average high temperature in May: 72.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in May: 55.9°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in May
Riverside, MO

Average pressure in May - Riverside, MO
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in May
Riverside, MO

Average wind speed in May - Riverside, MO
  • Average wind speed in May: 8.1mph

The windiest months (with the highest average wind speed) are February, March and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in May
Riverside, MO

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in May
Riverside, MO

Average rainfall in May - Riverside, MO
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in May
Riverside, MO

Average rainfall days in May - Riverside, MO
  • Average rainfall days in May: 17.2 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in May
Riverside, MO

Average snowfall in May - Riverside, MO
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (2.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Riverside, MO

Average snowfall days in May - Riverside, MO
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Riverside, MO

Average daylight in May / Average sunshine in May - Riverside, MO
  • Average daylight in May: 14h and 2min

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 May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in May
Riverside, MO

Average sunshine days in May - Riverside, MO
  • Average sunshine days in May: 11.6 days

The month with the most sunshine days is December (22.1 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in May
Riverside, MO

Average UV index in May - Riverside, MO
  • Average UV index in May: 5

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

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Average cloud cover in May
Riverside, MO

Average cloud cover in May - Riverside, MO
  • Average cloud cover in May: 39

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in May
Riverside, MO

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

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Riverside, Missouri, USA

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