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
Selma sees an increase in the average high-temperature with the arrival of May, moving from April's moderate 60.4°F (15.8°C) to an agreeable 70.3°F (21.3°C). Throughout May, an average nighttime temperature of 53.6°F (12°C) is experienced.Humidity
In Selma, the average relative humidity in May is 81%.Rainfall
In May, in Selma, the rain falls for 16.8 days. Throughout May, 3.58" (91mm) of precipitation is accumulated. Throughout the year, there are 133.4 rainfall days, and 26.54" (674mm) of precipitation is accumulated.Snowfall
In Selma, snow does not fall in May through September.Daylight
In Selma, the average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 6:05 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:33 pm CDT.
Sunshine
The average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in Selma in May?
When it does not snow?
Does it snow in Selma in May?
How many hours of daylight does Selma have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Selma have in May?
What is the UV index intensity in May in Selma?
Average temperature in May
Selma, IA
- Average high temperature in May: 70.3°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 (30.2°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in May
Selma, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Selma, IA
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Selma, 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
Selma, IA
- Average rainfall in May: 3.58"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in May
Selma, IA
- Average rainfall days in May: 16.8 days
The months with the highest number of rainy days are May and June (16.8 days).
The months with the least rainy days are January and February (6 days).
Average snowfall in May
Selma, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.84").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Selma, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Selma, 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 5min
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 18min).
Average sunshine days in May
Selma, IA
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in May
Selma, 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, November and December (UV index 2).
Average cloud cover in May
Selma, IA
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 28).
Average visibility in May
Selma, 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).
Selma, Iowa, USA
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