May weather forecast
Olin, IA

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Weather in May

May, the last month of the spring in Olin, is an agreeable month, with an average temperature ranging between min 51.6°F (10.9°C) and max 68.5°F (20.3°C).

Temperature

As Olin transitions into May, a rise in the average high-temperature is observed, moving from a mild 56.8°F (13.8°C) in April to an agreeable 68.5°F (20.3°C). Throughout May, the nighttime temperature in Olin averages to a fresh 51.6°F (10.9°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

The month with the most rainfall is May, when the rain falls for 18.2 days and typically aggregates up to 4.45" (113mm) of precipitation.

Snowfall

In Olin, Iowa, snow does not fall in May through September.

Daylight

In Olin, the average length of the day in May is 14h and 35min.
On the first day of May in Olin, Iowa, sunrise is at 5:59 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:33 pm CDT.

Sunshine

In Olin, the average sunshine in May is 8.4h.

UV index

The average daily maximum UV index in May in Olin, Iowa, is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: During May, 5 as the daily maximum UV index converts into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Olin?

The high-temperature, in May, in Olin, is 68.5°F (20.3°C), while the low-temperature averages to 51.6°F (10.9°C).

What is the average humidity in May in Olin?

In May, the average relative humidity is 79%.

What is the wettest month in Olin?

May is the month with the most rainfall in Olin, Iowa. Rain falls for 18.2 days and accumulates 4.45" (113mm) of precipitation.

How much does it rain in Olin in May?

In Olin, Iowa, during May, the rain falls for 18.2 days and regularly aggregates up to 4.45" (113mm) of precipitation.

When it does not snow in Olin?

May through September are months without snowfall.

Does it snow in Olin in May?

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

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

In Olin, the average day length in May is 14h and 35min.

What time are sunrise and sunset in May in Olin?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 8:03 pm. On the last day of the month, in Olin, Iowa, sunrise is at 5:31 am and sunset at 8:33 pm CDT.

How long on average sun shines in May in Olin?

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

What is the UV index intensity in May in Olin?

The average daily maximum UV index in May in Olin, Iowa, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Olin, IA

Average temperature in May - Olin, IA
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in May: 51.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in May
Olin, IA

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Olin, IA

Average wind speed in May - Olin, IA
  • Average wind speed in May: 9.2mph

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
Olin, IA

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

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Olin, IA

Average rainfall in May - Olin, IA
  • Average rainfall in May: 4.45"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in May
Olin, IA

Average rainfall days in May - Olin, IA
  • Average rainfall days in May: 18.2 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in May
Olin, IA

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

The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Olin, IA

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

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Olin, 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: 3h and 48min).

Average sunshine days in May
Olin, IA

Average sunshine days in May - Olin, IA
  • Average sunshine days in May: 10.9 days

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in May
Olin, IA

Average UV index in May - Olin, 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
Olin, IA

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

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in May
Olin, IA

Average visibility in May - Olin, 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).

Olin, Iowa, USA

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