July weather forecast
Ayer, MA

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Weather in July

July, like June, in Ayer, Massachusetts, is a moderately hot summer month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 82°F (27.8°C).

Temperature

Ayer's warmest temperatures are experienced in July, with average high temperatures of 82°F (27.8°C) and lows of 62.2°F (16.8°C).

Heat index

The heat index value during July is computed to be a tropical 87.8°F (31°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in July in Ayer, Massachusetts, is 74%.

Rainfall

In Ayer, during July, the rain falls for 14.5 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Ayer, during the entire year, the rain falls for 142.2 days and collects up to 26.97" (685mm) of precipitation.

Snowfall

In Ayer, snow does not fall in June through September.

Daylight

In Ayer, the average length of the day in July is 14h and 56min.
On the first day of the month, sunrise is at 5:13 am and sunset at 8:27 pm. On the last day of July, in Ayer, Massachusetts, sunrise is at 5:38 am and sunset at 8:07 pm EDT.

Sunshine

In July, the average sunshine in Ayer is 10.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Ayer. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What month is the hottest in Ayer?

July is the warmest month, with the temperature often reaching an average high of 82°F (27.8°C) and an average low of 62.2°F (16.8°C).

What is the temperature in July in Ayer?

In July, in Ayer, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 62.2°F (16.8°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in July in Ayer?

In Ayer, the average relative humidity in July is 74%.

How much does it rain in Ayer in July?

In Ayer, Massachusetts, in July, it is raining for 14.5 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Ayer?

June through September are months without snowfall in Ayer.

What is the average length of the day in July in Ayer?

The average day length in July in Ayer is 14h and 56min.

What time are sunrise and sunset in July in Ayer?

On the first day of July, sunrise is at 5:13 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:07 pm EDT.

How many hours of sunshine does Ayer have in July?

The average sunshine duration in July is 10.2h.

When is the highest UV index in Ayer?

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

What is the UV index reading in July in Ayer?

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from 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 July
Ayer, MA

Average temperature in July - Ayer, MA
  • Average high temperature in July: 82°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in July: 62.2°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in July
Ayer, MA

Average pressure in July - Ayer, MA
  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in July
Ayer, MA

Average wind speed in July - Ayer, MA
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in July
Ayer, MA

Average humidity in July - Ayer, MA
  • Average humidity in July: 74%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in July
Ayer, MA

Average rainfall in July - Ayer, MA
  • Average rainfall in July: 1.97"

The wettest month (with the highest rainfall) is December (2.8").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in July
Ayer, MA

Average rainfall days in July - Ayer, MA
  • Average rainfall days in July: 14.5 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (7.7 days).

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Average snowfall in July
Ayer, MA

Average snowfall in July - Ayer, MA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Ayer, MA

Average snowfall days in July - Ayer, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Ayer, MA

Average daylight in July / Average sunshine in July - Ayer, MA
  • Average daylight in July: 14h and 5min

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 July: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in July
Ayer, MA

Average sunshine days in July - Ayer, MA
  • Average sunshine days in July: 14.6 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (13.5 days).

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Average UV index in July
Ayer, MA

Average UV index in July - Ayer, MA
  • Average UV index in July: 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 July
Ayer, MA

Average cloud cover in July - Ayer, MA
  • Average cloud cover in July: 36

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in July
Ayer, MA

Average visibility in July - Ayer, MA
  • Average visibility in July: 5mi

The months with the highest visibility are April, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August and September (5mi).

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Ayer, Massachusetts, USA

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