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
The onset of May brings a temperature shift, with the average high-temperature moving from a cool 52°F (11.1°C) in April to a comfortable 61.9°F (16.6°C). Winchester's average low-temperature for the month of May denotes a significant decline from the daily high, recording at a cold 38.8°F (3.8°C).Humidity
In Winchester, the average relative humidity in May is 73%.Rainfall
In Winchester, Idaho, in May, it is raining for 17.6 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, there are 133.5 rainfall days, and 28.9" (734mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Winchester, during May, snow falls for 4.2 days and regularly aggregates up to 2.4" (61mm) of snow. In Winchester, during the entire year, snow falls for 112.2 days and aggregates up to 105.79" (2687mm) of snow.Daylight
In Winchester, the average length of the day in May is 15h and 1min.On the first day of May, sunrise is at 5:31 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 4:58 am and sunset at 8:30 pm PDT.
Sunshine
In Winchester, the average sunshine in May is 9.6h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Winchester?
What is the average humidity in May?
How many days does it rain in May?
How much does it snow in May?
How many hours of daylight does Winchester have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Winchester, ID
- Average high temperature in May: 61.9°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in May: 38.8°F
The month with the highest average low temperature is August (54.7°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in May
Winchester, ID
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in May
Winchester, ID
- Average wind speed in May: 4mph
The windiest months (with the highest average wind speed) are January, February, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in May
Winchester, ID
- Average humidity in May: 73%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (44%).
Average rainfall in May
Winchester, ID
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in May
Winchester, ID
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is April (17.8 days).
The month with the least rainy days is January (6 days).
Average snowfall in May
Winchester, ID
- Average snowfall in May: 2.4"
The month with the highest snowfall is February (23.11").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Winchester, ID
- Average snowfall days in May: 4.2 days
The month with the highest number of snowfall days is December (19.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Winchester, ID
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in May
Winchester, ID
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is March (7.3 days).
Average UV index in May
Winchester, 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 and December (UV index 1).
Average cloud cover in May
Winchester, ID
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in May
Winchester, 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 and December (4mi).
Winchester, Idaho, USA
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