May weather forecast
Smithson, IN

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Weather in May

The last month of the spring, May, is an agreeable month in Smithson, Indiana, with an average temperature ranging between min 54.5°F (12.5°C) and max 71.1°F (21.7°C).

Temperature

May witnesses an increase in the average high-temperature, moving from a mild 59.4°F (15.2°C) in April to a pleasant 71.1°F (21.7°C). In the month of May, an average of 54.5°F (12.5°C) marks the low-temperature.

Humidity

The average relative humidity in May is 77%.

Rainfall

The month with the most rainfall is May, when the rain falls for 19.2 days and typically aggregates up to 3.11" (79mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in May is 14h and 28min.
On the first day of the month, sunrise is at 6:44 am and sunset at 8:44 pm. On the last day of May, sunrise is at 6:18 am and sunset at 9:12 pm EDT.

Sunshine

In Smithson, the average sunshine in May is 8.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Smithson?

In Smithson, 71.1°F (21.7°C) is the average high-temperature and 54.5°F (12.5°C) is the average low-temperature during May.

What is the average humidity in May in Smithson?

The average relative humidity in May in Smithson is 77%.

What is the rainiest month in Smithson?

The month with the most rainfall in Smithson is May, when the rain falls for 19.2 days and typically aggregates up to 3.11" (79mm) of precipitation.

How much does it rain in Smithson in May?

In Smithson, in May, it is raining for 19.2 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow in Smithson?

May through October are months without snowfall in Smithson, Indiana.

Does it snow in Smithson 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 Smithson?

In May, the average day length is 14h and 28min.

When are sunrise and sunset in May in Smithson?

In May, on the first day of the month, sunrise is at 6:44 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 9:12 pm EDT.

How many hours of sunshine does Smithson have in May?

In Smithson, the average sunshine duration in May is 8.6h.

What is the UV index intensity in May in Smithson?

In Smithson, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Smithson, IN

Average temperature in May - Smithson, IN
  • Average high temperature in May: 71.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in May
Smithson, IN

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Smithson, IN

Average wind speed in May - Smithson, IN
  • Average wind speed in May: 8.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in May
Smithson, IN

Average humidity in May - Smithson, IN
  • Average humidity in May: 77%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Smithson, IN

Average rainfall in May - Smithson, IN
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in May
Smithson, IN

Average rainfall days in May - Smithson, IN
  • Average rainfall days in May: 19.2 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in May
Smithson, IN

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

The month with the highest snowfall is January (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Smithson, IN

Average snowfall days in May - Smithson, IN
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Smithson, IN
  • Average daylight in May: 14h and 3min

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: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Smithson, IN

Average sunshine days in May - Smithson, IN
  • Average sunshine days in May: 9.4 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (9.4 days).

Average UV index in May
Smithson, IN

Average UV index in May - Smithson, IN
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Smithson, IN

Average cloud cover in May - Smithson, IN
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Smithson, IN

Average visibility in May - Smithson, IN
  • Average visibility in May: 6mi

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

Smithson, Indiana, USA

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