March weather forecastGreenfield, IA
March
Weather in March
March, the first month of the spring in Greenfield, is a frosty month, with an average temperature ranging between min 32.4°F (0.2°C) and max 47.3°F (8.5°C).Temperature
With the transition into March, Greenfield experiences a significant increase in average high-temperatures, moving up from an icy 32°F (0°C) in February to a chilly 47.3°F (8.5°C). Nightly temperatures drop to an average low of 32.4°F (0.2°C) in March.Humidity
In Greenfield, the average relative humidity in March is 75%.Rainfall
In Greenfield, in March, during 11.1 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in Greenfield, there are 138.2 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Greenfield. In March, it is snowing for 4.8 days. Throughout March, 1.85" (47mm) of snow is accumulated. In Greenfield, during the entire year, snow falls for 35.5 days and aggregates up to 15.71" (399mm) of snow.Daylight
The average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:50 am and sunset at 6:09 pm CST. On the last day of March, in Greenfield, Iowa, sunrise is at 7:01 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
The average sunshine in March in Greenfield is 6.1h.UV index
In March, the average daily maximum UV index in Greenfield, Iowa, is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 3 in March translates into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Greenfield, IA
- Average high temperature in March: 47.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in March: 32.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in March
Greenfield, 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 (29.88"Hg).
Average wind speed in March
Greenfield, IA
- Average wind speed in March: 10.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in March
Greenfield, IA
- Average humidity in March: 75%
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in March
Greenfield, IA
- Average rainfall in March: 1.73"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in March
Greenfield, IA
- Average rainfall days in March: 11.1 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in March
Greenfield, IA
- Average snowfall in March: 1.85"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Greenfield, IA
- Average snowfall days in March: 4.8 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Greenfield, 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 6min
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 24min).
Average sunshine days in March
Greenfield, IA
- Average sunshine days in March: 15.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in March
Greenfield, IA
- Average UV index in March: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in March
Greenfield, IA
- Average cloud cover in March: 49
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in March
Greenfield, IA
- Average visibility in March: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
