May weather forecast
Teton, ID

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Weather in May

May, the last month of the spring in Teton, is an enjoyable month, with an average temperature ranging between min 39.7°F (4.3°C) and max 63°F (17.2°C).

Temperature

With the onset of May, Teton's weather sees a temperature rise, transitioning from a fresh 50.7°F (10.4°C) in April to an enjoyable 63°F (17.2°C). Teton, during the nights of May, registers a substantial plunge from the daytime high, averaging at an icy 39.7°F (4.3°C).

Humidity

In May, the average relative humidity is 55%.

Rainfall

In May, the rain falls for 11.4 days. Throughout May, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 97.5 rainfall days, and 11.85" (301mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Teton aggregates 0.59" (15mm) of snow. In Teton, during the entire year, snow falls for 83.8 days and aggregates up to 41.93" (1065mm) of snow.

Daylight

In May, the average length of the day is 14h and 46min.
On the first day of May, sunrise is at 6:17 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 9:01 pm MDT.

Sunshine

In Teton, the average sunshine in May is 11h.

UV index

In Teton, Idaho, the average daily maximum UV index in May 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 translates into the following guidance:
Take precautions - Protection against skin and eye damage is obliged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Boost your sun resistance with garments that are densely woven yet spacious. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The high-temperature, in May, in Teton, is 63°F (17.2°C), while the low-temperature averages to 39.7°F (4.3°C).

What is the average humidity in May?

The average relative humidity in May is 55%.

How many days does it rain in May?

In Teton, in May, during 11.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.5 snowfall days, in May, Teton aggregates 0.59" (15mm) of snow.

What is the average length of the day in May?

In Teton, the average day length in May is 14h and 46min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:17 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 9:01 pm MDT.

How many hours of sunshine does Teton have in May?

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

What is the UV index intensity in May?

In Teton, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Teton, ID

Average temperature in May - Teton, ID
  • Average high temperature in May: 63°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (26.2°F).

  • Average low temperature in May: 39.7°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in May
Teton, ID

Average pressure in May - Teton, ID
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Teton, ID

Average wind speed in May - Teton, ID
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is June (6.9mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

Average humidity in May
Teton, ID

Average humidity in May - Teton, ID
  • Average humidity in May: 55%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).

Average rainfall in May
Teton, ID

Average rainfall in May - Teton, ID
  • Average rainfall in May: 1.1"

The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in May
Teton, ID

Average rainfall days in May - Teton, ID
  • Average rainfall days in May: 11.4 days

The month with the highest number of rainy days is April (13 days).
The month with the least rainy days is July (5 days).

Average snowfall in May
Teton, ID

Average snowfall in May - Teton, ID
  • Average snowfall in May: 0.59"

The month with the highest snowfall is January (11.97").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Teton, ID

Average snowfall days in May - Teton, ID
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in May /
Average sunshine in May
Teton, ID

Average daylight in May / Average sunshine in May - Teton, ID
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 11h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in May
Teton, ID

Average sunshine days in May - Teton, ID
  • Average sunshine days in May: 16.6 days

The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is February (10.6 days).

Average UV index in May
Teton, ID

Average UV index in May - Teton, ID
  • 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, November and December (UV index 1).

Average cloud cover in May
Teton, ID

Average cloud cover in May - Teton, ID
  • Average cloud cover in May: 26

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in May
Teton, ID

Average visibility in May - Teton, ID
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (3mi).

Teton, Idaho, USA

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