May weather forecast
Hammond, IL

Share

Weather in May

The last month of the spring, May, is a pleasant month in Hammond, Illinois, with an average temperature fluctuating between 72.9°F (22.7°C) and 56.5°F (13.6°C).

Temperature

Hammond in May sees a temperature change, with average high-temperatures moving from an enjoyable 61.5°F (16.4°C) in April to a pleasant 72.9°F (22.7°C). In Hammond, the nighttime temperature averages to a mild 56.5°F (13.6°C) during May.

Humidity

The average relative humidity in May is 77%.

Rainfall

The months with the most rainfall are April and May, with an average 2.56" (65mm) of precipitation.

Snowfall

In Hammond, snow does not fall in May through October.

Daylight

In May, the average length of the day in Hammond is 14h and 23min.
On the first day of the month, sunrise is at 5:53 am and sunset at 7:49 pm. On the last day of May, sunrise is at 5:28 am and sunset at 8:16 pm CDT.

Sunshine

In May, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

What is the average May temperature?

The average high-temperature and low-temperature during May are 72.9°F (22.7°C) and 56.5°F (13.6°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 77%.

What is the wettest month?

The months with the most rainfall are April and May, with an average 2.56" (65mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 16.5 days. Throughout May, 2.56" (65mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

How many hours of daylight does Hammond have in May?

The average day length in May is 14h and 23min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 5:53 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:16 pm CDT.

How many hours of sunshine does Hammond have in May?

In Hammond, the average sunshine duration in May is 9.1h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Hammond, IL

Average temperature in May - Hammond, IL
  • Average high temperature in May: 72.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in May: 56.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

Average pressure in May
Hammond, IL

Average pressure in May - Hammond, IL
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Hammond, IL

Average wind speed in May - Hammond, IL
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in May
Hammond, IL

Average humidity in May - Hammond, IL
  • Average humidity in May: 77%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May
Hammond, IL

Average rainfall in May - Hammond, IL
  • Average rainfall in May: 2.56"

The wettest months (with the highest rainfall) are April and May (2.56").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days in May
Hammond, IL

Average rainfall days in May - Hammond, IL
  • Average rainfall days in May: 16.5 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (6.5 days).

Average snowfall in May
Hammond, IL

Average snowfall in May - Hammond, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Hammond, IL

Average snowfall days in May - Hammond, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (9.3 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
Hammond, IL

Average daylight in May / Average sunshine in May - Hammond, IL
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in May
Hammond, IL

Average sunshine days in May - Hammond, IL
  • Average sunshine days in May: 10.8 days

The months with the most sunshine days are October and November (18.1 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in May
Hammond, IL

Average UV index in May - Hammond, 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
Hammond, IL

Average cloud cover in May - Hammond, IL
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June and September (Cloud cover 31).

Average visibility in May
Hammond, IL

Average visibility in May - Hammond, IL
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

Hammond, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location