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

Monthly weather forecast and climate
Stillwater, OK

January, the same as December, in Stillwater, Oklahoma, is a frosty winter month, with average temperature ranging between min 30.6°F (-0.8°C) and max 47.5°F (8.6°C). With an average high-temperature of 47.5°F (8.6°C) and an average low-temperature of 30.6°F (-0.8°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Stillwater, is a fresh month, with average temperature ranging between max 50.5°F (10.3°C) and min 33.4°F (0.8°C). In Stillwater, the average high-temperature in February is practically the same as in January - a cool 50.5°F (10.3°C). Weather in February »

The first month of the spring, March, is an enjoyable month in Stillwater, Oklahoma, with average temperature varying between 61.7°F (16.5°C) and 43.3°F (6.3°C). In Stillwater, the average high-temperature increases, from a cool 50.5°F (10.3°C) in February, to a comfortable 61.7°F (16.5°C). Weather in March »

April in Stillwater, Oklahoma, is a pleasant spring month, with average temperature fluctuating between 50.5°F (10.3°C) and 69.4°F (20.8°C). In Stillwater, the average high-temperature marginally rises, from an enjoyable 61.7°F (16.5°C) in March, to a pleasant 69.4°F (20.8°C). Weather in April »

The last month of the spring, May, is a moderately hot month in Stillwater, Oklahoma, with average temperature varying between 77°F (25°C) and 59°F (15°C). In Stillwater, the average high-temperature in May slightly increases, from a pleasant 69.4°F (20.8°C) in April, to a warm 77°F (25°C). Weather in May »

June, the first month of the summer, in Stillwater, is a tropical month, with average temperature ranging between min 69.8°F (21°C) and max 88°F (31.1°C). In Stillwater, the average high-temperature in June rises, from a moderately hot 77°F (25°C) in May, to a hot 88°F (31.1°C). Weather in June »

July, the same as June, in Stillwater, Oklahoma, is a hot summer month, with average temperature varying between 93°F (33.9°C) and 73°F (22.8°C). July is the warmest month, with an average high-temperature of 93°F (33.9°C) and an average low-temperature of 73°F (22.8°C). The average heat index is calculated to an extremely hot 110.5°F (43.6°C). Weather in July »

August, the last month of the summer, in Stillwater, is another hot month, with temperature in the range of an average high of 92.3°F (33.5°C) and an average low of 70.9°F (21.6°C). In Stillwater, Oklahoma, the average high-temperature is essentially the same as in July - a still tropical 92.3°F (33.5°C). Weather in August »

September, the first month of the autumn, in Stillwater, is still a warm month, with average temperature varying between 64.4°F (18°C) and 84.4°F (29.1°C). In September, the average high-temperature slightly decreases, from a tropical 92.3°F (33.5°C) in August, to a moderately hot 84.4°F (29.1°C). Weather in September »

October, like September, is an agreeable autumn month in Stillwater, Oklahoma, with average temperature varying between 70.9°F (21.6°C) and 53.1°F (11.7°C). In October, the average high-temperature decreases, from a moderately hot 84.4°F (29.1°C) in September, to a pleasant 70.9°F (21.6°C). Weather in October »

The last month of the autumn, November, is also a moderate month in Stillwater, Oklahoma, with average temperature fluctuating between 59.5°F (15.3°C) and 41.9°F (5.5°C). In November, the average high-temperature decreases, from an agreeable 70.9°F (21.6°C) in October, to a mild 59.5°F (15.3°C). Weather in November »

December, the first month of the winter, in Stillwater, is still a chilly month, with average temperature fluctuating between 48.7°F (9.3°C) and 33.1°F (0.6°C). In December, the average high-temperature decreases, from a mild 59.5°F (15.3°C) in November, to a frosty 48.7°F (9.3°C). Weather in December »

What is the coldest month in Stillwater?

With an average high-temperature of 47.5°F (8.6°C) and an average low-temperature of 30.6°F (-0.8°C), January is the coldest month.

How much does it rain in Stillwater?

In Stillwater, Oklahoma, during the entire year, the rain falls for 121.4 days and collects up to 25.28" (642mm) of precipitation.

When does it snow in Stillwater?

January through March, November and December are months with snowfall in Stillwater, Oklahoma.

How much does it snow in Stillwater?

In Stillwater, Oklahoma, during the entire year, snow falls for 7.7 days, and aggregates up to 3.23" (82mm) of snow.

When does it snow the most in Stillwater?

The month with the most snowfall in Stillwater is February when snow falls for 2.8 days and typically aggregates up to 1.42" (36mm) of snow.

When it does not snow in Stillwater?

In Stillwater, Oklahoma, snow does not fall in April through October.

What is the most humid month in Stillwater?

With an average relative humidity of 75%, May is the most humid month in Stillwater.

What is the rainiest month in Stillwater?

The month with the most rainfall in Stillwater, Oklahoma, is May when the rain falls for 14.6 days and typically aggregates up to 4.25" (108mm) of precipitation.

When are the longest days in Stillwater?

June has the longest days of the year in Stillwater, Oklahoma, with an average of 14.6h of daylight.

When is the highest UV index in Stillwater?

June through August, with an average maximum UV index of 7, are months with the highest UV index in Stillwater, Oklahoma.

What is the warmest month in Stillwater?

July is the warmest month, with an average high-temperature of 93°F (33.9°C) and an average low-temperature of 73°F (22.8°C).

What is the least humid month in Stillwater?

With an average relative humidity of 62%, August is the least humid month in Stillwater.

What month has the most sunshine in Stillwater?

August has the most sunshine of the year, with an average of 11.2h of sunshine.

What is the driest month in Stillwater?

December is the month with the least rainfall in Stillwater, Oklahoma. Rain falls for 5.8 days and accumulates 0.98" (25mm) of precipitation.

What is the month with the shortest days in Stillwater?

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

What is the month with the least sunshine in Stillwater?

The month with the least sunshine in Stillwater, Oklahoma, is December, with an average of 6.1h of sunshine.

When is the lowest UV index in Stillwater?

The month with the lowest UV index in Stillwater is December, with an average maximum UV index of 2.
Average rainfall - Stillwater, OK

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the lowest rainfall) is December (0.98").

Average rainfall days - Stillwater, OK

The month with the highest number of rainy days is May (14.6 days).
The month with the lowest number of rainy days is January (4.8 days).

Average snowfall - Stillwater, OK

The month with the highest snowfall is February (1.42").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average snowfall days - Stillwater, OK

The month with the highest number of snowfall days is February (2.8 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Stillwater, OK

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

The month with most sunshine is August (Average sunshine: 11.2h).
The month with least sunshine is December (Average sunshine: 6.1h).