Guymon
Oklahoma, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Guymon, OK

May, the last month of the spring, in Guymon, is a moderately hot month, with average temperature fluctuating between 78.1°F (25.6°C) and 50°F (10°C).

Temperature

In Guymon, the average high-temperature in May increases, from a pleasant 69.1°F (20.6°C) in April, to a moderately hot 78.1°F (25.6°C). The average low-temperature, in Guymon, is 50°F (10°C).

Humidity

The average relative humidity in Guymon is 59%.

Rainfall

In Guymon, during May, the rain falls for 6.2 days and regularly aggregates up to 3.1" (78.7mm) of precipitation. In Guymon, during the entire year, the rain falls for 44.4 days and collects up to 20.9" (530.8mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. Throughout May, Guymon aggregates 0.1" (2.5mm) of snow. Throughout the year, 16.5" (419.1mm) of snow is accumulated.

Daylight

In Guymon, the average length of the day is 14.1h.

Sunshine

In May, the average sunshine is 10h.

UV index

In May, the average daily maximum UV index in Guymon is 9. A UV Index estimate of 8 to 10 represents a very high health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 9 in May interpret into the following advice:
Take extra precautions. Protection against sun damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Guymon?

The average high-temperature, in May, is 78.1°F (25.6°C), while the average low-temperature is 50°F (10°C).

What is the average humidity in May in Guymon?

In May, the average relative humidity in Guymon is 59%.

How much does it rain in Guymon in May?

In Guymon, during May, the rain falls for 6.2 days and regularly aggregates up to 3.1" (78.7mm) of precipitation.

What is the last month it snows in Guymon?

May is the last month it regularly snows in Guymon. Throughout May, Guymon aggregates 0.1" (2.5mm) of snow.

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

The average length of the day in May is 14.1h.

How many hours of sunshine does Guymon have in May?

The average sunshine in May in Guymon, Oklahoma, is 10h.

How high is the UV index in May in Guymon?

The average daily maximum UV index in May is 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in May - Guymon, OK
  • Average high temperature in May: 78°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: 50°F

Months with the highest average low temperature are July and August (65°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average humidity in May - Guymon, OK
  • Average humidity in May: 59%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (54%).

Average rainfall in May - Guymon, OK
  • Average rainfall in May: 3.1"

The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the lowest rainfall) is January (0.5").

Average rainfall days in May - Guymon, OK
  • Average rainfall days in May: 6.2 days

Months with the highest number of rainy days are May and July (6.2 days).
The month with the lowest number of rainy days is January (1.6 days).

Average snowfall in May - Guymon, OK
  • Average snowfall in May: 0.1"

The month with the highest snowfall is February (3.9").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in May / Average sunshine in May - Guymon, OK
  • Average daylight in May: 14.1h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in May: 10h

Months with most sunshine are June and July (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index in May - Guymon, OK
  • Average UV index in May: 9

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 2).