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
Letts's transition into March sees a rise in the average high-temperature, advancing from a wintry 33.3°F (0.7°C) in February to a chilly 47.1°F (8.4°C). During March, Letts's temperature falls to a steady low-temperature average of 32.5°F (0.3°C).Humidity
In March, the average relative humidity is 75%.Rainfall
In Letts, during March, the rain falls for 13.8 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Letts, during the entire year, the rain falls for 153.8 days and collects up to 31.69" (805mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In March, it is snowing for 5.5 days. Throughout March, 1.93" (49mm) of snow is accumulated. Throughout the year, there are 40.1 snowfall days, and 16.38" (416mm) of snow is accumulated.Daylight
The average length of the day in March is 11h and 58min.On the first day of March in Letts, sunrise is at 6:37 am and sunset at 5:56 pm CST. On the last day of the month, sunrise is at 6:48 am and sunset at 7:29 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
The average sunshine in March is 6.6h.UV index
The average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: During March, 3 as the daily maximum UV index converts into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Letts in March?
What is the average humidity in March?
How many days does it rain in March?
How much does it snow in March?
How many hours of daylight does Letts have in March?
When is the sunrise / sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March?
How high is the UV index in March?
Average temperature in March
Letts, IA
- Average high temperature in March: 47.1°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in March: 32.5°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 (16.3°F).
Average pressure in March
Letts, IA
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in March
Letts, IA
- Average wind speed in March: 10.4mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in March
Letts, IA
- Average humidity in March: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in March
Letts, IA
- Average rainfall in March: 2.17"
The wettest month (with the highest rainfall) is May (5").
The driest months (with the least rainfall) are February and December (1.46").
Average rainfall days in March
Letts, IA
- Average rainfall days in March: 13.8 days
The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in March
Letts, IA
- Average snowfall in March: 1.93"
The month with the highest snowfall is January (4.92").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Letts, IA
- Average snowfall days in March: 5.5 days
The month with the highest number of snowfall days is January (12.2 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
Letts, IA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in March: 6h and 4min
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).
Average sunshine days in March
Letts, IA
- Average sunshine days in March: 13.2 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in March
Letts, 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 and December (UV index 1).
Average cloud cover in March
Letts, IA
- Average cloud cover in March: 48
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in March
Letts, IA
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Letts, Iowa, USA
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