May weather forecast
Chapin, IA

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Weather in May

The last month of the spring, May, is a comfortable month in Chapin, Iowa, with an average temperature varying between 51.6°F (10.9°C) and 67.8°F (19.9°C).

Temperature

Chapin's transition into May brings a rise in the average high-temperature, moving from a mild 55.9°F (13.3°C) in April to a comfortable 67.8°F (19.9°C). An average low-temperature of 51.6°F (10.9°C) is recorded in the month of May.

Humidity

In May, the average relative humidity is 75%.

Rainfall

In Chapin, in May, during 19.4 rainfall days, 4.25" (108mm) of precipitation is typically accumulated. Throughout the year, in Chapin, there are 146.2 rainfall days, and 29.69" (754mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Chapin aggregates 0.39" (10mm) of snow. Throughout the year, in Chapin, there are 56 snowfall days, and 24.45" (621mm) of snow is accumulated.

Daylight

In Chapin, the average length of the day in May is 14h and 40min.
On the first day of May, sunrise is at 6:05 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:44 pm CDT.

Sunshine

In Chapin, the average sunshine in May is 8.5h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Chapin. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

In Chapin, in May, the average high-temperature is 67.8°F (19.9°C), and the average low-temperature is 51.6°F (10.9°C).

What is the average humidity in May?

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

How much does it rain in May?

In May, the rain falls for 19.4 days. Throughout May, 4.25" (108mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Chapin aggregates 0.39" (10mm) of snow.

How many hours of daylight does Chapin have in May?

The average day length in May is 14h and 40min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:44 pm CDT.

How many hours of sunshine does Chapin have in May?

In May, the average sunshine duration is 8.5h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

How high is the UV index in May?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Chapin, IA

Average temperature in May - Chapin, IA
  • Average high temperature in May: 67.8°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in May: 51.6°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure in May
Chapin, IA

Average pressure in May - Chapin, IA
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Chapin, IA

Average wind speed in May - Chapin, IA
  • Average wind speed in May: 9.4mph

The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

Average humidity in May
Chapin, IA

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

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Chapin, IA

Average rainfall in May - Chapin, IA
  • Average rainfall in May: 4.25"

The wettest month (with the highest rainfall) is June (4.69").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days in May
Chapin, IA

Average rainfall days in May - Chapin, IA
  • Average rainfall days in May: 19.4 days

The month with the highest number of rainy days is June (20.2 days).
The month with the least rainy days is February (4 days).

Average snowfall in May
Chapin, IA

Average snowfall in May - Chapin, IA
  • Average snowfall in May: 0.39"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Chapin, IA

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

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Chapin, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Chapin, IA

Average sunshine days in May - Chapin, IA
  • Average sunshine days in May: 9.7 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (7.8 days).

Average UV index in May
Chapin, IA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in May
Chapin, IA

Average cloud cover in May - Chapin, IA
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).

Average visibility in May
Chapin, IA

Average visibility in May - Chapin, IA
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).

Chapin, Iowa, USA

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