Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
As March begins, there is a noticeable increase in the average high-temperature, soaring from a freezing cold 31.5°F (-0.3°C) in February to a chilly 46.9°F (8.3°C). Harlan, in March, observes a steady average low-temperature of 31.8°F (-0.1°C).Humidity
The average relative humidity in March is 74%.Rainfall
In March, in Harlan, the rain falls for 8.8 days. Throughout March, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 113.5 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Harlan, during March, snow falls for 4.8 days and regularly aggregates up to 1.22" (31mm) of snow. Throughout the year, in Harlan, Iowa, there are 31.5 snowfall days, and 7.13" (181mm) of snow is accumulated.Daylight
In Harlan, the average length of the day in March is 11h and 58min.On the first day of March in Harlan, sunrise is at 6:54 am and sunset at 6:12 pm CST. On the last day of the month, sunrise is at 7:04 am and sunset at 7:46 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 March, the average sunshine in Harlan is 6.3h.UV index
The average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in March leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Harlan in March?
What is the average humidity in March in Harlan?
How much does it rain in Harlan in March?
How many days does it snow in March in Harlan?
How many hours of daylight does Harlan have in March?
When are sunrise and sunset in March in Harlan?
When does Daylight Saving Time (DST) start in March in Harlan?
How long on average sun shines in March in Harlan?
What is the UV index intensity in March in Harlan?
Average temperature in March
Harlan, IA
- Average high temperature in March: 46.9°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in March: 31.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in March
Harlan, IA
- Average pressure in March: 30.06"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 in March
Harlan, IA
- Average wind speed in March: 10.7mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in March
Harlan, IA
- Average humidity in March: 74%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (68%).
Average rainfall in March
Harlan, IA
- Average rainfall in March: 0.91"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in March
Harlan, IA
- Average rainfall days in March: 8.8 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in March
Harlan, IA
- Average snowfall in March: 1.22"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Harlan, IA
- Average snowfall days in March: 4.8 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Harlan, 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: 6h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in March
Harlan, IA
- Average sunshine days in March: 17.9 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in March
Harlan, IA
- Average UV index in March: 3
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 in March
Harlan, IA
- Average cloud cover in March: 48
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in March
Harlan, IA
- Average visibility in March: 6mi
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).
Harlan, Iowa, USA
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