Climate and monthly weather forecastAllen, OK
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Allen, Oklahoma, with an average temperature fluctuating between 33.3°F (0.7°C) and 48.7°F (9.3°C). Temperature readings reach their annual highs in January, averaging 48.7°F (9.3°C) and a minimum average 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 ranging between max 52.2°F (11.2°C) and min 36.1°F (2.3°C). Stepping into February, Allen records an average high-temperature of a fresh 52.2°F (11.2°C), almost consistent with January. Weather in February »Weather in March
March, the first month of the spring in Allen, is a refreshing month, with an average temperature ranging between max 62.6°F (17°C) and min 45.5°F (7.5°C). The start of March is characterized by an increase in the average high-temperature, transitioning from a cool 52.2°F (11.2°C) in February to a comfortable 62.6°F (17°C). Weather in March »Weather in April
April in Allen, Oklahoma, is a pleasant spring month, with an average temperature varying between 52°F (11.1°C) and 70°F (21.1°C). A slight uplift in the average high-temperature marks April, adjusting from March's comfortable 62.6°F (17°C) to a pleasant 70°F (21.1°C). Weather in April »Weather in May
May, the last month of the spring in Allen, is a warm month, with an average temperature ranging between min 59.9°F (15.5°C) and max 76.5°F (24.7°C). The commencement of May sees a minor shift in the average high-temperature, moving from a pleasant 70°F (21.1°C) in April to a moderately hot 76.5°F (24.7°C). Weather in May »Weather in June
June, the first month of the summer in Allen, is a tropical month, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 86.5°F (30.3°C). Allen sees an increase in the average high-temperature with the arrival of June, moving from May's moderately hot 76.5°F (24.7°C) to a tropical 86.5°F (30.3°C). Weather in June »Weather in July
July, the same as June, in Allen, Oklahoma, is another tropical summer month, with an average temperature varying between 72.3°F (22.4°C) and 91.8°F (33.2°C). Allen starts July with an average high-temperature of a still tropical 91.8°F (33.2°C), hinting at a minimal fluctuation from June. Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Allen, Oklahoma, with an average temperature varying between 71.2°F (21.8°C) and 92.1°F (33.4°C). August temperatures tend to peak at an average high of 92.1°F (33.4°C) and dip to a low of 71.2°F (21.8°C). The heat index value during August is evaluated at an extremely hot 107.6°F (42°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Allen, Oklahoma, with an average temperature ranging between min 64.6°F (18.1°C) and max 84.4°F (29.1°C). Allen's weather in September involves a mild decrease in the average high-temperature, moving down slightly 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, like September, is an agreeable autumn month in Allen, Oklahoma, 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). October is characterized by a reduction in the average high-temperature, from a moderately hot 84.4°F (29.1°C) in September to a pleasant 71.6°F (22°C). Weather in October »Weather in November
November, the last month of the autumn in Allen, is another mild month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 60.1°F (15.6°C). Allen, Oklahoma, experiences a temperature shift at the start of November, with average high-temperatures adjusting from an agreeable 71.6°F (22°C) in October to a mild 60.1°F (15.6°C). Weather in November »Weather in December
December, the first month of the winter in Allen, is still a chilly month, with an average temperature varying between 49.6°F (9.8°C) and 35.6°F (2°C). The onset of December brings a small change in high-temperatures, falling from a refreshing 60.1°F (15.6°C) in November to a frosty 49.6°F (9.8°C). Weather in December »Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
In Allen, during the entire year, the rain falls for 131 days and collects up to 28.39" (721mm) of precipitation.
Months with snowfall are January through April, November and December.
In Allen, Oklahoma, during the entire year, snow falls for 5.7 days and aggregates up to 3.15" (80mm) of snow.
The month with the least rainfall is February, when the rain falls for 8.7 days and typically collects 1.42" (36mm) of precipitation.
The month with the most snowfall is February, when snow falls for 2.1 days and typically aggregates up to 1.54" (39mm) of snow.
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.
With an average relative humidity of 80%, May is the most humid month in Allen.
The month with the most rainfall is May, when the rain falls for 15.1 days and typically aggregates up to 4.33" (110mm) of precipitation.
In Allen, snow does not fall in May through October.
With an average of 14h and 30min of daylight, June has the longest days of the year.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
August temperatures tend to peak at an average high of 92.1°F (33.4°C) and dip to a low of 71.2°F (21.8°C).
With an average relative humidity of 64%, August is the least humid month.
August has the most sunshine of the year in Allen, with an average of 11.1h of sunshine.
The month with the shortest days is December, with an average of 9h and 54min of daylight.
December has the least sunshine of the year, with an average of 5.7h of sunshine.
The month with the lowest UV index is December, with an average maximum UV index of 2.
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).
Average pressure
Allen, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Allen, OK
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.4mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.1mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.6mph
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).
Average humidity
Allen, OK
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (64%).
Average rainfall
Allen, OK
- Average rainfall in January:
1.57" - Average rainfall in February:
1.42" - Average rainfall in March:
2.44" - Average rainfall in April:
2.87" - Average rainfall in May:
4.33" - Average rainfall in June:
2.01"
- Average rainfall in July:
2.2" - Average rainfall in August:
2.83" - Average rainfall in September:
2.52" - Average rainfall in October:
3.07" - Average rainfall in November:
1.54" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days
Allen, OK
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
12 days - Average rainfall days in April:
13.2 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
12 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
7.7 days
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).
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").
Average snowfall days
Allen, OK
- Average snowfall days in January:
1.4 days - Average snowfall days in February:
2.1 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1 days
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).
Average daylight / Average sunshine
Allen, OK
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 54min
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).
- Average sunshine in January:
5h and 54min - Average sunshine in February:
6h and 36min - Average sunshine in March:
6h and 54min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 36min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 6min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 36min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 42min
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).
Average sunshine days
Allen, OK
- Average sunshine days in January:
22.5 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
16.2 days
- Average sunshine days in July:
15.8 days - Average sunshine days in August:
16.4 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (14.5 days).
Average UV index
Allen, OK
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Allen, OK
The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
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).
