May weather forecast
Simpson, IN

Share

Weather in May

The last month of the spring, May, is an agreeable month in Simpson, Indiana, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 53.2°F (11.8°C).

Temperature

An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a mild 58.6°F (14.8°C) to an agreeable 70.5°F (21.4°C). May witnesses an average nighttime temperature of 53.2°F (11.8°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

In Simpson, in May, during 18.3 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Simpson, during the entire year, the rain falls for 153.8 days and collects up to 25" (635mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May is 14h and 29min.
On the first day of the month, sunrise is at 6:38 am and sunset at 8:38 pm. On the last day of May, sunrise is at 6:12 am and sunset at 9:06 pm EDT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

In Simpson, the average daily maximum UV index in May 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 the average person.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. To guard against the harmful effects of the Sun, minimize exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Frequently asked questions

What is the average May temperature?

An average high-temperature, in May, in Simpson, is 70.5°F (21.4°C) and the average low-temperature is 53.2°F (11.8°C).

What is the average humidity in May?

In May, the average relative humidity is 78%.

How many days does it rain in May?

In May, the rain falls for 18.3 days. Throughout May, 2.99" (76mm) of precipitation is accumulated.

When it does not snow?

In Simpson, snow does not fall in May through September.

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 Simpson have in May?

In May, the average day length is 14h and 29min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:38 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 9:06 pm EDT.

How many hours of sunshine does Simpson have in May?

In May, the average sunshine duration is 8.4h.

How high is the UV index in May?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Simpson, IN

Average temperature in May - Simpson, IN
  • Average high temperature in May: 70.5°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in May: 53.2°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in May
Simpson, IN

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

The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Simpson, IN

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in May
Simpson, IN

Average humidity in May - Simpson, IN
  • Average humidity in May: 78%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).

Average rainfall in May
Simpson, IN

Average rainfall in May - Simpson, IN
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in May
Simpson, IN

Average rainfall days in May - Simpson, IN
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in May
Simpson, IN

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

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Simpson, IN

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

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Simpson, IN
  • 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in May
Simpson, IN

Average sunshine days in May - Simpson, IN
  • Average sunshine days in May: 10.5 days

The month with the most sunshine days is October (16 days).
The months with the least sunshine days are February and May (10.5 days).

Average UV index in May
Simpson, IN

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Simpson, IN

Average cloud cover in May - Simpson, IN
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Simpson, IN

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

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

Simpson, Indiana, USA

Weather forecast for your location

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