May weather forecast
Lewis, IN

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Weather in May

The last month of the spring, May, is an agreeable month in Lewis, Indiana, with an average temperature varying between 73°F (22.8°C) and 56.3°F (13.5°C).

Temperature

The rise of average high-temperatures is seen in May, with an increase from an enjoyable 63.5°F (17.5°C) in April to an agreeable 73°F (22.8°C). Lewis, during May, witnesses an average low-temperature of 56.3°F (13.5°C).

Humidity

In Lewis, the average relative humidity in May is 81%.

Rainfall

In Lewis, during May, the rain falls for 18.8 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Lewis, during the entire year, the rain falls for 147.4 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May is 14h and 21min.
On the first day of May, sunrise is at 6:49 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 9:09 pm EDT.

Sunshine

In Lewis, the average sunshine in May is 8.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 5 during May leads to these advisories:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Lewis in May?

May temperatures vary between a high-temperature of 73°F (22.8°C) and a low-temperature of 56.3°F (13.5°C).

What is the average humidity in May?

In May, the average relative humidity is 81%.

How many days does it rain in May?

In Lewis, in May, it is raining for 18.8 days, with typically 2.95" (75mm) of accumulated precipitation.

When it does not snow in Lewis?

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.

What is the average length of the day in May?

In Lewis, the average day length in May is 14h and 21min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:49 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 9:09 pm EDT.

How long on average sun shines in May?

In Lewis, the average sunshine duration in May is 8.8h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Lewis, IN

Average temperature in May - Lewis, IN
  • Average high temperature in May: 73°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in May: 56.3°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 (23°F).

Average pressure in May
Lewis, IN

Average pressure in May - Lewis, IN
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Lewis, IN

Average wind speed in May - Lewis, IN
  • Average wind speed in May: 7.6mph

The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in May
Lewis, IN

Average humidity in May - Lewis, IN
  • Average humidity in May: 81%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Lewis, IN

Average rainfall in May - Lewis, IN
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is April (3.66").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in May
Lewis, IN

Average rainfall days in May - Lewis, IN
  • Average rainfall days in May: 18.8 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in May
Lewis, IN

Average snowfall in May - Lewis, IN
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Lewis, IN

Average snowfall days in May - Lewis, IN
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Lewis, IN

Average daylight in May / Average sunshine in May - Lewis, IN
  • 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 30min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

Average sunshine days in May
Lewis, IN

Average sunshine days in May - Lewis, IN
  • Average sunshine days in May: 9.1 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (9.1 days).

Average UV index in May
Lewis, IN

Average UV index in May - Lewis, IN
  • 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
Lewis, IN

Average cloud cover in May - Lewis, IN
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in May
Lewis, IN

Average visibility in May - Lewis, IN
  • 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).

Lewis, Indiana, USA

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