February weather forecast
Jefferson, IA

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Weather in February

The last month of the winter, February, is also a subzero cold month in Jefferson, Iowa, with an average temperature varying between 16.9°F (-8.4°C) and 30.6°F (-0.8°C).

Temperature

The shift into February records an average high-temperature of a still subzero cold 30.6°F (-0.8°C), subtly varied from January's 26.8°F (-2.9°C). Throughout February in Jefferson, a steady low-temperature average of 16.9°F (-8.4°C) is noted.

Humidity

In Jefferson, the average relative humidity in February is 82%.

Rainfall

In Jefferson, in February, it is raining for 3.4 days, with typically 1.02" (26mm) of accumulated precipitation. In Jefferson, during the entire year, the rain falls for 125.7 days and collects up to 26.5" (673mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In February, in Jefferson, it is snowing for 8.8 days. Throughout February, 3.66" (93mm) of snow is accumulated. In Jefferson, Iowa, during the entire year, snow falls for 38.1 days and aggregates up to 15.31" (389mm) of snow.

Daylight

In Jefferson, the average length of the day in February is 10h and 37min.
On the first day of February, sunrise is at 7:30 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:07 pm CST.

Sunshine

The average sunshine in February in Jefferson, Iowa, is 4.9h.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in February interprets into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

How cold is February in Jefferson?

Jefferson in February has an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 16.9°F (-8.4°C).

What is the average humidity in February in Jefferson?

In February, the average relative humidity in Jefferson is 82%.

How much does it rain in Jefferson in February?

In Jefferson, Iowa, in February, it is raining for 3.4 days, with typically 1.02" (26mm) of accumulated precipitation.

How much does it snow in Jefferson in February?

In Jefferson, Iowa, in February, snow falls for 8.8 days, with typically accumulated 3.66" (93mm) of snow.

How many hours of daylight does Jefferson have in February?

The average day length in February in Jefferson is 10h and 37min.

What time are sunrise and sunset in February in Jefferson?

On the first day of February in Jefferson, Iowa, sunrise is at 7:30 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:07 pm CST.

How long on average sun shines in February in Jefferson?

The average sunshine duration in February in Jefferson is 4.9h.

When is the lowest UV index in Jefferson?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Jefferson, Iowa.

How high is the UV index in February in Jefferson?

In Jefferson, the average daily maximum UV index in February is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in February
Jefferson, IA

Average temperature in February - Jefferson, IA
  • Average high temperature in February: 30.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in February: 16.9°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in February
Jefferson, IA

Average pressure in February - Jefferson, IA
  • Average pressure in February: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in February
Jefferson, IA

Average wind speed in February - Jefferson, IA
  • Average wind speed in February: 10.5mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in February
Jefferson, IA

Average humidity in February - Jefferson, IA
  • Average humidity in February: 82%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in February
Jefferson, IA

Average rainfall in February - Jefferson, IA
  • Average rainfall in February: 1.02"

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in February
Jefferson, IA

Average rainfall days in February - Jefferson, IA
  • Average rainfall days in February: 3.4 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in February
Jefferson, IA

Average snowfall in February - Jefferson, IA
  • Average snowfall in February: 3.66"

The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in February
Jefferson, IA

Average snowfall days in February - Jefferson, IA
  • Average snowfall days in February: 8.8 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in February /
Average sunshine in February
Jefferson, IA

Average daylight in February / Average sunshine in February - Jefferson, IA
  • Average daylight in February: 10h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in February: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in February
Jefferson, IA

Average sunshine days in February - Jefferson, IA
  • Average sunshine days in February: 16.5 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index in February
Jefferson, IA

Average UV index in February - Jefferson, IA
  • Average UV index in February: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in February
Jefferson, IA

Average cloud cover in February - Jefferson, IA
  • Average cloud cover in February: 51

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).

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Average visibility in February
Jefferson, IA

Average visibility in February - Jefferson, IA
  • Average visibility in February: 6mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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Jefferson, Iowa, USA

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