Climate and monthly weather forecastBroken Arrow, OK
Climate and monthly weather forecast
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 »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.99"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 (29.9"Hg).
Average wind speed
Broken Arrow, OK
- Average wind speed in January:
9.8mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.7mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7mph - Average wind speed in August:
7.1mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.3mph
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
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 in January:
1.38" - Average rainfall in February:
1.38" - Average rainfall in March:
2.56" - Average rainfall in April:
2.6" - Average rainfall in May:
5.16" - Average rainfall in June:
1.97"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.99" - Average rainfall in September:
3.23" - Average rainfall in October:
3.19" - Average rainfall in November:
1.5" - Average rainfall in December:
1.46"
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 in January:
6.2 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
14 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
11.4 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
7.1 days
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
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 in January:
1.7 days - Average snowfall days in February:
2.4 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:
0.9 days
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 in January:
10h and 0min - 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 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - 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 48min
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).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
6h and 24min - 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 36min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 54min - Average sunshine in September:
8h and 54min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 36min
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 in January:
21.7 days - Average sunshine days in February:
16.4 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
16.1 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
17.8 days - Average sunshine days in November:
21.2 days - Average sunshine days in December:
22 days
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
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
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
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).





