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
As Idaho City transitions into May, the average high-temperature is observed to rise from a fresh 53.6°F (12°C) in April to a refreshing 64.8°F (18.2°C). Marked by a significant drop from the daytime highs, Idaho City's average low-temperature in May stands at a wintry 41.5°F (5.3°C).Humidity
In Idaho City, the average relative humidity in May is 56%.Rainfall
In Idaho City, in May, during 14.2 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 103.4 rainfall days, and 19.84" (504mm) of precipitation is accumulated.Snowfall
January through June, October through December are months with snowfall. In Idaho City, in May, snow falls for 2.8 days, with typically accumulated 3.39" (86mm) of snow. Throughout the year, there are 79.1 snowfall days, and 88.94" (2259mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 46min.On the first day of the month, sunrise is at 6:33 am and sunset at 8:46 pm. On the last day of May, sunrise is at 6:04 am and sunset at 9:18 pm MDT.
Sunshine
The average sunshine in May is 10.7h.UV index
In Idaho City, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
How much does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Idaho City, ID
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in May: 41.5°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).
Average pressure in May
Idaho City, ID
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in May
Idaho City, ID
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in May
Idaho City, ID
- Average humidity in May: 56%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in May
Idaho City, ID
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is March (2.83").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Idaho City, ID
- Average rainfall days in May: 14.2 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in May
Idaho City, ID
- Average snowfall in May: 3.39"
The month with the highest snowfall is January (20.59").
The months with the least snowfall are July, August and September (0").
Average snowfall days in May
Idaho City, ID
- Average snowfall days in May: 2.8 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Idaho City, 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: 10h and 4min
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 12min).
Average sunshine days in May
Idaho City, ID
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in May
Idaho City, ID
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Idaho City, ID
- Average cloud cover in May: 26
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in May
Idaho City, ID
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Idaho City, Idaho, USA
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