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
As Griffen transitions into March, the average high-temperature shows a marked escalation, increasing from a freezing cold 30.6°F (-0.8°C) in February to a frosty 45.9°F (7.7°C). In March, Griffen records an average nighttime temperature of 30.7°F (-0.7°C).Humidity
The average relative humidity in March is 76%.Rainfall
In Griffen, in March, it is raining for 9.1 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, there are 123.3 rainfall days, and 20.98" (533mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Griffen, during March, snow falls for 5.7 days and regularly aggregates up to 0.98" (25mm) of snow. Throughout the year, there are 39.9 snowfall days, and 10.91" (277mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:05 pm CST. On the last day of March, sunrise is at 6:57 am and sunset at 7:40 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 6h.UV index
In Griffen, the average daily maximum UV index in March 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 daily UV index of 3 in March interprets into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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
What are the temperatures in March?
What is the average humidity in March?
How much does it rain in March?
How many days does it snow in March?
What is the average length of the day in March?
What time are sunrise and 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
Griffen, IA
- Average high temperature in March: 45.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.4°F).
- Average low temperature in March: 30.7°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
Griffen, IA
- Average pressure in March: 30.07"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
Griffen, IA
- Average wind speed in March: 10.5mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in March
Griffen, IA
- Average humidity in March: 76%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (69%).
Average rainfall in March
Griffen, IA
- Average rainfall in March: 1.14"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in March
Griffen, IA
- Average rainfall days in March: 9.1 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in March
Griffen, IA
- Average snowfall in March: 0.98"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Griffen, IA
- Average snowfall days in March: 5.7 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Griffen, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in March
Griffen, IA
- Average sunshine days in March: 15.7 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in March
Griffen, IA
- Average UV index in March: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in March
Griffen, IA
- Average cloud cover in March: 51
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in March
Griffen, IA
- Average visibility in March: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Griffen, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location