May weather forecast
Story, WY

Share

Weather in May

The last month of the spring, May, is a mild month in Story, Wyoming, with an average temperature ranging between min 39.4°F (4.1°C) and max 57.2°F (14°C).

Temperature

The beginning of May marks a shift in the average high-temperature, moving from April's chilly 47.1°F (8.4°C) to a mild 57.2°F (14°C). During the May nights, an average temperature of 39.4°F (4.1°C) is observed in Story.

Humidity

In Story, Wyoming, the average relative humidity in May is 67%.

Rainfall

May is the month with the most rainfall in Story. Rain falls for 22.3 days and accumulates 3.43" (87mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Story. May is the last month it regularly snows in Story. During 2 snowfall days, in May, Story aggregates 2.17" (55mm) of snow. In Story, during the entire year, snow falls for 78.9 days and aggregates up to 46.3" (1176mm) of snow.

Daylight

In Story, Wyoming, the average length of the day in May is 14h and 50min.
On the first day of May, sunrise is at 5:56 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:45 pm MDT.

Sunshine

The average sunshine in May is 10.5h.

UV index

In May, the average daily maximum UV index in Story, Wyoming, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, a daily UV index of 4 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
[Resources]

Frequently asked questions

What are the temperatures in Story in May?

In Story, in May, the average high-temperature is 57.2°F (14°C), and the average low-temperature is 39.4°F (4.1°C).

What is the average humidity in May in Story?

In Story, the average relative humidity in May is 67%.

What is the wettest month in Story?

May is the month with the most rainfall in Story. Rain falls for 22.3 days and accumulates 3.43" (87mm) of precipitation.

How many days does it rain in May in Story?

In Story, during May, the rain falls for 22.3 days and regularly aggregates up to 3.43" (87mm) of precipitation.

What is the last month it snows in Story?

May is the last month it regularly snows. During 2 snowfall days, in May, Story aggregates 2.17" (55mm) of snow.

What is the average length of the day in May in Story?

In May, the average day length is 14h and 50min.

When are sunrise and sunset in May in Story?

In May, on the first day of the month, sunrise is at 5:56 am and sunset at 8:12 pm. On the last day of the month, in Story, sunrise is at 5:25 am and sunset at 8:45 pm MDT.

How long on average sun shines in May in Story?

The average sunshine duration in May in Story, Wyoming, is 10.5h.

How high is the UV index in May in Story?

In May, the average daily maximum UV index in Story, Wyoming, is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Story, WY

Average temperature in May - Story, WY
  • Average high temperature in May: 57.2°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (29.1°F).

  • Average low temperature in May: 39.4°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

[Resources]

Average pressure in May
Story, WY

Average pressure in May - Story, WY
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

[Resources]

Average wind speed in May
Story, WY

Average wind speed in May - Story, WY
  • Average wind speed in May: 7.2mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

[Resources]

Average humidity in May
Story, WY

Average humidity in May - Story, WY
  • Average humidity in May: 67%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (46%).

[Resources]

Average rainfall in May
Story, WY

Average rainfall in May - Story, WY
  • Average rainfall in May: 3.43"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (0.75").

[Resources]

Average rainfall days in May
Story, WY

Average rainfall days in May - Story, WY
  • Average rainfall days in May: 22.3 days

The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (7.5 days).

[Resources]

Average snowfall in May
Story, WY

Average snowfall in May - Story, WY
  • Average snowfall in May: 2.17"

The month with the highest snowfall is April (8.7").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in May
Story, WY

Average snowfall days in May - Story, WY
  • Average snowfall days in May: 2 days

The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Story, WY

Average daylight in May / Average sunshine in May - Story, WY
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

[Resources]

Average sunshine days in May
Story, WY

Average sunshine days in May - Story, WY
  • Average sunshine days in May: 5.8 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is May (5.8 days).

[Resources]

Average UV index in May
Story, WY

Average UV index in May - Story, WY
  • Average UV index in May: 4

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

[Resources]

Average cloud cover in May
Story, WY

Average cloud cover in May - Story, WY
  • Average cloud cover in May: 33

The months with the most cloud cover are February and April (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 15).

[Resources]

Average visibility in May
Story, WY

Average visibility in May - Story, WY
  • 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).

[Resources]

Story, Wyoming, USA

Weather forecast for your location

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