May weather forecast
Greene, IA

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Weather in May

The last month of the spring, May, is a comfortable month in Greene, Iowa, with an average temperature varying between 67.3°F (19.6°C) and 50.5°F (10.3°C).

Temperature

Greene sees an increase in the average high-temperature with the arrival of May, moving from April's cool 55.2°F (12.9°C) to a refreshing 67.3°F (19.6°C). Greene's average low-temperature in the month of May is recorded at a cool 50.5°F (10.3°C).

Humidity

In Greene, Iowa, the average relative humidity in May is 77%.

Rainfall

In Greene, in May, it is raining for 17.4 days, with typically 3.78" (96mm) of accumulated precipitation. In Greene, during the entire year, the rain falls for 127.3 days and collects up to 26.61" (676mm) of precipitation.

Snowfall

Months with snowfall in Greene are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Greene aggregates 0.35" (9mm) of snow. In Greene, during the entire year, snow falls for 46.8 days and aggregates up to 19.76" (502mm) of snow.

Daylight

In May, the average length of the day is 14h and 40min.
On the first day of May in Greene, sunrise is at 6:03 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:42 pm CDT.

Sunshine

The average sunshine in May is 8.2h.

UV index

In May, the average daily maximum UV index in Greene is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the temperature in May in Greene?

The high-temperature, in May, in Greene, is 67.3°F (19.6°C), while the low-temperature averages to 50.5°F (10.3°C).

What is the average humidity in May in Greene?

The average relative humidity in May in Greene, Iowa, is 77%.

How many days does it rain in May in Greene?

In Greene, in May, during 17.4 rainfall days, 3.78" (96mm) of precipitation is typically accumulated.

What is the last month it snows in Greene?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Greene aggregates 0.35" (9mm) of snow.

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

In Greene, the average day length in May is 14h and 40min.

When is the sunrise / sunset in May in Greene?

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 8:12 pm. On the last day of the month, in Greene, Iowa, sunrise is at 5:35 am and sunset at 8:42 pm CDT.

How many hours of sunshine does Greene have in May?

In May, the average sunshine duration is 8.2h.

What is the UV index intensity in May in Greene?

In May, the average daily maximum UV index in Greene, Iowa, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Greene, IA

Average temperature in May - Greene, IA
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in May
Greene, IA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in May
Greene, IA

Average wind speed in May - Greene, IA
  • Average wind speed in May: 9.3mph

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 (7.1mph).

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Average humidity in May
Greene, IA

Average humidity in May - Greene, IA
  • Average humidity in May: 77%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Greene, IA

Average rainfall in May - Greene, IA
  • Average rainfall in May: 3.78"

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days in May
Greene, IA

Average rainfall days in May - Greene, IA
  • Average rainfall days in May: 17.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (3.5 days).

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Average snowfall in May
Greene, IA

Average snowfall in May - Greene, IA
  • Average snowfall in May: 0.35"

The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Greene, IA

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

The month with the highest number of snowfall days is January (12.5 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
Greene, IA

Average daylight in May / Average sunshine in May - Greene, 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 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in May
Greene, IA

Average sunshine days in May - Greene, IA
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (10.6 days).

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Average UV index in May
Greene, IA

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

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

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Average cloud cover in May
Greene, IA

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

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in May
Greene, IA

Average visibility in May - Greene, 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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Greene, Iowa, USA

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