Climate and monthly weather forecast
Broken Arrow, OK

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The climate of Broken Arrow

Broken Arrow, situated in the state of Oklahoma, USA, is characterized by a Humid subtropical climate, also known as the Cfa climate according to the Köppen climate classification. This type of climate involves high temperature throughout the year and sufficient rainfall. An important aspect of this climate type is the absence of a dry season.

Throughout the year, the temperature in Broken Arrow generally varies between 31.5°F (-0.3°C) and 91°F (32.8°C), with noticeable fluctuations between different months. Marked seasonal variations can be noted. January is the coldest month with an average low of 31.5°F (-0.3°C), and July being the warmest month where temperatures can peak up to 91°F (32.8°C).

Rainfall is also a prominent weather component in Broken Arrow. A considerable amount of precipitation is recorded each month, with the maximum average rainfall of 5.16" (131mm) recorded in May and the lowest average of 1.38" (35mm) seen in both January and February.

In terms of sunshine, the length of the day varies, with a maximum of 14.6 hours of daylight observed in June, and a shorter day length of only 9.7 hours recorded in December. The UV Index also witnesses substantial variation from a low of 2 in the colder months to a high of 7 in the warmer months.

The best time to visit Broken Arrow

The ideal time to visit Broken Arrow is largely a dependant on individual preferences. However, for those who favor warm temperatures, June to August may be considered the ideal time as temperatures can reach up to between 86.5°F (30.3°C) and 91°F (32.8°C) combined with longer daylight hours of 14.1 to 14.6 hours.

Travelers who prefer comfortable weather conditions, the period from April to October can be an apt choice. During this period, the temperatures hover between 69.1°F (20.6°C) and 83.8°F (28.8°C). It's also the time when Broken Arrow experiences a maximum amount of sunshine averaging between 8.2 hours and 10.9 hours per day.

The worst time to visit Broken Arrow

If cold weather and snow aren’t to one's liking, it's best to avoid visiting Broken Arrow during winter, particularly in January where the temperature can dip to 31.5°F (-0.3°C). Additionally, snowfall could be experienced during December and January.

The period from March to May also warrants some caution as it’s known for a high average rainfall, measuring up to 5.16" (131mm) in May. Furthermore, the visibility can drop to 6 miles during these months, posing a potential challenge for travelers.

Spring weather in Broken Arrow

Spring, stretching from March to May in Broken Arrow, is a season of warming temperatures and increasing rainfall. Temperatures steadily rise, with daily highs going from 61.2°F (16.2°C) to 75.9°F (24.4°C), and overnight lows increasing from 44.2°F (6.8°C) to 59.4°F (15.2°C). Rainfall levels escalate, with May witnessing the highest average rainfall of 5.16" (131mm). The number of rainy days increase from 11.7 in March to the peak of 15.9 in May.

Summer weather in Broken Arrow

Summers from June to August in Broken Arrow are hot, with temperatures ranging from a pleasant 86.5°F (30.3°C) to a high of 91°F (32.8°C). Night temperatures during these months provide some respite, ranging from 69.3°F (20.7°C) to 72.1°F (22.3°C). Rainfall decreases in summer, with the lowest average precipitation recorded in June at 1.97" (50mm). Days are also the longest during this season, with an average daylight duration fluctuating between 14.1 and 14.6 hours.

Autumn weather in Broken Arrow

The transition period from summer to winter, September through November, sees falling temperatures in Broken Arrow. This period experiences temperatures ranging from 70.7°F (21.5°C) to 59.2°F (15.1°C) during the day and 52.7°F (11.5°C) to 42.4°F (5.8°C) at night. Despite a decrease in sunshine, with hours dropping from 8.9 to 5.9 hours a day, relatively comfortable weather conditions prevail.

Winter weather in Broken Arrow

Winter in Broken Arrow, which spans from December to February, experiences the most frigid temperatures of the year, with highs varying from 46.4°F (8°C) to 50.2°F (10.1°C) and lows ranging from 31.5°F (-0.3°C) to 34.3°F (1.3°C). While snowfall is relatively insignificant, both December and January see a minute amount of snow corresponding to 0.43" (11mm) and 0.75" (19mm) respectively. With reduced daylight hours, ranging from 10 to 10.9 hours, and cold temperatures, winter is the least favorable time to visit Broken Arrow for most tourists.

Weather in January

January in Broken Arrow, Oklahoma, experiences a temperature range from 31.5°F (-0.3°C) to 46.4°F (8°C). This month's chilly air often comes with a moderate average wind speed of 9.8mph (15.8km/h), setting a cool start to the year. Weather in January »

Weather in February

Temperature in February slightly increases, lying between 34.3°F (1.3°C) and 50.2°F (10.1°C) in Broken Arrow, Oklahoma. The sun shines a bit longer, providing 10.9 hours of daylight, setting the stage for vernal spectacles. Weather in February »

Weather in March

March observes a notable rise in Broken Arrow's temperature, fluctuating between 44.2°F (6.8°C) and 61.2°F (16.2°C). March ushers in warmer weather, heightened rainfall, and the start of the city's wetter periods. Rainfalls reach 2.56" (65mm), welcoming the floral bloom of spring. Weather in March »

Weather in April

Temperatures range from 50.7°F (10.4°C) to 69.1°F (20.6°C) in April in Broken Arrow, Oklahoma. The genuine arrival of spring is confirmed by the absence of snowfall, higher temperatures, and increased rainfall. April receives the highest percentage of cloud cover of any month. Weather in April »

Weather in May

In May, temperature fluctuations vary from 59.4°F (15.2°C) to 75.9°F (24.4°C) in Broken Arrow, Oklahoma. This temperature change steers residents towards outdoor recreational activities. With rainfall reaching 5.16" (131mm), May receives the highest annual precipitation. Weather in May »

Weather in June

Broken Arrow's temperature in June ranges from 69.3°F (20.7°C) to 86.5°F (30.3°C). This month, the sun makes its longest appearance, providing 14.6 hours of daylight. On the flip side, rainfall significantly drops compared to May, nearing the levels observed in March. Weather in June »

Weather in July

The hottest month in Broken Arrow, Oklahoma, is July, with temperatures ranging from 72.1°F (22.3°C) to 91°F (32.8°C). Despite being the peak of summer, rainfall increases slightly from preceding June levels. This month is also less windy than June, corroborating the local saying, "if the wind stopped blowing, Oklahoma would fall into the Gulf of Mexico." Summer activities are in full swing, with daylight reaching 14.3 hours. Weather in July »

Weather in August

In August, the temperature ranges from 70.2°F (21.2°C) to 90.5°F (32.5°C) in Broken Arrow, Oklahoma. As the last full month of summer, August offers pleasantry with its moderately declining temperatures. Rainfall rises to its yearly peak this month, marking it as the wettest month of the year. Weather in August »

Weather in September

September experiences temperatures varying from 64°F (17.8°C) to 83.8°F (28.8°C) in Broken Arrow, Oklahoma. With fall approaching, temperatures slightly cool down. Though rainfall declines from August's peak, it remains relatively high. Weather in September »

Weather in October

In October, Broken Arrow, Oklahoma, witnesses temperatures from 52.7°F (11.5°C) to 70.7°F (21.5°C). A distinct fall season spells the first real dip in temperatures after summer. The noticeable decline in daylight hours to 11.3 signifies the onset of shorter days. Weather in October »

Weather in November

November records temperatures ranging from 42.4°F (5.8°C) to 59.2°F (15.1°C) in Broken Arrow, Oklahoma. As temperatures continue to drop, residents prepare for the upcoming winter. Conclusively, the speed of the wind increases over October, making the outdoor weather colder. Weather in November »

Weather in December

December ranges from 34.3°F (1.3°C) to 48.6°F (9.2°C) in Broken Arrow, Oklahoma. It marks the onset of the cold season with the lowest temperatures of the year. Snow begins to fall again this month, covering the cityscape in a thin white blanket. Weather in December »
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January is the coldest month, exhibiting average temperatures of 46.4°F (8°C) at the peak and 31.5°F (-0.3°C) at the base.

What are the least humid months?

The months with the lowest humidity are January, August and October, with an average relative humidity of 68%.

What is the driest month?

The months with the least rainfall are January and February Rain falls for 6.2 days and accumulates 1.38" (35mm) of rain.

How many days does it rain?

Throughout the year, there are 131.3 rainfall days, and 29.84" (758mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through March, November and December.

How much does it snow?

In Broken Arrow, during the entire year, snow falls for 6.2 days and aggregates up to 3.35" (85mm) of snow.

When is the lowest UV index?

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

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 2.4 days and typically aggregates up to 1.5" (38mm) of snow.

When is Daylight Saving Time (DST)?

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.

When it does not snow?

April through October are months without snowfall.

What is the most humid month?

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

What is the wettest month?

May is the month with the most rainfall. Rain falls for 15.9 days and accumulates 5.16" (131mm) of precipitation.

When are the longest days?

June has the longest days of the year, with an average of 14h and 36min of daylight.

When is the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 7.

What are the warmest months?

July, known for its average high temperature of 91°F (32.8°C) and an average low temperature of 72.1°F (22.3°C), is the warmest month.

What is the month with the most sunshine?

July and August, with an average of 10.9h of sunshine, are months with the most sunshine.

What is the month with the shortest days?

With an average of 9h and 48min of daylight, December has the shortest days of the year.

What is the month with the least sunshine?

With an average of 5.6h of sunshine, December has the least sunshine of the year.
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Average temperature
Broken Arrow, OK

Average temperature - Broken Arrow, OK

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (46.4°F).

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure
Broken Arrow, OK

Average pressure - Broken Arrow, OK

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed
Broken Arrow, OK

Average wind speed - Broken Arrow, OK

The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).

Average humidity
Broken Arrow, OK

Average humidity - Broken Arrow, OK

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (68%).

Average rainfall
Broken Arrow, OK

Average rainfall - Broken Arrow, OK

The wettest month (with the highest rainfall) is May (5.16").
The driest months (with the least rainfall) are January and February (1.38").

Average rainfall days
Broken Arrow, OK

Average rainfall days - Broken Arrow, OK

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.2 days).

Average snowfall
Broken Arrow, OK

Average snowfall - Broken Arrow, OK

The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Broken Arrow, OK

Average snowfall days - Broken Arrow, OK

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Broken Arrow, OK

Average daylight / Average sunshine - Broken Arrow, OK

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days
Broken Arrow, OK

Average sunshine days - Broken Arrow, OK

The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (13.4 days).

Average UV index
Broken Arrow, OK

Average UV index - Broken Arrow, OK

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover
Broken Arrow, OK

Average cloud cover - Broken Arrow, OK

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility
Broken Arrow, OK

Average visibility - Broken Arrow, 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).

Broken Arrow, Oklahoma, USA

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