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 fresh 54.5°F (12.5°C) to a comfortable 66.7°F (19.3°C). Throughout May nights, Lancaster experiences a consistent temperature average of 48.9°F (9.4°C).Humidity
In Lancaster, the average relative humidity in May is 81%.Rainfall
In Lancaster, in May, during 18.5 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. Throughout the year, there are 134.2 rainfall days, and 27.32" (694mm) of precipitation is accumulated.Snowfall
In Lancaster, snow does not fall in May through September.Daylight
The average length of the day in May in Lancaster, Wisconsin, is 14h and 40min.On the first day of May, sunrise is at 5:55 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:34 pm CDT.
Sunshine
In May, the average sunshine is 8.2h.UV index
In May, the average daily maximum UV index in Lancaster is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Take necessary precautions - Defending against sun damage is advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the temperature in May in Lancaster?
What is the average humidity in May in Lancaster?
How many days does it rain in May in Lancaster?
When it does not snow in Lancaster?
Does it snow in Lancaster in May?
How many hours of daylight does Lancaster have in May?
When are sunrise and sunset in May in Lancaster?
How many hours of sunshine does Lancaster have in May?
What is the UV index reading in May in Lancaster?
Average temperature in May
Lancaster, WI
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in May: 48.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in May
Lancaster, WI
- Average pressure in May: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Lancaster, WI
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in May
Lancaster, WI
- Average humidity in May: 81%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Lancaster, WI
- Average rainfall in May: 3.54"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in May
Lancaster, WI
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is May (18.5 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in May
Lancaster, WI
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Lancaster, WI
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lancaster, WI
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Lancaster, WI
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10 days).
Average UV index in May
Lancaster, WI
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Lancaster, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Lancaster, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Lancaster, Wisconsin, USA
Weather forecast for your location
2. Allow the app to use your location
