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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, in Jefferson, Indiana, is a wintry winter month, with temperature in the range of an average high of 32°F (0°C) and an average low of 19.8°F (-6.8°C). January is the coldest month, exhibiting average temperatures of 32°F (0°C) at the peak and 19.8°F (-6.8°C) at the base. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Jefferson, Indiana, with an average temperature fluctuating between 23.4°F (-4.8°C) and 36.3°F (2.4°C). Shifting into February, Jefferson records an average high-temperature of a still wintry 36.3°F (2.4°C), presenting minor fluctuations compared to the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Jefferson, Indiana, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 33.4°F (0.8°C). The shift into March is marked by a rise in the average high-temperature, moving from February's cold 36.3°F (2.4°C) to a frosty 48.6°F (9.2°C). Weather in March »
Weather in April
April is a moderate spring month in Jefferson, Indiana, with an average temperature ranging between max 60.3°F (15.7°C) and min 44.2°F (6.8°C). The start of April is characterized by an increase in the average high-temperature, transitioning from a chilly 48.6°F (9.2°C) in March to a moderate 60.3°F (15.7°C). Weather in April »
Weather in May
May, the last month of the spring in Jefferson, is a pleasant month, with an average temperature fluctuating between 55°F (12.8°C) and 71.4°F (21.9°C). As April transitions into May, a change in temperatures is observed, with average highs moving from a mild 60.3°F (15.7°C) to a pleasant 71.4°F (21.9°C). Weather in May »
Weather in June
June, the first month of the summer in Jefferson, is a moderately hot month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 79.2°F (26.2°C). The commencement of June sees a minor shift in the average high-temperature, moving from an agreeable 71.4°F (21.9°C) in May to a moderately hot 79.2°F (26.2°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Jefferson, Indiana, with an average temperature ranging between min 64°F (17.8°C) and max 81°F (27.2°C). July, recognised by an average high temperature of 81°F (27.2°C) and a low of 64°F (17.8°C), is Jefferson's warmest month. July's mean heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Jefferson, Indiana, with an average temperature ranging between min 62.6°F (17°C) and max 79.7°F (26.5°C). August's climate shows a minor adjustment in average high-temperatures to a still moderately hot 79.7°F (26.5°C) from July's 81°F (27.2°C). 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 varying between 57.2°F (14°C) and 75°F (23.9°C). In the transition from August to September, Jefferson reports an average high-temperature of a still moderately hot 75°F (23.9°C), indicating a close resemblance to the prior month. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Jefferson, Indiana, with an average temperature varying between 61.9°F (16.6°C) and 46.4°F (8°C). During the transition into October, Jefferson observes a decrease in the average high-temperature, falling from a warm 75°F (23.9°C) in September to an enjoyable 61.9°F (16.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Jefferson, Indiana, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 48.2°F (9°C). Jefferson's progression into November involves a drop in the average high-temperature, receding from a refreshing 61.9°F (16.6°C) in October to a chilly 48.2°F (9°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Jefferson, Indiana, with an average temperature varying between 27.3°F (-2.6°C) and 37.6°F (3.1°C). December comes with a decrease in the average high-temperature, falling from a chilly 48.2°F (9°C) in November to a cold 37.6°F (3.1°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Jefferson?
Jefferson's temperature records reveal January as the coldest month, marked by average highs of 32°F (0°C) and lows of 19.8°F (-6.8°C).
How much does it rain in Jefferson?
Throughout the year, there are 139.5 rainfall days, and 18.07" (459mm) of precipitation is accumulated.
When does it snow in Jefferson?
January through April, October through December are months with snowfall.
How much does it snow in Jefferson?
In Jefferson, Indiana, during the entire year, snow falls for 28.4 days and aggregates up to 7.44" (189mm) of snow.
What is the month with the least sunshine in Jefferson?
January has the least sunshine of the year in Jefferson, Indiana, with an average of 3.8h of sunshine.
What is the month with the lowest UV index in Jefferson?
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.
What is the driest month in Jefferson?
The month with the least rainfall is February, when the rain falls for 5.8 days and typically collects 0.94" (24mm) of precipitation.
When does it snow the most in Jefferson?
February is the month with the most snowfall. Snow falls for 7.3 days and accumulates 2.2" (56mm) of snow.
When is Daylight Saving Time (DST) in Jefferson?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Jefferson?
May through September are months without snowfall in Jefferson.
What is the rainiest month in Jefferson?
The month with the most rainfall in Jefferson, Indiana, is June, when the rain falls for 15.4 days and typically aggregates up to 2.28" (58mm) of precipitation.
When are the longest days in Jefferson?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What are the months with the most sunshine in Jefferson?
June and July, with an average of 10h of sunshine, are months with the most sunshine in Jefferson.
When is the highest UV index in Jefferson?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Jefferson.
What is the warmest month in Jefferson?
July is the month that records the highest temperatures, with averages ranging from a high of 81°F (27.2°C) to a low of 64°F (17.8°C).
What is the most humid month in Jefferson?
July is the most humid month, with an average relative humidity of 84%.
What is the least humid month in Jefferson?
October is the least humid month in Jefferson, with an average relative humidity of 73%.
What is the month with the shortest days in Jefferson?
With an average of 9h and 24min of daylight, December has the shortest days of the year in Jefferson.
Average temperature
Jefferson, IN
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Jefferson, IN
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Jefferson, IN
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Jefferson, IN
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Jefferson, IN
- Average rainfall in January:
1.22" - Average rainfall in February:
0.94" - Average rainfall in March:
1.54" - Average rainfall in April:
2.2" - Average rainfall in May:
2.24" - Average rainfall in June:
2.28"
- Average rainfall in July:
1.54" - Average rainfall in August:
1.57" - Average rainfall in September:
1.22" - Average rainfall in October:
1.14" - Average rainfall in November:
1.02" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days
Jefferson, IN
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
11 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall
Jefferson, IN
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Jefferson, IN
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
1 days - Average snowfall days in May:
0.1 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:
2.3 days - Average snowfall days in December:
5.3 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jefferson, IN
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Jefferson, IN
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
16 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
14 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
19 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Jefferson, IN
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Jefferson, IN
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Jefferson, IN
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Jefferson, Indiana, USA
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