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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a frosty winter month in Sumner, Oklahoma, with an average temperature ranging between min 30.2°F (-1°C) and max 46.9°F (8.3°C). Sumner's temperature records reveal January as the coldest month, marked by average highs of 46.9°F (8.3°C) and lows of 30.2°F (-1°C). Weather in January »
Weather in February
February, the last month of the winter in Sumner, is a cool month, with an average temperature ranging between min 33.1°F (0.6°C) and max 50.2°F (10.1°C). February begins with an average high-temperature of a fresh 50.2°F (10.1°C), reflecting close similarity to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is an enjoyable month in Sumner, Oklahoma, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 43°F (6.1°C). The average high-temperature increases in March, moving from a cool 50.2°F (10.1°C) in February to a comfortable 61.7°F (16.5°C). Weather in March »
Weather in April
April in Sumner, Oklahoma, is an agreeable spring month, with an average temperature fluctuating between 69.4°F (20.8°C) and 50°F (10°C). The shift from March to April sees a slight increase in the average high-temperature, transitioning from a refreshing 61.7°F (16.5°C) to a pleasant 69.4°F (20.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Sumner, Oklahoma, with an average temperature varying between 77.5°F (25.3°C) and 59.2°F (15.1°C). A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a pleasant 69.4°F (20.8°C) in April to a moderately hot 77.5°F (25.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Sumner, Oklahoma, with an average temperature varying between 70°F (21.1°C) and 89.2°F (31.8°C). The shift into June is accompanied by a temperature increase, with the average high-temperature rising from a moderately hot 77.5°F (25.3°C) in May to a hot 89.2°F (31.8°C). Weather in June »
Weather in July
July, like June, is another tropical summer month in Sumner, Oklahoma, with an average temperature ranging between max 93.9°F (34.4°C) and min 73.4°F (23°C). July, with average temperatures reaching a high of 93.9°F (34.4°C) and a low of 73.4°F (23°C), is the warmest month. Throughout July, the heat index is computed to be a scorching 111.2°F (44°C). Weather in July »
Weather in August
August, the last month of the summer in Sumner, is another hot month, with an average temperature ranging between max 92.8°F (33.8°C) and min 71.2°F (21.8°C). With the advent of August, Sumner experiences an average high-temperature of a still hot 92.8°F (33.8°C), mirroring a close resemblance to the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Sumner, Oklahoma, with an average temperature fluctuating between 64.9°F (18.3°C) and 84.4°F (29.1°C). The shift from August to September includes a small decrease in the average high-temperature, from a hot 92.8°F (33.8°C) to a warm 84.4°F (29.1°C). Weather in September »
Weather in October
October, the same as September, in Sumner, Oklahoma, is an agreeable autumn month, with an average temperature fluctuating between 70.7°F (21.5°C) and 52.7°F (11.5°C). As September transitions to October, the average high-temperature falls from a moderately hot 84.4°F (29.1°C) to a pleasant 70.7°F (21.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Sumner, Oklahoma, with an average temperature ranging between min 41.4°F (5.2°C) and max 59.4°F (15.2°C). November is characterized by a reduction in the average high-temperature, from a pleasant 70.7°F (21.5°C) in October to a mild 59.4°F (15.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Sumner, Oklahoma, with an average temperature ranging between max 48.2°F (9°C) and min 32.5°F (0.3°C). Transition into December marks a drop in the average high-temperature, moving from a mild 59.4°F (15.2°C) in November to a frosty 48.2°F (9°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Sumner?
Sumner notes the coldest temperatures in January, with a average high of 46.9°F (8.3°C) and a low of 30.2°F (-1°C).
How much does it rain in Sumner?
Throughout the year, in Sumner, Oklahoma, there are 119.3 rainfall days, and 23.27" (591mm) of precipitation is accumulated.
When does it snow in Sumner?
January through March, November and December are months with snowfall.
How much does it snow in Sumner?
In Sumner, Oklahoma, during the entire year, snow falls for 7.8 days and aggregates up to 2.99" (76mm) of snow.
When does it snow the most in Sumner?
The month with the most snowfall is February, when snow falls for 2.8 days and typically aggregates up to 1.38" (35mm) of snow.
When is Daylight Saving Time (DST) in Sumner?
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 in Sumner?
In Sumner, snow does not fall in April through October.
What is the most humid month in Sumner?
The most humid month in Sumner is May, with an average relative humidity of 74%.
What is the wettest month in Sumner?
The month with the most rainfall is May, when the rain falls for 14.5 days and typically aggregates up to 4.21" (107mm) of precipitation.
When are the longest days in Sumner?
With an average of 14h and 36min of daylight, June has the longest days of the year in Sumner.
What are the months with the highest UV index in Sumner?
The months with the highest UV index in Sumner are June through August, with an average maximum UV index of 7.
What is the warmest month in Sumner?
July is the warmest month in Sumner, with an average high-temperature of 93.9°F (34.4°C) and an average low-temperature of 73.4°F (23°C).
What is the least humid month in Sumner?
With an average relative humidity of 61%, August is the least humid month.
What month has the most sunshine in Sumner?
With an average of 11.3h of sunshine, August has the most sunshine of the year.
What is the driest month in Sumner?
December is the month with the least rainfall in Sumner. Rain falls for 5.5 days and accumulates 0.83" (21mm) of precipitation.
What is the month with the shortest days in Sumner?
December has the shortest days of the year in Sumner, Oklahoma, with an average of 9h and 42min of daylight.
What is the month with the least sunshine in Sumner?
December has the least sunshine of the year, with an average of 6.1h of sunshine.
When is the lowest UV index in Sumner?
December is the month with the lowest UV index, with an average maximum UV index of 2.
Average temperature
Sumner, OK
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (46.9°F).
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure
Sumner, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"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 (29.87"Hg).
Average wind speed
Sumner, OK
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11.4mph - Average wind speed in April:
11.6mph - Average wind speed in May:
10mph - Average wind speed in June:
9.9mph
- Average wind speed in July:
8.6mph - Average wind speed in August:
8.3mph - Average wind speed in September:
8.7mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.6mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity
Sumner, OK
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (61%).
Average rainfall
Sumner, OK
- Average rainfall in January:
0.94" - Average rainfall in February:
1.02" - Average rainfall in March:
1.57" - Average rainfall in April:
2.64" - Average rainfall in May:
4.21" - Average rainfall in June:
1.77"
- Average rainfall in July:
1.89" - Average rainfall in August:
2.32" - Average rainfall in September:
2.52" - Average rainfall in October:
2.68" - Average rainfall in November:
0.87" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days
Sumner, OK
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
14.5 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
12.5 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
6.4 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.2 days).
Average snowfall
Sumner, OK
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Sumner, OK
- Average snowfall days in January:
2.2 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
0.8 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:
1.4 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Sumner, OK
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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:
6h and 2min - Average sunshine in February:
7h and 2min - Average sunshine in March:
7h and 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
11h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 2min - Average sunshine in December:
6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days
Sumner, OK
- Average sunshine days in January:
23.3 days - Average sunshine days in February:
19.3 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
15 days - Average sunshine days in May:
13.9 days - Average sunshine days in June:
16.7 days
- Average sunshine days in July:
16.3 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
23.4 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (13.9 days).
Average UV index
Sumner, 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
Sumner, OK
The month with the most cloud cover is March (Cloud cover 37).
The months with the least cloud cover are June and August (Cloud cover 19).
Average visibility
Sumner, 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).
Sumner, Oklahoma, USA
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