May weather forecast
Magnolia, IA

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Weather in May

The last month of the spring, May, is an agreeable month in Magnolia, Iowa, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 53.4°F (11.9°C).

Temperature

May shows a rise in the average high-temperature, moving from April's refreshing 59.9°F (15.5°C) to a pleasant 70.7°F (21.5°C). The average nighttime temperature lowers to a cool 53.4°F (11.9°C) throughout May.

Humidity

The average relative humidity in May is 71%.

Rainfall

The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 3.74" (95mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Magnolia. During 0.2 snowfall days, in May, Magnolia aggregates 0.16" (4mm) of snow. In Magnolia, Iowa, during the entire year, snow falls for 32.8 days and aggregates up to 13.23" (336mm) of snow.

Daylight

In Magnolia, the average length of the day in May is 14h and 34min.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:22 pm. On the last day of May, sunrise is at 5:51 am and sunset at 8:51 pm CDT.

Sunshine

In Magnolia, Iowa, the average sunshine in May is 9h.

UV index

In Magnolia, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in May?

The average high-temperature and low-temperature during May are 70.7°F (21.5°C) and 53.4°F (11.9°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 71%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 3.74" (95mm) of precipitation.

How many days does it rain in May?

In Magnolia, during May, the rain falls for 17 days and regularly aggregates up to 3.74" (95mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows in Magnolia. During 0.2 snowfall days, in May, Magnolia aggregates 0.16" (4mm) of snow.

What is the average length of the day in May in Magnolia?

The average day length in May in Magnolia is 14h and 34min.

When is the sunrise / sunset in May in Magnolia?

On the first day of May in Magnolia, sunrise is at 6:18 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:51 pm CDT.

How many hours of sunshine does Magnolia have in May?

In Magnolia, the average sunshine duration in May is 9h.

How high is the UV index in May in Magnolia?

In Magnolia, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Magnolia, IA

Average temperature in May - Magnolia, IA
  • Average high temperature in May: 70.7°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in May: 53.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in May
Magnolia, IA

Average pressure in May - Magnolia, IA
  • Average pressure in May: 29.92"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
Magnolia, IA

Average wind speed in May - Magnolia, IA
  • Average wind speed in May: 9.1mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in May
Magnolia, IA

Average humidity in May - Magnolia, IA
  • Average humidity in May: 71%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (66%).

Average rainfall in May
Magnolia, IA

Average rainfall in May - Magnolia, IA
  • Average rainfall in May: 3.74"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in May
Magnolia, IA

Average rainfall days in May - Magnolia, IA
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (2.7 days).

Average snowfall in May
Magnolia, IA

Average snowfall in May - Magnolia, IA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Magnolia, IA

Average snowfall days in May - Magnolia, IA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Magnolia, IA

Average daylight in May / Average sunshine in May - Magnolia, IA
  • Average daylight in May: 14h and 4min

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 May: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in May
Magnolia, IA

Average sunshine days in May - Magnolia, IA
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in May
Magnolia, IA

Average UV index in May - Magnolia, IA
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in May
Magnolia, IA

Average cloud cover in May - Magnolia, IA
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in May
Magnolia, IA

Average visibility in May - Magnolia, 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).

Magnolia, Iowa, USA

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