May weather forecast
Simpson, KS

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Weather in May

The last month of the spring, May, is a moderately hot month in Simpson, Kansas, with an average temperature ranging between max 73.9°F (23.3°C) and min 54.1°F (12.3°C).

Temperature

May introduces a minor temperature shift, with average high-temperatures adjusting from April's refreshing 65.1°F (18.4°C) to a moderately hot 73.9°F (23.3°C). In Simpson, the nighttime temperature averages to a fresh 54.1°F (12.3°C) during May.

Humidity

The months with the highest humidity in Simpson are January and May, with an average relative humidity of 71%.

Rainfall

The month with the most rainfall is May, when the rain falls for 15.5 days and typically aggregates up to 3.9" (99mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Simpson aggregates 0.16" (4mm) of snow. In Simpson, during the entire year, snow falls for 20.8 days and aggregates up to 9.09" (231mm) of snow.

Daylight

In May, the average length of the day in Simpson is 14h and 22min.
On the first day of May, sunrise is at 6:31 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:52 pm CDT.

Sunshine

In Simpson, the average sunshine in May is 9.2h.

UV index

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 6 in May translates into the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

What are the temperatures in May?

The average high-temperature, in May, in Simpson, is 73.9°F (23.3°C), while the average low-temperature is 54.1°F (12.3°C).

What is the most humid month?

The months with the highest humidity are January and May, with an average relative humidity of 71%.

What is the average humidity in May?

The average relative humidity in May in Simpson is 71%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 15.5 days and typically aggregates up to 3.9" (99mm) of precipitation.

How much does it rain in May?

In Simpson, in May, during 15.5 rainfall days, 3.9" (99mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Simpson aggregates 0.16" (4mm) of snow.

What is the average length of the day in May?

In Simpson, the average day length in May is 14h and 22min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:31 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:52 pm CDT.

How many hours of sunshine does Simpson have in May?

In May, the average sunshine duration is 9.2h.

What is the UV index reading in May?

In Simpson, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health 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
Simpson, KS

Average temperature in May - Simpson, KS
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in May
Simpson, KS

Average pressure in May - Simpson, KS
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in May
Simpson, KS

Average wind speed in May - Simpson, KS
  • Average wind speed in May: 10.1mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

Average humidity in May
Simpson, KS

Average humidity in May - Simpson, KS
  • Average humidity in May: 71%

The months with the highest relative humidity are January and May (71%).
The month with the lowest relative humidity is July (60%).

Average rainfall in May
Simpson, KS

Average rainfall in May - Simpson, KS
  • Average rainfall in May: 3.9"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in May
Simpson, KS

Average rainfall days in May - Simpson, KS
  • Average rainfall days in May: 15.5 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (3.3 days).

Average snowfall in May
Simpson, KS

Average snowfall in May - Simpson, KS
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (2.44").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Simpson, KS

Average snowfall days in May - Simpson, KS
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Simpson, KS
  • 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: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in May
Simpson, KS

Average sunshine days in May - Simpson, KS
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in May
Simpson, KS

Average UV index in May - Simpson, KS
  • Average UV index in May: 6

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Simpson, KS

Average cloud cover in May - Simpson, KS
  • Average cloud cover in May: 37

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is June (Cloud cover 22).

Average visibility in May
Simpson, KS

Average visibility in May - Simpson, KS
  • 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).

Simpson, Kansas, USA

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