Climate and monthly weather forecast
Allen, OK

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Weather in January

January, like December, is a frosty winter month in Allen, Oklahoma, with an average temperature ranging between min 33.3°F (0.7°C) and max 48.7°F (9.3°C). Allen's temperature records reveal January as the coldest month, marked by average highs of 48.7°F (9.3°C) and lows of 33.3°F (0.7°C). Weather in January »

Weather in February

February, the last month of the winter in Allen, is a cool month, with an average temperature varying between 36.1°F (2.3°C) and 52.2°F (11.2°C). Allen in February witnesses an average high-temperature of a cool 52.2°F (11.2°C), indicating a slight variation from January's 48.7°F (9.3°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Allen, Oklahoma, with an average temperature varying between 62.6°F (17°C) and 45.5°F (7.5°C). The transition from February to March brings a temperature rise, with average high-temperatures increasing from a fresh 52.2°F (11.2°C) to a refreshing 62.6°F (17°C). Weather in March »

Weather in April

April is an agreeable spring month in Allen, Oklahoma, with an average temperature ranging between min 52°F (11.1°C) and max 70°F (21.1°C). April's onset witnesses a minor shift in the average high-temperature, moving from an enjoyable 62.6°F (17°C) in March to an agreeable 70°F (21.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Allen, Oklahoma, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 76.5°F (24.7°C). The shift from April to May is marked by a slight increase in the average high-temperature, moving from an agreeable 70°F (21.1°C) to a moderately hot 76.5°F (24.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Allen, Oklahoma, with an average temperature varying between 69.4°F (20.8°C) and 86.5°F (30.3°C). Entering June, Allen sees a temperature rise, with the average high-temperature advancing from May's warm 76.5°F (24.7°C) to a hot 86.5°F (30.3°C). Weather in June »

Weather in July

July, like June, is another hot summer month in Allen, Oklahoma, with an average temperature varying between 91.8°F (33.2°C) and 72.3°F (22.4°C). The transition from June to July brings an average high-temperature of a still hot 91.8°F (33.2°C), barely different from June's 86.5°F (30.3°C). Weather in July »

Weather in August

August, the last month of the summer in Allen, is another tropical month, with an average temperature ranging between min 71.2°F (21.8°C) and max 92.1°F (33.4°C). August, having an average high-temperature of 92.1°F (33.4°C) and an average low-temperature of 71.2°F (21.8°C), is the warmest month. The heat index in August is calculated to be a blistering 107.6°F (42°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Allen, Oklahoma, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 84.4°F (29.1°C). The arrival of September correlates with a minor temperature reduction, down from August's hot 92.1°F (33.4°C) to a warm 84.4°F (29.1°C). Weather in September »

Weather in October

October, the same as September, in Allen, Oklahoma, is another pleasant autumn month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 53.6°F (12°C). In Allen, the average high-temperature in October decreases from a moderately hot 84.4°F (29.1°C) in September to an agreeable 71.6°F (22°C). Weather in October »

Weather in November

November, the last month of the autumn in Allen, is another refreshing month, with an average temperature fluctuating between 60.1°F (15.6°C) and 43.2°F (6.2°C). Allen in November undergoes a mild reduction in the average high-temperature, shifting from October's agreeable 71.6°F (22°C) to a refreshing 60.1°F (15.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Allen, Oklahoma, with an average temperature ranging between max 49.6°F (9.8°C) and min 35.6°F (2°C). December comes with a drop in the average high-temperature, falling from November's refreshing 60.1°F (15.6°C) to a frosty 49.6°F (9.8°C). Weather in December »
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Frequently asked questions

What is the coldest month in Allen?

Allen experiences its average lowest temperatures in January, reaching a peak of 48.7°F (9.3°C) and a minimum of 33.3°F (0.7°C).

How many days does it rain in Allen?

In Allen, Oklahoma, during the entire year, the rain falls for 131 days and collects up to 28.39" (721mm) of precipitation.

When does it snow in Allen?

Months with snowfall in Allen are January through April, November and December.

How much does it snow in Allen?

In Allen, during the entire year, snow falls for 5.7 days and aggregates up to 3.15" (80mm) of snow.

What is the driest month in Allen?

February is the month with the least rainfall in Allen, Oklahoma. Rain falls for 8.7 days and accumulates 1.42" (36mm) of precipitation.

When does it snow the most in Allen?

February is the month with the most snowfall in Allen, Oklahoma. Snow falls for 2.1 days and accumulates 1.54" (39mm) of snow.

When is Daylight Saving Time (DST) in Allen?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the most humid month in Allen?

With an average relative humidity of 80%, May is the most humid month in Allen, Oklahoma.

What is the rainiest month in Allen?

The month with the most rainfall in Allen, Oklahoma, is May, when the rain falls for 15.1 days and typically aggregates up to 4.33" (110mm) of precipitation.

When it does not snow in Allen?

In Allen, Oklahoma, snow does not fall in May through October.

When are the longest days in Allen?

June has the longest days of the year in Allen, Oklahoma, with an average of 14h and 30min of daylight.

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

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

What is the hottest time of year in Allen?

The highest temperatures are recorded in August, with averages reaching a high of 92.1°F (33.4°C) and a low of 71.2°F (21.8°C).

What is the least humid month in Allen?

With an average relative humidity of 64%, August is the least humid month.

What month has the most sunshine in Allen?

The month with the most sunshine in Allen is August, with an average of 11.1h of sunshine.

What is the month with the shortest days in Allen?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

What is the month with the least sunshine in Allen?

With an average of 5.7h of sunshine, December has the least sunshine of the year.

What is the month with the lowest UV index in Allen?

With an average maximum UV index of 2, December is the month with the lowest UV index.

Average temperature
Allen, OK

Average temperature - Allen, OK

The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is January (48.7°F).

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).

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Average pressure
Allen, OK

Average pressure - Allen, OK

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed
Allen, OK

Average wind speed - Allen, OK

The windiest month (with the highest average wind speed) is March (11mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average rainfall
Allen, OK

Average rainfall - Allen, OK

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days
Allen, OK

Average rainfall days - Allen, OK

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.7 days).

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Average snowfall
Allen, OK

Average snowfall - Allen, OK

The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Allen, OK

Average snowfall days - Allen, OK

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Allen, OK

Average daylight / Average sunshine - Allen, OK

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days
Allen, OK

Average sunshine days - Allen, OK

The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (14.5 days).

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Average visibility
Allen, OK

Average visibility - Allen, OK

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Allen, Oklahoma, USA

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