August weather forecast
Hillsboro, NH

Share

Weather in August

August, the last month of the summer in Hillsboro, is also a moderately hot month, with an average temperature fluctuating between 77.7°F (25.4°C) and 57°F (13.9°C).

Temperature

The onset of August manifests an average high-temperature of a still moderately hot 77.7°F (25.4°C), demonstrating a minor variation from the preceding month. Hillsboro records an average nighttime low of 57°F (13.9°C) in August.

Humidity

The average relative humidity in August is 78%.

Rainfall

In Hillsboro, during August, the rain falls for 14.4 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Hillsboro, there are 147.7 rainfall days, and 30.91" (785mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Hillsboro, the average length of the day in August is 13h and 53min.
On the first day of August in Hillsboro, sunrise is at 5:38 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:23 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.1h of sunshine.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In August, a regular UV index of 6 translates into these guidelines:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.
[Resources]

Frequently asked questions

What are August temperatures in Hillsboro?

August temperatures in Hillsboro, New Hampshire, vary between a high-temperature of 77.7°F (25.4°C) and a low-temperature of 57°F (13.9°C).

What is the average humidity in August in Hillsboro?

In August, the average relative humidity in Hillsboro is 78%.

How much does it rain in Hillsboro in August?

In Hillsboro, New Hampshire, in August, during 14.4 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow in Hillsboro?

June through September are months without snowfall in Hillsboro, New Hampshire.

How many hours of daylight does Hillsboro have in August?

In Hillsboro, the average day length in August is 13h and 53min.

When are sunrise and sunset in August in Hillsboro?

On the first day of August, sunrise is at 5:38 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:23 pm EDT.

What month has the most sunshine in Hillsboro?

August has the most sunshine of the year in Hillsboro, New Hampshire, with an average of 10.1h of sunshine.

How many hours of sunshine does Hillsboro have in August?

In August, the average sunshine duration in Hillsboro, New Hampshire, is 10.1h.

When is the highest UV index in Hillsboro?

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

What is the UV index reading in August in Hillsboro?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
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 August
Hillsboro, NH

Average temperature in August - Hillsboro, NH
  • Average high temperature in August: 77.7°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in August: 57°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

[Resources]

Average pressure in August
Hillsboro, NH

Average pressure in August - Hillsboro, NH
  • Average pressure in August: 29.97"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 August
Hillsboro, NH

Average wind speed in August - Hillsboro, NH
  • Average wind speed in August: 5.1mph

The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

[Resources]

Average humidity in August
Hillsboro, NH

Average humidity in August - Hillsboro, NH
  • Average humidity in August: 78%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

[Resources]

Average rainfall in August
Hillsboro, NH

Average rainfall in August - Hillsboro, NH
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is September (2.17").

[Resources]

Average rainfall days in August
Hillsboro, NH

Average rainfall days in August - Hillsboro, NH
  • Average rainfall days in August: 14.4 days

The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is January (7.6 days).

[Resources]

Average snowfall in August
Hillsboro, NH

Average snowfall in August - Hillsboro, NH
  • Average snowfall in August: 0"

The month with the highest snowfall is February (10.12").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in August
Hillsboro, NH

Average snowfall days in August - Hillsboro, NH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in August /
Average sunshine in August
Hillsboro, NH

Average daylight in August / Average sunshine in August - Hillsboro, NH
  • Average daylight in August: 13h 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 August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

[Resources]

Average sunshine days in August
Hillsboro, NH

Average sunshine days in August - Hillsboro, NH
  • Average sunshine days in August: 15.2 days

The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is March (12.1 days).

[Resources]

Average UV index in August
Hillsboro, NH

Average UV index in August - Hillsboro, NH
  • Average UV index in August: 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, October, November and December (UV index 2).

[Resources]

Average cloud cover in August
Hillsboro, NH

Average cloud cover in August - Hillsboro, NH
  • Average cloud cover in August: 36

The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 36).

[Resources]

Average visibility in August
Hillsboro, NH

Average visibility in August - Hillsboro, NH
  • Average visibility in August: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

[Resources]

Hillsboro, New Hampshire, USA

Weather forecast for your location

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