May weather forecast
Parma, ID

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Weather in May

The last month of the spring, May, is an agreeable month in Parma, Idaho, with an average temperature varying between 47.1°F (8.4°C) and 71.1°F (21.7°C).

Temperature

With the onset of May, Parma sees a temperature rise, with the average high-temperature moving from April's comfortable 60.8°F (16°C) to an agreeable 71.1°F (21.7°C). During May, Parma notes a substantial drop from the daytime peak to an average minimum temperature of 47.1°F (8.4°C).

Humidity

In May, the average relative humidity in Parma is 47%.

Rainfall

In May, in Parma, the rain falls for 10.3 days. Throughout May, 0.94" (24mm) of precipitation is accumulated. Throughout the year, in Parma, there are 108.5 rainfall days, and 10.2" (259mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Parma.

Daylight

The average length of the day in May in Parma is 14h and 45min.
On the first day of the month, sunrise is at 6:38 am and sunset at 8:51 pm. On the last day of May, sunrise is at 6:08 am and sunset at 9:22 pm MDT.

Sunshine

The average sunshine in May in Parma is 11.2h.

UV index

In May, the average daily maximum UV index in Parma is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Feb 12, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the temperatures in Parma in May?

In May, the average high-temperature and low-temperature in Parma, Idaho, are 71.1°F (21.7°C) and 47.1°F (8.4°C) respectively.

What is the average humidity in May in Parma?

In May, the average relative humidity in Parma is 47%.

How much does it rain in Parma in May?

In Parma, Idaho, in May, it is raining for 10.3 days, with typically 0.94" (24mm) of accumulated precipitation.

When it does not snow in Parma?

May through October are months without snowfall in Parma, Idaho.

Does it snow in Parma in May?

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

How many hours of daylight does Parma have in May?

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

When is the sunrise / sunset in May in Parma?

On the first day of May in Parma, sunrise is at 6:38 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 9:22 pm MDT.

How many hours of sunshine does Parma have in May?

In Parma, the average sunshine duration in May is 11.2h.

What is the UV index reading in May in Parma?

In May, the average daily maximum UV index in Parma, Idaho, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
Parma, ID

Average temperature in May - Parma, ID
  • Average high temperature in May: 71.1°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (35.6°F).

  • Average low temperature in May: 47.1°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).

Average pressure in May
Parma, ID

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

The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed in May
Parma, ID

Average wind speed in May - Parma, ID
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

Average humidity in May
Parma, ID

Average humidity in May - Parma, ID
  • Average humidity in May: 47%

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (29%).

Average rainfall in May
Parma, ID

Average rainfall in May - Parma, ID
  • Average rainfall in May: 0.94"

The wettest month (with the highest rainfall) is December (1.5").
The driest months (with the least rainfall) are July and August (0.2").

Average rainfall days in May
Parma, ID

Average rainfall days in May - Parma, ID
  • Average rainfall days in May: 10.3 days

The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is August (3.4 days).

Average snowfall in May
Parma, ID

Average snowfall in May - Parma, ID
  • Average snowfall in May: 0"

The month with the highest snowfall is December (4.21").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Parma, ID

Average snowfall days in May - Parma, ID
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Parma, ID
  • Average daylight in May: 14h and 5min

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: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in May
Parma, ID

Average sunshine days in May - Parma, ID
  • Average sunshine days in May: 18.8 days

The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (13.5 days).

Average UV index in May
Parma, ID

Average UV index in May - Parma, 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
Parma, ID

Average cloud cover in May - Parma, ID
  • Average cloud cover in May: 23

The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in May
Parma, ID

Average visibility in May - Parma, ID
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Parma, Idaho, USA

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