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 arrival witnesses a distinct temperature rise, advancing from February's subzero cold 26.2°F (-3.2°C) to a wintry 41.4°F (5.2°C). In Castalia, March nights cool down to an average of 27°F (-2.8°C).Humidity
The average relative humidity in March is 81%.Rainfall
In March, the rain falls for 10.1 days. Throughout March, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 131 rainfall days, and 27.91" (709mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Castalia, in March, snow falls for 7 days, with typically accumulated 2.32" (59mm) of snow. Throughout the year, there are 52.3 snowfall days, and 21.26" (540mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 58min.On the first day of March, sunrise is at 6:41 am and sunset at 5:56 pm CST. On the last day of the month, sunrise is at 6:48 am and sunset at 7:32 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 5.7h.UV index
The average daily maximum UV index in March in Castalia is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during March translates into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it 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 Castalia have in March?
When are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How many hours of sunshine does Castalia have in March?
How high is the UV index in March?
Average temperature in March
Castalia, IA
- Average high temperature in March: 41.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in March: 27°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in March
Castalia, IA
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in March
Castalia, IA
- Average wind speed in March: 10mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in March
Castalia, IA
- Average humidity in March: 81%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (75%).
Average rainfall in March
Castalia, IA
- Average rainfall in March: 1.69"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in March
Castalia, IA
- Average rainfall days in March: 10.1 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in March
Castalia, IA
- Average snowfall in March: 2.32"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Castalia, IA
- Average snowfall days in March: 7 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Castalia, IA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in March: 5h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in March
Castalia, IA
- Average sunshine days in March: 15.4 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in March
Castalia, IA
- Average UV index in March: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in March
Castalia, IA
- Average cloud cover in March: 54
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in March
Castalia, IA
- Average visibility in March: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Castalia, Iowa, USA
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