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

Monthly weather forecast and climate
Guymon, OK

January, like December, is a frosty winter month in Guymon, Oklahoma, with average temperature fluctuating between 48°F (8.9°C) and 21°F (-6.1°C). With an average high-temperature of 48°F (8.9°C) and an average low-temperature of 21°F (-6.1°C), January is the coldest month. Weather in January »
The last month of the winter, February, is a fresh month in Guymon, Oklahoma, with average temperature varying between 25°F (-3.9°C) and 52°F (11.1°C). In Guymon, the average high-temperature is almost the same as in January - a cool 52°F (11.1°C). Weather in February »

March, the first month of the spring, in Guymon, is a mild month, with average temperature fluctuating between 57.9°F (14.4°C) and 28.9°F (-1.7°C). In March, the average high-temperature slightly increases, from a fresh 52°F (11.1°C) in February, to a moderate 57.9°F (14.4°C). Weather in March »

April is a pleasant spring month in Guymon, Oklahoma, with temperature in the range of an average low of 41°F (5°C) and an average high of 69.1°F (20.6°C). In April, the average high-temperature rises, from a mild 57.9°F (14.4°C) in March, to a pleasant 69.1°F (20.6°C). Weather in April »

May, the last month of the spring, in Guymon, is a moderately hot month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 50°F (10°C). In Guymon, the average high-temperature in May increases, from a pleasant 69.1°F (20.6°C) in April, to a warm 78.1°F (25.6°C). Weather in May »

The first month of the summer, June, is a tropical month in Guymon, Oklahoma, with average temperature fluctuating between 61°F (16.1°C) and 89.1°F (31.7°C). In June, the average high-temperature rises, from a warm 78.1°F (25.6°C) in May, to a tropical 89.1°F (31.7°C). Weather in June »

July, like June, is a hot summer month in Guymon, Oklahoma, with temperature in the range of an average high of 93°F (33.9°C) and an average low of 64.9°F (18.3°C). With an average high-temperature of 93°F (33.9°C) and an average low-temperature of 64.9°F (18.3°C), July is the warmest month. Weather in July »

The last month of the summer, August, is another tropical month in Guymon, Oklahoma, with average temperature varying between 91.9°F (33.3°C) and 64.9°F (18.3°C). In August, the average high-temperature is almost the same as in July - a still hot 91.9°F (33.3°C). Weather in August »

The first month of the autumn, September, is still a warm month in Guymon, Oklahoma, with average temperature varying between 55.9°F (13.3°C) and 84.9°F (29.4°C). In Guymon, the average high-temperature slightly decreases, from a hot 91.9°F (33.3°C) in August, to a moderately hot 84.9°F (29.4°C). Weather in September »

October, like September, in Guymon, Oklahoma, is another warm autumn month, with average temperature fluctuating between 73.9°F (23.3°C) and 44.1°F (6.7°C). In October, the average high-temperature decreases, from a warm 84.9°F (29.4°C) in September, to a still moderately hot 73.9°F (23.3°C). Weather in October »

The last month of the autumn, November, is also a moderate month in Guymon, Oklahoma, with average temperature fluctuating between 59°F (15°C) and 30°F (-1.1°C). In November, the average high-temperature declines considerably, from a moderately hot 73.9°F (23.3°C) in October, to a mild 59°F (15°C). Weather in November »

The first month of the winter, December, is still a cool month in Guymon, Oklahoma, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 51.1°F (10.6°C). In December, the average high-temperature marginally drops, from a moderate 59°F (15°C) in November, to a fresh 51.1°F (10.6°C). Weather in December »

What is the coldest month in Guymon?

With an average high-temperature of 48°F (8.9°C) and an average low-temperature of 21°F (-6.1°C), January is the coldest month.

What is the most humid month in Guymon?

The most humid month is January, with an average relative humidity of 75%.

How much does it rain in Guymon?

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

What is the driest month in Guymon?

The month with the least rainfall in Guymon, Oklahoma, is January when the rain falls for 1.6 days and typically collects 0.5" (12.7mm) of precipitation.

When does it snow in Guymon?

January through May, October through December are months with snowfall in Guymon.

How much does it snow in Guymon?

In Guymon, during the entire year, snow aggregates up to 16.5" (419.1mm).

What are the months with the lowest UV index in Guymon?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Guymon, Oklahoma.

What is the snowiest month in Guymon?

The month with the most snowfall is February when 3.9" (99.1mm) of snow is typically aggregated.

When are the longest days in Guymon?

The month with the longest days is June, with an average of 14.6h of daylight.

What is the month with the most sunshine in Guymon?

June and July, with an average of 11h of sunshine, are months with the most sunshine.

When is the highest UV index in Guymon?

Months with the highest UV index in Guymon, Oklahoma, are June through August, with an average maximum UV index of 10.

What is the warmest month in Guymon?

The warmest month in Guymon is July, with an average high-temperature of 93°F (33.9°C) and an average low-temperature of 64.9°F (18.3°C).

What is the wettest month in Guymon?

July is the month with the most rainfall in Guymon, Oklahoma. Rain falls for 6.2 days and accumulates 3.5" (88.9mm) of precipitation.

What is the least humid month in Guymon?

The least humid month is August, with an average relative humidity of 54%.

What is the month with the shortest days in Guymon?

December has the shortest days of the year in Guymon, Oklahoma, with an average of 9.7h of daylight.

What is the month with the least sunshine in Guymon?

The month with the least sunshine in Guymon, Oklahoma, is December, with an average of 6h of sunshine.
Average rainfall - Guymon, OK
Average rainfall days - Guymon, OK

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 - Guymon, OK
Average daylight / Average sunshine - Guymon, OK