May weather forecast
Sweetwater Station, WY

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Weather in May

The last month of the spring, May, is a moderate month in Sweetwater Station, Wyoming, with an average temperature varying between 39°F (3.9°C) and 58.8°F (14.9°C).

Temperature

Sweetwater Station in May sees a temperature change, with average high-temperatures moving from a frosty 47.8°F (8.8°C) in April to a moderate 58.8°F (14.9°C). Sweetwater Station encounters an average low-temperature of 39°F (3.9°C) during May nights.

Humidity

In May, the average relative humidity is 54%.

Rainfall

In May, the rain falls for 12.8 days. Throughout May, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 92.3 rainfall days, and 9.92" (252mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 2.3 snowfall days, in May, Sweetwater Station aggregates 3.5" (89mm) of snow. Throughout the year, there are 56.6 snowfall days, and 39.65" (1007mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 38min.
On the first day of May, sunrise is at 6:06 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:43 pm MDT.

Sunshine

In Sweetwater Station, the average sunshine in May is 11.1h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 4 transforms into these recommendations:
Take precautions - Protection against sun damage is advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

In Sweetwater Station, in May, the average high-temperature is 58.8°F (14.9°C), and the average low-temperature is 39°F (3.9°C).

What is the average humidity in May?

In Sweetwater Station, the average relative humidity in May is 54%.

How much does it rain in May?

In Sweetwater Station, during May, the rain falls for 12.8 days and regularly aggregates up to 1.73" (44mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 2.3 snowfall days, in May, Sweetwater Station aggregates 3.5" (89mm) of snow.

How many hours of daylight does Sweetwater Station have in May?

In Sweetwater Station, the average day length in May is 14h and 38min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:06 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:43 pm MDT.

How long on average sun shines in May in Sweetwater Station?

In Sweetwater Station, the average sunshine duration in May is 11.1h.

What is the UV index reading in May?

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Sweetwater Station, WY

Average temperature in May - Sweetwater Station, WY
  • Average high temperature in May: 58.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in May: 39°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

Average pressure in May
Sweetwater Station, WY

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

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in May
Sweetwater Station, WY

Average wind speed in May - Sweetwater Station, WY
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in May
Sweetwater Station, WY

Average humidity in May - Sweetwater Station, WY
  • Average humidity in May: 54%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (34%).

Average rainfall in May
Sweetwater Station, WY

Average rainfall in May - Sweetwater Station, WY
  • Average rainfall in May: 1.73"

The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in May
Sweetwater Station, WY

Average rainfall days in May - Sweetwater Station, WY
  • Average rainfall days in May: 12.8 days

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is November (4.8 days).

Average snowfall in May
Sweetwater Station, WY

Average snowfall in May - Sweetwater Station, WY
  • Average snowfall in May: 3.5"

The month with the highest snowfall is April (8.15").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Sweetwater Station, WY

Average snowfall days in May - Sweetwater Station, WY
  • Average snowfall days in May: 2.3 days

The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Sweetwater Station, WY

Average daylight in May / Average sunshine in May - Sweetwater Station, WY
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 54min).

Average sunshine days in May
Sweetwater Station, WY

Average sunshine days in May - Sweetwater Station, WY
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in May
Sweetwater Station, WY

Average UV index in May - Sweetwater Station, 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).

Average cloud cover in May
Sweetwater Station, WY

Average cloud cover in May - Sweetwater Station, WY
  • Average cloud cover in May: 25

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in May
Sweetwater Station, WY

Average visibility in May - Sweetwater Station, 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).

Sweetwater Station, Wyoming, USA

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