May weather forecast
Riner, WY

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Weather in May

The last month of the spring, May, is a moderate month in Riner, Wyoming, with an average temperature varying between 59.7°F (15.4°C) and 39.9°F (4.4°C).

Temperature

As Riner transitions into May, the average high-temperature is observed to rise from a chilly 47.8°F (8.8°C) in April to a moderate 59.7°F (15.4°C). During the month of May, an average temperature of 39.9°F (4.4°C) is noted during the nights.

Humidity

In May, the average relative humidity is 50%.

Rainfall

In Riner, in May, during 11.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, in Riner, there are 81.7 rainfall days, and 9.72" (247mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Riner are January through May, October through December. May is the last month it regularly snows. During 2.8 snowfall days, in May, Riner aggregates 1.61" (41mm) of snow. In Riner, Wyoming, during the entire year, snow falls for 80.6 days and aggregates up to 33.39" (848mm) of snow.

Daylight

The average length of the day in May is 14h and 34min.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:09 pm. On the last day of May, in Riner, sunrise is at 5:37 am and sunset at 8:38 pm MDT.

Sunshine

The average sunshine in May is 11h.

UV index

The average daily maximum UV index in May in Riner is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, the UV index of 4 transforms into the following advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What is the usual temperature for Riner in May?

In May, in Riner, the average high-temperature is 59.7°F (15.4°C), and the average low-temperature is 39.9°F (4.4°C).

What is the average humidity in May in Riner?

In Riner, the average relative humidity in May is 50%.

How many days does it rain in May in Riner?

In Riner, in May, during 11.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

What is the last month it snows in Riner?

May is the last month it regularly snows in Riner. During 2.8 snowfall days, in May, Riner aggregates 1.61" (41mm) of snow.

How many hours of daylight does Riner have in May?

In Riner, the average day length in May is 14h and 34min.

When are sunrise and sunset in May in Riner?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:38 pm MDT.

How many hours of sunshine does Riner have in May?

In May, the average sunshine duration in Riner, Wyoming, is 11h.

How high is the UV index in May in Riner?

In Riner, Wyoming, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes 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
Riner, WY

Average temperature in May - Riner, WY
  • Average high temperature in May: 59.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is December (26.4°F).

  • Average low temperature in May: 39.9°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in May
Riner, WY

Average pressure in May - Riner, WY
  • Average pressure in May: 29.9"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in May
Riner, WY

Average wind speed in May - Riner, WY
  • Average wind speed in May: 10.9mph

The windiest month (with the highest average wind speed) is November (13.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.5mph).

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Average humidity in May
Riner, WY

Average humidity in May - Riner, WY
  • Average humidity in May: 50%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are July and August (35%).

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Average rainfall in May
Riner, WY

Average rainfall in May - Riner, WY
  • Average rainfall in May: 1.34"

The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is August (0.35").

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Average rainfall days in May
Riner, WY

Average rainfall days in May - Riner, WY
  • Average rainfall days in May: 11.7 days

The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is November (3.2 days).

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Average snowfall in May
Riner, WY

Average snowfall in May - Riner, WY
  • Average snowfall in May: 1.61"

The month with the highest snowfall is April (5.75").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Riner, WY

Average snowfall days in May - Riner, WY
  • Average snowfall days in May: 2.8 days

The month with the highest number of snowfall days is February (14.6 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 11h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

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Average sunshine days in May
Riner, WY

Average sunshine days in May - Riner, WY
  • Average sunshine days in May: 15.4 days

The month with the most sunshine days is June (21.1 days).
The month with the least sunshine days is February (11.2 days).

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Average UV index in May
Riner, WY

Average UV index in May - Riner, 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).

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Average cloud cover in May
Riner, WY

Average cloud cover in May - Riner, WY
  • Average cloud cover in May: 24

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 13).

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Average visibility in May
Riner, WY

Average visibility in May - Riner, WY
  • Average visibility in May: 6mi

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

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Riner, Wyoming, USA

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