May weather forecast
Sutliff, IA

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Weather in May

The last month of the spring, May, is an agreeable month in Sutliff, Iowa, with an average temperature varying between 68.9°F (20.5°C) and 52.2°F (11.2°C).

Temperature

With the onset of May, Sutliff's average high-temperature experiences a rise, moving from April's refreshing 57.9°F (14.4°C) to an agreeable 68.9°F (20.5°C). An average nighttime temperature of 52.2°F (11.2°C) is noted during the month of May.

Humidity

The average relative humidity in May is 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 19 days and accumulates 5" (127mm) of precipitation.

Snowfall

In Sutliff, snow does not fall in May through September.

Daylight

In Sutliff, Iowa, the average length of the day in May is 14h and 34min.
On the first day of May, sunrise is at 6:00 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:33 pm CDT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

In May, the average daily maximum UV index in Sutliff is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In May, a daily UV index of 5 turns into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

May temperatures vary between a high-temperature of 68.9°F (20.5°C) and a low-temperature of 52.2°F (11.2°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

What is the rainiest month?

The month with the most rainfall in Sutliff is May, when the rain falls for 19 days and typically aggregates up to 5" (127mm) of precipitation.

How many days does it rain in May?

In Sutliff, Iowa, during May, the rain falls for 19 days and regularly aggregates up to 5" (127mm) of precipitation.

When it does not snow?

In Sutliff, snow does not fall in May through September.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

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

In May, the average day length is 14h and 34min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:33 pm CDT.

How long on average sun shines in May in Sutliff?

In Sutliff, the average sunshine duration in May is 8.4h.

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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
Sutliff, IA

Average temperature in May - Sutliff, IA
  • Average high temperature in May: 68.9°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in May: 52.2°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 (14.2°F).

Average pressure in May
Sutliff, IA

Average pressure in May - Sutliff, IA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Sutliff, IA

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

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 May
Sutliff, IA

Average humidity in May - Sutliff, IA
  • Average humidity in May: 79%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in May
Sutliff, IA

Average rainfall in May - Sutliff, IA
  • Average rainfall in May: 5"

The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is January (1.34").

Average rainfall days in May
Sutliff, IA

Average rainfall days in May - Sutliff, IA
  • Average rainfall days in May: 19 days

The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (5.2 days).

Average snowfall in May
Sutliff, IA

Average snowfall in May - Sutliff, IA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (5.79").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Sutliff, IA

Average snowfall days in May - Sutliff, IA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Sutliff, 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: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in May
Sutliff, IA

Average sunshine days in May - Sutliff, IA
  • Average sunshine days in May: 9.2 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (8.1 days).

Average UV index in May
Sutliff, IA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Sutliff, IA

Average cloud cover in May - Sutliff, IA
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).

Average visibility in May
Sutliff, IA

Average visibility in May - Sutliff, IA
  • Average visibility in May: 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).

Sutliff, Iowa, USA

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