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 shift from April to May is marked by an increase in the average high-temperature, moving from a moderate 55.9°F (13.3°C) to an enjoyable 66.9°F (19.4°C). In Millis, the nighttime temperature averages to a chilly 49.3°F (9.6°C) during May.Humidity
In May, the average relative humidity in Millis is 74%.Rainfall
In Millis, in May, during 16.3 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, in Millis, there are 149 rainfall days, and 27.68" (703mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Millis aggregates 0.28" (7mm) of snow. Throughout the year, in Millis, Massachusetts, there are 31.4 snowfall days, and 17.8" (452mm) of snow is accumulated.Daylight
In Millis, Massachusetts, the average length of the day in May is 14h and 36min.On the first day of May in Millis, sunrise is at 5:39 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:14 pm EDT.
Sunshine
The average sunshine in May in Millis is 8.4h.UV index
In May, the average daily maximum UV index in Millis is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are May temperatures in Millis?
What is the average humidity in May in Millis?
How much does it rain in Millis in May?
What is the last month it snows in Millis?
How many hours of daylight does Millis have in May?
What time are sunrise and sunset in May in Millis?
How long on average sun shines in May in Millis?
What is the UV index reading in May in Millis?
Average temperature in May
Millis, MA
- Average high temperature in May: 66.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in May: 49.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in May
Millis, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Millis, MA
- Average wind speed in May: 7.1mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in May
Millis, MA
- Average humidity in May: 74%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in May
Millis, MA
- Average rainfall in May: 2.05"
The wettest months (with the highest rainfall) are March, April and December (2.87").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in May
Millis, MA
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in May
Millis, MA
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Millis, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is March (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Millis, MA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Millis, MA
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in May
Millis, MA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Millis, MA
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Millis, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
Millis, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location
