Climate and monthly weather forecastOkmulgee, OK
Climate and monthly weather forecast
The climate of Okmulgee
Humid subtropical conditions define the predominant climate of Okmulgee, Oklahoma, according to the Köppen climate classification. Summer temperatures peak at 91.6°F (33.1°C) in August, with the heat extending into early fall. In contrast, Winter lows can drop to 31.6°F (-0.2°C) in January, consolidating the city's position in Climate Zone Cfa: Humid subtropical, no dry season.Throughout the twelve months, the extent of annual rainfall sits within a narrow range from 1.46" (37mm) in February to 5" (127mm) in May. Relative humidity data also presents an equivalent trend, hovering around 70%, cementing the humid subtropical label. Furthermore, it shows minor increases during late spring and early summer, scaling up to 80% in May.
The status of sunshine hours throughout the year echoes the conventional pattern across the region. They reach a maximum of 11 hours in August but reduce to an annual low of 5.6 hours in February. Therefore, Okmulgee experiences a moderate UV index range from 2 to 7, scaling to its peak in the sunny summer months.
Unique weather patterns have been recognized in Okmulgee's climate graph. Although a dry season is not formally declared, May heralds the beginning of a slight decline in rainfall which trails off by August, providing a relatively lesser rainy period. Weather conditions in Okmulgee feature scant snowfall, primarily occurring from January to March. Furthermore, the city sees the wind pick up pace in March, reaching an average speed of 10.6mph (17.1km/h).
The best time to visit Okmulgee
The months from April to June remain the top choice to visit Okmulgee. The period brings spring into its full bloom with mild temperatures, abundant sunshine hours, and a manageable humidity level. These months offer a comfortable stay, with maximum temperatures merely touching the early 70s°F. Visitors can take advantage of a fair amount of sunshine, approximately 8.1 to 8.5 hours daily, ideal for outdoor activities.The worst time to visit Okmulgee
In general, August could pose some challenges for visitors. As the city experiences its highest temperature of the year, 91.6°F (33.1°C), coupled with significant humidity levels, it may not be inviting for travelers looking for a comfortable stay. Even though the city experiences an average of 11 sunshine hours daily, the oppressive heat and humidity might limit outdoor activities.Spring weather in Okmulgee
Welcoming the arrival of Spring, Okmulgee gradually elevates its average temperatures from 62.2°F (16.8°C) in March to 76.5°F (24.7°C) in May. The early Spring showers introduce moderate rainfall, averaging 2.64" (67mm) in March and peaking at 5" (127mm) in May. The increase in rainfall coincides with heightened relative humidity, recording an increase from 71% to 80% over the same period. Visitors in Spring can enjoy approximately 6.8 to 8.5 hours of daily sunshine.Summer weather in Okmulgee
Summer in Okmulgee begins with the approaching warmth of June, as temperatures rocket from 76.5°F (24.7°C) in May to 86.9°F (30.5°C) in June. The hot weather soars to its zenith in July and August when temperatures reach up to 91.4°F (33°C) and 91.6°F (33.1°C), respectively. Rainfall slightly declines but remains significant, averaging from 2.24" (57mm) in June to 2.83" (72mm) in August. Despite the heat, visitors can enjoy the longest daylight hours of the season, averaging 14.5 hours in June.Autumn weather in Okmulgee
Autumn brings a mellow tone to Okmulgee's weather. September still exhibits a trace of summer heat with an average high of 84.2°F (29°C). However, by October and November, the temperature regulates between 71.2°F (21.8°C) and 59.7°F (15.4°C), respectively. Rainfall presents a gentle increase, marking the highest for autumn at 3.35" (85mm) in October. While daylight hours decline progressively, the city still receives an average of 6.4 to 8.8 hours of sunlight daily.Winter weather in Okmulgee
Winter ushers in the coldest months with low temperatures plummeting to 31.6°F (-0.2°C) in January. The chill maintains its grip throughout February as the low temperature stands at 35.1°F (1.7°C). Though rainfall reduces to an average of 1.61" (41mm) in December and January, with a slight increase to 1.46" (37mm) in February, Okmulgee sees the occurrence of snowfall predominantly during these months. With 0.83" (21mm) in December, 1.73" (44mm) in January, and 0.35" (9mm) in February, the snow could prove to be a thrilling spectacle for visitors.Weather in January
January in Okmulgee, Oklahoma brings chilly temperatures, with wet and often cloudy conditions dominating the weather landscape. Typical for winter, snowfall is present but not overly significant, and the days are the shortest of the year, with limited daylight and sunshine hours. Weather in January »Weather in February
The city transforms in February with a noticeable warming trend though temperatures remain reasonably low, while the chance of snowfall drops significantly. Precipitation takes the form of rainfall for the greater part, and overall humidity rises as well. Weather in February »Weather in March
The weather of March in Okmulgee marks the outset of the spring season, with temperatures on the rise. The change in season means longer daylight intervals, greater sunshine, and a slight drop in relative humidity. March brings in a significant increase in rainfall, but with the warming temperatures, the possibility of snowfall nearly diminishes. Weather in March »Weather in April
Signifying the heart of spring, April carries forward the warming trend with a substantial rise in temperature. Rainfall remains relatively elevated but not extraordinarily so, and the day offers increased sunshine hours. Gone are the days of ensuing snowfall; instead, nature celebrates bountiful spring weather, where the UV index swiftly elevates. Weather in April »Weather in May
The arrival of May brings distinctive summer-like weather conditions. With the significant surge in temperature, the humidity level also follows, while longer days make for augmented daylight and sunshine hours. Rainfall also escalates, resulting in wetter conditions accompanied by a heightened UV index that recalls the need for sun protection. Weather in May »Weather in June
Journeying further into the pith of summer, June in Okmulgee sees one of the most notable shifts in the weather. A significant rise in temperature is accompanied by the year’s longest daylight hours, making for a particularly sun-drenched month. Weather in June »Weather in July
July, being the height of summer, sees the hottest weather in Okmulgee. A substantial reduction in cloud cover ensures relentless sunshine, invoking the need for optimal hydration and sun protection. Despite the scorching heat, rainfall remains reasonably high but does significantly lessen from the previous month, alongside a slight drop in wind speed. Weather in July »Weather in August
The weather of August in Okmulgee, Oklahoma sees minor changes. The sweltering summer arousal begins to subside with a dip in temperature, although it remains notably hot. Alongside, a slight drop in rainfall and wind speed also transpires. Weather in August »Weather in September
September’s arrival in Okmulgee brings a palpable transition toward cooler weather. The significant drop in temperature, reducing rainfall, and the advancing shortening of daylight hours mark an end to the summer heatwave. Humidity and cloud cover also drop slightly, hinting a shift toward drier conditions. Weather in September »Weather in October
The heart of fall lies in October, where Okmulgee sees a more substantial reduction in temperature. While the rainfall remains relatively stable, significant shortening of daylight hours along with a reduced UV Index indicates the sun’s retreat. Weather in October »Weather in November
With the arrival of November, temperatures plunge in Okmulgee, signaling the onset of a colder season. Reduced daylight and sunshine hours, along with a low UV index, emphasize the shortening of days. Cloud cover and humidity levels go through minor changes, even as rainfall reduces. Weather in November »Weather in December
In December, Okmulgee, Oklahoma, is immersed in the depth of winter with the coldest temperatures of the year. The shortened daylight hours contrast markedly with the lengthened nights, and Okmulgee sees the most limited sunshine in a day. Weather in December »Updated: Aug 27, 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
Okmulgee records the coldest temperatures in January, averaging a high of 47.7°F (8.7°C) and a low of 31.6°F (-0.2°C).
Throughout the year, there are 136.7 rainfall days, and 30.67" (779mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
Throughout the year, there are 6.1 snowfall days, and 3.7" (94mm) of snow is accumulated.
February is the month with the least rainfall. Rain falls for 8.8 days and accumulates 1.46" (37mm) of precipitation.
The month with the most snowfall is February, when snow falls for 2.2 days and typically aggregates up to 1.73" (44mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Okmulgee, 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.
The most humid month is May, with an average relative humidity of 80%.
May is the month with the most rainfall. Rain falls for 15.5 days and accumulates 5" (127mm) of precipitation.
May through October are months without snowfall.
June has the longest days of the year, with an average of 14h and 30min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 7.
The warmest period tends to be August, when average temperatures fluctuate between a high of 91.6°F (33.1°C) and a low of 71.1°F (21.7°C).
With an average relative humidity of 66%, August is the least humid month.
With an average of 11h of sunshine, August has the most sunshine of the year.
December has the shortest days of the year, with an average of 9h and 48min of daylight.
With an average of 5.6h of sunshine, December has the least sunshine of the year.
With an average maximum UV index of 2, December is the month with the lowest UV index.
Average temperature
Okmulgee, OK
The warmest month (with the highest average high temperature) is August (91.6°F).
The month with the lowest average high temperature is January (47.7°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 (31.6°F).
Average pressure
Okmulgee, 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
Okmulgee, OK
- Average wind speed in January:
9.8mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8mph
- Average wind speed in July:
7mph - Average wind speed in August:
7mph - Average wind speed in September:
7.2mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.2mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Okmulgee, OK
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (66%).
Average rainfall
Okmulgee, OK
- Average rainfall in January:
1.61" - Average rainfall in February:
1.46" - Average rainfall in March:
2.64" - Average rainfall in April:
2.83" - Average rainfall in May:
5" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.83" - Average rainfall in September:
2.87" - Average rainfall in October:
3.35" - Average rainfall in November:
1.65" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days
Okmulgee, OK
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
12.3 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (6.4 days).
Average snowfall
Okmulgee, OK
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Okmulgee, OK
- Average snowfall days in January:
1.5 days - Average snowfall days in February:
2.2 days - Average snowfall days in March:
0.5 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:
0.4 days - Average snowfall days in December:
1.4 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Okmulgee, 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 6min - Average daylight in June:
14h and 30min
- 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 30min).
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 30min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 30min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
11h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days
Okmulgee, OK
- Average sunshine days in January:
21.9 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
15.5 days
- Average sunshine days in July:
16 days - Average sunshine days in August:
16.7 days - Average sunshine days in September:
16 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
20 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is May (13.1 days).
Average UV index
Okmulgee, 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
Okmulgee, OK
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Okmulgee, 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).
