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
March's onset brings a temperature rise, moving from a frosty 47.5°F (8.6°C) in February to a mild 57.4°F (14.1°C). In the month of March, Herndon's average low-temperature falls to an icy 40.6°F (4.8°C).Humidity
The months with the highest humidity are March and May, with an average relative humidity of 79%.Rainfall
In Herndon, in March, during 15.8 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Herndon, during the entire year, the rain falls for 179.3 days and collects up to 39.76" (1010mm) of precipitation.Snowfall
Months with snowfall in Herndon, Kentucky, are January through April, October through December. In Herndon, in March, snow falls for 2.2 days, with typically accumulated 1.06" (27mm) of snow. In Herndon, during the entire year, snow falls for 15.8 days and aggregates up to 5.35" (136mm) of snow.Daylight
The average length of the day in March in Herndon is 11h and 59min.On the first day of the month, sunrise is at 6:19 am and sunset at 5:45 pm CST. On the last day of March, in Herndon, sunrise is at 6:36 am and sunset at 7:12 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 is 5.9h.UV index
The average daily maximum UV index in March in Herndon is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 4 in March leads to these recommendations:
Act with care - The need to guard against sun damage is communicated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are March temperatures in Herndon?
What are the most humid months in Herndon?
What is the average humidity in March in Herndon?
How much does it rain in Herndon in March?
How much does it snow in Herndon in March?
What is the average length of the day in March in Herndon?
When is the sunrise / sunset in March in Herndon?
When does Daylight Saving Time (DST) start in March in Herndon?
How long on average sun shines in March in Herndon?
How high is the UV index in March in Herndon?
Average temperature in March
Herndon, KY
- Average high temperature in March: 57.4°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in March: 40.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in March
Herndon, KY
- Average pressure in March: 30.09"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in March
Herndon, KY
- Average wind speed in March: 8.7mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in March
Herndon, KY
- Average humidity in March: 79%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Herndon, KY
- Average rainfall in March: 3.23"
The wettest month (with the highest rainfall) is February (4.06").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in March
Herndon, KY
- Average rainfall days in March: 15.8 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in March
Herndon, KY
- Average snowfall in March: 1.06"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Herndon, KY
- Average snowfall days in March: 2.2 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Herndon, KY
- Average daylight in March: 12h and 0min
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 March: 5h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in March
Herndon, KY
- Average sunshine days in March: 12.6 days
The months with the most sunshine days are October and November (17.8 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in March
Herndon, KY
- Average UV index in March: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in March
Herndon, KY
- Average cloud cover in March: 50
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in March
Herndon, KY
- 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).
Herndon, Kentucky, USA
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