March weather forecast
Jefferson, IA

Share

Weather in March

March, the first month of the spring in Jefferson, is a chilly month, with an average temperature fluctuating between 46°F (7.8°C) and 31.1°F (-0.5°C).

Temperature

March is marked by a distinct increase in the average high-temperature, climbing from a freezing cold 30.6°F (-0.8°C) in February to a frosty 46°F (7.8°C). In March, Jefferson's temperature tends to fall to an average low of 31.1°F (-0.5°C) during the night.

Humidity

The average relative humidity in March is 75%.

Rainfall

In Jefferson, during March, the rain falls for 10.8 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Jefferson, Iowa, 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 Jefferson. In March, in Jefferson, it is snowing for 5.2 days. Throughout March, 1.89" (48mm) of snow is accumulated. In Jefferson, 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 March is 11h and 58min.
On the first day of the month, sunrise is at 6:51 am and sunset at 6:08 pm CST. On the last day of March, in Jefferson, sunrise is at 7:00 am and sunset at 7:42 pm CDT.
Note: 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 lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

In Jefferson, Iowa, the average sunshine in March is 5.9h.

UV index

In Jefferson, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 3 during March, leads to the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
[Resources]

Frequently asked questions

What are March temperatures in Jefferson?

In March, the average high-temperature and low-temperature in Jefferson, Iowa, are 46°F (7.8°C) and 31.1°F (-0.5°C) respectively.

What is the average humidity in March in Jefferson?

The average relative humidity in March in Jefferson is 75%.

How many days does it rain in March in Jefferson?

In Jefferson, Iowa, in March, it is raining for 10.8 days, with typically 1.54" (39mm) of accumulated precipitation.

How much does it snow in Jefferson in March?

In Jefferson, Iowa, in March, snow falls for 5.2 days, with typically accumulated 1.89" (48mm) of snow.

How many hours of daylight does Jefferson have in March?

In Jefferson, the average day length in March is 11h and 58min.

When is the sunrise / sunset in March in Jefferson?

On the first day of March in Jefferson, sunrise is at 6:51 am and sunset at 6:08 pm CST. On the last day of the month, sunrise is at 7:00 am and sunset at 7:42 pm CDT.

When does Daylight Saving Time (DST) start in March in Jefferson?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Jefferson, Iowa, and the time zone changes from CST to CDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Jefferson?

In Jefferson, Iowa, the average sunshine duration in March is 5.9h.

What is the UV index intensity in March in Jefferson?

The average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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 March
Jefferson, IA

Average temperature in March - Jefferson, IA
  • Average high temperature in March: 46°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 March: 31.1°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).

[Resources]

Average pressure in March
Jefferson, IA

Average pressure in March - Jefferson, IA
  • Average pressure in March: 30.07"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).

[Resources]

Average wind speed in March
Jefferson, IA

Average wind speed in March - Jefferson, IA
  • Average wind speed in March: 10.4mph

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).

[Resources]

Average humidity in March
Jefferson, IA

Average humidity in March - Jefferson, IA
  • Average humidity in March: 75%

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

[Resources]

Average rainfall in March
Jefferson, IA

Average rainfall in March - Jefferson, IA
  • Average rainfall in March: 1.54"

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

[Resources]

Average rainfall days in March
Jefferson, IA

Average rainfall days in March - Jefferson, IA
  • Average rainfall days in March: 10.8 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).

[Resources]

Average snowfall in March
Jefferson, IA

Average snowfall in March - Jefferson, IA
  • Average snowfall in March: 1.89"

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

[Resources]

Average snowfall days in March
Jefferson, IA

Average snowfall days in March - Jefferson, IA
  • Average snowfall days in March: 5.2 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).

[Resources]

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

Average daylight in March / Average sunshine in March - Jefferson, IA
  • Average daylight in March: 12h and 0min

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 March: 5h 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).

[Resources]

Average sunshine days in March
Jefferson, IA

Average sunshine days in March - Jefferson, IA
  • Average sunshine days in March: 16 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).

[Resources]

Average UV index in March
Jefferson, IA

Average UV index in March - Jefferson, IA
  • Average UV index in March: 3

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).

[Resources]

Average cloud cover in March
Jefferson, IA

Average cloud cover in March - Jefferson, IA
  • Average cloud cover in March: 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).

[Resources]

Average visibility in March
Jefferson, IA

Average visibility in March - Jefferson, IA
  • Average visibility in March: 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).

[Resources]

Jefferson, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location