May weather forecast
Fort Hall, ID

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Weather in May

May, the last month of the spring in Fort Hall, is an enjoyable month, with an average temperature varying between 41.7°F (5.4°C) and 64.6°F (18.1°C).

Temperature

The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a cool 54.1°F (12.3°C) in April to an enjoyable 64.6°F (18.1°C). May nights showcase a dramatic shift from daytime highs to an average temperature of 41.7°F (5.4°C).

Humidity

The average relative humidity in May in Fort Hall is 52%.

Rainfall

In Fort Hall, in May, during 12.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Fort Hall, during the entire year, the rain falls for 116.1 days and collects up to 11.26" (286mm) of precipitation.

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, Fort Hall aggregates 0.2" (5mm) of snow. Throughout the year, there are 70.2 snowfall days, and 31.61" (803mm) of snow is accumulated.

Daylight

In May, the average length of the day in Fort Hall is 14h and 41min.
On the first day of the month, sunrise is at 6:22 am and sunset at 8:31 pm. On the last day of May, in Fort Hall, sunrise is at 5:53 am and sunset at 9:01 pm MDT.

Sunshine

In Fort Hall, the average sunshine in May is 11h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 5 during May morphs into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Fort Hall in May?

Fort Hall in May has an average high-temperature of 64.6°F (18.1°C) and an average low-temperature of 41.7°F (5.4°C).

What is the average humidity in May in Fort Hall?

In May, the average relative humidity in Fort Hall is 52%.

How many days does it rain in May in Fort Hall?

In Fort Hall, in May, it is raining for 12.3 days, with typically 1.18" (30mm) of accumulated precipitation.

What is the last month it snows in Fort Hall?

May is the last month it regularly snows in Fort Hall, Idaho. During 0.5 snowfall days, in May, Fort Hall aggregates 0.2" (5mm) of snow.

How many hours of daylight does Fort Hall have in May?

The average day length in May is 14h and 41min.

What time are sunrise and sunset in May in Fort Hall?

On the first day of May in Fort Hall, sunrise is at 6:22 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 9:01 pm MDT.

How many hours of sunshine does Fort Hall have in May?

The average sunshine duration in May in Fort Hall is 11h.

What is the UV index intensity in May in Fort Hall?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Fort Hall, ID

Average temperature in May - Fort Hall, ID
  • Average high temperature in May: 64.6°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in May: 41.7°F

The month with the highest average low temperature is August (57.4°F).
The coldest months (with the lowest average low temperature) are January and December (17.8°F).

Average pressure in May
Fort Hall, ID

Average pressure in May - Fort Hall, ID
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in May
Fort Hall, ID

Average wind speed in May - Fort Hall, ID
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is January (6.9mph).

Average humidity in May
Fort Hall, ID

Average humidity in May - Fort Hall, ID
  • Average humidity in May: 52%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (33%).

Average rainfall in May
Fort Hall, ID

Average rainfall in May - Fort Hall, ID
  • Average rainfall in May: 1.18"

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in May
Fort Hall, ID

Average rainfall days in May - Fort Hall, ID
  • Average rainfall days in May: 12.3 days

The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (6.3 days).

Average snowfall in May
Fort Hall, ID

Average snowfall in May - Fort Hall, ID
  • Average snowfall in May: 0.2"

The month with the highest snowfall is January (8.27").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Fort Hall, ID

Average snowfall days in May - Fort Hall, ID
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is February (15.9 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in May /
Average sunshine in May
Fort Hall, ID

Average daylight in May / Average sunshine in May - Fort Hall, ID
  • 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 0min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in May
Fort Hall, ID

Average sunshine days in May - Fort Hall, ID
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is February (9.6 days).

Average UV index in May
Fort Hall, ID

Average UV index in May - Fort Hall, ID
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Fort Hall, ID

Average cloud cover in May - Fort Hall, ID
  • Average cloud cover in May: 24

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in May
Fort Hall, ID

Average visibility in May - Fort Hall, ID
  • 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).

Fort Hall, Idaho, USA

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