May weather forecast
Strahan, IA

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Weather in May

The last month of the spring, May, is a pleasant month in Strahan, Iowa, with an average temperature ranging between min 54°F (12.2°C) and max 70.7°F (21.5°C).

Temperature

The onset of May brings a temperature shift, with the average high-temperature moving from an enjoyable 61.3°F (16.3°C) in April to a pleasant 70.7°F (21.5°C). Strahan records an average nighttime low of 54°F (12.2°C) in May.

Humidity

In Strahan, the average relative humidity in May is 75%.

Rainfall

In Strahan, Iowa, during May, the rain falls for 16.8 days and regularly aggregates up to 3.5" (89mm) of precipitation. Throughout the year, in Strahan, there are 117.2 rainfall days, and 21.77" (553mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Strahan, the average length of the day in May is 14h and 29min.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:19 pm. On the last day of May, sunrise is at 5:52 am and sunset at 8:47 pm CDT.

Sunshine

In Strahan, the average sunshine in May is 8.6h.

UV index

In May, the average daily maximum UV index in Strahan is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 5 in May transforms into this advice:
Heed the precautions - It is counselled to guard against solar damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Strahan?

In May, in Strahan, the average high-temperature is 70.7°F (21.5°C), and the average low-temperature is 54°F (12.2°C).

What is the average humidity in May in Strahan?

The average relative humidity in May is 75%.

How much does it rain in Strahan in May?

In May, the rain falls for 16.8 days. Throughout May, 3.5" (89mm) of precipitation is accumulated.

When it does not snow in Strahan?

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

Does it snow in Strahan in May?

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

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

In Strahan, Iowa, the average day length in May is 14h and 29min.

What time are sunrise and sunset in May in Strahan?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 8:19 pm. On the last day of the month, in Strahan, sunrise is at 5:52 am and sunset at 8:47 pm CDT.

How long on average sun shines in May in Strahan?

The average sunshine duration in May in Strahan, Iowa, is 8.6h.

What is the UV index reading in May in Strahan?

In Strahan, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Strahan, IA

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

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in May: 54°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in May
Strahan, IA

Average pressure in May - Strahan, 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 (29.87"Hg).

Average wind speed in May
Strahan, IA

Average wind speed in May - Strahan, IA
  • Average wind speed in May: 8.8mph

The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in May
Strahan, IA

Average humidity in May - Strahan, IA
  • Average humidity in May: 75%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (68%).

Average rainfall in May
Strahan, IA

Average rainfall in May - Strahan, IA
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is June (4.06").
The driest months (with the least rainfall) are January and February (0.63").

Average rainfall days in May
Strahan, IA

Average rainfall days in May - Strahan, IA
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.9 days).

Average snowfall in May
Strahan, IA

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

The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Strahan, IA

Average snowfall days in May - Strahan, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Strahan, IA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in May
Strahan, IA

Average sunshine days in May - Strahan, IA
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is December (23.1 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in May
Strahan, IA

Average UV index in May - Strahan, 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
Strahan, IA

Average cloud cover in May - Strahan, IA
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in May
Strahan, IA

Average visibility in May - Strahan, 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).

Strahan, Iowa, USA

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