July weather forecast
Falmouth, MA

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Weather in July

Standing at the pinnacle of summer, July in Falmouth, Massachusetts presents the warmest conditions of the year. The temperatures touch an annual high, with the hottest day falling in this month at 73.4°F (23°C). Despite the heightened heat, the high relative humidity embraces the town, adding a unique characteristic to the July weather. Frequently deemed the perfect time for water activities and beach fun, the sea reaches an agreeable warmth. The advent of August marks a subtle departure from the peak summer temperatures, heading towards a less intense yet still warm month.

Temperature

As June transitions into July, Falmouth notices a gentle rise in the average high-temperature, transitioning from a refreshing 65.5°F (18.6°C) to a moderately hot 73.4°F (23°C). Falmouth's evenings during July maintain an average temperature of 67.8°F (19.9°C), aligning closely with the daytime temperatures.

Humidity

With an average relative humidity of 83%, July is the most humid month.

Rainfall

July through September are months with the least rain when the rain falls for 7.7 days and typically aggregates up to 0.31" (8mm) of rain.

Snowfall

April through November are months without snowfall.

Ocean temperature

In Falmouth, in July, the average water temperature is 66.2°F (19°C).
Note: For most individuals, swimming in 66.2°F (19°C) is not enjoyable. As the water temperature decreases from 69.8°F (21°C) to 59°F (15°C), breathing control becomes increasingly difficult.

Daylight

In July, the average length of the day in Falmouth is 14h and 50min.
On the first day of July in Falmouth, sunrise is at 5:12 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:00 pm EDT.

Sunshine

The average sunshine in July is 10.4h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What is the usual temperature for Falmouth in July?

The average high-temperature and low-temperature in Falmouth during July are 73.4°F (23°C) and 67.8°F (19.9°C) respectively.

What is the most humid month in Falmouth?

With an average relative humidity of 83%, July is the most humid month in Falmouth.

What is the average humidity in July in Falmouth?

In July, the average relative humidity in Falmouth is 83%.

What is the driest month in Falmouth?

July through September are months with the least rain in Falmouth, Massachusetts, when the rain falls for 7.7 days and typically aggregates up to 0.31" (8mm) of rain.

How much does it rain in Falmouth in July?

In Falmouth, in July, during 7.7 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

When it does not snow in Falmouth?

In Falmouth, snow does not fall in April through November.

What is the ocean temperature in July in Falmouth?

In Falmouth, in July, the average water temperature is 66.2°F (19°C). Swimming in 66.2°F (19°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

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

The average day length in July in Falmouth, Massachusetts, is 14h and 50min.

What time are sunrise and sunset in July in Falmouth?

In July, on the first day of the month, sunrise is at 5:12 am and sunset at 8:20 pm. On the last day of the month, in Falmouth, Massachusetts, sunrise is at 5:36 am and sunset at 8:00 pm EDT.

How long on average sun shines in July in Falmouth?

In July, the average sunshine duration is 10.4h.

When is the highest UV index in Falmouth?

The months with the highest UV index in Falmouth, Massachusetts, are July and August, with an average maximum UV index of 6.

What is the UV index reading in July in Falmouth?

In Falmouth, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJulyASOND
Jun
July
Aug
Average high temperature
65.5°F 18.6°C
73.4°F 23°C
73.9°F 23.3°C
Average low temperature
60.1°F 15.6°C
67.8°F 19.9°C
68.5°F 20.3°C
Average pressure
29.93" 760mmHg
29.96" 761mmHg
29.98" 761mmHg
Average wind speed
10.8mph 17.4km/h
10.2mph 16.4km/h
10.2mph 16.4km/h
Average max. wind speed
11.5mph 18.5km/h
10.9mph 17.5km/h
10.9mph 17.5km/h
Average wind speed gusts
19mph 30.6km/h
17.6mph 28.3km/h
16.6mph 26.7km/h
Average humidity
82%
83%
80%
Average rainfall
0.47" 12mm
0.31" 8mm
0.31" 8mm
Average rainfall days
5.9
7.7
6.1
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average sea temperature
58.6°F 14.8°C
66.2°F 19°C
68.4°F 20.2°C
Average daylight
15h 1min
14h 5min
13h 5min
Average sunshine
9h 2min
10h 2min
10h 4min
Average sunshine days
21.8
21.3
22.8
Average UV index
5
6
6
Average cloud cover
37%
30%
28%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in July
Falmouth, MA

Average temperature in July - Falmouth, MA
  • Average high temperature in July: 73.4°F

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in July: 67.8°F

The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in July
Falmouth, MA

Average pressure in July - Falmouth, MA
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in July
Falmouth, MA

Average wind speed in July - Falmouth, MA
  • Average wind speed in July: 10.2mph

The windiest month (with the highest average wind speed) is January (15.3mph).
The calmest months (with the lowest average wind speed) are July and August (10.2mph).

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Average humidity in July
Falmouth, MA

Average humidity in July - Falmouth, MA
  • Average humidity in July: 83%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in July
Falmouth, MA

Average rainfall in July - Falmouth, MA
  • Average rainfall in July: 0.31"

The wettest month (with the highest rainfall) is October (0.71").
The driest months (with the least rainfall) are July, August and September (0.31").

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Average rainfall days in July
Falmouth, MA

Average rainfall days in July - Falmouth, MA
  • Average rainfall days in July: 7.7 days

The month with the highest number of rainy days is July (7.7 days).
The month with the least rainy days is September (4.6 days).

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Average snowfall in July
Falmouth, MA

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

The month with the highest snowfall is December (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in July
Falmouth, MA

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

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in July
Falmouth, MA

Average sea temperature in July - Falmouth, MA
  • Average sea temperature in July: 66.2°F

The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 10h and 2min

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

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Average sunshine days in July
Falmouth, MA

Average sunshine days in July - Falmouth, MA
  • Average sunshine days in July: 21.3 days

The month with the most sunshine days is September (23.9 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in July
Falmouth, MA

Average UV index in July - Falmouth, MA
  • Average UV index in July: 6

The months with the highest UV index are 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
Falmouth, MA

Average cloud cover in July - Falmouth, MA
  • Average cloud cover in July: 30

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in July
Falmouth, MA

Average visibility in July - Falmouth, MA
  • Average visibility in July: 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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Falmouth, Massachusetts, USA

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