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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Millis, Massachusetts, is another cold winter month, with an average temperature varying between 21.7°F (-5.7°C) and 34°F (1.1°C). January, marked by an average high-temperature of 34°F (1.1°C) and a low-temperature of 21.7°F (-5.7°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Millis, Massachusetts, with an average temperature varying between 36.5°F (2.5°C) and 22.6°F (-5.2°C). The onset of February manifests an average high-temperature of a still cold 36.5°F (2.5°C), demonstrating a minor variation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Millis, Massachusetts, with an average temperature fluctuating between 44.1°F (6.7°C) and 29.7°F (-1.3°C). The beginning of March marks a minor shift in the average high-temperature, moving from February's icy 36.5°F (2.5°C) to a frosty 44.1°F (6.7°C). Weather in March »
Weather in April
April in Millis, Massachusetts, is a refreshing spring month, with an average temperature varying between 55.9°F (13.3°C) and 39.9°F (4.4°C). Millis sees an increase in average high-temperatures during April, moving from a frosty 44.1°F (6.7°C) in March to a moderate 55.9°F (13.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Millis, Massachusetts, with an average temperature varying between 66.9°F (19.4°C) and 49.3°F (9.6°C). May's onset brings a temperature rise, moving from a moderate 55.9°F (13.3°C) in April to a still refreshing 66.9°F (19.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Millis, Massachusetts, with an average temperature ranging between min 56.5°F (13.6°C) and max 74.8°F (23.8°C). June witnesses a subtle temperature ascent, adjusting from an enjoyable 66.9°F (19.4°C) in May to a moderately hot 74.8°F (23.8°C). Weather in June »
Weather in July
July, like June, in Millis, Massachusetts, is another warm summer month, with an average temperature fluctuating between 82°F (27.8°C) and 63.3°F (17.4°C). The month of July, characterized by an average high of 82°F (27.8°C) and a low of 63.3°F (17.4°C), is recognized as the warmest. The heat index for July is appraised at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Millis, is another warm month, with an average temperature ranging between max 81°F (27.2°C) and min 62.6°F (17°C). With the onset of August, the average high-temperature registers at a still moderately hot 81°F (27.2°C), subtly different from July's 82°F (27.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Millis, is also an agreeable month, with an average temperature fluctuating between 73°F (22.8°C) and 55.9°F (13.3°C). September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 81°F (27.2°C) to a pleasant 73°F (22.8°C). Weather in September »
Weather in October
October, like September, in Millis, Massachusetts, is another comfortable autumn month, with an average temperature varying between 46.8°F (8.2°C) and 61.2°F (16.2°C). Transition into October marks a drop in the average high-temperature, moving from a pleasant 73°F (22.8°C) in September to a refreshing 61.2°F (16.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Millis, is another chilly month, with an average temperature ranging between min 36.5°F (2.5°C) and max 49.3°F (9.6°C). November brings a decrease in the average high-temperature, falling from October's refreshing 61.2°F (16.2°C) to a frosty 49.3°F (9.6°C). Weather in November »
Weather in December
December, the first month of the winter in Millis, is also a wintry month, with an average temperature ranging between min 28.6°F (-1.9°C) and max 39.7°F (4.3°C). Start of December brings a shift in the average high-temperature, falling from November's chilly 49.3°F (9.6°C) to a cold 39.7°F (4.3°C). Weather in December »
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
January, having an average high-temperature of 34°F (1.1°C) and an average low-temperature of 21.7°F (-5.7°C), is the coldest month.
How much does it rain?
Throughout the year, there are 149 rainfall days, and 27.68" (703mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
In Millis, during the entire year, snow falls for 31.4 days and aggregates up to 17.8" (452mm) of snow.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The most humid month is February, with an average relative humidity of 78%.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 7.6 days and accumulates 4.53" (115mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.8h of sunshine.
What is the wettest month?
The wettest months are March, April and December, with an average 2.87" (73mm) of rainfall.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month?
April is the least humid month, with an average relative humidity of 70%.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 12min of daylight, June has the longest days of the year in Millis.
What are the months with the highest UV index in Millis?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What month is the hottest?
In Millis, July is the warmest month, with temperatures averaging a high of 82°F (27.8°C) and a low of 63.3°F (17.4°C).
What month has the most sunshine?
With an average of 10.4h of sunshine, August has the most sunshine of the year in Millis.
What is the driest month?
September is the month with the least rainfall. Rain falls for 11 days and accumulates 1.22" (31mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days in Millis is December, with an average of 9h and 12min of daylight.
Average temperature
Millis, MA
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).
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
Millis, MA
- Average pressure in January:
30.01"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.03"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
Millis, MA
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.4mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.3mph
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
Millis, MA
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Millis, MA
- Average rainfall in January:
2.32" - Average rainfall in February:
2.24" - Average rainfall in March:
2.87" - Average rainfall in April:
2.87" - Average rainfall in May:
2.05" - Average rainfall in June:
2.13"
- Average rainfall in July:
2.01" - Average rainfall in August:
1.85" - Average rainfall in September:
1.22" - Average rainfall in October:
2.64" - Average rainfall in November:
2.6" - Average rainfall in December:
2.87"
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
Millis, MA
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
11 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
10.4 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
Millis, MA
- Average snowfall in January:
3.03" - Average snowfall in February:
4.53" - Average snowfall in March:
4.45" - Average snowfall in April:
0.79" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
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
Millis, MA
- Average snowfall days in January:
7.7 days - Average snowfall days in February:
7.6 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
5.4 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 / Average sunshine
Millis, MA
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 3min - Average sunshine in December:
5h and 0min
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
Millis, MA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
14.4 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
16.1 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
Millis, MA
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
Millis, MA
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
Millis, MA
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
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