May weather forecast
Twin Forks, ID

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Weather in May

The last month of the spring, May, is a moderate month in Twin Forks, Idaho, with an average temperature ranging between max 55.8°F (13.2°C) and min 34°F (1.1°C).

Temperature

In May, the meteorological conditions change with the average high-temperature moving from a frosty 42.8°F (6°C) in April to a refreshing 55.8°F (13.2°C). May's nights exhibit a sharp contrast from day highs, with an average temperature of 34°F (1.1°C).

Humidity

The average relative humidity in May is 67%.

Rainfall

In May, the rain falls for 16.1 days. Throughout May, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 110.1 rainfall days, and 23.35" (593mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Twin Forks, in May, snow falls for 3.8 days, with typically accumulated 4.17" (106mm) of snow. Throughout the year, there are 125.3 snowfall days, and 120.47" (3060mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 45min.
On the first day of May, sunrise is at 6:15 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:59 pm MDT.

Sunshine

In May, the average sunshine is 10.3h.

UV index

The average daily maximum UV index in May in Twin Forks is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Twin Forks in May?

An average high-temperature, in May, in Twin Forks, is 55.8°F (13.2°C) and the average low-temperature is 34°F (1.1°C).

What is the average humidity in May?

In May, the average relative humidity is 67%.

How much does it rain in May?

In Twin Forks, in May, during 16.1 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

How many days does it snow in May?

In May, it is snowing for 3.8 days. Throughout May, 4.17" (106mm) of snow is accumulated.

How many hours of daylight does Twin Forks have in May?

In May, the average day length is 14h and 45min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:15 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:59 pm MDT.

How many hours of sunshine does Twin Forks have in May?

In May, the average sunshine duration is 10.3h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
Twin Forks, ID

Average temperature in May - Twin Forks, ID
  • Average high temperature in May: 55.8°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is December (23.9°F).

  • Average low temperature in May: 34°F

The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

Average pressure in May
Twin Forks, ID

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

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Twin Forks, ID

Average wind speed in May - Twin Forks, ID
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest months (with the lowest average wind speed) are January and December (4.6mph).

Average humidity in May
Twin Forks, ID

Average humidity in May - Twin Forks, ID
  • Average humidity in May: 67%

The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).

Average rainfall in May
Twin Forks, ID

Average rainfall in May - Twin Forks, ID
  • Average rainfall in May: 2.17"

The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.71").

Average rainfall days in May
Twin Forks, ID

Average rainfall days in May - Twin Forks, ID
  • Average rainfall days in May: 16.1 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in May
Twin Forks, ID

Average snowfall in May - Twin Forks, ID
  • Average snowfall in May: 4.17"

The month with the highest snowfall is January (24.06").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Twin Forks, ID

Average snowfall days in May - Twin Forks, ID
  • Average snowfall days in May: 3.8 days

The month with the highest number of snowfall days is December (21.8 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in May /
Average sunshine in May
Twin Forks, ID

Average daylight in May / Average sunshine in May - Twin Forks, ID
  • Average daylight in May: 14h and 4min

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: 10h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in May
Twin Forks, ID

Average sunshine days in May - Twin Forks, ID
  • Average sunshine days in May: 10.2 days

The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in May
Twin Forks, ID

Average UV index in May - Twin Forks, ID
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).

Average cloud cover in May
Twin Forks, ID

Average cloud cover in May - Twin Forks, ID
  • Average cloud cover in May: 32

The month with the most cloud cover is February (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 13).

Average visibility in May
Twin Forks, ID

Average visibility in May - Twin Forks, ID
  • Average visibility in May: 6mi

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

Twin Forks, Idaho, USA

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