May weather forecast
Copan, OK

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Weather in May

The last month of the spring, May, is a moderately hot month in Copan, Oklahoma, with an average temperature fluctuating between 75.2°F (24°C) and 57.7°F (14.3°C).

Temperature

As Copan transitions into May, a marginal rise in the average high-temperature is observed, moving from a refreshing 67.8°F (19.9°C) in April to a moderately hot 75.2°F (24°C). Copan experiences an average low-temperature of 57.7°F (14.3°C) in month of May.

Humidity

May is the most humid month, with an average relative humidity of 80%.

Rainfall

May is the month with the most rainfall. Rain falls for 13.8 days and accumulates 3.15" (80mm) of precipitation.

Snowfall

In Copan, snow does not fall in April through October.

Daylight

In May, the average length of the day is 14h and 10min.
On the first day of May, sunrise is at 6:28 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:37 pm CDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in May in Copan is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What are the temperatures in May?

During May, Copan experiences an average high-temperature of 75.2°F (24°C) and a low-temperature of 57.7°F (14.3°C).

What is the most humid month?

With an average relative humidity of 80%, May is the most humid month.

What is the average humidity in May?

In Copan, the average relative humidity in May is 80%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 13.8 days and typically aggregates up to 3.15" (80mm) of precipitation.

How many days does it rain in May?

In Copan, in May, during 13.8 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in May?

In May, the average day length is 14h and 10min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:28 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:37 pm CDT.

How many hours of sunshine does Copan have in May?

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

What is the UV index reading in May?

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's 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
Copan, OK

Average temperature in May - Copan, OK
  • Average high temperature in May: 75.2°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.4°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in May
Copan, OK

Average pressure in May - Copan, OK
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Copan, OK

Average wind speed in May - Copan, OK
  • Average wind speed in May: 9.2mph

The windiest month (with the highest average wind speed) is March (11mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

Average humidity in May
Copan, OK

Average humidity in May - Copan, OK
  • Average humidity in May: 80%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, October and November (68%).

Average rainfall in May
Copan, OK

Average rainfall in May - Copan, OK
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (0.43").

Average rainfall days in May
Copan, OK

Average rainfall days in May - Copan, OK
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.9 days).

Average snowfall in May
Copan, OK

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

The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Copan, OK

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

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Copan, OK
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).

Average sunshine days in May
Copan, OK

Average sunshine days in May - Copan, OK
  • Average sunshine days in May: 15 days

The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is May (15 days).

Average UV index in May
Copan, OK

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

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

Average cloud cover in May
Copan, OK

Average cloud cover in May - Copan, OK
  • Average cloud cover in May: 38

The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in May
Copan, OK

Average visibility in May - Copan, 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).

Copan, Oklahoma, USA

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