May weather forecastHamlin, IA
May
Weather in May
The last month of the spring, May, is an agreeable month in Hamlin, Iowa, with an average temperature ranging between max 68.9°F (20.5°C) and min 52.7°F (11.5°C).Temperature
May brings a temperature increase, with average high-temperatures moving from April's mild 58.6°F (14.8°C) to a pleasant 68.9°F (20.5°C). Throughout May, the temperature falls to an average low of 52.7°F (11.5°C).Humidity
In Hamlin, the average relative humidity in May is 75%.Rainfall
In May, the rain falls for 16.5 days. Throughout May, 3.62" (92mm) of precipitation is accumulated. Throughout the year, there are 127.8 rainfall days, and 24.88" (632mm) of precipitation is accumulated.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, Hamlin aggregates 0.16" (4mm) of snow. In Hamlin, during the entire year, snow falls for 38 days and aggregates up to 12.72" (323mm) of snow.Daylight
In Hamlin, the average length of the day in May is 14h and 33min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:18 pm. On the last day of May, sunrise is at 5:47 am and sunset at 8:47 pm CDT.
Sunshine
In May, the average sunshine in Hamlin, Iowa, is 8.7h.UV index
In May, the average daily maximum UV index in Hamlin, Iowa, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during May translates into the following guidance:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. 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
Average temperature in May
Hamlin, IA
- Average high temperature in May: 68.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in May
Hamlin, 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 (29.88"Hg).
Average wind speed in May
Hamlin, IA
- Average wind speed in May: 9.2mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in May
Hamlin, IA
- Average humidity in May: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Hamlin, IA
- Average rainfall in May: 3.62"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in May
Hamlin, IA
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Hamlin, IA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hamlin, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hamlin, IA
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 42min
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
Hamlin, IA
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Hamlin, 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, November and December (UV index 2).
Average cloud cover in May
Hamlin, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Hamlin, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





