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
The start of May brings a rise in the average high-temperature, moving from an enjoyable 60.8°F (16°C) in April to an agreeable 69.8°F (21°C). Throughout the month of May, Lamoni sees a steady low-temperature average of 53.2°F (11.8°C).Humidity
The average relative humidity in May is 81%.Rainfall
In Lamoni, in May, during 17.3 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 124.4 rainfall days, and 21.42" (544mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Lamoni aggregates 0.16" (4mm) of snow. Throughout the year, there are 27.9 snowfall days, and 10.83" (275mm) of snow is accumulated.Daylight
In Lamoni, the average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 6:13 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:40 pm CDT.
Sunshine
In Lamoni, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in May leads to these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Lamoni have in May?
What is the UV index reading in May?
Average temperature in May
Lamoni, IA
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in May
Lamoni, 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 (29.89"Hg).
Average wind speed in May
Lamoni, IA
- Average wind speed in May: 8.5mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Lamoni, IA
- Average humidity in May: 81%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Lamoni, IA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January, February and December (0.71").
Average rainfall days in May
Lamoni, IA
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Lamoni, IA
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lamoni, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lamoni, IA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 3min
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 30min).
Average sunshine days in May
Lamoni, IA
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in May
Lamoni, IA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Lamoni, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in May
Lamoni, 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).
Lamoni, Iowa, USA
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