May weather forecast
Aspinwall, IA

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Weather in May

May, the last month of the spring in Aspinwall, is an agreeable month, with an average temperature ranging between min 52.5°F (11.4°C) and max 68.9°F (20.5°C).

Temperature

The arrival of May brings a temperature shift, with the average high-temperature escalating from a mild 58.5°F (14.7°C) in April to an agreeable 68.9°F (20.5°C). Aspinwall cools down to an average low-temperature of 52.5°F (11.4°C) throughout the month of May.

Humidity

In Aspinwall, the average relative humidity in May is 73%.

Rainfall

The month with the most rainfall is May, when the rain falls for 18.2 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Aspinwall aggregates 0.28" (7mm) of snow. In Aspinwall, during the entire year, snow falls for 41.5 days and aggregates up to 18.23" (463mm) of snow.

Daylight

In Aspinwall, the average length of the day in May is 14h and 35min.
On the first day of the month, sunrise is at 6:15 am and sunset at 8:19 pm. On the last day of May, sunrise is at 5:47 am and sunset at 8:48 pm CDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

In Aspinwall, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during May translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

What are May temperatures?

In May, in Aspinwall, the average high-temperature is 68.9°F (20.5°C), and the average low-temperature is 52.5°F (11.4°C).

What is the average humidity in May in Aspinwall?

The average relative humidity in May is 73%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 18.2 days and accumulates 4.21" (107mm) of precipitation.

How much does it rain in Aspinwall in May?

In Aspinwall, in May, it is raining for 18.2 days, with typically 4.21" (107mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Aspinwall aggregates 0.28" (7mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 35min.

When are sunrise and sunset in May in Aspinwall?

On the first day of May, sunrise is at 6:15 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:48 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May in Aspinwall is 8.5h.

How high is the UV index in May?

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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Aspinwall, IA

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

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in May: 52.5°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

Average pressure in May
Aspinwall, IA

Average pressure in May - Aspinwall, IA
  • Average pressure in May: 29.93"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
Aspinwall, IA

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

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in May
Aspinwall, IA

Average humidity in May - Aspinwall, IA
  • Average humidity in May: 73%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).

Average rainfall in May
Aspinwall, IA

Average rainfall in May - Aspinwall, IA
  • Average rainfall in May: 4.21"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in May
Aspinwall, IA

Average rainfall days in May - Aspinwall, 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 February (3.3 days).

Average snowfall in May
Aspinwall, IA

Average snowfall in May - Aspinwall, IA
  • Average snowfall in May: 0.28"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Aspinwall, IA

Average snowfall days in May - Aspinwall, IA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 12min).

Average sunshine days in May
Aspinwall, IA

Average sunshine days in May - Aspinwall, IA
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in May
Aspinwall, IA

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

The months with the highest UV index are June and July (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
Aspinwall, IA

Average cloud cover in May - Aspinwall, IA
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in May
Aspinwall, IA

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

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

Aspinwall, Iowa, USA

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