May weather forecastAmherst, WI
May
Weather in May
The last month of the spring, May, is a comfortable month in Amherst, Wisconsin, with an average temperature fluctuating between 64.2°F (17.9°C) and 46.6°F (8.1°C).Temperature
May's onset brings a temperature rise, moving from a fresh 50.9°F (10.5°C) in April to an enjoyable 64.2°F (17.9°C). Throughout May, Amherst witnesses a nighttime temperature average of 46.6°F (8.1°C).Humidity
In May, the average relative humidity is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 15.8 days and accumulates 3.19" (81mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Amherst, Wisconsin. May is the last month it regularly snows. During 0.2 snowfall days, in May, Amherst aggregates 0.04" (1mm) of snow. In Amherst, during the entire year, snow falls for 56.3 days and aggregates up to 21.38" (543mm) of snow.Daylight
The average length of the day in May in Amherst is 14h and 49min.On the first day of May in Amherst, sunrise is at 5:46 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:34 pm CDT.
Sunshine
The average sunshine in May is 8.7h.UV index
The months with the highest UV index in Amherst, Wisconsin, are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Amherst, WI
- Average high temperature in May: 64.2°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in May: 46.6°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Amherst, WI
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Amherst, WI
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in May
Amherst, WI
- Average humidity in May: 78%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Amherst, WI
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in May
Amherst, WI
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Amherst, WI
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Amherst, WI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Amherst, WI
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Amherst, WI
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in May
Amherst, WI
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Amherst, WI
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Amherst, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, August, October and November (6mi).
The months with the lowest visibility are January, February, July, September and December (5mi).
