Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
With the onset of May, May City experiences a temperature shift, with the average high-temperature moving from a mild 55.4°F (13°C) in April to a comfortable 67.6°F (19.8°C). May City's nighttime temperature during May is consistently averaged at a cool 51.3°F (10.7°C).Humidity
The average relative humidity in May is 69%.Rainfall
May is the month with the most rainfall. Rain falls for 12.8 days and accumulates 1.46" (37mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, May City aggregates 0.08" (2mm) of snow. In May City, during the entire year, snow falls for 40.2 days and aggregates up to 5.79" (147mm) of snow.Daylight
In May, the average length of the day in May City is 14h and 43min.On the first day of May in May City, Iowa, sunrise is at 6:13 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:55 pm CDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index in May City is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May City in May?
What is the average humidity in May in May City?
What is the wettest month in May City?
How much does it rain in May City in May?
What is the last month it snows in May City?
How many hours of daylight does May City have in May?
What time are sunrise and sunset in May in May City?
How long on average sun shines in May in May City?
How high is the UV index in May in May City?
Average temperature in May
May City, IA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in May: 51.3°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 (9.9°F).
Average pressure in May
May City, 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
May City, IA
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in May
May City, IA
- Average humidity in May: 69%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
May City, IA
- Average rainfall in May: 1.46"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in May
May City, IA
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2 days).
Average snowfall in May
May City, IA
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
May City, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
May City, 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 0min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
May City, IA
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in May
May City, 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 and November (UV index 1).
Average cloud cover in May
May City, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
May City, 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).
May City, Iowa, USA
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