Guymon (OK) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Guymon, Oklahoma, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's explore all the details to give you a full picture.

Guymon tends toward drier weather patterns, receiving approximately 429 mm (17 in) of rain/snow per year. The city experiences a distinct dry season during certain months, contributing to seasonal contrasts shown in the charts below.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The seasons in Guymon, bring significant changes in precipitation. The wettest month, August, receives moderate rainfall, with an average of 79 mm (3.1 in) of precipitation. This rainfall is distributed across 10 rainy days.

In contrast, the driest month, January, experiences much less rainfall, totaling 6.4 mm (0.3 in) over 3 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

August, the wettest month, has a maximum daytime temperature of 34°C (93°F). During the driest month January you can expect a temperature of 10°C (50°F). For more detailed insights into the city's temperatures, visit our Guymon Temperature page.

Annual Rainfall in the United States of America: City Comparison

The map below shows the annual precipitation across the United States of America. You can also select the different months in case you are interested in a specific month.

Guymon vs World: Rainfall Compared

Guymon's average annual precipitation is 429 mm (17 in). Let's compare this to some popular worldwide tourist destinations:

Boston, USA, experiences 1238 mm (49 in) of annual precipitation, including significant snowfall during the winter.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.

Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.

• "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
• The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
• The greatest snowfall recorded was on Mt. Rainier, Washington State, USA—over 31.5 meters (103 feet) fell during the winter of 1972.

For more detailed information about Guymon (OK)'s weather, including sunshine hours, humidity levels, and temperature data, visit our Guymon (OK) Climate page.