Manchester
New Hampshire, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Manchester, NH

The colorful buildings in the city of Manchester, New Hampshire, right next to scenic trees on the seashore, a beautiful glass image in the river below
The colorful buildings in the city of Manchester, New Hampshire, right next to scenic trees on the seashore, a beautiful glass image in the river below
The last month of the summer, August, is another warm month in Manchester, New Hampshire, with average temperature fluctuating between 81°F (27.2°C) and 61°F (16.1°C).

Temperature

In Manchester, the average high-temperature is relatively the same as in July - a still moderately hot 81°F (27.2°C). The average low-temperature, in August, is 61°F (16.1°C).

Rainfall

In Manchester, during 10 rainfall days, 3.6" (92.2mm) of precipitation is typically accumulated. In Manchester, during the entire year, the rain falls for 120.5 days and collects up to 44.6" (1132.4mm) of precipitation.

Snowfall

Throughout the year, 46.7" (1186.3mm) of snow is accumulated.

Daylight

The average length of the day is 13.9h.

Sunshine

In Manchester, New Hampshire, the average sunshine is 9h.

UV index

In Manchester, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
The daily maximum UV index of 7 in August interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in Manchester?

In Manchester, New Hampshire, in August, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 61°F (16.1°C).

How much does it rain in Manchester in August?

In August, in Manchester, the rain falls for 10 days. Throughout August, 3.6" (92.2mm) of precipitation is accumulated.

How many hours of daylight does Manchester have in August?

In Manchester, New Hampshire, the average length of the day in August is 13.9h.

How long on average sun shines in August in Manchester?

The average sunshine in August in Manchester, New Hampshire, is 9h.

What is the UV index reading in August in Manchester?

In Manchester, the average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.
Average temperature in August - Manchester, NH
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in August: 60.9°F

The month with the highest average low temperature is July (62.7°F).
The coldest month (with the lowest average low temperature) is January (15.7°F).

Average rainfall in August - Manchester, NH
  • Average rainfall in August: 3.6"

The wettest month (with the highest rainfall) is March (4.3").
The driest month (with the lowest rainfall) is February (2.8").

Average rainfall days in August - Manchester, NH
  • Average rainfall days in August: 10 days

The month with the highest number of rainy days is April (11.2 days).
The month with the lowest number of rainy days is February (8 days).

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

The month with the highest snowfall is January (14.4").
Months with the lowest snowfall are May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (5.2 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - Manchester, NH
  • Average daylight in August: 13.9h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in August: 9h

The month with most sunshine is July (Average sunshine: 10h).
Months with least sunshine are November and December (Average sunshine: 4).

Average UV index in August - Manchester, NH
  • Average UV index in August: 7

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).