Williams
Arizona, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Williams, AZ

An aerial panorama of the scenic region of Williams, Arizona, featuring distant forest and vast mountain ranges
An aerial panorama of the scenic region of Williams, Arizona, featuring distant forest and vast mountain ranges
January, the same as December, in Williams, Arizona, is a frosty winter month, with average temperature ranging between max 44.8°F (7.1°C) and min 27.9°F (-2.3°C). In Williams, Arizona, the average high-temperature in January is relatively the same as in December - a still frosty 44.8°F (7.1°C). Weather in January »

February, the last month of the winter, in Williams, is also a frosty month, with average temperature ranging between min 29.1°F (-1.6°C) and max 47.3°F (8.5°C). In February, the average high-temperature is relatively the same as in January - a still frosty 47.3°F (8.5°C). Weather in February »

March, the first month of the spring, in Williams, is a cool month, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 34.7°F (1.5°C). In Williams, Arizona, the average high-temperature slightly increases, from a chilly 47.3°F (8.5°C) in February, to a cool 55°F (12.8°C). Weather in March »

April in Williams, Arizona, is a comfortable spring month, with average temperature ranging between min 39.6°F (4.2°C) and max 62.2°F (16.8°C). In Williams, the average high-temperature marginally rises, from a cool 55°F (12.8°C) in March, to a comfortable 62.2°F (16.8°C). Weather in April »

The last month of the spring, May, is a pleasant month in Williams, Arizona, with average temperature ranging between max 70°F (21.1°C) and min 46°F (7.8°C). In Williams, the average high-temperature slightly increases, from a comfortable 62.2°F (16.8°C) in April, to a pleasant 70°F (21.1°C). Weather in May »

June, the first month of the summer, in Williams, is a warm month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 82.8°F (28.2°C). In Williams, the average high-temperature increases, from an agreeable 70°F (21.1°C) in May, to a warm 82.8°F (28.2°C). Weather in June »

July, like June, in Williams, Arizona, is a moderately hot summer month, with average temperature ranging between max 84.4°F (29.1°C) and min 61.9°F (16.6°C). With an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 61.9°F (16.6°C), July is the warmest month. In July, the average heat index is estimated at 83.7°F (28.7°C). Weather in July »

The last month of the summer, August, is another warm month in Williams, Arizona, with average temperature ranging between min 61.3°F (16.3°C) and max 82.8°F (28.2°C). In Williams, Arizona, the average high-temperature in August is almost the same as in July - a still warm 82.8°F (28.2°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Williams, Arizona, with average temperature varying between 77.5°F (25.3°C) and 55.9°F (13.3°C). In September, the average high-temperature is essentially the same as in August - a still moderately hot 77.5°F (25.3°C). Weather in September »

October, like September, in Williams, Arizona, is another enjoyable autumn month, with average temperature varying between 65.3°F (18.5°C) and 43.7°F (6.5°C). In Williams, Arizona, the average high-temperature in October decreases, from a warm 77.5°F (25.3°C) in September, to a comfortable 65.3°F (18.5°C). Weather in October »

The last month of the autumn, November, is also a fresh month in Williams, Arizona, with temperature in the range of an average low of 34.5°F (1.4°C) and an average high of 54.7°F (12.6°C). In Williams, Arizona, the average high-temperature decreases, from a comfortable 65.3°F (18.5°C) in October, to a cool 54.7°F (12.6°C). Weather in November »

December, the first month of the winter, in Williams, is still a chilly month, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 44.4°F (6.9°C). December is the coldest month, with an average high-temperature of 44.4°F (6.9°C) and an average low-temperature of 27°F (-2.8°C). Weather in December »

What is the most humid month in Williams?

With an average relative humidity of 63%, January is the most humid month in Williams, Arizona.

How many days does it rain in Williams?

Throughout the year, in Williams, there are 70.4 rainfall days, and 10" (254mm) of precipitation is accumulated.

When does it snow in Williams?

Months with snowfall in Williams, Arizona, are January through May, October through December.

How many days does it snow in Williams?

In Williams, Arizona, during the entire year, snow falls for 28.2 days, and aggregates up to 24.72" (628mm) of snow.

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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Williams.

What is the least humid month in Williams?

The least humid month is June, with an average relative humidity of 23%.

What is the driest month in Williams?

June is the month with the least rainfall in Williams, Arizona. Rain falls for 2.1 days and accumulates 0.08" (2mm) of precipitation.

When it does not snow in Williams?

In Williams snow does not fall in June through September.

When are the longest days in Williams?

The month with the longest days in Williams, Arizona, is June, with an average of 14.5h of daylight.

What month has the most sunshine in Williams?

June has the most sunshine of the year in Williams, with an average of 12.2h of sunshine.

What is the month with the highest UV index in Williams?

Months with the highest UV index in Williams are June through August, with an average maximum UV index of 6.

What is the warmest month in Williams?

With an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 61.9°F (16.6°C), July is the warmest month in Williams, Arizona.

What is the wettest month in Williams?

July is the month with the most rainfall. Rain falls for 13.3 days and accumulates 1.38" (35mm) of precipitation.

What is the coldest month in Williams?

The coldest month is December, with an average high-temperature of 44.4°F (6.9°C) and an average low-temperature of 27°F (-2.8°C).

When does it snow the most in Williams?

The month with the most snowfall in Williams, Arizona, is December when snow falls for 6.2 days and typically aggregates up to 5.94" (151mm) of snow.

What is the month with the shortest days in Williams?

December has the shortest days of the year, with an average of 9.8h of daylight.

What is the month with the least sunshine in Williams?

December has the least sunshine of the year, with an average of 6.8h of sunshine.
Average temperature - Williams, AZ
Average rainfall - Williams, AZ
Average rainfall days - Williams, AZ

The month with the highest number of rainy days is July (13.3 days).
The month with the lowest number of rainy days is June (2.1 days).

Average snowfall - Williams, AZ
Average snowfall days - Williams, AZ

The month with the highest number of snowfall days is December (6.2 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Williams, AZ
Average UV index - Williams, AZ