May weather forecastHamilton, IL

May

Weather in May

May, the last month of the spring in Hamilton, is a pleasant month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 54.9°F (12.7°C).

Temperature

The arrival of May brings an increase in high-temperatures, moving from a refreshing 61.9°F (16.6°C) in April to an agreeable 71.6°F (22°C). Throughout May, the temperature in Hamilton, Illinois, falls to an average low of 54.9°F (12.7°C).

Humidity

The average relative humidity in May in Hamilton is 79%.

Rainfall

The month with the most rainfall in Hamilton is May, when the rain falls for 16.8 days and typically aggregates up to 2.91" (74mm) of precipitation.

Snowfall

May through September are months without snowfall in Hamilton.

Daylight

The average length of the day in May is 14h and 26min.
On the first day of May in Hamilton, sunrise is at 6:03 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:28 pm CDT.

Sunshine

In May, the average sunshine in Hamilton is 9h.

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 unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In May, the average high-temperature and low-temperature are 71.6°F (22°C) and 54.9°F (12.7°C) respectively.

In Hamilton, the average relative humidity in May is 79%.

May is the month with the most rainfall in Hamilton, Illinois. Rain falls for 16.8 days and accumulates 2.91" (74mm) of precipitation.

In Hamilton, in May, it is raining for 16.8 days, with typically 2.91" (74mm) of accumulated precipitation.

In Hamilton, Illinois, snow does not fall in May through September.

In May, in Hamilton, Illinois, it doesn't snow. April is the latest month when it typically snows.

In Hamilton, the average day length in May is 14h and 26min.

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 8:01 pm. On the last day of the month, in Hamilton, sunrise is at 5:37 am and sunset at 8:28 pm CDT.

In Hamilton, Illinois, the average sunshine duration in May is 9h.

In Hamilton, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Hamilton, IL

  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in May: 54.9°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 (19.2°F).

Average pressure in May
Hamilton, IL

  • 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
Hamilton, IL

  • Average wind speed in May: 8.6mph

The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in May
Hamilton, IL

  • Average humidity in May: 79%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May
Hamilton, IL

  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (0.83").

Average rainfall days in May
Hamilton, IL

  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.5 days).

Average snowfall in May
Hamilton, IL

  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Hamilton, IL

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (7.9 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
Hamilton, IL

  • Average daylight in May: 14h and 24min

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: 9h and 0min

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 18min).

Average sunshine days in May
Hamilton, IL

  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in May
Hamilton, IL

  • 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
Hamilton, IL

  • Average cloud cover in May: 39

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 28).

Average visibility in May
Hamilton, IL

  • 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).