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
Noticing a change, the average high-temperature during May moves from April's moderate 60.3°F (15.7°C) to an agreeable 69.4°F (20.8°C). May brings with it a nighttime average temperature of 52.7°F (11.5°C) in Hamilton.Humidity
In May, the average relative humidity in Hamilton is 81%.Rainfall
In Hamilton, Iowa, in May, during 16 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Hamilton, during the entire year, the rain falls for 119 days and collects up to 19.02" (483mm) of precipitation.Snowfall
Months with snowfall in Hamilton, Iowa, are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Hamilton aggregates 0.04" (1mm) of snow. Throughout the year, there are 28.3 snowfall days, and 10.28" (261mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 31min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:09 pm. On the last day of May, in Hamilton, Iowa, sunrise is at 5:41 am and sunset at 8:37 pm CDT.
Sunshine
In Hamilton, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May in Hamilton is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Hamilton in May?
What is the average humidity in May in Hamilton?
How much does it rain in Hamilton in May?
What is the last month it snows in Hamilton?
What is the average length of the day in May in Hamilton?
When are sunrise and sunset in May in Hamilton?
How many hours of sunshine does Hamilton have in May?
How high is the UV index in May in Hamilton?
Average temperature in May
Hamilton, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (82.9°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 (66°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in May
Hamilton, 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
Hamilton, IA
- Average wind speed in May: 8.8mph
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 (7mph).
Average humidity in May
Hamilton, 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
Hamilton, IA
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is June (2.99").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in May
Hamilton, IA
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (4 days).
Average snowfall in May
Hamilton, IA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hamilton, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hamilton, 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 4min
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 6min).
Average sunshine days in May
Hamilton, IA
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in May
Hamilton, 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
Hamilton, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Hamilton, 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).
Hamilton, Iowa, USA
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