May weather forecast
Darby, ID

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Weather in May

May, the last month of the spring in Darby, is a fresh month, with an average temperature varying between 53.6°F (12°C) and 32°F (0°C).

Temperature

The shift into May is accompanied by a temperature increase, with the average high-temperature rising from an icy 40.1°F (4.5°C) in April to a fresh 53.6°F (12°C). A sharp reduction from the daytime highs is witnessed during May, with nighttime temperatures averaging a low of 32°F (0°C).

Humidity

In May, the average relative humidity is 71%.

Rainfall

In Darby, Idaho, in May, it is raining for 15.5 days, with typically 3.46" (88mm) of accumulated precipitation. Throughout the year, there are 96.6 rainfall days, and 32.95" (837mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, August through December. In Darby, in May, snow falls for 12.1 days, with typically accumulated 12.95" (329mm) of snow. Throughout the year, there are 160.8 snowfall days, and 200.16" (5084mm) 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 8:58 pm MDT.

Sunshine

In May, the average sunshine in Darby is 9.5h.

UV index

In Darby, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, an average UV index of 3 transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

What is the average May temperature in Darby?

The average high-temperature and low-temperature during May are 53.6°F (12°C) and 32°F (0°C) respectively.

What is the average humidity in May?

In Darby, the average relative humidity in May is 71%.

How many days does it rain in May?

In Darby, in May, during 15.5 rainfall days, 3.46" (88mm) of precipitation is typically accumulated.

How many days does it snow in May?

In Darby, Idaho, in May, snow falls for 12.1 days, with typically accumulated 12.95" (329mm) of snow.

How many hours of daylight does Darby have in May?

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

What time are sunrise and 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 8:58 pm MDT.

How long on average sun shines in May?

In Darby, Idaho, the average sunshine duration in May is 9.5h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes 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
Darby, ID

Average temperature in May - Darby, ID
  • Average high temperature in May: 53.6°F

The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is December (23.2°F).

  • Average low temperature in May: 32°F

The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).

Average pressure in May
Darby, ID

Average pressure in May - Darby, 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
Darby, ID

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

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).

Average humidity in May
Darby, ID

Average humidity in May - Darby, ID
  • Average humidity in May: 71%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (47%).

Average rainfall in May
Darby, ID

Average rainfall in May - Darby, ID
  • Average rainfall in May: 3.46"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is July (0.91").

Average rainfall days in May
Darby, ID

Average rainfall days in May - Darby, ID
  • Average rainfall days in May: 15.5 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (3 days).

Average snowfall in May
Darby, ID

Average snowfall in May - Darby, ID
  • Average snowfall in May: 12.95"

The month with the highest snowfall is February (34.33").
The month with the least snowfall is July (0").

Average snowfall days in May
Darby, ID

Average snowfall days in May - Darby, ID
  • Average snowfall days in May: 12.1 days

The month with the highest number of snowfall days is March (23.6 days).
The month with the least snowfall days is July (0.1 days).

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

Average daylight in May / Average sunshine in May - Darby, 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: 9h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

Average sunshine days in May
Darby, ID

Average sunshine days in May - Darby, ID
  • Average sunshine days in May: 7.5 days

The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is April (6.2 days).

Average UV index in May
Darby, ID

Average UV index in May - Darby, ID
  • Average UV index in May: 3

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

Average cloud cover in May
Darby, ID

Average cloud cover in May - Darby, ID
  • Average cloud cover in May: 37

The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in May
Darby, ID

Average visibility in May - Darby, 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, February, March and December (3mi).

Darby, Idaho, USA

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