March weather forecastGarrison, IA
March
Weather in March
March, the first month of the spring in Garrison, is a chilly month, with an average temperature fluctuating between 44.4°F (6.9°C) and 30.2°F (-1°C).Temperature
As March begins, there is a noticeable increase in the average high-temperature, soaring from a subzero cold 29.7°F (-1.3°C) in February to a frosty 44.4°F (6.9°C). In Garrison, the average nighttime temperature during March is a subzero cold 30.2°F (-1°C).Humidity
In March, the average relative humidity is 77%.Rainfall
In Garrison, during March, the rain falls for 8.6 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, in Garrison, there are 103.1 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Garrison, Iowa, in March, snow falls for 4.2 days, with typically accumulated 0.47" (12mm) of snow. In Garrison, during the entire year, snow falls for 29.1 days and aggregates up to 4.92" (125mm) of snow.Daylight
In Garrison, the average length of the day in March is 11h and 58min.On the first day of March, sunrise is at 6:42 am and sunset at 5:59 pm CST. On the last day of the month, sunrise is at 6:51 am and sunset at 7:33 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 6.1h.UV index
The average daily maximum UV index in March in Garrison is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during March translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Garrison, IA
- Average high temperature in March: 44.4°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in March: 30.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in March
Garrison, IA
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in March
Garrison, IA
- Average wind speed in March: 10.5mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in March
Garrison, IA
- Average humidity in March: 77%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Garrison, IA
- Average rainfall in March: 0.63"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in March
Garrison, IA
- Average rainfall days in March: 8.6 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in March
Garrison, IA
- Average snowfall in March: 0.47"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Garrison, IA
- Average snowfall days in March: 4.2 days
The month with the highest number of snowfall days is February (7.8 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
Garrison, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in March
Garrison, IA
- Average sunshine days in March: 19.3 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (13.4 days).
Average UV index in March
Garrison, IA
- Average UV index in March: 3
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in March
Garrison, IA
- Average cloud cover in March: 50
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in March
Garrison, 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).





