Climate and monthly weather forecastBartlesville, OK
Climate and monthly weather forecast
The climate of Bartlesville
Bartlesville, Oklahoma, USA, rests in the climatic region classified as Humid subtropical according to the Köppen climate classification, designated as "Cfa". Geographically situated in North America, Bartlesville lies in a zone which experiences no dry season.Throughout the year, Bartlesville experiences a wide range of temperatures. Higher temperatures trend from 45.1°F (7.3°C) in January to a high of 90.5°F (32.5°C) in July. Conversely, lower temperatures range from a chilly 29.3°F (-1.5°C) in January to a milder 71.2°F (21.8°C) in July. It’s a gradual rise and fall which means there's a gradual change over the seasons with respect to temperature.
In terms of precipitation, Bartlesville shows quite the variance. Rainfall ranges from a low of 1.1" (28mm) in January to as high as 5.08" (129mm) in May. The seasonality of this rainfall is accompanied by a similar pattern in the number of rainy days experienced; these range from 5.8 days in January to 15.6 days in May.
Another distinguishing climatic feature of Bartlesville is its humidity. The relative humidity varies slightly between 68% and 80% during the year. This reflects a fairly constant level of moisture in the air across the months.
The best time to visit Bartlesville
When considering the best time to visit Bartlesville, one must hold in mind the desired weather conditions. A good time to plan a visit is between May and July when temperatures range from 75.2°F (24°C) to 90.5°F (32.5°C). In these months, one would experience long daylight hours - from 14.1 hours to 14.6 hours - and the maximum sunshine hours, spanning from 8.7 hours to 10.9 hours.The worst time to visit Bartlesville
The city’s weather conditions between December and February could be less welcoming for visitors. With temperatures falling between 29.3°F (-1.5°C) and 48.6°F (9.2°C) and daylight hours restricting to between 9.7 hours and 10.9 hours these months could be less suitable for outdoor activities. In addition, snowfall is experienced in the months of December and January, with December experiencing a maximum of 1.5 snowfall days.Spring weather in Bartlesville
Spring weather in Bartlesville, running from March to May, witnesses a transition from cooler to warmer temperatures. The average high temperature rises substantially from 59.9°F (15.5°C) to 75.2°F (24°C), while lows move up from 42.4°F (5.8°C) to 58.3°F (14.6°C). Spring is also the start of Bartlesville's rainy season, with rainfall increasing from 2.17" (55mm) in March to a peak of 5.08" (129mm) in May.Summer weather in Bartlesville
Summer in Bartlesville, spanning June to August, is characterized by the highest temperatures and daylight hours of the year. Average high temperatures reach 90.5°F (32.5°C) in July, while average lows plateau at around 68.9°F (20.5°C) in August. These months also witness ample sunshine, ranging from 10.5 hours in June to 10.8 hours in August.Autumn weather in Bartlesville
Autumn, experienced between September and November in Bartlesville, sketches a drastic fall in temperatures from summer. The average high temperature drops from 82°F (27.8°C) in September to 57.7°F (14.3°C) in November, while the average low falls from 62.8°F (17.1°C) to 40.8°F (4.9°C) in November. Rainfall during this period shows a different trend, peaking in September at 3.23" (82mm) before dropping to 1.02" (26mm) in November.Winter weather in Bartlesville
Winter weather in Bartlesville, which falls between December and February, records the coolest temperatures of the year. The average high temperature varies from 47.3°F (8.5°C) to 45.1°F (7.3°C), and the average low dips to just 29.3°F (-1.5°C) in January. Rainfall and snowfall also mark the winter months. December experiences a peak of 1.1" (28mm) of rainfall and 1.5 snowfall days.Weather in January
Well into the winter season, January in Bartlesville, Oklahoma, sees weather that can often be characterized as chilly. The days are shorter, the precious hours of daylight amounting to a mere 10 hours. Unsurprisingly, the city experiences a significant amount of snowfall, with only 2.2 days within the month graced with this frozen marvel. Weather in January »Weather in February
February progresses into Bartlesville, introducing a mild increase in both temperature and precipitation. Relative humidity levels also start to escalate, signifying a moisture-rich atmosphere. Bartlesville residents find themselves basking in the sun a little longer as daylight hours increase to 10.9 hours. Weather in February »Weather in March
March invites Bartlesville into a transition phase, from Winter's cold grip to the welcoming warmth of Spring. Precipitation sees an impressive rise, marking March as the start of the rainier part of the year. Significantly, this month presents 2.17" (55mm) of rainfall, more than the average across all months. Weather in March »Weather in April
April ushers in the warm spring season in Bartlesville, characterized by moderate rainfall and temperature conditions. As the city advances towards warmer months, there is an observable increase in humidity. Fourteen point seven days in April record rainfall, progressively preparing the vegetation for the summer sizzle. Weather in April »Weather in May
May is a liminal period in Bartlesville as it starts to straddle between Spring's end and Summer's onset. Surprisingly, it records the highest rainfall in the year, averaging 5.08" (129mm). The gradual increase in temperature and sunlight hours caters to a more outdoor-oriented routine. Weather in May »Weather in June
June brings the prevailing heat of summer to Bartlesville, exhibiting a noticeable hike in temperature levels. The daylight period extends to a generous 14.6 hours, accommodating more sun-soaked outdoor activities. A persistent increase in temperature during this month creates a definitive shift towards the summer landscape. Weather in June »Weather in July
July is the zenith of the hot season in Bartlesville, hitting the peak of summer with soaring temperatures. The increased number of daylight hours reaches its apex at 14.4 hours. Interestingly, July clocks in as the month with the greatest UV index, at a significant 7. Weather in July »Weather in August
August navigates the summer heat in Bartlesville, maintaining high temperatures and clear skies. The characteristic summer heat continues unabated, recreating the warmth of the previous month. Despite the peak summer conditions, the rainfall inches up to a slightly higher 3.78" (96mm), providing occasional relief. Weather in August »Weather in September
September marks the retreat of summer, with hints of Fall peeping through in Bartlesville. The average temperature begins to decline, indicating an impending shift towards the cooler months. While rainfall remains normatively average at 2.83" (72mm), this month steps back from the elevated summer figures. Weather in September »Weather in October
October reignites Bartlesville's transition towards cooler temperatures and shorter days. The city basks in a symphony of autumn hues, with weather conditions taking a generous turn towards comfort. Slight increments in cloud cover create dramatic skies, heralding the approaching winter. Weather in October »Weather in November
November welcomes the return of cold weather to Bartlesville, converting the last vestiges of Fall into early Winter. This month marks lower temperature values and reduced hours of sunlight. Intriguingly, November manages to hold onto a fair amount of sunshine, averaging 6 hours a day. Weather in November »Weather in December
December ushers in the winter season in Bartlesville, commanding respect with chilly temperatures and limited daylight. Dense cloud cover takes over the sky, lending a wintry touch to the city’s appearance. The noticeably reduced daylight dwindles to a sparse 9.7 hours, quickening the arrival of darker evenings. Weather in December »Updated: Jul 31, 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
In Bartlesville, January registers the lowest temperatures, averaging 45.1°F (7.3°C) at the peak and 29.3°F (-1.5°C) at the lowest.
January, October and November, with an average relative humidity of 68%, are the least humid months.
In Bartlesville, during the entire year, the rain falls for 131.6 days and collects up to 29.06" (738mm) of precipitation.
January through March, November and December are months with snowfall.
Throughout the year, there are 7.2 snowfall days, and 3.11" (79mm) of snow is accumulated.
The months with the least sunshine are January and December, with an average of 5.8h of sunshine.
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 2.4 days and typically aggregates up to 1.34" (34mm) 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.
In Bartlesville, snow does not fall in April through October.
May is the most humid month, with an average relative humidity of 80%.
The month with the most rainfall is May, when the rain falls for 15.6 days and typically aggregates up to 5.08" (129mm) of precipitation.
June has the longest days of the year, with an average of 14h and 36min of daylight.
June and July, with an average maximum UV index of 7, are months with the highest UV index.
Bartlesville records the warmest temperatures in July, averaging a high of 90.5°F (32.5°C) and a low of 71.2°F (21.8°C).
With an average of 10.9h of sunshine, July has the most sunshine of the year.
November is the month with the least rainfall. Rain falls for 7.7 days and accumulates 1.02" (26mm) of precipitation.
With an average of 9h and 42min of daylight, December has the shortest days of the year.
Average temperature
Bartlesville, OK
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (45.1°F).
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure
Bartlesville, 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:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.89"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:
30.1"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
Bartlesville, OK
- Average wind speed in January:
9.8mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10.9mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.2mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.1mph - 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 (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity
Bartlesville, OK
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, October and November (68%).
Average rainfall
Bartlesville, OK
- Average rainfall in January:
1.1" - Average rainfall in February:
1.18" - Average rainfall in March:
2.17" - Average rainfall in April:
2.99" - Average rainfall in May:
5.08" - Average rainfall in June:
1.97"
The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days
Bartlesville, OK
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
7.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
12 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
6.1 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
Bartlesville, OK
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Bartlesville, OK
- Average snowfall days in January:
2.2 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
0.7 days - Average snowfall days in April:
0 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:
1.5 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Bartlesville, 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 12min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
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 42min).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
6h and 30min - Average sunshine in March:
7h and 0min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
6h and 30min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days
Bartlesville, OK
- Average sunshine days in January:
22.5 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
21.1 days - Average sunshine days in December:
22.2 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (13.3 days).
Average UV index
Bartlesville, 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
Bartlesville, OK
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility
Bartlesville, 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).
