Climate and monthly weather forecast
Sapulpa, OK

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The climate of Sapulpa

Located in the heartland of the U.S., Sapulpa, Oklahoma, follows the Köppen climate classification of Cfa, a Humid subtropical, no dry season category. This generally indicates a region with high temperatures and evenly distributed rainfall throughout the year.

A detailed analysis of weather parameters in Sapulpa reveals a year-round climate pattern. High temperatures range from a mild 46.6°F (8.1°C) in January to a sweltering 91.6°F (33.1°C) in July. In contrast, low temperatures typically range from a chilly 31.5°F (-0.3°C) in January to a warm 72.3°F (22.4°C) in July. Average humidity stays fairly steady between 67% to 80%, indicating a typically moist atmosphere.

Rainfall in Sapulpa is substantial, with the wettest month being May, which records an average of 5.08" (129mm) of rainfall. In contrast, the driest month is January, with an average rainfall of 1.26" (32mm). The town experiences rainfall throughout the year, with the frequency of rainfall days ranging from 6 days in January to 15.8 days in May.

Lastly, conditions in Sapulpa can present varied conditions. Snowfall, while not a common occurrence, does show up in weather reports, particularly from November to February. This, combined with the relatively consistent cloud cover (ranging from 21% in August to 41% in March), can lead to a wide range of experiences for the inhabitants and visitors of Sapulpa.

The best time to visit Sapulpa

Ideal weather conditions often coincide with a balance between temperature, rainfall, and overall weather stability. In Sapulpa, the months from April to June offer such a combination. With temperatures ranging from 61.5°F (16.4°C) to 86.5°F (30.3°C), and average rainfall from 2.32" (59mm) to 5.08" (129mm), these months allow for a broad range of outdoor activities. Additionally, daylight hours reaching up to 14.6 hours in June and a maximum UV index of 7 in June provide ample opportunity for visitors to explore the attractions of Sapulpa in the light of day.

The worst time to visit Sapulpa

The colder months from November to February could be termed as less ideal for visiting Sapulpa. With low temperatures reaching 31.5°F (-0.3°C) in January, these months exhibit a colder climate. Rainfall averages can also reach up to 1.46" (37mm) during these months, combined with minimal daylight hours of 9.8 hours in December and a low UV index of 2, making for potentially less pleasant experiences, especially for those seeking outdoor adventures.

Spring weather in Sapulpa

Spring, extending from March to May, introduces a warmer climate to Sapulpa. During this period, average high temperatures range from 61.5°F (16.4°C) in March to 75.9°F (24.4°C) in May. Concurrently, low temperatures vary between 44.2°F (6.8°C) and 59.5°F (15.3°C). Average rainfall increases throughout spring, from 2.32" (59mm) in March to a peak of 5.08" (129mm) in May. While there is a notable increase in rainfall, daylight hours also increase, offering more opportunity to partake in outdoor activities.

Summer weather in Sapulpa

The summer months from June to August elevate temperatures in Sapulpa with high temperatures peaking at 91.6°F (33.1°C) in July. Low temperatures hover between 69.3°F (20.7°C) to 72.3°F (22.4°C). Though July receives 2.56" (65mm) of rainfall, August is generally drier with only 2.91" (74mm). Additionally, sunlight hours are notably longer during this period, averaging between 14.3 to 14.6 hours, creating a warm, sun-bathed atmosphere that resonates with the ideal summer.

Autumn weather in Sapulpa

The autumn months of September through November see a gradual drop in temperatures. High temperatures fall from 83.5°F (28.6°C) in September to 59.5°F (15.3°C) in November. Similarly, low temperatures dip from 64°F (17.8°C) to 42.6°F (5.9°C). Rainfall becomes less frequent from September's high of 3.39" (86mm) to a low of 1.46" (37mm) in November, signaling the arrival of the drier part of the year.

Winter weather in Sapulpa

Winter in Sapulpa is experienced from December to February. During this season, high temperatures fluctuate between 46.6°F (8.1°C) and 50.5°F (10.3°C). Low temperatures, on the other hand, are generally colder, varying from 31.5°F (-0.3°C) to 34.3°F (1.3°C). Sapulpa's winters also bring a sporadic snowfall, averaging to 0.98" (25mm) in December and 1.18" (30mm) in January. The short daylight hours of 9.8 in December cast a wintry calmness that concludes the year in Sapulpa.

Weather in January

January in Sapulpa, Oklahoma, is the coldest month of the year, characterized by a slightly lower amount of sunlight hours, and humidity levels relatively high. Snowfall is an uncommon visitor, but it still graces the city occasionally. Weather in January »

Weather in February

Sapulpa witnesses a slow ascent of warmth in February, with conditions becoming a little wetter than in the previous months. The month has a marginally greater degree of sunshine, which contributes to the gradual climb in temperature. Weather in February »

Weather in March

While March signals the commencement of spring in Sapulpa, it does not immediately translate into abundant sunshine. Rainfall measurements reveal that this month sees precipitation of up to 2.32" (59mm), making it one of the wetter periods in the city's annual weather cycle. Weather in March »

Weather in April

The thaw of winter continues to relinquish its hold over Sapulpa in April, making a further tilt towards warmer days. The temperatures trend upwards, daylight hours increase, and the degree of rainfall amplifies, as conditions take on a more summery outlook. Weather in April »

Weather in May

May in Sapulpa witnesses a sharp rise in temperatures, rainfall, and a concomitant increase in humidity levels. The most significant characteristic of May weather is its high rainfall, with the precipitation levels hitting a high of 5.08" (129mm). Weather in May »

Weather in June

Welcoming the dawn of summer in Sapulpa, June is characterized by an ascend to the height of heat and humidity. While the temperature often sits in the higher range, it does not reach the maximum that July holds. Notable for long hours of sunlight, June paves the way for pleasantly warm and long days. Weather in June »

Weather in July

July is the peak of the summer season in Sapulpa, distinguished by maximum temperatures and shorter wind gusts. It stands out with its notably high temperature, reaching up to 91.6°F (33.1°C). Humidity keeps a steady hold over the city, which can lead to the summer days feeling warmer than they are. Weather in July »

Weather in August

August is another hot month on the Sapulpa weather calendar, with high temperatures and steady humidity levels often leading to sultry conditions. Despite the consistent heat, it does not surpass the sizzling temperatures of July. Weather in August »

Weather in September

Signifying the onset of autumn, September in Sapulpa is characterized by a notable decrease in temperature and an increase in cloud formation. Relative humidity remains fairly high, creating a particularly moist atmosphere. The UV index drops from 7 to 5, reducing the risk of harmful ultraviolet radiation. Weather in September »

Weather in October

October sees Sapulpa transition into the heart of autumn, with evident changes in weather patterns. Tremendous declines in temperature, reduction in daylight hours, and the initiation of infrequent rainfall make for pleasantly crisp autumnal weather. Weather in October »

Weather in November

November in Sapulpa is significant for its rapid temperature decline and abbreviated sunshine hours. The UV index reduction to 3 indicates safer sun radiation levels. The increased wind speed, with gusts reaching up to 16.3mph (26.2km/h), adds to the nippy feeling of the month. Weather in November »

Weather in December

Sapulpa’s winter arrives in earnest in December, characterized by plummeting temperatures, shorter days, and a relative increase in snowfall. By mid-December, occasional snowfall begins to paint the landscape, with recorded snow height reaching up to 0.2" (5mm). Weather in December »
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

In Sapulpa, Oklahoma, the average lowest temperatures are observed in January, with a high of 46.6°F (8.1°C) and a low of 31.5°F (-0.3°C).

What are the least humid months?

The months with the lowest humidity are January, August and October, with an average relative humidity of 67%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 6 days and accumulates 1.26" (32mm) of precipitation.

How much does it rain in Sapulpa?

In Sapulpa, during the entire year, the rain falls for 129 days and collects up to 29.41" (747mm) of precipitation.

When does it snow?

January, February, November and December are months with snowfall.

How many days does it snow?

In Sapulpa, during the entire year, snow falls for 5.2 days and aggregates up to 2.52" (64mm) of snow.

What are the months with the lowest UV index?

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

When does it snow the most?

February is the month with the most snowfall. Snow falls for 2.2 days and accumulates 1.18" (30mm) of snow.

When it does not snow?

In Sapulpa, Oklahoma, snow does not fall in March through October.

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.

What is the most humid month?

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

What is the wettest month in Sapulpa?

The month with the most rainfall is May, when the rain falls for 15.8 days and typically aggregates up to 5.08" (129mm) of precipitation.

When are the longest days?

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

What is the month with the highest UV index?

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

What month is the hottest?

The warmest time of the year is July, with temperatures averaging a high of 91.6°F (33.1°C) and a low of 72.3°F (22.4°C).

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?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

What is the month with the least sunshine?

With an average of 5.6h of sunshine, December has the least sunshine of the year.

Average temperature
Sapulpa, OK

Average temperature - Sapulpa, OK

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (46.6°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 (31.5°F).

Average pressure
Sapulpa, OK

Average pressure - Sapulpa, OK

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
Sapulpa, OK

Average wind speed - Sapulpa, OK

The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity
Sapulpa, OK

Average humidity - Sapulpa, OK

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (67%).

Average rainfall
Sapulpa, OK

Average rainfall - Sapulpa, OK

The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days
Sapulpa, OK

Average rainfall days - Sapulpa, OK

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6 days).

Average snowfall
Sapulpa, OK

Average snowfall - Sapulpa, OK

The month with the highest snowfall is February (1.18").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days
Sapulpa, OK

Average snowfall days - Sapulpa, OK

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
Sapulpa, OK

Average daylight / Average sunshine - Sapulpa, 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
Sapulpa, OK

Average sunshine days - Sapulpa, OK

The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (14.2 days).

Average UV index
Sapulpa, OK

Average UV index - Sapulpa, OK

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

Average visibility
Sapulpa, OK

Average visibility - Sapulpa, 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).

Sapulpa, Oklahoma, USA

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