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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, the same as December, in Jefferson, Oklahoma, is a frosty winter month, with temperature in the range of an average low of 29.5°F (-1.4°C) and an average high of 47.1°F (8.4°C). Jefferson's January weather, marked by an average high temperature of 47.1°F (8.4°C) and an average low temperature of 29.5°F (-1.4°C), is the coldest in the year. Weather in January »
Weather in February
The last month of the winter, February, is a cool month in Jefferson, Oklahoma, with temperature in the range of an average high of 50°F (10°C) and an average low of 32.5°F (0.3°C). The advent of February brings an average high-temperature of a fresh 50°F (10°C), almost identical to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is an enjoyable month in Jefferson, Oklahoma, with an average temperature varying between 61.3°F (16.3°C) and 42.4°F (5.8°C). In Jefferson, stepping into March brings a temperature increase, moving up from February's cool 50°F (10°C) to a comfortable 61.3°F (16.3°C). Weather in March »
Weather in April
April is a pleasant spring month in Jefferson, Oklahoma, with an average temperature varying between 69.3°F (20.7°C) and 48.9°F (9.4°C). Observing a slight rise in April, the average high-temperature shifts from March's enjoyable 61.3°F (16.3°C) to an agreeable 69.3°F (20.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Jefferson, Oklahoma, with an average temperature fluctuating between 59.2°F (15.1°C) and 78.3°F (25.7°C). The start of May brings a shift in the average high-temperature, increasing from April's pleasant 69.3°F (20.7°C) to a warm 78.3°F (25.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Jefferson, Oklahoma, with temperature in the range of an average low of 71.2°F (21.8°C) and an average high of 91°F (32.8°C). June sees a temperature increase, moving from a warm 78.3°F (25.7°C) in May to a tropical 91°F (32.8°C). Weather in June »
Weather in July
July is a fiery hot summer month in Jefferson, Oklahoma, with temperature in the range of an average low of 74.8°F (23.8°C) and an average high of 95°F (35°C). Jefferson's July weather reaches an average high of 95°F (35°C) and an average low of 74.8°F (23.8°C), making it the warmest month. During July, the heat index is calculated to be a scorching 109.4°F (43°C). Weather in July »
Weather in August
August, the last month of the summer in Jefferson, is also a hot month, with an average temperature varying between 72.9°F (22.7°C) and 93.4°F (34.1°C). The initiation of August records an average high-temperature of a hot 93.4°F (34.1°C), displaying a near consistency with the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Jefferson, is also a moderately hot month, with an average temperature fluctuating between 66.2°F (19°C) and 84.9°F (29.4°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a tropical 93.4°F (34.1°C) in August to a warm 84.9°F (29.4°C). Weather in September »
Weather in October
October, like September, is another pleasant autumn month in Jefferson, Oklahoma, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 70.2°F (21.2°C). Jefferson's weather in October is marked by a clear decrease in the average high-temperature, moving down from September's warm 84.9°F (29.4°C) to an agreeable 70.2°F (21.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Jefferson, Oklahoma, with an average temperature varying between 40.3°F (4.6°C) and 58.6°F (14.8°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from an agreeable 70.2°F (21.2°C) in October to a moderate 58.6°F (14.8°C). Weather in November »
Weather in December
December, the first month of the winter in Jefferson, is also a frosty month, with an average temperature ranging between min 30.9°F (-0.6°C) and max 47.7°F (8.7°C). With the onset of December, Jefferson's average high-temperature adjusts, receding from November's mild 58.6°F (14.8°C) to a chilly 47.7°F (8.7°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Jefferson?
The coldest month is January, with an average high-temperature of 47.1°F (8.4°C) and an average low-temperature of 29.5°F (-1.4°C).
How many days does it rain in Jefferson?
In Jefferson, Oklahoma, during the entire year, the rain falls for 115 days and collects up to 21.5" (546mm) of precipitation.
When does it snow in Jefferson?
January through April, October through December are months with snowfall in Jefferson.
How many days does it snow in Jefferson?
Throughout the year, there are 10.5 snowfall days, and 4.02" (102mm) of snow is accumulated.
What is the snowiest month in Jefferson?
February is the month with the most snowfall. Snow falls for 3.3 days and accumulates 1.5" (38mm) of snow.
When is Daylight Saving Time (DST) in Jefferson?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Jefferson, Oklahoma, 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 in Jefferson?
May is the most humid month in Jefferson, with an average relative humidity of 69%.
What is the rainiest month in Jefferson?
May is the month with the most rainfall. Rain falls for 14.8 days and accumulates 4.09" (104mm) of precipitation.
When it does not snow in Jefferson?
In Jefferson, snow does not fall in May through September.
When are the longest days in Jefferson?
With an average of 14h and 36min of daylight, June has the longest days of the year in Jefferson, Oklahoma.
What is the month with the most sunshine in Jefferson?
June and July, with an average of 11.2h of sunshine, are months with the most sunshine.
What is the month with the highest UV index in Jefferson?
The months with the highest UV index are June through August, with an average maximum UV index of 7.
What are the warmest months in Jefferson?
July is the warmest month in Jefferson, exhibiting average temperatures of 95°F (35°C) at the peak and 74.8°F (23.8°C) at the base.
What is the least humid month in Jefferson?
The months with the lowest humidity are July and August, with an average relative humidity of 56%.
What are the months with the least sunshine in Jefferson?
The months with the least sunshine in Jefferson, Oklahoma, are November and December, with an average of 6.3h of sunshine.
What is the driest month in Jefferson?
December is the month with the least rainfall in Jefferson. Rain falls for 5.5 days and accumulates 0.71" (18mm) of precipitation.
What is the month with the shortest days in Jefferson?
With an average of 9h and 42min of daylight, December has the shortest days of the year.
What is the month with the lowest UV index in Jefferson?
With an average maximum UV index of 2, December is the month with the lowest UV index in Jefferson.
Average temperature
Jefferson, OK
The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (47.1°F).
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure
Jefferson, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.86"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 (29.86"Hg).
Average wind speed
Jefferson, 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:
11.7mph - Average wind speed in May:
10.3mph - Average wind speed in June:
10.6mph
- Average wind speed in July:
9mph - Average wind speed in August:
8.5mph - Average wind speed in September:
9.1mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.7mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity
Jefferson, OK
The month with the highest relative humidity is May (69%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall
Jefferson, OK
- Average rainfall in January:
0.91" - Average rainfall in February:
0.87" - Average rainfall in March:
1.34" - Average rainfall in April:
2.36" - Average rainfall in May:
4.09" - Average rainfall in June:
1.89"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days
Jefferson, OK
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
5.6 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Jefferson, OK
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Jefferson, OK
- Average snowfall days in January:
2.4 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.3 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:
0.3 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
1.8 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Jefferson, 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 3min - Average sunshine in March:
7h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 4min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
11h and 0min - Average sunshine in September:
8h and 5min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 2min - Average sunshine in December:
6h and 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days
Jefferson, OK
- Average sunshine days in January:
23.8 days - Average sunshine days in February:
19 days - Average sunshine days in March:
18 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
17.4 days
- Average sunshine days in July:
15.5 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
23.2 days - Average sunshine days in December:
23.9 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is May (14.3 days).
Average UV index
Jefferson, 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
Jefferson, OK
The months with the most cloud cover are March and April (Cloud cover 35).
The months with the least cloud cover are June and August (Cloud cover 19).
Average visibility
Jefferson, 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).
Jefferson, Oklahoma, USA
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