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
Keystone's transition into March is marked by a clear temperature shift, advancing from a freezing cold 30.2°F (-1°C) in February to a frosty 45.1°F (7.3°C). The temperature lowers to an average of 30.6°F (-0.8°C) during March nights.Humidity
In March, the average relative humidity in Keystone is 77%.Rainfall
In Keystone, during March, the rain falls for 10.8 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 139 rainfall days, and 29.49" (749mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Keystone, in March, during 5.3 snowfall days, 1.61" (41mm) of snow is typically accumulated. In Keystone, during the entire year, snow falls for 39 days and aggregates up to 16.69" (424mm) of snow.Daylight
In Keystone, 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
The average sunshine in March is 6.1h.UV index
In Keystone, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 3 during March morphs into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What are March temperatures in Keystone?
What is the average humidity in March in Keystone?
How much does it rain in Keystone in March?
How many days does it snow in March in Keystone?
How many hours of daylight does Keystone have in March?
What time are sunrise and sunset in March in Keystone?
When does Daylight Saving Time (DST) start in March in Keystone?
How long on average sun shines in March in Keystone?
What is the UV index reading in March in Keystone?
Average temperature in March
Keystone, IA
- Average high temperature in March: 45.1°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in March: 30.6°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 (13.5°F).
Average pressure in March
Keystone, 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
Keystone, IA
- Average wind speed in March: 10.6mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in March
Keystone, IA
- Average humidity in March: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Keystone, IA
- Average rainfall in March: 1.89"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in March
Keystone, IA
- Average rainfall days in March: 10.8 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in March
Keystone, IA
- Average snowfall in March: 1.61"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Keystone, IA
- Average snowfall days in March: 5.3 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Keystone, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in March
Keystone, IA
- Average sunshine days in March: 15.2 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in March
Keystone, IA
- Average UV index in March: 3
The month with the highest UV index is June (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
Keystone, IA
- Average cloud cover in March: 50
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in March
Keystone, IA
- Average visibility in March: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Keystone, Iowa, USA
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