Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's onset is marked by a temperature increase, moving from a refreshing 57°F (13.9°C) in April to a pleasant 68.9°F (20.5°C). Throughout May, the temperature tends to fall to a consistent average low of 52.2°F (11.2°C).Humidity
In May, the average relative humidity is 69%.Rainfall
In Marcus, in May, it is raining for 16 days, with typically 2.87" (73mm) of accumulated precipitation. In Marcus, during the entire year, the rain falls for 116.2 days and collects up to 22.05" (560mm) of precipitation.Snowfall
In Marcus, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 40min.On the first day of May, sunrise is at 6:16 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:54 pm CDT.
Sunshine
In Marcus, the average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Marcus in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May in Marcus?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Marcus, IA
- Average high temperature in May: 68.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in May
Marcus, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Marcus, IA
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in May
Marcus, IA
- Average humidity in May: 69%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Marcus, IA
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in May
Marcus, IA
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in May
Marcus, IA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Marcus, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Marcus, IA
- Average daylight in May: 14h and 4min
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 May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Marcus, IA
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in May
Marcus, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Marcus, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Marcus, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Marcus, Iowa, USA
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