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
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a cool 52.2°F (11.2°C) to a refreshing 63.9°F (17.7°C). Throughout May nights, a significant departure from daytime temperatures, with an average low of 38.8°F (3.8°C), is recognized.Humidity
In May, the average relative humidity is 67%.Rainfall
In May, the rain falls for 13.9 days. Throughout May, 1.89" (48mm) of precipitation is accumulated. In Oldtown, during the entire year, the rain falls for 125.5 days and collects up to 19.92" (506mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.4 snowfall days, in May, Oldtown aggregates 0.24" (6mm) of snow. Throughout the year, there are 81.4 snowfall days, and 58.11" (1476mm) of snow is accumulated.Daylight
In Oldtown, the average length of the day in May is 15h and 14min.On the first day of the month, sunrise is at 5:27 am and sunset at 8:02 pm. On the last day of May, sunrise is at 4:52 am and sunset at 8:39 pm PDT.
Sunshine
In May, the average sunshine is 10.3h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in May leads to these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. To protect against the Sun's most potent rays, avoid direct exposure around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May in Oldtown?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Oldtown, ID
- Average high temperature in May: 63.9°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in May: 38.8°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in May
Oldtown, ID
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in May
Oldtown, ID
- Average wind speed in May: 4.5mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in May
Oldtown, ID
- Average humidity in May: 67%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).
Average rainfall in May
Oldtown, ID
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in May
Oldtown, ID
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is April (16.7 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in May
Oldtown, ID
- Average snowfall in May: 0.24"
The month with the highest snowfall is January (16.26").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Oldtown, ID
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is December (17.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Oldtown, ID
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Oldtown, ID
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is July (23.1 days).
The month with the least sunshine days is March (9.2 days).
Average UV index in May
Oldtown, ID
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in May
Oldtown, ID
- Average cloud cover in May: 35
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in May
Oldtown, ID
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Oldtown, Idaho, USA
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