May weather forecast
Spiro, OK

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Weather in May

The last month of the spring, May, is a moderately hot month in Spiro, Oklahoma, with an average temperature ranging between max 78.8°F (26°C) and min 58.8°F (14.9°C).

Temperature

A subtle rise in the average high-temperature is observed during May, adjusting from a pleasant 71.2°F (21.8°C) in April to a warm 78.8°F (26°C). In the month of May, the temperature generally rests at an average low of 58.8°F (14.9°C).

Humidity

With an average relative humidity of 77%, May is the most humid month in Spiro, Oklahoma.

Rainfall

The month with the most rainfall is May, when the rain falls for 15.2 days and typically aggregates up to 4.45" (113mm) of precipitation.

Snowfall

In Spiro, Oklahoma, snow does not fall in April through October.

Daylight

In Spiro, the average length of the day in May is 14h and 2min.
On the first day of the month, sunrise is at 6:26 am and sunset at 8:04 pm. On the last day of May, in Spiro, sunrise is at 6:05 am and sunset at 8:27 pm CDT.

Sunshine

In Spiro, Oklahoma, the average sunshine in May is 9h.

UV index

The average daily maximum UV index in May in Spiro, Oklahoma, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 6 during May morphs into the following directions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What are May temperatures in Spiro?

In May, in Spiro, the average high-temperature is 78.8°F (26°C), and the average low-temperature is 58.8°F (14.9°C).

What is the most humid month in Spiro?

The most humid month in Spiro is May, with an average relative humidity of 77%.

What is the average humidity in May in Spiro?

In May, the average relative humidity in Spiro is 77%.

What is the rainiest month in Spiro?

May is the month with the most rainfall in Spiro, Oklahoma. Rain falls for 15.2 days and accumulates 4.45" (113mm) of precipitation.

How much does it rain in Spiro in May?

In Spiro, Oklahoma, in May, it is raining for 15.2 days, with typically 4.45" (113mm) of accumulated precipitation.

When it does not snow in Spiro?

April through October are months without snowfall in Spiro.

How many hours of daylight does Spiro have in May?

In Spiro, Oklahoma, the average day length in May is 14h and 2min.

When are sunrise and sunset in May in Spiro?

On the first day of May in Spiro, Oklahoma, sunrise is at 6:26 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:27 pm CDT.

How long on average sun shines in May in Spiro?

The average sunshine duration in May in Spiro is 9h.

How high is the UV index in May in Spiro?

The average daily maximum UV index in May in Spiro is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Spiro, OK

Average temperature in May - Spiro, OK
  • Average high temperature in May: 78.8°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is January (48°F).

  • Average low temperature in May: 58.8°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).

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Average pressure in May
Spiro, OK

Average pressure in May - Spiro, OK
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Spiro, OK

Average wind speed in May - Spiro, OK
  • Average wind speed in May: 6.9mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in May
Spiro, OK

Average humidity in May - Spiro, OK
  • Average humidity in May: 77%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (69%).

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Average rainfall in May
Spiro, OK

Average rainfall in May - Spiro, OK
  • Average rainfall in May: 4.45"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and February (2.17").

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Average rainfall days in May
Spiro, OK

Average rainfall days in May - Spiro, OK
  • Average rainfall days in May: 15.2 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is November (8.9 days).

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Average snowfall in May
Spiro, OK

Average snowfall in May - Spiro, OK
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Spiro, OK

Average snowfall days in May - Spiro, OK
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Spiro, OK

Average daylight in May / Average sunshine in May - Spiro, OK
  • Average daylight in May: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in May: 9h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

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Average sunshine days in May
Spiro, OK

Average sunshine days in May - Spiro, OK
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is May (13.4 days).

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Average UV index in May
Spiro, OK

Average UV index in May - Spiro, OK
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in May
Spiro, OK

Average cloud cover in May - Spiro, OK
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in May
Spiro, OK

Average visibility in May - Spiro, OK
  • 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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Spiro, Oklahoma, USA

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