May weather forecast
Mountain Home, ID

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Weather in May

In May, Mountain Home, Idaho, USA is in full bloom with summer on the horizon. There is a significant leap in the average high temperature to 70.7°F (21.5°C), while the low rests at a mild 49.3°F (9.6°C). Interestingly, May along with June, marks the highest UV index of 5. As the warming trend from April continues, the days become sunnier and longer. The convivial weather encourages outdoor activities, making May an ideal month for enjoying the natural beauty of Mountain Home.

Temperature

A shift in the average high-temperature is noticeable in May, changing from a refreshing 60.4°F (15.8°C) in April to an agreeable 70.7°F (21.5°C). Mountain Home's temperature lowers to a mean of 49.3°F (9.6°C) during the nights in May.

Humidity

The average relative humidity in May is 42%.

Rainfall

In Mountain Home, Idaho, in May, it is raining for 7.3 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 82.3 rainfall days, and 7.44" (189mm) of precipitation is accumulated.

Snowfall

In Mountain Home, snow does not fall in May through September.

Daylight

In May, the average length of the day is 14h and 41min.
On the first day of May, sunrise is at 6:34 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 9:15 pm MDT.

Sunshine

In Mountain Home, the average sunshine in May is 11.6h.

UV index

In Mountain Home, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Mountain Home?

During May, Mountain Home experiences an average high-temperature of 70.7°F (21.5°C) and a low-temperature of 49.3°F (9.6°C).

What is the average humidity in May?

The average relative humidity in May is 42%.

How much does it rain in May?

In Mountain Home, during May, the rain falls for 7.3 days and regularly aggregates up to 0.59" (15mm) of precipitation.

When it does not snow?

In Mountain Home, snow does not fall in May through September.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May?

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

When is the sunrise / sunset in May in Mountain Home?

On the first day of May, sunrise is at 6:34 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 9:15 pm MDT.

How long on average sun shines in May?

The average sunshine duration in May is 11.6h.

How high is the UV index in May?

In Mountain Home, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Mountain Home, ID

Average temperature in May - Mountain Home, ID
  • Average high temperature in May: 70.7°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (36.9°F).

  • Average low temperature in May: 49.3°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is December (25.9°F).

Average pressure in May
Mountain Home, ID

Average pressure in May - Mountain Home, ID
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Mountain Home, ID

Average wind speed in May - Mountain Home, ID
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).

Average humidity in May
Mountain Home, ID

Average humidity in May - Mountain Home, ID
  • Average humidity in May: 42%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is July (25%).

Average rainfall in May
Mountain Home, ID

Average rainfall in May - Mountain Home, ID
  • Average rainfall in May: 0.59"

The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is August (0.08").

Average rainfall days in May
Mountain Home, ID

Average rainfall days in May - Mountain Home, ID
  • Average rainfall days in May: 7.3 days

The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (2 days).

Average snowfall in May
Mountain Home, ID

Average snowfall in May - Mountain Home, ID
  • Average snowfall in May: 0"

The month with the highest snowfall is December (4.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Mountain Home, ID

Average snowfall days in May - Mountain Home, ID
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Mountain Home, ID

Average daylight in May / Average sunshine in May - Mountain Home, 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 4min

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

Average sunshine days in May
Mountain Home, ID

Average sunshine days in May - Mountain Home, ID
  • Average sunshine days in May: 21.8 days

The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (14.9 days).

Average UV index in May
Mountain Home, ID

Average UV index in May - Mountain Home, ID
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Mountain Home, ID

Average cloud cover in May - Mountain Home, ID
  • Average cloud cover in May: 20

The month with the most cloud cover is December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in May
Mountain Home, ID

Average visibility in May - Mountain Home, ID
  • 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).

Mountain Home, Idaho, USA

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