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

May weather forecast and Climate
Guymon, OK

  • The 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).

  • The 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).

  • The 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%).

  • The 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").

  • The 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).

  • The 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").

  • The average daylight in May: 14h

The month with the longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The 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).

  • The 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).