June weather forecast
Merrimac, MA

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Weather in June

June, the first month of the summer in Merrimac, is a moderately hot month, with an average temperature ranging between max 73.8°F (23.2°C) and min 55.9°F (13.3°C).

Temperature

As Merrimac transitions into June, a marginal rise in the average high-temperature is observed, moving from a comfortable 65.5°F (18.6°C) in May to a moderately hot 73.8°F (23.2°C). Throughout the month of June, Merrimac reports a steady low-temperature average of 55.9°F (13.3°C).

Humidity

The average relative humidity in June is 76%.

Rainfall

In June, in Merrimac, Massachusetts, the rain falls for 7.9 days. Throughout June, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 78.3 rainfall days, and 5.43" (138mm) of precipitation is accumulated.

Snowfall

In Merrimac, snow does not fall in June through October.

Daylight

The month with the longest days in Merrimac is June, with an average of 15h and 18min of daylight.
On the first day of June in Merrimac, sunrise is at 5:07 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:26 pm EDT.

Sunshine

The average sunshine in June in Merrimac is 9.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Merrimac. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In June, the maximum UV index of 6 transforms into these recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the usual temperature for Merrimac in June?

In June, the average high-temperature and low-temperature in Merrimac are 73.8°F (23.2°C) and 55.9°F (13.3°C) respectively.

What is the average humidity in June in Merrimac?

In Merrimac, Massachusetts, the average relative humidity in June is 76%.

How many days does it rain in June in Merrimac?

In Merrimac, in June, during 7.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When it does not snow in Merrimac?

In Merrimac, Massachusetts, snow does not fall in June through October.

Does it snow in Merrimac in June?

In June, in Merrimac, Massachusetts, it doesn't snow. May is the latest month when it typically snows.

When are the longest days in Merrimac?

The month with the longest days in Merrimac, Massachusetts, is June, with an average of 15h and 18min of daylight.

How many hours of daylight does Merrimac have in June?

The average day length in June is 15h and 17min.

When are sunrise and sunset in June in Merrimac?

On the first day of June in Merrimac, Massachusetts, sunrise is at 5:07 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Merrimac have in June?

In Merrimac, Massachusetts, the average sunshine duration in June is 9.2h.

What is the month with the highest UV index in Merrimac?

The months with the highest UV index in Merrimac, Massachusetts, are June through August, with an average maximum UV index of 6.

How high is the UV index in June in Merrimac?

In June, the average daily maximum UV index in Merrimac, Massachusetts, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Merrimac, MA

Average temperature in June - Merrimac, MA
  • Average high temperature in June: 73.8°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in June: 55.9°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in June
Merrimac, MA

Average pressure in June - Merrimac, MA
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in June
Merrimac, MA

Average wind speed in June - Merrimac, MA
  • Average wind speed in June: 6.3mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in June
Merrimac, MA

Average humidity in June - Merrimac, MA
  • Average humidity in June: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in June
Merrimac, MA

Average rainfall in June - Merrimac, MA
  • Average rainfall in June: 0.55"

The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in June
Merrimac, MA

Average rainfall days in June - Merrimac, MA
  • Average rainfall days in June: 7.9 days

The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is January (3.6 days).

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Average snowfall in June
Merrimac, MA

Average snowfall in June - Merrimac, MA
  • Average snowfall in June: 0"

The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in June
Merrimac, MA

Average snowfall days in June - Merrimac, MA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in June /
Average sunshine in June
Merrimac, MA

Average daylight in June / Average sunshine in June - Merrimac, MA
  • Average daylight in June: 15h and 2min

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 June: 9h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in June
Merrimac, MA

Average sunshine days in June - Merrimac, MA
  • Average sunshine days in June: 19.2 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (18.4 days).

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Average UV index in June
Merrimac, MA

Average UV index in June - Merrimac, MA
  • Average UV index in June: 6

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).

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Average cloud cover in June
Merrimac, MA

Average cloud cover in June - Merrimac, MA
  • Average cloud cover in June: 41

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in June
Merrimac, MA

Average visibility in June - Merrimac, MA
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Merrimac, Massachusetts, USA

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