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
May's arrival signals an increase in average high-temperatures, moving from April's mild 60.1°F (15.6°C) to an agreeable 69.4°F (20.8°C). An average low-temperature of 52.7°F (11.5°C) is common during the nights of May.Humidity
The average relative humidity in May is 81%.Rainfall
In May, in Lacona, the rain falls for 16.7 days. Throughout May, 3.7" (94mm) of precipitation is accumulated. In Lacona, Iowa, during the entire year, the rain falls for 131.1 days and collects up to 25.71" (653mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Lacona aggregates 0.28" (7mm) of snow. Throughout the year, there are 33.4 snowfall days, and 13.54" (344mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 31min.On the first day of May in Lacona, sunrise is at 6:09 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:39 pm CDT.
Sunshine
The average sunshine in May in Lacona is 8.5h.UV index
In Lacona, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Lacona?
What is the average humidity in May in Lacona?
How much does it rain in Lacona in May?
What is the last month it snows in Lacona?
How many hours of daylight does Lacona have in May?
When are sunrise and sunset in May in Lacona?
How long on average sun shines in May in Lacona?
What is the UV index reading in May in Lacona?
Average temperature in May
Lacona, IA
- Average high temperature in May: 69.4°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 (29.3°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in May
Lacona, 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
Lacona, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Lacona, 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 (72%).
Average rainfall in May
Lacona, IA
- Average rainfall in May: 3.7"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
Lacona, IA
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in May
Lacona, IA
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lacona, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lacona, 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 18min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Lacona, IA
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in May
Lacona, 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).
Average cloud cover in May
Lacona, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in May
Lacona, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
Lacona, Iowa, USA
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