May weather forecast
Laramie, WY

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A broken pulley in front of a farmhouse in a ranch in Laramie, Wyoming
A broken pulley in front of a farmhouse in a ranch in Laramie, Wyoming

Weather in May

The merry month of May brings a fortification of spring in Laramie, Wyoming. With the last of the winter chill dissipated, a hint of the coming summer heat can be experienced. Temperature values veer into a more comfortable range, between 37°F (2.8°C) at night and 56.5°F (13.6°C) during the day. Abundant rainfall encourages the growth of fresh foliage, adding a riot of colors to the landscapes. The enhanced daylight, coupled with the gentle climate, makes outdoor activities an enjoyable prospect.

Temperature

May brings a temperature change, with average high-temperatures moving from April's frosty 46°F (7.8°C) to a mild 56.5°F (13.6°C). During May, Laramie records a consistent average nighttime temperature of 37°F (2.8°C).

Humidity

The average relative humidity in May is 58%.

Rainfall

May is the month with the most rainfall. Rain falls for 15.1 days and accumulates 2.68" (68mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In May, it is snowing for 7.4 days. Throughout May, 6.69" (170mm) of snow is accumulated. In Laramie, during the entire year, snow falls for 77.7 days and aggregates up to 44.8" (1138mm) of snow.

Daylight

In Laramie, the average length of the day in May is 14h and 31min.
On the first day of May, sunrise is at 5:58 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:28 pm MDT.

Sunshine

In May, the average sunshine is 10.3h.

UV index

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 4 during May leads to these advisories:
Exercise prevention - Precautions against solar damage are endorsed. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The average high-temperature, in May, in Laramie, is 56.5°F (13.6°C), while the average low-temperature is 37°F (2.8°C).

What is the average humidity in May?

In May, the average relative humidity is 58%.

What is the wettest month?

May is the month with the most rainfall in Laramie, Wyoming. Rain falls for 15.1 days and accumulates 2.68" (68mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 15.1 days. Throughout May, 2.68" (68mm) of precipitation is accumulated.

How much does it snow in May?

In May, it is snowing for 7.4 days. Throughout May, 6.69" (170mm) of snow is accumulated.

What is the average length of the day in May?

The average day length in May is 14h and 31min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:28 pm MDT.

How many hours of sunshine does Laramie have in May?

In May, the average sunshine duration is 10.3h.

What is the UV index reading in May?

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Laramie, WY

Average temperature in May - Laramie, WY
  • Average high temperature in May: 56.5°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (28.2°F).

  • Average low temperature in May: 37°F

The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is December (14.4°F).

Average pressure in May
Laramie, WY

Average pressure in May - Laramie, WY
  • 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 (29.88"Hg).

Average wind speed in May
Laramie, WY

Average wind speed in May - Laramie, WY
  • Average wind speed in May: 11.2mph

The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest month (with the lowest average wind speed) is July (9.3mph).

Average humidity in May
Laramie, WY

Average humidity in May - Laramie, WY
  • Average humidity in May: 58%

The months with the highest relative humidity are January and February (75%).
The month with the lowest relative humidity is August (43%).

Average rainfall in May
Laramie, WY

Average rainfall in May - Laramie, WY
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in May
Laramie, WY

Average rainfall days in May - Laramie, WY
  • Average rainfall days in May: 15.1 days

The months with the highest number of rainy days are May and July (15.1 days).
The months with the least rainy days are January, February and November (2.9 days).

Average snowfall in May
Laramie, WY

Average snowfall in May - Laramie, WY
  • Average snowfall in May: 6.69"

The month with the highest snowfall is April (9.76").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Laramie, WY

Average snowfall days in May - Laramie, WY
  • Average snowfall days in May: 7.4 days

The month with the highest number of snowfall days is April (12.5 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Laramie, WY
  • 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: 10h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).

Average sunshine days in May
Laramie, WY

Average sunshine days in May - Laramie, WY
  • Average sunshine days in May: 8.9 days

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is May (8.9 days).

Average UV index in May
Laramie, WY

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in May
Laramie, WY

Average cloud cover in May - Laramie, WY
  • Average cloud cover in May: 31

The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is September (Cloud cover 17).

Average visibility in May
Laramie, WY

Average visibility in May - Laramie, 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).

Laramie, Wyoming, USA

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