May weather forecast
Gibson, IA

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Weather in May

The last month of the spring, May, is an agreeable month in Gibson, Iowa, with an average temperature ranging between max 69.3°F (20.7°C) and min 52.3°F (11.3°C).

Temperature

Gibson's weather in May presents a rise in the average high-temperature, moving from a refreshing 58.8°F (14.9°C) in April to a pleasant 69.3°F (20.7°C). Throughout May, Gibson records an average temperature of 52.3°F (11.3°C) at night.

Humidity

In Gibson, the average relative humidity in May is 79%.

Rainfall

In Gibson, Iowa, during May, the rain falls for 14.8 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Gibson, during the entire year, the rain falls for 117.7 days and collects up to 15.12" (384mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Gibson aggregates 0.16" (4mm) of snow. In Gibson, Iowa, during the entire year, snow falls for 34.7 days and aggregates up to 6.54" (166mm) of snow.

Daylight

The average length of the day in May in Gibson is 14h and 32min.
On the first day of May in Gibson, Iowa, sunrise is at 6:05 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:36 pm CDT.

Sunshine

The average sunshine in May in Gibson is 8.5h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average May temperature in Gibson?

In Gibson, in May, the average high-temperature is 69.3°F (20.7°C), and the average low-temperature is 52.3°F (11.3°C).

What is the average humidity in May in Gibson?

In Gibson, the average relative humidity in May is 79%.

How much does it rain in Gibson in May?

In Gibson, during May, the rain falls for 14.8 days and regularly aggregates up to 2.2" (56mm) of precipitation.

What is the last month it snows in Gibson?

May is the last month it regularly snows in Gibson. During 0.2 snowfall days, in May, Gibson aggregates 0.16" (4mm) of snow.

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

In Gibson, Iowa, the average day length in May is 14h and 32min.

When is the sunrise / sunset in May in Gibson?

On the first day of May, sunrise is at 6:05 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:36 pm CDT.

How long on average sun shines in May in Gibson?

The average sunshine duration in May is 8.5h.

How high is the UV index in May in Gibson?

In Gibson, Iowa, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
Gibson, IA

Average temperature in May - Gibson, IA
  • Average high temperature in May: 69.3°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 (27.3°F).

  • Average low temperature in May: 52.3°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 (14.5°F).

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Average pressure in May
Gibson, IA

Average pressure in May - Gibson, 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 (29.89"Hg).

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Average wind speed in May
Gibson, IA

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

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in May
Gibson, IA

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

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Gibson, IA

Average rainfall in May - Gibson, IA
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days in May
Gibson, IA

Average rainfall days in May - Gibson, IA
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.7 days).

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Average snowfall in May
Gibson, IA

Average snowfall in May - Gibson, IA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (1.93").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Gibson, IA

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Gibson, 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 12min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in May
Gibson, IA

Average sunshine days in May - Gibson, IA
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index in May
Gibson, IA

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Gibson, IA

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

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 30).

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Average visibility in May
Gibson, IA

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

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

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Gibson, Iowa, USA

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