May weather forecast
Geneva, ID

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Weather in May

The last month of the spring, May, is a moderate month in Geneva, Idaho, with an average temperature fluctuating between 33.3°F (0.7°C) and 56.3°F (13.5°C).

Temperature

Geneva's May weather brings a rise in high-temperatures, moving from a chilly 44.2°F (6.8°C) in April to a moderate 56.3°F (13.5°C). May nights in Geneva, Idaho, see a notable contrast from daytime highs, with the nighttime temperature averaging at an icy 33.3°F (0.7°C).

Humidity

In May, the average relative humidity in Geneva is 66%.

Rainfall

May is the month with the most rainfall in Geneva. Rain falls for 17.3 days and accumulates 2.6" (66mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Geneva, in May, snow falls for 3.4 days, with typically accumulated 2.56" (65mm) of snow. Throughout the year, there are 116.1 snowfall days, and 91.14" (2315mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 37min.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:24 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:54 pm MDT.

Sunshine

The average sunshine in May is 10.4h.

UV index

In Geneva, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Frequently asked questions

What is the temperature in May?

The high-temperature, in May, in Geneva, records 56.3°F (13.5°C), while the low-temperature is 33.3°F (0.7°C).

What is the average humidity in May?

The average relative humidity in May is 66%.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 2.6" (66mm) of precipitation.

How much does it rain in May?

In Geneva, in May, during 17.3 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

How many days does it snow in May in Geneva?

In Geneva, during May, snow falls for 3.4 days and regularly aggregates up to 2.56" (65mm) of snow.

What is the average length of the day in May?

In Geneva, the average day length in May is 14h and 37min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:54 pm MDT.

How long on average sun shines in May?

In May, the average sunshine duration is 10.4h.

How high is the UV index in May?

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe 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
Geneva, ID

Average temperature in May - Geneva, ID
  • Average high temperature in May: 56.3°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in May: 33.3°F

The month with the highest average low temperature is July (48.9°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average pressure in May
Geneva, ID

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

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Geneva, ID

Average wind speed in May - Geneva, ID
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).

Average humidity in May
Geneva, ID

Average humidity in May - Geneva, ID
  • Average humidity in May: 66%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).

Average rainfall in May
Geneva, ID

Average rainfall in May - Geneva, ID
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is July (0.63").

Average rainfall days in May
Geneva, ID

Average rainfall days in May - Geneva, ID
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (6 days).

Average snowfall in May
Geneva, ID

Average snowfall in May - Geneva, ID
  • Average snowfall in May: 2.56"

The month with the highest snowfall is February (18.39").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Geneva, ID

Average snowfall days in May - Geneva, ID
  • Average snowfall days in May: 3.4 days

The month with the highest number of snowfall days is December (21.6 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Geneva, ID
  • 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 6min).

  • 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 24min).

Average sunshine days in May
Geneva, ID

Average sunshine days in May - Geneva, ID
  • Average sunshine days in May: 8.8 days

The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is February (6.8 days).

Average UV index in May
Geneva, ID

Average UV index in May - Geneva, ID
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in May
Geneva, ID

Average cloud cover in May - Geneva, ID
  • Average cloud cover in May: 30

The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in May
Geneva, ID

Average visibility in May - Geneva, 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).

Geneva, Idaho, USA

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