May weather forecast
Geneva, IA

Share

Weather in May

The last month of the spring, May, is an enjoyable month in Geneva, Iowa, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 51.6°F (10.9°C).

Temperature

An increase in the average high-temperature marks May, moving from April's mild 55.9°F (13.3°C) to a comfortable 67.8°F (19.9°C). Throughout the month of May, Geneva observes an average nighttime temperature of 51.6°F (10.9°C).

Humidity

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

Rainfall

In Geneva, Iowa, in May, during 19.4 rainfall days, 4.25" (108mm) of precipitation is typically accumulated. In Geneva, during the entire year, the rain falls for 146.2 days and collects up to 29.69" (754mm) 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, Geneva aggregates 0.39" (10mm) of snow. In Geneva, during the entire year, snow falls for 56 days and aggregates up to 24.45" (621mm) of snow.

Daylight

In Geneva, the average length of the day in May is 14h and 39min.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:13 pm. On the last day of May, in Geneva, sunrise is at 5:37 am and sunset at 8:43 pm CDT.

Sunshine

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 Geneva, Iowa. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
[Resources]

Frequently asked questions

What is the temperature in May in Geneva?

In Geneva, 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 Geneva?

In May, the average relative humidity is 75%.

How many days does it rain in May in Geneva?

In Geneva, during May, the rain falls for 19.4 days and regularly aggregates up to 4.25" (108mm) of precipitation.

What is the last month it snows in Geneva?

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

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

In Geneva, the average day length in May is 14h and 39min.

When are sunrise and sunset in May in Geneva?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 8:13 pm. On the last day of the month, in Geneva, Iowa, sunrise is at 5:37 am and sunset at 8:43 pm CDT.

How many hours of sunshine does Geneva have in May?

In May, the average sunshine duration is 8.5h.

What are the months with the highest UV index in Geneva?

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

How high is the UV index in May in Geneva?

In Geneva, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to 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
Geneva, IA

Average temperature in May - Geneva, 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).

[Resources]

Average pressure in May
Geneva, IA

Average pressure in May - Geneva, 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).

[Resources]

Average wind speed in May
Geneva, IA

Average wind speed in May - Geneva, 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).

[Resources]

Average humidity in May
Geneva, IA

Average humidity in May - Geneva, 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%).

[Resources]

Average rainfall in May
Geneva, IA

Average rainfall in May - Geneva, 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").

[Resources]

Average rainfall days in May
Geneva, IA

Average rainfall days in May - Geneva, 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).

[Resources]

Average snowfall in May
Geneva, IA

Average snowfall in May - Geneva, 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").

[Resources]

Average snowfall days in May
Geneva, IA

Average snowfall days in May - Geneva, 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).

[Resources]

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

Average daylight in May / Average sunshine in May - Geneva, 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).

[Resources]

Average sunshine days in May
Geneva, IA

Average sunshine days in May - Geneva, 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).

[Resources]

Average UV index in May
Geneva, IA

Average UV index in May - Geneva, 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).

[Resources]

Average cloud cover in May
Geneva, IA

Average cloud cover in May - Geneva, 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).

[Resources]

Average visibility in May
Geneva, IA

Average visibility in May - Geneva, 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).

[Resources]

Geneva, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location