May weather forecast
Cumming, IA

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Weather in May

May, the last month of the spring in Cumming, is an agreeable month, with an average temperature varying between 53.1°F (11.7°C) and 69.6°F (20.9°C).

Temperature

An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a refreshing 59.7°F (15.4°C) to an agreeable 69.6°F (20.9°C). In Cumming, May nights cool down to an average of 53.1°F (11.7°C).

Humidity

In Cumming, the average relative humidity in May is 78%.

Rainfall

The month with the most rainfall in Cumming is May, when the rain falls for 15.3 days and typically aggregates up to 2.76" (70mm) of precipitation.

Snowfall

Months with snowfall in Cumming, Iowa, are January through May, October through December. May is the last month it regularly snows in Cumming. During 0.2 snowfall days, in May, Cumming aggregates 0.08" (2mm) of snow. In Cumming, during the entire year, snow falls for 30.9 days and aggregates up to 7.36" (187mm) of snow.

Daylight

In May, the average length of the day is 14h and 32min.
On the first day of May, sunrise is at 6:10 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:42 pm CDT.

Sunshine

The average sunshine in May in Cumming is 8.6h.

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 unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What are the temperatures in Cumming in May?

In Cumming, 69.6°F (20.9°C) is the average high-temperature and 53.1°F (11.7°C) is the average low-temperature during May.

What is the average humidity in May in Cumming?

In Cumming, the average relative humidity in May is 78%.

What is the wettest month in Cumming?

May is the month with the most rainfall in Cumming, Iowa. Rain falls for 15.3 days and accumulates 2.76" (70mm) of precipitation.

How much does it rain in Cumming in May?

In Cumming, Iowa, in May, during 15.3 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

What is the last month it snows in Cumming?

May is the last month it regularly snows in Cumming. During 0.2 snowfall days, in May, Cumming aggregates 0.08" (2mm) of snow.

How many hours of daylight does Cumming have in May?

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

When is the sunrise / sunset in May in Cumming?

In May, on the first day of the month, sunrise is at 6:10 am and sunset at 8:13 pm. On the last day of the month, in Cumming, Iowa, sunrise is at 5:43 am and sunset at 8:42 pm CDT.

How long on average sun shines in May in Cumming?

In Cumming, Iowa, the average sunshine duration in May is 8.6h.

How high is the UV index in May in Cumming?

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

Average temperature in May - Cumming, IA
  • Average high temperature in May: 69.6°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in May: 53.1°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in May
Cumming, IA

Average pressure in May - Cumming, 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 (29.88"Hg).

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Average wind speed in May
Cumming, IA

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

The windiest months (with the highest average wind speed) are January, February, March and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in May
Cumming, IA

Average humidity in May - Cumming, IA
  • Average humidity in May: 78%

The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Cumming, IA

Average rainfall in May - Cumming, IA
  • Average rainfall in May: 2.76"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in May
Cumming, IA

Average rainfall days in May - Cumming, IA
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3 days).

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Average snowfall in May
Cumming, IA

Average snowfall in May - Cumming, IA
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (2.24").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Cumming, IA

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

The month with the highest number of snowfall days is January (8.7 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
Cumming, IA

Average daylight in May / Average sunshine in May - Cumming, 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 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 18min).

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Average sunshine days in May
Cumming, IA

Average sunshine days in May - Cumming, IA
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is June (12.2 days).

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Average UV index in May
Cumming, IA

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

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

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Average cloud cover in May
Cumming, IA

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

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).

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Average visibility in May
Cumming, IA

Average visibility in May - Cumming, 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).

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Cumming, Iowa, USA

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