Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
In May, the meteorological conditions change with the average high-temperature moving from a comfortable 60.8°F (16°C) in April to an agreeable 71.1°F (21.7°C). Against the backdrop of high daytime temperatures, an average low-temperature of 47.1°F (8.4°C) is noted during May nights.Humidity
In Parma, the average relative humidity in May is 47%.Rainfall
In Parma, in May, during 10.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Parma, during the entire year, the rain falls for 108.5 days and collects up to 10.2" (259mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 45min.On the first day of May, 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.
Sunshine
In May, the average sunshine is 11.2h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 during May translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow in Parma?
Does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Parma have in May?
What is the UV index reading in May?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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