July weather forecast
Harvard, MA

Share

Weather in July

July, the same as June, is another warm summer month in Harvard, Massachusetts, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 82.2°F (27.9°C).

Temperature

July is the month when Harvard experiences its warmest temperatures, averaging a high of 82.2°F (27.9°C) and a low of 63°F (17.2°C).

Heat index

The heat index value during July is calculated to be a hot 87.8°F (31°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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 Harvard is 74%.

Rainfall

In Harvard, during July, the rain falls for 14.9 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 140 rainfall days, and 27.09" (688mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day in Harvard 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 Harvard, sunrise is at 5:38 am and sunset at 8:07 pm EDT.

Sunshine

The average sunshine in July in Harvard, Massachusetts, is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
[Resources]

Frequently asked questions

What month is the hottest in Harvard?

With average high and low temperatures of 82.2°F (27.9°C) and 63°F (17.2°C) respectively, July is Harvard's warmest month.

What is the temperature in July in Harvard?

July temperatures vary between a high-temperature of 82.2°F (27.9°C) and a low-temperature of 63°F (17.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in July is calculated to be 87.8°F (31°C).

What is the average humidity in July in Harvard?

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

How much does it rain in Harvard in July?

In July, in Harvard, the rain falls for 14.9 days. Throughout July, 2.17" (55mm) of precipitation is accumulated.

When it does not snow in Harvard?

In Harvard, Massachusetts, snow does not fall in June through September.

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

The average day length in July in Harvard, Massachusetts, is 14h and 56min.

When is the sunrise / sunset in July in Harvard?

On the first day of July in Harvard, Massachusetts, 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 long on average sun shines in July in Harvard?

In July, the average sunshine duration is 10h.

When is the highest UV index in Harvard?

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

What is the UV index reading in July in Harvard?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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 July
Harvard, MA

Average temperature in July - Harvard, MA
  • Average high temperature in July: 82.2°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in July: 63°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

[Resources]

Average pressure in July
Harvard, MA

Average pressure in July - Harvard, 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).

[Resources]

Average wind speed in July
Harvard, MA

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

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

[Resources]

Average humidity in July
Harvard, MA

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

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (70%).

[Resources]

Average rainfall in July
Harvard, MA

Average rainfall in July - Harvard, MA
  • Average rainfall in July: 2.17"

The wettest month (with the highest rainfall) is October (2.68").
The driest month (with the least rainfall) is September (1.38").

[Resources]

Average rainfall days in July
Harvard, MA

Average rainfall days in July - Harvard, MA
  • Average rainfall days in July: 14.9 days

The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6.5 days).

[Resources]

Average snowfall in July
Harvard, MA

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

The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in July
Harvard, MA

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

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

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

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 6min).

  • Average sunshine in July: 10h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

[Resources]

Average sunshine days in July
Harvard, MA

Average sunshine days in July - Harvard, MA
  • Average sunshine days in July: 14.4 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.7 days).

[Resources]

Average UV index in July
Harvard, MA

Average UV index in July - Harvard, 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).

[Resources]

Average cloud cover in July
Harvard, MA

Average cloud cover in July - Harvard, MA
  • Average cloud cover in July: 37

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

[Resources]

Average visibility in July
Harvard, MA

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

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

[Resources]

Harvard, Massachusetts, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location